Climate Records

Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to impact the southeast U.S. coast and mid-Atlantic regions with flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

UPDATED: 06/21/2025 SUMMARY OF JAN RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 70 01/31/1989 | 65 1/31/1989 | 63 1/01/1897 | 69 1/31/1989 MINIMUM -24 1/14/1957 | -30 1/31/2019 | -32 1/07/1887 | -33 1/31/2019 COLD MAX NA | NA | -15 01/18/1994 | -12 01/18/1994 WARM MIN NA | NA | 47 01/26/1944 | 49 01/01/1897 | | 01/01/1897 | DAILY PP NA | NA | 3.04 01/12/1960 | 1.85 01/01/1876 DAILY SF NA | NA | NA | NA =============================================================================== WARMEST NA | NA | 1880 34.1 | 1880 37.9 COLDEST NA | NA | 1977 3.4 | 1979 6.3 WETTEST NA | NA | 1960 6.04 | 1916 4.63 DRIEST NA | NA | 1925 0.11 | 1919 0.07 SNOWIEST NA | NA | 1979 29.3 | 2019 30.2 LEAST SF NA | NA | 1928 0.7 | 1989 T | | | 1944 T =============================================================================== * * * JANUARY DATA * * * DAILY RECORD HIGHS/LOWS -------BURLINGTON----+---CEDAR RAPIDS---+------DUBUQUE-----+------MOLINE------ 01 55 2004 -16 2018 |63 1897 -24 2018 |63 1897 -21 2018 |63 1897 -19 2018 02 65 2004 -17 2018 |56 1897 -23 2018 |57 1897 -22 1879 |62 2004 -27 1979 03 62 2023+ -16 1919 |52 1998 -15 2014+|55 1880 -24 1887 |62 1998 -17 1879 04 63 1997 -17 1999 |54 1997 -21 1999+|54 1880 -23 1919 |64 1997 -25 1884 05 58 2012+ -20 1999+|59 2012 -25 1999 |54 2012 -24 1924+|57 2012 -27 1884 06 61 2008 -14 1970 |53 1961 -21 1910 |52 1933 -23 1970 |63 2008 -20 1884 07 65 2008 -17 1912 |55 2003 -27 1910 |51 1949 -32 1887 |63 2008 -26 1887 08 65 2003 -17 1970+|64 2003 -23 1910 |56 2003 -20 1986+|65 2003 -20 1875 09 62 1939 -14 1982 |60 1939 -19 1982+|58 1939 -23 1883+|60 1939 -22 1875 10 60 1911 -21 1982 |57 1928 -24 1982 |54 1928 -25 1982 |57 1975 -23 1982 -------BURLINGTON----+---CEDAR RAPIDS---+------DUBUQUE-----+------MOLINE------ 11 55 2013+ -17 1977 |53 2012 -20 1977 |52 2012 -21 1977 |56 2012+ -17 1979 12 60 1960 -21 1918+|53 2006 -28 1974 |51 2006 -26 1912 |59 1960 -26 1974 13 56 1961 -20 1912 |57 1961 -25 1912 |51 1894 -22 1916 |58 1961 -22 1916 14 64 1952 -24 1957 |55 1928 -22 2009+|53 1928 -22 1881 |61 1928 -21 1979+ 15 59 1953 -18 2009+|56 1990 -29 2009 |56 1953 -26 2009 |56 1990+ -24 1979+ 16 63 1990 -21 2009 |54 1990 -28 2009 |54 1933 -30 2009+|59 1990 -27 2009 17 63 1996 -23 1977 |58 1894 -23 1982 |60 1894 -23 1982 |62 1894 -22 1977 18 60 1951 -19 1930 |56 1996 -24 1930 |55 1880 -24 1994+|56 1996 -22 1994 19 64 1952 -21 1985 |53 1921 -24 1994+|51 1921 -27 1985 |58 2006 -23 1994 20 65 1906 -22 1985 |54 1921+ -22 1985 |59 1906 -27 1985 |63 1906 -21 1985 -------BURLINGTON----+---CEDAR RAPIDS---+------DUBUQUE-----+------MOLINE------ 21 67 1957 -22 1970 |56 1957 -23 1970 |54 1921 -28 1970 |64 1957 -21 1970 22 61 2002+ -18 1936 |58 2002 -27 1930 |55 2002 -26 1936 |59 2018 -23 1883 23 67 1909 -20 1936 |60 1909 -25 1936 |55 1909 -25 1936 |66 1909 -21 1936 24 68 1950 -09 2008+|59 1981 -23 2008 |59 1967 -19 1936+|65 1950 -16 1884 25 63 1981 -12 1940 |61 1981 -23 1894 |56 2002+ -23 1936+|62 1981 -21 1894 26 63 2002 -15 1904 |63 2002 -18 1936+|58 1944 -20 2019+|58 2002+ -22 2019 27 62 1944 -15 1955 |62 2002 -18 1904 |62 1944 -19 1904 |64 2002 -18 1963 28 59 2013 -17 1915 |54 1914 -23 1902 |53 1914 -22 1915+|57 1914 -26 1963 29 61 2013 -19 1966 |58 2013 -24 1966 |55 2013 -26 1951 |62 2013 -19 1966 30 60 2012+ -20 2019+|56 2012 -26 2019 |55 2025 -28 2019 |60 2012 -29 2019 31 70 1989 -21 2019 |65 1989 -30 2019 |60 1989 -31 2019 |69 1989 -33 2019 =============================================================================== JAN RECORD COLD HIGHS/WARM LOWS JAN RECORD PRECIPITATION ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 01 -4 2018 47 1897 | -2 2018 49 1897 01 2.58 1876 | 1.85 1876 02 -10 1879 40 1950 | -5 1979+ 42 1950 02 0.88 1966 | 1.38 1897 03 -5 1919 35 2006 | -6 1919 38 2006+ 03 1.39 1971 | 1.70 1971 04 -9 1884 36 2007 | -5 1942 39 2007+ 04 1.04 1922 | 0.94 1922 05 -14 1924 38 1946 | -11 1924 41 1946 05 1.04 1946 | 1.29 1955 06 -12 2014 37 1880 | -8 1912 40 1880 06 0.94 1885 | 1.03 1998 07 -8 1970 38 1965 | -6 1942 39 2008+ 07 0.78 1937 | 0.94 1907 08 -4 1970 40 1876 | -2 1970 44 1880 08 0.95 1937 | 0.99 1937 09 -6 1978 41 1939 | -5 1875 40 1939 09 1.34 2024 | 0.88 1946 10 -14 1886 33 1878 | -11 1886 35 1933+ 10 0.67 2020 | 0.71 2020 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 11 -8 1912 34 2013+| -3 1912 38 2007+ 11 0.87 1960 | 0.92 1960 12 -6 1912 40 1932 | -3 1912 44 1960 12 3.04 1960 | 1.43 1966 13 -8 1916 34 1960+| -10 1916 38 1960 13 1.11 1979 | 1.47 1979 14 -10 1875 34 1928 | -8 1888 36 1928 14 0.95 1960 | 0.72 1873 15 -12 1994 39 1894 | -10 1994 40 1894 15 1.08 1906 | 1.18 1873 16 -5 1977 36 2023+| -6 1977 42 2023+ 16 1.13 1980 | 0.86 2017 17 -3 1930 44 1973 | -2 1930 47 1973 17 0.46 2011 | 0.55 1900 18 -15 1994 36 1942 | -12 1994 36 1973 18 0.77 1996 | 1.42 1933 19 -6 1970 34 1914 | -1 1970 37 1914 19 1.00 1907 | 1.51 1995 20 -11 1984 44 1921 | -4 1984+ 45 1921 20 0.68 1937 | 1.83 1904 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 21 -6 1883 37 1934+| -2 1970 44 1921 21 0.80 1999 | 1.35 1874 22 -7 1883 39 1909 | 5 1883 47 1909 22 1.72 1887 | 1.39 1965 23 -8 1963 40 1909 | -9 1963 46 1909 23 1.14 1887 | 1.01 1938 24 -6 1904 36 1916 | -7 1897+ 37 1931+ 24 0.73 1938 | 0.83 1938 25 -10 1897 44 1944 | -8 1897 48 1944 25 0.80 1950 | 1.08 1898 26 -3 1936+ 47 1944 | -3 1936 46 1944 26 1.07 1996 | 1.61 1974 27 -2 2014+ 42 1944 | 0 1897 44 1944 27 1.34 1949 | 1.06 1949 28 -7 1966 35 1939 | -4 1966 41 2006 28 0.79 2006 | 1.27 2006 29 -13 1966 34 1931+| -12 1966 37 2013+ 29 1.18 1947 | 1.43 1947 30 -16 2019 40 1926 | -8 2019 47 1988 30 0.52 1937 | 0.52 2013 31 -5 1996 38 1877 | -3 1996 41 1877 31 0.65 1908 | 1.41 2025 =============================================================================== JAN RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1880 34.1 1 1977 3.4 | 1 1880 37.9 1 1979 6.3 2 1933 33.0 2 1912 3.8 | 2 2006 35.3 2 1912 7.9 3 2006 31.6 3 1979 4.4 | 3 1933 34.8 3 1977 8.2 4 1944 29.7 4 1875 6.5 | 4 1990 32.7 4 1875 8.4 5 1990 28.6 5 1893 6.6 | 5 1989 32.6 5 1893 9.1 1931 " 6 1963 7.0 | 6 2002 31.8 6 1963 9.7 7 2002 28.5 7 1888 7.1 | 7 1931 31.4 7 1940 10.1 1921 " 8 1978 7.7 | 8 1921 31.2 1918 " 9 1939 28.4 9 1918 8.1 | 9 2023 30.9 9 1888 10.4 10 1934 28.3 10 1970 8.3 | 10 1914 30.7 10 1982 10.6 | WETTEST DRIEST | WETTEST DRIEST --------------- --------------- | --------------- --------------- 1 1960 6.04 1 1925 0.11 | 1 1916 4.63 1 1919 0.07 2 1937 3.44 2 1919 0.17 | 2 1974 4.39 2 1872 0.13 3 1887 3.33 1903 " | 3 1874 4.34 3 1912 0.18 4 1876 3.20 4 1921 0.18 | 4 1965 4.08 4 1961 0.31 5 1886 3.17 5 1928 0.20 | 5 1898 3.68 1956 " 6 1929 3.13 6 1964 0.31 | 6 1897 3.58 1899 " 7 1949 2.93 7 1961 0.32 | 7 1950 3.56 7 1981 0.32 8 1906 2.72 8 1981 0.34 | 1873 " 8 1954 0.34 9 1965 2.70 9 2002 0.37 | 9 1907 3.55 1928 " 10 1996 2.65 10 2004 0.39 | 10 1937 3.52 10 1878 0.36 2003 " | | | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY --------------- --------------- | --------------- --------------- 1 1979 29.3 1 1928 0.7 | 1 2019 30.2 1 1989 T 2 2024 26.5 2 1933 1.1 | 2 2024 27.2 1944 " 3 2000 19.3 3 1925 1.2 | 3 1979 26.7 3 1973 0.4 4 1999 18.8 4 2006 2.1 | 4 1995 22.2 4 1899 0.8 5 1949 17.7 5 1973 2.2 | 5 1997 21.8 5 1922 1.0 6 1996 17.2 6 1989 2.4 | 1898 21.8 6 1919 1.2 7 1960 16.8 7 1964 2.9 | 7 1886 21.6 7 1954 1.4 8 1986 15.8 8 2001 3.5 | 8 1999 19.0 8 2016 1.5 9 2009 15.6 1955 " | 9 1930 17.8 9 1900 1.6 10 2005 15.5 10 1961 3.6 | 10 2014 17.7 10 1950 1.7 | 1971 17.7 ==================================================================================

UPDATED: 6/21/2025 SUMMARY OF FEB RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 77 02/27/2024 | 76 02/26/2024+| 72 02/27/2024+| 79 02/27/2024 MINIMUM -27 02/13/1905 | -27 02/13/1905 | -31 02/09/1875 | -28 02/03/1996 COLD MAX NA | NA | -13 02/02/1996 | -11 02/03/1996 | | 02/09/1899 02/02/1996 WARM MIN NA | NA | 50 02/20/1930 | 50 02/21/1930 | | | 02/22/1922 DAILY PP NA | NA | 1.39 02/27/1948 | 2.90 02/16/1883 DAILY SF NA | NA | NA | NA =============================================================================== WARMEST NA | NA | 1878 35.7 | 1882 39.5 COLDEST NA | NA | 1875 5.5 | 1875 9.4 WETTEST NA | NA | 1911 4.09 | 1887 4.87 DRIEST NA | NA | 1995 0.07 | 1877 0.07 SNOWIEST NA | NA | 2008 32.5 | 2014 22.3 LEAST SF NA | NA | 1987 T | 1987 T | | | 1931 T =============================================================================== SUMMARY OF DJF RECORDS =============================================================================== WARMEST NA | NA | 1877-1878 34.6 | 1877-1878 36.3 COLDEST NA | NA | 1978-1979 11.5 | 1978-1979 14.1 WETTEST NA | NA | 1959-1960 11.07 | 1875-1876 10.18 DRIEST NA | NA | 1963-1964 1.32 | 1919-1920 1.21 SNOWIEST NA | NA | 2007-2008 66.3 | 2013-2014 53.8 LEAST SF NA | NA | 2001-2002 8.3 | 1921-1922 6.0 =============================================================================== * * * FEBRUARY DATA * * * DAILY RECORD HIGHS/LOWS -------BURLINGTON----+---CEDAR RAPIDS---+-----DUBUQUE------+------MOLINE------ 01 61 1911 -14 1951 |54 1911 -21 1918 |51 1877 -21 1951 |58 1911 -19 1996 02 60 2020 -22 1905 |57 1987 -26 1996 |51 1927 -27 1996 |58 1987 -22 1996+ 03 69 1992 -26 1996 |57 1992 -26 1996 |51 1928+ -27 1996 |60 1992 -28 1996 04 62 1909 -20 1996 |56 1909 -21 1996 |58 1890 -23 1996 |63 1890 -24 1996 05 62 1946 -15 1979 |62 1946 -21 1979 |60 1946 -27 1979 |63 1946 -21 1979 06 65 1904 -16 1982 |61 1925 -18 1982 |58 1904 -18 1982 |62 1882 -16 1982 07 66 2009 -11 2014 |57 1987 -22 1905 |51 1882 -26 1875 |59 2009 -17 1977 08 68 2024 -21 1899 |66 2024 -23 1905 |60 2024 -21 1899 |67 2024 -20 1895 09 65 1943 -24 1899 |56 2009 -25 1899 |51 2009+ -31 1875 |62 2009 -25 1979 10 70 1932 -18 1899 |59 1932 -19 2014 |60 1876 -21 1899 |62 1976+ -16 2014+ -------BURLINGTON----+---CEDAR RAPIDS---+-----DUBUQUE------+------MOLINE------ 11 70 1999 -16 1899 |61 1999 -21 2014 |61 1999 -18 2014+|69 1999 -22 2014 12 70 1990 -21 1899 |64 1990 -19 1899 |67 1882 -20 1899 |67 1938+ -19 1899 13 71 1921 -27 1905 |62 1921 -27 1905 |57 1938 -25 1905 |64 1938 -25 1905 14 68 1954 -09 2020+|64 1954 -12 2020 |59 2006 -16 2020 |65 1954 -09 2020 15 74 1921 -15 1905 |73 1921 -19 1905 |68 1921 -17 1875 |73 1921 -14 1905 16 68 1921 -13 1958 |67 1921 -21 1905 |60 1921+ -21 1875 |60 1921 -14 1958 17 72 2017 -18 1958+|71 2017 -16 2021 |65 2017 -17 2021 |73 2017 -15 2021+ 18 69 2017 -14 1936 |65 1981 -18 1936 |64 2017 -18 2006 |70 2017 -14 1936 19 73 2017 -09 1936 |70 2017 -13 1978 |64 2017 -13 2006+|74 2017 -15 1979 20 74 2017 -07 1929 |61 2017 -23 1929 |61 1981 -24 1929 |73 2017 -11 1929 -------BURLINGTON----+---CEDAR RAPIDS---+-----DUBUQUE------+------MOLINE------ 21 68 1983 -07 1963 |68 1930 -10 1963 |63 1930 -13 1963 |69 2017 -08 1963 22 70 2017 -04 1963 |76 2017 -11 1929 |71 2017 -16 1936 |73 2017 -09 1978 23 66 1933 -10 1910 |64 1930 -12 2015 |60 1933 -16 1889 |65 1930 -12 1889 24 76 1930 -07 1910 |67 2002 -12 1993 |65 1930 -16 1993 |69 1930 -09 1993 25 71 2000 -09 1967 |67 2000 -13 1940 |66 2000 -15 1967 |71 2000 -10 1967 26 75 2024 -11 1950 |76 2024 -11 2015 |72 2024 -12 2014 |76 2024 -14 1963 27 77 2024 -15 2015 |72 2024 -20 2015 |72 2024 -21 2015 |79 2024 -15 2015 28 71 2017 -07 1962 |67 2017 -17 1962 |62 1895 -17 2015 |69 2017 -18 2015 29 72 1972 -01 1960 |65 1972 -07 1960 |65 2000 -04 1960+|67 1972 -04 1884 =============================================================================== FEB RECORD COLD HIGHS/WARM LOWS FEB RECORD PRECIPITATION ---------DUBUQUE-----+------MOLINE------ ------DUBUQUE---+---MOLINE--- 01 -7 1996 38 1892 | -3 1996+ 42 1892 01 1.05 2015 | 1.04 2015 02 -13 1996 34 1924+|-11 1996 36 2025+ 02 1.21 1983 | 0.74 1875 03 -10 1996 34 1991 |-11 1996 39 1890 03 0.50 1936 | 0.93 1901 04 -4 1895+ 35 1890 | -2 1875 39 1890 04 0.67 1986 | 1.62 1927 05 -2 1979 44 1938 | -2 1895 43 1938 05 0.94 1911 | 1.21 1911 06 1 2014+ 37 2005+| 4 1875 43 2005 06 0.66 1914 | 0.65 1928 07 -6 1875 39 1878 | -3 1895 40 1878 07 0.42 1881 | 0.74 2013 08 -10 1899 37 2024+| -9 1899 40 1925+ 08 1.22 1966 | 0.80 1900 09 -13 1899 42 1966 | -8 1899+ 43 1966 09 1.17 2001 | 2.07 1876 10 -4 1885 37 1886 | 0 1885 39 1903 10 0.56 1960 | 1.13 1960 ---------DUBUQUE-----+------MOLINE------ ------DUBUQUE---+---MOLINE--- 11 -5 1899 38 1882 | 1 1981 44 1882 11 0.59 1880 | 1.14 1998 12 2 2021 40 1882 | 4 1875 40 1908+ 12 0.86 1894 | 1.12 1881 13 -5 1905 38 1919 | -5 1905 38 2005 13 1.21 1919 | 0.99 1906 14 -4 2021 39 1954 | 0 2021 44 1954 14 0.58 1911 | 1.15 1990 15 0 1936+ 39 1976 | 4 2021+ 41 1954 15 0.41 1975 | 1.05 1954 16 1 1936 37 1882 | 2 1958+ 38 1998+ 16 1.33 1911 | 2.90 1883 17 0 1936 37 2011 | 2 1936 42 2011+ 17 1.21 1887 | 1.37 1887 18 -2 1936 37 1981 | 0 1936 43 1997 18 0.78 1908 | 0.97 2000 19 -5 1929 44 1930 | 7 1929+ 49 1994 19 1.30 1953 | 0.92 1898 20 8 1918+ 50 1930 | 7 1896+ 48 2017+ 20 1.13 2011 | 1.36 2018 ---------DUBUQUE-----+------MOLINE------ ------DUBUQUE---+---MOLINE--- 21 0 1963 48 1930 | 1 1963 50 1930 21 1.10 1878 | 1.27 1985 22 -2 1889 43 1930 | 7 1889 50 1922 22 1.34 1981 | 1.08 1981 23 -5 1889 43 2000 | 0 1889 45 2000 23 1.12 2019 | 1.48 2019 24 0 1967 46 1930 | 4 1967 49 1930 24 1.07 2007 | 1.82 1930 25 11 2014+ 43 2000 | 11 1950+ 46 1957 25 0.68 1929 | 1.23 2000 26 4 1888 44 1998 | 11 1934+ 48 1998 26 1.31 1912 | 1.09 2009 27 9 2015+ 41 1896 | 9 1888 41 1895+ 27 1.39 1948 | 1.78 1948 28 6 1962 42 2017+| 10 1884 49 2017 28 0.79 1987 | 0.82 1987 29 10 1980 41 2000 | 12 1980 44 2000 29 0.22 2012 | 0.29 1976 =============================================================================== FEB RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 2024 36.2 1 1875 5.5 | 1 2024 39.5 1 1875 9.4 2 1878 35.7 2 1936 7.8 | 1882 " 2 1936 11.6 1998 35.5 3 2014 10.0 | 3 2017 38.6 3 1979 13.2 4 1882 " 4 2015 10.5 | 4 1998 37.7 4 1978 14.1 5 1877 35.3 5 1979 10.8 | 5 1930 37.2 5 2015 14.5 6 1931 34.3 6 1978 11.4 | 6 1877 37.0 1905 " 7 2017 33.9 7 1885 12.8 | 7 1931 36.7 7 2014 14.6 8 1930 33.7 8 2007 13.1 | 1878 " 8 1895 15.1 9 1954 33.6 9 1905 13.4 | 9 1954 36.3 9 1901 15.7 10 1987 31.9 10 1899 13.7 | 10 1976 35.2 10 1899 16.3 | WETTEST DRIEST | WETTEST DRIEST --------------- --------------- | --------------- --------------- 1 1911 4.09 1 1995 0.07 | 1 1887 4.87 1 1877 0.07 2 2008 3.81/3.79 2 1958 0.17 | 2 1883 4.42 2 1872 0.10 3 1881 3.75 1917 " | 3 1881 4.14 3 1931 0.14 4 1953 3.61 4 1968 0.23 | 4 1911 4.10 4 1933 0.17 5 1887 3.56 5 1931 0.25 | 5 1876 3.63 5 1920 0.19 6 2001 3.12 6 1877 0.26 | 6 1997 3.55 6 1969 0.21 7 1971 2.96 7 1964 0.28 | 7 2001 3.33 7 1917 0.22 8 1998 2.93 8 1921 0.29 | 8 2000 3.19 1907 " 9 1919 2.87 9 1946 0.34 | 9 1998 3.13 9 1947 0.23 10 1883 2.60 10 2006 0.35 | 10 2008 3.12 10 2024 0.26 | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY --------------- --------------- | --------------- --------------- 1 2008 32.5 1 2024 T | 1 2014 22.3 1 1987 T 2 1975 25.1 1987 " | 2 2011 20.7 1931 " 3 1962 24.0 3 1998 0.2 | 1994 " 3 1976 0.1 4 1994 23.7 4 1996 0.4 | 4 2015 19.3 1892 " 5 2007 20.7 5 1995 0.5 | 1975 " 5 1998 0.2 6 1997 19.3 6 1984 0.9 | 1960 " 6 1921 0.5 7 2011 18.4 7 1961 1.0 | 7 2008 18.1 7 2024 0.6 8 1960 18.0 8 1958 1.2 | 8 1901 17.7 1930 " 9 2013 16.1 9 1977 1.3 | 9 2007 16.6 1915 " 10 1983 15.6 10 2017 1.4 | 10 2010 16.4 10 2006 0.7 1988 " 1957 " =============================================================================== DJF RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1877-1878 34.6 1 1978-1979 11.5 | 1 1877-1878 36.3 1 1978-1979 14.1 2 1881-1882 31.0 2 2013-2014 11.6 | 2 1881-1882 35.0 2 1874-1875 15.0 3 1931-1932 30.8 3 1977-1978 12.2 | 3 2023-2024 33.6 3 1892-1893 15.6 4 2023-2024 30.6 4 1874-1875 12.5 | 4 1931-1932 33.2 4 1977-1978 16.0 5 1930-1931 29.5 5 1892-1893 13.2 | 5 1889-1890 32.5 5 1935-1936 16.4 1889-1890 " 6 1935-1936 13.8 | 6 2001-2002 32.2 6 2013-2014 16.6 7 2001-2002 29.2 7 1976-1977 13.9 | 7 1879-1880* 32.1 7 1962-1963 16.9 8 1875-1876 29.1 8 1962-1963 14.7 | 8 1930-1931 32.0 8 1903-1904 18.0 9 1997-1998 28.7 9 1884-1885 15.2 | 9 2015-2016 31.5 9 1976-1977 18.2 10 1920-1921 28.5 10 1985-1986 15.4 | 1991-1992 31.5 10 1917-1918 18.4 11 1918-1919 28.2 1958-1959 " | 1875-1876 31.5 1903-1904 " | 12 2016-2017 31.4 | 2011-2012 " | * 3 missing days | | WETTEST DRIEST | WETTEST DRIEST --------------- --------------- | --------------- --------------- 1 1959-1960 11.07 1 1963-1964 1.32 | 1 1875-1876 10.18 1 1919-1920 1.21 2 2007-2008 9.63 2 1920-1921 1.43 | 2 1973-1974 9.70 2 2002-2003 1.59 3 1886-1887 7.92 3 1922-1923 1.44 | 3 1873-1874 8.92 3 1930-1931 1.69 4 1936-1937 7.76 4 1898-1899 1.51 | 4 1959-1960 8.63 4 1976-1977 1.83 5 1885-1886 7.67 5 2002-2003 1.54 | 5 1949-1950 8.23 1962-1963 " 6 1875-1876 7.44 6 1919-1920 1.73 | 6 2012-2013 8.07 6 1876-1877 1.84 7 1965-1966 7.37 7 1876-1877 1.74 | 7 1942-1943 8.01 7 1920-1921 1.97 8 1982-1983 7.01 8 1916-1917 1.97 | 8 2007-2008 7.99 1874-1875 " 9 1880-1881 6.87 9 1903-1904 2.09 | 9 2000-2001 7.69 9 1939-1940 2.09 10 1952-1953 6.64 10 1926-1927 2.24 | 10 1936-1937 7.63 10 1913-1914 2.17 | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY --------------- --------------- | --------------- --------------- 1 2007-2008 66.3 1 2001-2002 8.3 | 1 2013-2014 53.8 1 1921-1922 6.0 2 2010-2011 57.2 2 1967-1968 10.1 | 2 1978-1979 52.9 2 1898-1899 6.8 3 1978-1979 55.0 3 1986-1987 12.0 | 3 2007-2008 48.7 3 1927-1928 7.8 4 1961-1962 54.4 4 1960-1961 12.5 | 4 2010-2011 46.3 4 1889-1890 8.1 5 2000-2001 48.9 5 2002-2003 13.3 | 5 2009-2010 44.0 5 1932-1933 8.4 6 2013-2014 47.8 6 1963-1964 14.8 | 6 1996-1997 43.6 6 1947-1948 8.6 7 1985-1986 47.3 7 1988-1989 15.1 | 7 1961-1962 40.6 7 1930-1931 8.9 8 1977-1978 46.7 8 1981-1982 15.9 | 8 1897-1898 40.3 8 2002-2003 9.2 9 1996-1997 46.4 9 1976-1977 16.6 | 9 2000-2001 39.5 9 1986-1987 9.3 10 2008-2009 46.2 1952-1953 " | 10 1993-1994 39.3 10 1926-1927 10.3 | 1887-1888 " 1890-1891 " ================================================================================

UPDATED: 6/21/2025 SUMMARY OF MAR RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 88 03/23/1910 | 88 03/29/1986 | 86 03/29/1895 | 88 03/29/1986 03/21/1907 | | | MINIMUM -13 03/05/1960 | -20 03/01/1962 | -20 03/01/1962 | -19 03/06/1960 COLD MAX NA | NA | 3 03/02/2014 | 7 03/02/2014 WARM MIN NA | NA | 61 03/26/1907 | 63 03/19/1921 | | | 03/26/1907 DAILY PP NA | NA | 2.54 03/30/1998 | 2.16 03/22/1993 DAILY SF NA | NA | NA | NA =============================================================================== WARMEST NA | NA | 50.2 2012 | 53.3 2012 COLDEST NA | NA | 20.0 1960 | 19.9 1960 WETTEST NA | NA | 6.50 1959 | 7.43 1973 DRIEST NA | NA | 0.14 1910 | 0.17 1885 SNOWIEST NA | NA | 30.2 1959 | 24.8 1923 LEAST SF NA | NA | T 1968 | T 1994+ =============================================================================== * * * MARCH DATA * * * DAILY RECORD HIGHS/LOWS -------BURLINGTON----+---CEDAR RAPIDS---+-----DUBUQUE------+------MOLINE------ 01 75 1992 -11 1962 |71 1992 -20 1962 |63 1992+ -20 1962 |72 1992 -13 1962 02 73 1992 -4 2014+|73 1923 -13 1912 |66 1923 -12 1890 |71 1992 -9 1913 03 80 2024 -8 2014 |80 2024 -15 2014 |76 2024 -11 2014 |79 2024 -12 2014 04 77 2024 -6 2002+|73 1921 -12 2002 |67 1983 -13 2002 |77 2024 -9 2002 05 73 1910 -13 1960 |72 1921 -12 1960 |69 1921 -12 2015 |69 2009+ -13 1960 06 72 2005+ -8 1960 |73 2005 -8 1960 |69 2000 -11 1890 |73 2005 -19 1960 07 79 2000 -5 1943 |78 2000 -8 1960 |77 2000 -4 1899 |78 2000 -11 1960 08 77 2000 -4 1996 |76 1977 -10 1943 |74 2000 -6 1996+|79 2000 -13 1943 09 74 1986 3 2003 |68 2021 -3 2003+|65 1977 -4 1975 |71 2021+ 0 1877 10 76 1955 0 1934 |75 2025 -5 1984 |73 1894 -5 2003 |74 1955+ -2 1934 -------BURLINGTON----+---CEDAR RAPIDS---+-----DUBUQUE------+------MOLINE------ 11 79 2006+ -2 1948 |75 2024+ -12 1948 |71 2024 -5 1948+|77 1972 0 1948 12 80 1990 -2 1948 |78 1990 -7 1948 |75 1990 -4 1948 |80 1990 -6 1960 13 77 2007+ 7 1993 |74 2007 -5 1975 |71 2007 -4 1975 |77 2007 5 1926+ 14 82 2025 4 1993 |81 2025 -6 1960 |79 2025 -1 1891 |83 2025 -2 1960 15 81 2012 9 1951 |79 2012 2 2017 |78 2012 2 1979+|81 2012 3 1890 16 82 1945 2 1951 |82 2012 -3 1900 |78 2012+ -4 1900 |82 2012+ 0 1900 17 82 2012 0 1906 |82 2012 -2 1902 |81 2012 -3 1941+|82 2012 0 1902 18 82 2012 4 1923 |82 2012 2 1941 |80 2012 -1 1923 |83 2012 0 1923 19 81 2012 -5 1923 |81 2012 -10 1923 |77 1921 -7 1923 |79 2012 -10 1923 20 80 2012 4 1906 |77 2012 6 1965+|80 2012 3 1965 |82 2012 9 1965+ -------BURLINGTON----+---CEDAR RAPIDS---+-----DUBUQUE------+------MOLINE------ 21 88 1907 4 1960 |85 1938+ 1 1960 |81 1938 -1 1885 |82 1938+ 2 1960 22 81 1939 10 1913+|76 1994 1 1912 |73 1938+ -5 1888 |78 1910 0 1888 23 88 1910 8 1960 |87 1910 1 1912 |84 1910 4 1974+|84 1910 6 1960 24 82 1910 4 1974 |80 1939 -4 1974 |80 1939 -3 1974 |81 2017 2 1974 25 84 1907 5 1960 |84 1907 -1 1960 |80 1907 4 1960 |81 1907 1 1960 26 84 1991 3 1955 |85 1907 5 1955 |82 1907 5 1955 |84 1991 9 1955 27 84 1910 15 1964 |81 1945 3 1964 |80 1945+ 6 1964+|83 1945 13 1964 28 84 1910 13 1970 |82 2025 9 1970 |80 2025 3 1970 |81 1910 11 1970 29 88 1986 10 1969 |88 1986 9 1969+|86 1895 2 1887 |88 1986 9 1887 30 84 1986 11 1969 |82 1943 6 1964 |81 1943 4 1964+|82 1986+ 12 1969 31 82 1986 12 1923 |81 1986 9 1923 |79 1986 8 1969 |83 1986 10 1969 =============================================================================== MAR RECORD COLD HIGHS/WARM LOWS MAR RECORD PRECIPITATION ---------DUBUQUE-----+------MOLINE------ -----DUBUQUE--+--MOLINE--- 01 8 1962 38 2004+| 10 1962 43 2004+ 01 1.12 1932 | 1.01 1991 02 3 2014 44 1923 | 7 2014 45 1923 02 0.93 1970 | 0.70 1993 03 12 2014 44 2024+| 14 1893 51 1983 03 0.87 1970 | 1.58 1985 04 5 2019 49 1983+| 14 1960 55 1983 04 2.08 1976 | 1.79 1976 05 8 1901 54 1983 | 11 1901+ 55 1983 05 2.30 1959 | 1.08 2018 06 6 1899 50 1992 | 9 1899 52 2017+ 06 0.87 1973 | 2.07 1973 07 11 1932 50 2000 | 11 1943 53 2016 07 0.72 2009 | 1.44 2009 08 8 1932 53 2000 | 10 1932 58 2016 08 1.47 1961 | 1.58 2009 09 9 2003 55 1878 | 14 2003 54 1878 09 0.99 2013 | 1.06 2020 10 11 1979+ 49 1878 | 14 1948 54 2021 10 0.90 1973 | 1.92 1990 ---------DUBUQUE-----+------MOLINE------ -----DUBUQUE -+--MOLINE--- 11 14 1948 47 1977 | 16 1948 59 1990 11 1.17 1962 | 1.59 1927 12 12 1906 55 1990 | 19 1906 59 1990 12 1.60 1991 | 2.01 1991 13 18 1993 53 1990 | 21 1891 61 1990 13 1.62 1918 | 1.32 2010 14 19 1891 55 1990 | 18 1891 58 1990 14 1.62 1990 | 1.99 1944 15 17 1900 54 2012 | 19 1900 57 2012 15 2.15 1943 | 1.80 1919 16 6 1900 52 2012 | 14 1900 52 2012 16 1.23 1876 | 1.21 1919 17 12 1941 56 2012 | 14 1902 56 2012 17 1.15 1965 | 1.25 1998 18 13 1965 54 2012 | 19 1965 60 1903 18 0.85 1986 | 1.14 1933 19 15 1923 60 2012 | 22 1965+ 63 1921 19 1.03 1962 | 1.84 1948 20 16 1951 57 2012 | 22 1951 54 2012 20 2.05 1886 | 1.42 1886 ---------DUBUQUE-----+------MOLINE------ -----DUBUQUE--+---MOLINE--- 21 19 1965 56 2012 | 22 1951 55 2012 21 1.39 1966 | 0.74 2007 22 16 1888 60 2012 | 22 1888 58 2012 22 1.05 1993+| 2.16 1993 23 19 1974 54 2012 | 19 1974 52 1936 23 0.88 1913 | 0.82 2007+ 24 16 1974+ 55 1928 | 18 1965 60 2007 24 1.16 2004 | 1.59 1954 25 18 1960+ 56 2007 | 19 1894 60 2007 25 2.23 1945 | 1.92 1945 26 20 1996+ 61 1907 | 21 1955 63 1907 26 1.54 1916 | 1.35 1916 27 26 1887 57 1910 | 31 1904 61 1989 27 1.50 1880 | 1.52 1880 28 22 1923 55 1905 | 26 1887 53 1879 28 1.65 1977 | 1.69 1914 29 23 1954 60 1910 | 27 1969+ 60 2025+ 29 0.99 1974 | 1.01 1951 30 25 1975+ 58 1943 | 27 1924+ 61 1998 30 2.54 1998 | 1.21 2017 31 22 1923 50 2010+| 28 1923 58 1967 31 1.25 1877 | 1.95 1973 =============================================================================== MAR RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 2012 50.2 1 1960 20.0 | 1 2012 53.3 1 1960 19.9 2 1910 47.7 2 1965 24.1 | 2 1910 49.8 2 1965 26.9 3 1878 47.1 3 1975 24.5 | 3 1945 48.8 3 1912 27.2 4 1945 47.0 4 1912 25.1 | 4 1878 48.2 4 1932 28.4 5 1946 45.9 5 1899 25.8 | 5 1946 48.0 5 1877 28.7 6 1938 42.8 6 1888 26.3 | 6 1973 45.4 6 1891 28.8 7 2000 42.3 7 1951 27.1 | 7 2024 45.3 1881 28.8 1973 42.3 1932 27.1 | 8 1938 44.8 8 1899 29.0 9 1918 41.6 1906 27.1 | 1921 44.8 9 1906 29.2 10 1977 41.5 10 1877 27.3 | 1918 44.8 10 1890 30.0 | | WETTEST DRIEST | WETTEST DRIEST --------------- --------------- | --------------- --------------- 1 1959 6.50 1 1910 0.14 | 1 1973 7.43 1 1885 0.17 2 1961 5.96 2 1889 0.30 | 2 1990 6.68 2 1958 0.31 3 1991 5.86 3 1883 0.32 | 3 1991 6.31 3 1910 0.39 4 1966 5.50 4 1958 0.36 | 4 1944 5.27 4 1956 0.54 5 1998 5.43 5 1981 0.41 | 5 1951 5.06 5 1994 0.64 6 1977 4.82 1885 0.41 | 6 1923 5.05 6 1918 0.66 7 2004 4.79 7 1994 0.48 | 7 1998 5.01 7 1981 0.69 8 1933 4.76 8 1911 0.52 | 8 1993 4.87 8 1883 0.73 9 1973 4.72 9 1940 0.72 | 9 1898 4.85 9 1887 0.77 10 1990 4.63 10 1896 0.76 | 10 1985 4.71 10 1978 0.78 | | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY --------------- --------------- | --------------- --------------- 1 1959 30.2 1 1968 T | 1 1923 24.8 1 1994 T 2 1891 25.0 2 1990 0.5 | 2 1912 22.1 1990 T 3 1886 23.8 1949 0.5 | 3 1972 19.8 1981 T 4 1951 23.0 | 4 1886 18.5 1921 T 5 1965 19.5 | 5 1951 17.0 1919 T 6 1961 18.6 | 6 1926 16.8 1918 T 7 1983 18.4 | 7 1965 16.2 1910 T 8 1952 18.3 | 8 1952 15.2 1908 T 9 1975 17.2 | 9 1960 14.7 9 2024 0.1 10 1972 16.4 | 10 1964 13.9 1997 0.1 | 1959 13.9 1987 0.1 1911 0.1 1902 0.1 ================================================================================ ALL-TIME PEAK WIND GUST AT MOLINE: 107 MPH / MARCH 12...2006.

UPDATED: 6/21/2025 SUMMARY OF APR RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 93 04/10/1930 | 95 04/22/1980 | 93 04/22/1980 | 93 04/25/1986 MINIMUM 11 04/06/1982 | 1 04/06/1982 | 10 04/06/1982 | 7 04/07/1982 COLD MAX NA | NA | 23 04/03/1954 | 27 04/01/1881 WARM MIN NA | NA | 68 04/17/1896 | 70 04/20/1985 | | | 04/05/1929 DAILY PP NA | NA | 2.77 04/13/2014 | 4.26 04/21/1973 DAILY SF NA | NA | NA | NA =============================================================================== WARMEST NA | NA | 1915 57.7 | 2010 58.5 | | | 1915 58.5 COLDEST NA | NA | 2018 38.8 | 1874 41.4 WETTEST NA | NA | 2013 8.54 | 1973 11.30 DRIEST NA | NA | 1915 0.38 | 1895 0.32 SNOWIEST NA | NA | 1973 19.8 | 1997 13.3 LEAST SF NA | NA | NA | NA =============================================================================== * * * APRIL DATA * * * DAILY RECORD HIGHS/LOWS -------BURLINGTON----+---CEDAR RAPIDS---+------DUBUQUE-----+------MOLINE------ 01 86 2012 16 2018 |86 2003 14 1926 |82 1946 16 2018 |85 2010 17 1899 02 86 1981 14 2018 |84 1981 15 2018+|81 1981 14 2018+|85 1981 14 1886 03 85 2011 15 1975+|80 2011+ 11 1975 |80 1893 12 1954 |83 2011 17 1987+ 04 86 2023+ 15 1975 |86 1929 10 1975 |83 1929 13 1995 |83 1929 9 1975 05 83 1929 13 1920 |83 1929 11 1982 |80 1929 13 1982 |81 2021+ 16 1881 06 84 1929 11 1982 |87 1991 1 1982 |84 1991 10 1982 |85 1991 9 1982 07 84 1999 16 2018 |84 1925 12 1982 |80 1893 11 2018+|86 1893 7 1982 08 84 2001+ 17 1972 |86 1931 15 2018+|84 1931 12 1972 |86 1931 18 2018 09 84 2001 18 1997 |81 1905 13 1997 |82 1887 13 2003 |82 1905 19 1997 10 93 1930 20 1960 |93 1930 20 1960+|92 1930 18 1989 |91 1930 21 1960 -------BURLINGTON----+---CEDAR RAPIDS---+------DUBUQUE-----+------MOLINE------ 11 91 1930 22 1973 |89 1930 19 1982 |81 1977+ 11 1973 |91 1930 20 1982 12 89 1930 20 1957 |87 1925 18 1940 |82 2023+ 19 1957 |87 1971 21 1940+ 13 87 2006 18 1950 |86 2006 19 1950 |83 1887 20 1997+|86 2006 21 1950 14 88 2006 23 1997+|88 2003 20 2020+|85 2003 21 1928 |87 2003 22 1957 15 87 2002 23 1943+|94 1896 15 2020 |86 1896 21 2020+|89 2003 22 1928 16 88 2004 22 1949 |94 1896 17 1949 |85 1896 14 1875 |90 2002 19 1875 17 85 1977+ 23 1907 |93 1896 22 1997+|84 1977+ 16 1875 |87 2004 18 1875 18 89 2002 24 1983 |90 1994 20 1983 |86 1985 21 1983 |91 2002 23 1990+ 19 85 1915 26 1988+|86 1915 19 2022 |83 1985+ 22 1988 |86 1985 23 1983 20 89 1987 28 1956+|89 1987 25 2021+|86 1987 26 1956 |90 1987+ 24 2018 -------BURLINGTON----+---CEDAR RAPIDS---+------DUBUQUE-----+------MOLINE------ 21 88 1902 27 1904 |90 1980+ 20 2021 |85 1980+ 24 2024 |87 1985 27 2021+ 22 89 1980 27 1986 |95 1980 22 1986 |93 1980 25 1986 |92 1980 27 2021 23 84 1960+ 24 1910 |90 1925 20 1927 |85 1925 22 1910 |86 1960 22 1910 24 85 1954+ 22 1956 |87 2009+ 24 1910 |85 1939 22 1956 |86 1939 23 1956+ 25 92 1986 29 1910 |89 1896 20 1934 |86 1986 28 1887 |93 1986 22 1934 26 92 1986 30 2022 |86 1986+ 22 2022 |83 1990+ 27 2023 |89 1986 29 2023+ 27 87 1956 30 1953 |90 1981+ 24 1933 |82 1981+ 27 2019 |87 2021 27 1933 28 88 1970 31 2019 |91 1970 24 1928 |87 1915 23 2019 |89 1970 29 1992 29 90 1910 26 1958 |91 1952 24 1958 |89 1952 23 1958 |91 1970+ 27 2018+ 30 89 2007 30 1908 |90 1952+ 27 2005 |89 1952 28 1956+|89 2007+ 31 1971+ =============================================================================== APR RECORD COLD HIGHS/WARM LOWS APR RECORD PRECIPITATION -------DUBUQUE------+------MOLINE------ -----DUBUQUE---+---MOLINE--- 01 27 1899 53 2010+| 27 1881 60 1946 01 1.72 1959 | 1.38 1983+ 02 27 1975 56 1963 | 29 1886 60 1963 02 2.20 1964 | 1.72 1983 03 23 1954 58 1999 | 29 1975 60 1999 03 1.27 1968 | 2.18 1999 04 29 2018 63 1929 | 32 1920 62 1929 04 1.80 1892 | 2.21 1947 05 32 1982 65 1929 | 33 1982+ 70 1929 05 2.11 1958 | 1.64 1964 06 31 1939+ 60 1929 | 28 1982 67 1929 06 1.01 2010 | 1.38 1938 07 29 1982 57 1991 | 30 1982 60 1991 07 0.87 2002 | 0.96 2002 08 29 1997+ 55 1991 | 30 1982 59 1991 08 1.28 1999 | 1.13 2008 09 31 1973 56 2017 | 33 1982 62 2017 09 2.70 2013 | 1.68 1973 10 31 1973 57 1945 | 37 1973 57 2011+ 10 1.64 1947 | 2.55 2021 -------DUBUQUE------+------MOLINE------ -----DUBUQUE---+---MOLINE--- 11 32 1997 57 1887 | 33 1997+ 59 2005+ 11 1.11 2007 | 1.16 1876 12 32 1997 61 1890 | 35 1997 63 1896 12 2.10 1889 | 3.04 1876 13 34 1952+ 65 1941 | 38 1943+ 62 1941 13 2.77 2014 | 1.35 1974 14 31 1928 61 1883 | 34 1980 63 2024 14 1.19 1968 | 1.35 1960 15 29 2018 60 2017+| 34 1949 65 2003 15 2.25 2017 | 1.42 1999 16 31 1921+ 67 1896 | 30 1875 68 2002 16 1.84 1972 | 1.71 1972 17 33 1910 68 1896 | 34 1875 69 1976 17 2.65 2013 | 2.62 2013 18 32 2018 61 1985 | 36 2018 66 1985 18 2.22 1882 | 1.97 1909 19 36 2011 64 1985 | 39 2013+ 68 1985 19 1.98 1877 | 2.01 1929 20 39 2024+ 63 1985 | 36 1918 70 1985 20 1.56 1893 | 2.37 1973 -------DUBUQUE------+------MOLINE------ -----DUBUQUE---+---MOLINE--- 21 36 1918+ 62 1985 | 36 1893 67 1985 21 1.20 1972 | 4.26 1973 22 36 1893 62 1985 | 35 1893 65 1985+ 22 2.05 1999 | 1.26 1999 23 30 1910 63 1913 | 32 1910 66 1960 23 2.00 1950 | 1.26 1989 24 36 1968 62 1915 | 40 1910 68 1960 24 1.89 1965 | 2.26 1965 25 41 1965+ 63 1948 | 43 1937 65 1948 25 2.15 2009 | 1.11 1939 26 39 1950 61 1915 | 44 1953 64 1990 26 1.35 1954 | 2.47 1943 27 39 1950 62 1899+| 43 1908 65 2021 27 2.38 1942 | 2.48 1959 28 40 2008 62 1896 | 39 1950 67 1896 28 2.60 1896 | 0.74 1962 29 35 1956 61 1970+| 40 1877 65 1970 29 1.60 1984 | 2.52 2019 30 39 1994 67 1942 | 42 1909+ 63 1970+ 30 2.29 1899 | 1.52 2003 =============================================================================== APR RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1915 57.7 1 2018 38.8 | 1 2010, 58.5 1 1874 41.4 2 1942 55.1 2 1975 41.2 | 1915 " 2 1907 43.0 3 1925 54.9 3 1907 41.6 | 3 1985, 57.1 3 2018 43.1 4 1896 54.8 4 1950 41.7 | 1896 " 4 1950 43.6 5 1941 54.7 1961 41.7 | 5 1955 57.0 5 1920 44.0 6 1948 54.5 6 1920 42.8 | 6 1925 56.7 6 1961 44.3 7 1977 54.1 1953 42.8 | 7 1977 56.6 7 1881 44.6 8 1985 54.0 8 1982 43.2 | 8 2001 56.4 8 1982 44.7 1946 9 1983 43.4 | 9 2006 55.7 9 1926 44.8 10 1895 53.9 10 1909 43.5 | 10 1948, 55.3 10 1975 45.1 | 1942 " | WETTEST DRIEST | WETTEST DRIEST --------------- -------------- | --------------- -------------- 1 2013 8.54 1 1915 0.38 | 1 1973 11.30 1 1895 0.32 2 1896 7.80 2 1895 0.49 | 2 1965 7.92 2 1923 0.59 3 1964 7.69 3 1985 0.81 | 3 1947 7.36 3 1915 0.62 4 1968 7.47 4 1936 0.84 | 4 2013 7.21 4 1946 0.68 5 1909 7.40 5 1946 0.85 | 5 1999 6.97 5 1884 0.77 6 1954 7.23 6 1901 1.01 | 6 1964 6.37 6 1890 0.86 7 1965 6.92 7 1934 1.03 | 7 1995 6.19 7 1901 0.88 8 1947 6.84 8 1902 1.11 | 8 1909 6.02 8 1914 0.89 9 1999 6.65* 9 1924 1.12 | 9 1950 5.87 9 1942 0.92 10 2006 6.60 10 1952 1.14 | 10 1943 5.61 10 2018 0.95 | SNOWIEST | SNOWIEST ---------------- | ---------------- 1 1973 19.8 | 1 1997 13.3 2 1983 12.3 | 2 1982 13.0 3 1993 11.3 | 3 1980 9.5 4 1975 8.7 | 4 1970 8.3 5 2018 8.6 | 5 1912 7.8 6 1982 8.0 | 6 1957 6.5 7 1962 7.8 | 7 1975 6.2 8 2007 6.6 | 8 1911 6.0 9 1994 6.0 | 9 1936 5.3 10 1949 5.8 | 10 1896 4.5 | ===================================================================================== * DBQ PCPN FOR APRIL 1999 MAY BE 6.64 INCHES.

UPDATED: 6/21/2025 SUMMARY OF MAY RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 103 05/31/1934 | 104 05/31/1934 | 104 05/31/1934 | 104 05/31/1934 MINIMUM 26 05/04/1907 | 24 05/07/1925 | 21 05/03/2005 | 25 05/03/2005 COLD MAX NA | NA | 36 05/01/1909 | 38 05/01/1909 WARM MIN NA | NA | 75 05/28/1874 | 74 05/29/2006 | | | 05/26/1914 DAILY PP NA | NA | 4.37 05/06/1960 | 3.23 05/13/1970 DAILY SF NA | NA | NA | NA =============================================================================== WARMEST NA | NA | 1934 69.0 | 2018 69.8 COLDEST NA | NA | 1907 52.7 | 1907 54.8 WETTEST NA | NA | 1962 9.43 | 1974 11.43 DRIEST NA | NA | 1992 0.69 | 1992 0.31 SNOWIEST NA | NA | 1966 3.1 | 1935 0.3 LEAST SF NA | NA | NA | NA =============================================================================== SUMMARY OF MAM RECORDS =============================================================================== WARMEST NA | NA | 1977 53.5 | 1977 56.4 COLDEST NA | NA | 1960 41.7 | 1960 43.9 WETTEST NA | NA | 1959 19.28 | 1973 25.69 DRIEST NA | NA | 1936 3.08 | 1934 3.09 SNOWIEST NA | NA | 1959 32.9 | 1912 29.9 LEAST SF NA | NA | 1968 0.2 | 2011* 0.0 =============================================================================== * TIED WITH 1990, 1981, 1919 * * * MAY DATA * * * DAILY RECORD HIGHS/LOWS ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 01 88 1952+ 31 1909+| 89 1901 27 1950 | 88 1952 28 1994+| 90 1952+ 30 1909 02 91 1901 29 1908 | 91 1901 26 1961+| 88 1901 24 2005 | 89 1968 28 2005 03 90 1928 28 2005 | 90 1949 25 2005 | 88 1949+ 21 2005 | 89 1949+ 25 2005 04 90 1952+ 26 1907 | 92 1918 27 2011+| 89 1918 25 2011 | 93 1952 28 2005 05 92 1949 32 1944+| 94 1924 29 1929 | 92 1949 27 1958 | 93 1949 34 1944 06 93 1934 32 1989 |100 1896 30 1989 | 95 1934 28 1989+| 94 1934 30 1992 07 88 1934 30 1931 | 98 1896 24 1925 | 91 1896+ 26 1885 | 92 2023 29 1989+ 08 90 1963 35 1960+| 91 1963 32 2021+| 91 1896 30 2020 | 92 1963 32 2021+ 09 92 1963 30 2020 | 93 1963 26 2020+| 94 1934 25 2020 | 95 1934 28 2020 10 92 2011 30 1966 | 92 1896 26 1966 | 92 1896 24 1966 | 93 2022+ 26 1966 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 11 91 2022+ 33 1907 | 91 2022 30 1925 | 92 2022 33 1966+| 95 2022 33 1907 12 94 1956 34 1960 | 93 2022 28 1928 | 93 2022 32 1969 | 95 2022 31 2020 13 94 1915 34 1996 | 92 1915 34 2013+| 90 1940 30 1888 | 94 2022 31 1971 14 92 1932 34 1920 | 94 2013 30 1895 | 92 1932 30 1895 | 93 2007 34 1980+ 15 93 1944 36 1997 | 94 1941 32 1926 | 90 1944 32 1997 | 93 2025 35 1973 16 92 1911 34 1997+| 90 2019+ 31 1997 | 89 1936+ 31 1997 | 91 2019 31 1997 17 91 1911 36 2011+| 91 1971+ 32 1930 | 91 1934 32 2009 | 91 1987 35 2014+ 18 92 1998 35 2002 | 92 1964+ 32 1945 | 94 1934 35 2002+| 92 1998+ 33 2002 19 93 1998 38 2002 | 93 1975 33 1929 | 93 1934 34 2002+| 93 1962+ 36 2002+ 20 94 1987 35 1954 | 93 1975 29 1924 | 93 1934 33 1924 | 92 1934 32 1954 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 21 92 1934 34 2002 | 95 1921 32 1931 | 91 1934 32 1883 | 93 1934 32 2002 22 94 1925 35 1963 |102 1925 31 1963 | 94 1925 33 1882 | 94 1925 34 1883 23 92 1939 34 1963 | 90 1972+ 31 1931 | 91 1921 31 1963 | 93 1975 33 1963 24 95 1939 38 1925 | 99 1921 34 1925 | 92 1880 35 1925 | 95 2010 36 1925 25 95 1911 35 1925 | 95 1911 28 1925 | 91 1911+ 34 1925 | 94 1967 35 1979 26 96 1926 37 1901 | 96 1978+ 29 1925 | 91 1914 33 1961 | 95 1985 38 1992+ 27 98 2018 36 1907 | 97 2018 35 1992+| 95 2018 35 1961 | 97 2018 34 1992 28 96 2018 37 1947 | 95 2018+ 33 1928 | 93 1874 36 1947 | 99 2018 36 1992 29 98 1934 36 1947 | 99 1934 34 1947 | 97 1934 31 1965 | 99 1934 34 1965 30 100 1934 39 1947 | 96 1934 33 1924 | 94 1934 37 1965 | 98 1934 37 2021 31 103 1934 44 1915 |104 1934 34 1897 |104 1934 36 1897 |104 1934 40 1897+ =============================================================================== MAY RECORD COLD HIGHS/WARM LOWS MAY RECORD PRECIPITATION ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 01 36 1909 64 1901 | 38 1909 65 1992 01 1.44 1973 | 2.08 1973 02 42 2005+ 64 1905 | 44 1921 65 2001+ 02 1.45 1915 | 0.90 1937 03 37 1954 68 1928 | 40 1935 69 1959 03 1.90 2013 | 2.05 1919 04 47 1890 71 1949 | 48 1917+ 68 1949 04 1.33 1913 | 2.13 1990 05 40 1890 69 1949 | 40 1944 71 1949 05 1.30 1913 | 1.39 1882 06 37 1989 66 1936+| 39 1931 68 1965 06 4.37 1960 | 2.19 1876 07 43 1960 69 1936 | 45 1885 69 1936 07 1.74 1900 | 1.81 1974 08 41 1960 66 1936+| 43 1960 70 1963 08 3.67 1927 | 1.13 1995 09 40 1960 67 1934 | 43 1960 72 1963 09 2.14 1948 | 2.39 1996 10 45 1951 69 1911 | 47 1960 73 2022 10 2.60 1890 | 1.72 1951 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 11 40 1966 70 2022+| 47 1966 72 2022 11 2.43 1966 | 2.50 2002 12 44 2006+ 71 1879 | 46 2006 72 1879 12 1.91 1978 | 1.09 2014 13 41 1888 66 1900 | 46 1888 69 1962 13 2.28 1978 | 3.23 1970 14 47 1945 66 1894+| 50 1981 67 1962+ 14 2.14 1985 | 1.89 2020 15 43 1907 67 2001+| 45 1940+ 69 2001+ 15 1.30 1943 | 1.98 1943 16 50 2014 71 1911 | 46 1945 71 1899 16 2.39 1999 | 2.13 1974 17 52 1930+ 68 1894 | 51 1945 71 1894 17 2.17 1918 | 2.19 1986 18 49 1991+ 70 1911 | 50 1930 72 1996 18 2.06 1902 | 2.79 1876 19 49 1957+ 69 1877 | 50 1957 72 1996 19 1.81 1933 | 1.43 1898 20 44 1892 68 2004+| 44 1892 70 1902 20 2.31 1912 | 3.50 2025 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 21 48 1882 68 1921 | 51 1882 71 1974 21 2.05 1974 | 0.70 1949 22 52 1891 70 1921 | 50 1891 69 1921 22 2.07 2004 | 2.04 1890 23 50 2001 67 2007+| 58 2001 71 2010+ 23 1.70 1902 | 2.92 1995 24 49 1992 70 2010 | 52 1992 71 1921 24 2.12 2019 | 2.11 1874 25 49 1992 70 1880 | 52 1893 71 1918+ 25 2.80 1896 | 1.75 1984 26 52 1971 71 1911 | 56 1997+ 74 1914 26 2.25 1965 | 1.80 1933 27 46 1906 68 1914+| 48 1906 73 1914 27 2.36 1938 | 1.78 1973 28 48 1965 75 1874 | 49 2021+ 73 1874 28 1.85 1996 | 2.35 1996 29 52 1965 74 1874 | 54 1947 74 2006 29 3.55 1962 | 1.70 1898 30 56 1903+ 73 1874 | 54 1903+ 72 1942+ 30 1.87 1957 | 2.47 2004 31 47 1889 71 1934 | 46 1889 72 1918+ 31 1.83 1971 | 2.20 1879 =============================================================================== MAY RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1934 69.0 1 1907 52.7 | 1 2018 69.8 1 1907 54.8 2 1881 68.8 2 1997 53.0 | 2 1977 68.9 2 1888 55.2 3 1896 68.1 3 1966 53.2 | 3 1881 68.8 3 1945, 55.6 4 1880 67.4 4 1954 53.7 | 4 1934 68.4 1882 " 5 1936 66.5 5 1924 53.8 | 1896 68.4 5 1924 55.9 6 2018 66.2 6 1882 53.9 | 6 1911 68.0 6 1892 56.0 1887 66.2 1888 | 7 1962 67.9 7 1997, 56.1 8 1939 66.0 8 1967 54.0 | 8 1936 67.7 1954, " 9 1911 65.9 9 1945 54.5 | 9 1991 67.3 1935, " 10 1941 65.5 10 1996 54.7 | 10 1880 67.2 1917 " | WETTEST DRIEST | WETTEST DRIEST --------------- -------------- | --------------- -------------- 1 1962 9.43 1 1992 0.69 | 1 1974 11.43 1 1992 0.31 2 1892 9.18 2 1934 0.76 | 2 1970 11.07 2 1924 0.93 3 1902 8.67 3 1925 0.96 | 3 2001 9.60 3 1925, 0.98 4 1918 8.64 4 1988 0.97 | 4 1996 9.26 1934 " 5 2008 8.57 5 1981 1.05 | 5 1888 9.23 5 1928 1.08 6 1913 8.20 6 1874 1.08 | 6 2004 9.14 6 1929 1.23 7 1927 7.91 7 1994 1.10 | 7 1892 8.84 7 1881 1.34 8 1896 7.63 8 2007 1.11 | 8 1990 7.68 8 1901, 1.37 9 1915 7.61 9 1929 1.39 | 9 1933 7.60 1940 " 10 1996 7.56 10 1936 1.43 | 10 1899 7.35 10 1914 1.40 | SNOWIEST | SNOWIEST ---------------- | ---------------- 1 1966 3.1 | 1 1935 0.3 2 1960 1.0 | | (ONLY MEASURABLE SF IN MAY) =============================================================================== MAM RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1977 53.5 1 1960 41.7 | 1 1977 56.4 1 1960 43.9 2 1878 52.5 2 1975 42.5 | 2 2010 55.0 2 1888 45.2 3 1946 52.4 3 1996 42.7 | 3 1985 54.8 3 1875 45.5 4 1921 52.3 4 1888 42.7 | 4 1921 54.7 4 1892 45.6 5 1985 51.7 5 1965 43.6 | 5 1991 54.4 5 1947 45.9 6 1910 51.7 6 1984 43.7 | 6 2007 54.3 6 1996 46.0 7 1894 51.6 7 1961 43.9 | 7 1987 53.8 6 1940 46.0 8 1896 51.5 8 1997 44.1 | 8 2004 53.4 8 1984 46.1 9 2010 51.4 8 1979 44.1 | 9 2000 53.3 8 1943 46.1 10 1942 51.3 8 1892 44.1 | 9 1986 53.3 10 1883 46.2 | WETTEST DRIEST | WETTEST DRIEST --------------- -------------- | --------------- -------------- 1 1959 19.28 1 1936 3.08 | 1 1973 25.69 1 1934 3.09 2 1962 17.37 2 1934 3.51 | 2 1974 19.45 2 1887 3.70 3 2008 17.28 3 1874 3.90 | 3 1970 18.35 3 1895 4.17 4 1964 17.23 4 1895 4.11 | 4 1990 17.86 4 1992 4.26 5 1965 17.03 5 1925 4.16 | 5 1892 17.31 5 1885 4.58 6 1973 16.38 6 1994 4.68 | 6 1876 16.44 6 1924 4.75 7 1896 16.19 7 1928 5.40 | 7 1944 15.42 7 1901 4.82 8 1892 15.46 8 1988 5.49 | 8 2004 15.25 8 1936 4.83 9 1960 14.25 9 1931 5.63 | 9 1995 14.65 9 2005 4.90 10 1974 14.22 10 1887 5.70 | 10 1898 14.59 10 1994 4.95 | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY --------------- --------------- | --------------- --------------- 1 1959 32.9 1 1968 0.2 | 1 1912 29.9 1 2011 0.0 2 1983 30.7 2 1976 0.7 | 2 1923 25.8 1 1990 0.0 3 1993 26.2 3 1990 0.8 | 3 1972 22.4 1 1981 0.0 4 1975 25.9 4 1981 1.0 | 4 1970 21.0 1 1919 0.0 5 1961 23.9 5 1895 1.0 | 5 1926 20.1 5 2015 0.1 6 1951 23.2 6 1986 2.1 | 6 1982 19.6 5 1987 0.1 7 1973 21.2 7 1956 2.2 | 7 1975 18.4 5 1918 0.1 8 1962 21.1 8 2004 2.5 | 7 1951 18.4 8 1994 0.2 9 1972 20.9 9 2009 3.0 | 9 1980 17.0 8 1985 0.2 10 1952 19.8 10 ---- --- | 10 1965 16.2 10 1989 0.4 | 10 1929 0.4 ===============================================================================

UPDATED: 09/16/2025 SUMMARY OF JUN RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 105 6/29/1934 | 103 6/27/1934 | 104 6/28/1934 | 104 6/25/1988 6/27/1934 | 6/30/1931+ | | 6/29/1936 | 6/29/1931 | | 6/02/1934 | 6/28/1931 | | 6/01/1934 | 6/26/1931 | | 6/30/1931 MINIMUM 39 6/08/1913 | 36 6/04/1945 | 36 6/11/1972 | 39 6/01/1993 | | | 6/11/1972 | | | 6/04/1945+ | | | 6/08/1913 COLD MAX NA | NA | 48 6/01/1946 | 49 6/03/1945 WARM MIN NA | NA | 82 6/29/1931 | 81 6/30/1931 | | | 6/29/1931 | | | 6/28/1931 DAILY PP NA | NA | 3.84 6/13/2000 | 5.10 6/30/2014 DAILY SF NA | NA | NA | NA =============================================================================== WARMEST NA | NA | 1933 77.4 | 1934 78.1 COLDEST NA | NA | 1969 62.2 | 1916 65.8 WETTEST NA | NA | 1892 14.16 | 1993 13.21 DRIEST NA | NA | 1988 0.70 | 1886 0.49 =============================================================================== COLD SEASON (JUL-JUN) SNOW RECORDS =============================================================================== SNOWIEST NA | NA | 2007-2008 78.7 | 1974-1975 69.7 LEAST SF NA | NA | 1967-1968 15.0 | 1936-1937 9.9 =============================================================================== * * * JUNE DATA * * * DAILY RECORD HIGHS/LOWS ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 01 104 1934 44 1972 | 99 1934 39 1993 |102 1934 37 1993 |104 1934 39 1993 02 103 1934 41 1956 |102 1934 42 1924 | 98 1934 38 1969 |104 1934 42 2003 03 98 1934 42 1969+| 96 1914 38 1946 | 93 1895 39 1969 | 98 1972 42 1956+ 04 98 1934+ 40 1945 | 97 1914 36 1945 | 93 1934 38 1945 | 97 1934 39 1945+ 05 101 1944+ 42 1993 | 96 1977+ 39 1926 | 95 1933 40 1882 | 97 1933 41 1945 06 99 1933 45 1944 | 96 1933 42 1924 | 95 1933 43 1894 | 99 1933 44 1894 07 97 1933 44 1910 |100 1963 39 1935+| 94 1963+ 40 1897 | 99 1933 43 1935+ 08 98 1999+ 39 1913 | 97 1963 41 1931+| 95 1934 39 1901 | 98 1963+ 39 1913 09 102 1911 40 1977 |102 1911 41 1913 | 95 1911 42 1978+| 98 1911 41 1913 10 104 1911 41 1972 | 97 1956+ 38 1928 | 95 1933 40 1972+| 99 1933 41 1966 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 11 101 1933 44 1972+| 97 1920 41 1903 | 94 2021 36 1972 | 99 1933 39 1972 12 95 1987+ 40 1903 | 99 1921 40 2023 | 93 1894+ 40 1903 | 96 1987 41 1903 13 98 1987 44 1903 | 99 1920 42 1933 | 95 1920+ 45 1969+| 98 1987 45 1985 14 101 1987 45 1942 | 98 1897 39 1933 | 96 1894 47 1969+|101 1987 43 1933 15 97 1944 43 1917 | 99 1896 42 1927 | 95 1894 44 1999 | 96 2016 45 1917 16 102 1918 45 1961 | 99 1918 47 1947 | 96 1918 44 2023 | 98 1918 42 1961 17 98 1944 40 1915 | 99 1913 44 1974+| 99 1897 45 1960+| 98 1897 46 1876 18 97 1953+ 45 1912 | 99 1913 46 1950 | 96 1887 41 1876 | 98 1994 43 1876 19 102 1936 47 1976 | 98 1971+ 45 1926 | 96 1971+ 47 1882 |100 1953 47 1876 20 100 1988+ 45 1914 |100 1988 46 1985+|100 1988 41 2003 |101 1988 43 2003 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 21 101 1988 45 1992 |100 1988 44 1992+|100 1988 42 1992 |101 1988 43 1992 22 100 1911 42 1902 |100 1911 43 2021 | 97 1988 44 2021+| 98 1911 45 1963 23 99 1933 49 1903 |100 1931+ 45 1902 | 96 1923 45 1972 | 97 1931 47 1972 24 100 1937 47 1972 |100 1931 46 1936 | 99 1931 45 1887 |100 1937+ 47 1972 25 103 1988 49 1974 |102 1931 43 2004 |102 1931 41 2004 |104 1988 46 1979 26 103 1934+ 50 1926+|103 1931 46 1928 |102 1931 47 2004+|101 1931 48 1926 27 105 1934 48 1968 |103 1934 42 1926 |102 1934 43 1992 |102 1934+ 46 1992 28 104 1934 49 1968 |103 1934+ 40 1925 |104 1934 46 1968 |103 1934 47 1968 29 105 1934 50 1950+|103 1931 47 1929 |101 1931 47 1951 |104 1936 50 1923 30 100 1931 46 1943 |103 1931+ 43 1943 |101 1931 48 1988+|104 1931 46 1943 =============================================================================== JUN RECORD COLD HIGHS/WARM LOWS JUN RECORD PRECIPITATION ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 01 48 1946 79 1934 | 54 1946 73 1944 01 1.72 1919 | 1.85 1876 02 50 1969 72 1944+| 55 1969 73 1944+ 02 1.73 1950 | 1.03 2010+ 03 50 1945 71 1944 | 49 1945 70 1944+ 03 2.92 2002 | 1.81 1925 04 53 1951 74 1925 | 56 1993+ 74 1925+ 04 3.50 2002 | 3.50 1880 05 52 1935 73 1925 | 53 1928 74 2008 05 1.19 1930 | 1.73 1914 06 56 1891 70 1939+| 53 1891 74 1971 06 1.43 1881 | 2.66 1908 07 53 1924 75 1933 | 59 1907 74 1933+ 07 2.04 1969 | 4.61 1967 08 54 1878 72 1914 | 55 1878 74 1914 08 2.60 2008 | 2.95 1952 09 56 1909+ 73 1911 | 57 1889 75 1914 09 3.45 1966 | 3.98 1905 10 59 2006 74 1911 | 59 2006 76 1911 10 2.84 1893 | 1.69 1905 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 11 55 1903 73 1946 | 61 1985+ 76 1880 11 2.51 2015 | 2.45 1942 12 52 1947 73 1892 | 55 1947 76 1880 12 3.17 1944 | 3.28 2008 13 58 1947 75 1920 | 62 1955+ 76 2017 13 3.84 2000 | 1.83 2015 14 57 1917 75 1943 | 56 1915 79 2022 14 3.66 1938 | 4.43 1930 15 62 1999+ 73 1994 | 62 1917 76 1994 15 3.15 1954 | 1.68 1982 16 60 1974 74 1918 | 65 1974 77 1918 16 2.98 1892 | 3.45 1973 17 59 1876 74 1921+| 65 1876 78 2018 17 2.21 1984 | 1.65 1990 18 55 1876 74 1921 | 54 1876 77 2018 18 2.91 2014 | 2.23 2010 19 56 1946 76 1931 | 58 1876 78 1953 19 2.31 1885 | 1.56 2018 20 59 1952 74 1923 | 63 1946 78 1937 20 2.32 1937 | 1.73 2010 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 21 61 1902 74 2025 | 63 1902 77 2025 21 1.47 1997 | 1.92 1951 22 59 1992 75 2025 | 65 1992+ 78 1988 22 1.41 1964 | 2.69 1974 23 61 1969 79 1874 | 66 1979 77 1950 23 3.48 1892 | 4.36 1892 24 60 2004+ 79 1874 | 66 1928 78 1952 24 2.41 1968 | 4.46 2013 25 58 1928 79 1931 | 59 1928 77 1998+ 25 2.14 2021 | 2.08 2022 26 57 1968 79 1931 | 62 1968 79 1931 26 2.71 1944 | 1.14 1978 27 56 1968 80 1874 | 60 1968 79 1874 27 2.24 1966 | 1.75 1918 28 60 1902 79 1931 | 57 1902 81 1931 28 1.97 1945 | 1.30 1902 29 64 1943 82 1931 | 61 1902 81 1931 29 1.46 1959 | 3.71 1983 30 62 1986 77 1931 | 64 1891 81 1931 30 2.19 1959 | 5.10 2014 =============================================================================== JUN RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1933 77.4 1 1969 62.2 | 1 1934 78.1 1 1916 65.8 2 1934 77.3 2 1958 63.0 | 2 1873 77.7 2 1903 66.1 3 1931 75.1 3 1951 63.7 | 3 1933 77.6 3 1982 66.2 4 1921 75.0 4 1974 63.8 | 4 1921 76.8 4 1958, 66.3 5 1894 74.5 5 1916 64.0 | 5 1971 76.6 1902 " 6 1911 73.8 1982 | 6 1911 76.1 6 1945 66.5 7 1890 73.6 7 1926 64.5 | 7 1952 75.7 7 1915 66.6 8 1949 73.3 1928 | 8 2018 75.4 8 1928 66.7 9 1971 73.2 9 1903 64.6 | 9 1894 75.0 9 1889 67.0 10 1919 72.8 10 1915 64.7 | 10 1991, 74.6 10 1969 67.1 | 1987, " | 1954, " | 1931, " | 1919 " | WETTEST DRIEST | WETTEST DRIEST --------------- -------------- | --------------- -------------- 1 1892 14.16 1 1988 0.70 | 1 1993 13.21 1 1886 0.49 2 2014 12.57 2 1886 0.71 | 2 2014 10.91 2 1910 0.91 3 1944 10.87 3 1904 0.74 | 3 2015 10.90 3 1900 1.01 4 1925 10.80 4 1992 1.02 | 4 1892 10.79 4 1963 1.02 5 1969 10.49 5 1895 1.05 | 5 1990 9.59 5 1988 1.16 6 1947 10.45 6 1985 1.09 | 6 1924 9.01 6 1940 1.19 7 1890 9.59 7 1922 1.20 | 7 1914 8.84 7 1922, 1.22 8 1966 9.52 8 1901 1.23 | 8 1974 8.83 1895 " 9 2002 8.42 9 1887 1.32 | 9 1972 8.66 9 1991 1.32 10 2015 8.34 10 1956 1.41 | 10 1882 8.43 10 1897 1.37 | ============================================================================== COLD SEASON (JUL-JUN) SNOW RECORDS =============================================================================== | DUBUQUE* | MOLINE --------- | -------- | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY --------------- --------------- | --------------- --------------- 1 2007-2008 78.7 1 1967-1968 15.0 | 1 1974-1975 69.7 1 1936-1937 9.9 2 1961-1962 75.7 2 2001-2002 18.2 | 2 2013-2014 65.1 2 1901-1902 11.1 3 1974-1975 75.0 3 1894-1895 21.0 | 3 1978-1979 64.0 3 1986-1987 11.6 4 1959-1960 71.5 4 1980-1981 21.7 | 4 1959-1960 61.5 4 1924-1925 12.4 5 1977-1978 71.3 5 1965-1966 23.5 | 5 1996-1997 59.1 5 1921-1922 13.0 6 1978-1979 70.4 6 2002-2003 23.8 | 6 1971-1972 54.1 6 1965-1966 13.6 7 1958-1959 65.9 7 1988-1989 24.0 | 7 2007-2008 51.5 7 1920-1921 14.0 8 1992-1993 63.8 8 1955-1956 24.6 | 8 1969-1970 51.2 8 1932-1933 14.4 9 2010-2011 63.5 9 2004-2005 26.8 | 9 1911-1912 49.7? 9 1927-1928 14.5 10 2013-2014 63.3 10 1957-1958 " | 10 1925-1926 49.3? 10 1889-1890 14.8 | ================================================================================ * DUBUQUE SNOWFALL DATA MISSING FROM APR 1896-DEC 1947.

UPDATED: 9/16/2025 SUMMARY OF JUL RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 111 7/15/1934 | 110 7/05/1911 | 110 7/14/1936 | 111 7/14/1936 7/14/1934 | | | MINIMUM 46 7/30/1971 | 42 7/02/1924 | 40 7/09/1895 | 46 7/31/1971 | | | 7/30/1971 | | | 7/22/1947 | | | 7/11/1945 COLD MAX NA | NA | 60 7/30/1992 | 62 7/05/1909 | | 7/23/1992 | WARM MIN NA | NA | 81 7/19/1930 | 84 7/14/1936 | | 7/21/1901 | | | 7/25/1874 | DAILY PP NA | NA | 7.47 7/27/2011 | 5.18 7/14/1889 =============================================================================== WARMEST NA | NA | 1901 82.2 | 1936 85.0 COLDEST NA | NA | 2009 65.5 | 1891 69.2 WETTEST NA | NA | 2011 16.01 | 1992 11.76 DRIEST NA | NA | 1894 0.02 | 1936 0.14 =============================================================================== * * * JULY DATA * * * DAILY RECORD HIGHS/LOWS ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 01 103 1956 51 1918 |102 1931+ 43 1924 |100 1931 47 1995 |103 1956 48 1988 02 101 1911 50 1959+|105 1911 42 1924 | 98 1911 47 2001+| 98 1970+ 49 1942+ 03 105 1911 50 1968 |105 1911 43 1924 |102 1911 46 1968 |104 1911 47 1968 04 108 1936 49 1967 |106 1911 45 1924 |101 1911 45 1967 |102 1911 48 1940 05 108 1936 47 1972 |110 1911 49 1997+|104 1911 45 1972 |105 1936 47 1972 06 105 1936 49 1972 |102 1936 50 1979 |102 1936 46 1967 |105 1936 47 1979 07 105 1936 52 1997 |100 2012+ 47 2023 |102 1936 44 1984 |105 1936 48 1984 08 105 1936 53 1922 |102 1897 48 1891 |101 1936 47 2004 |104 1936 50 1891 09 104 1936 51 1953 |104 1901 45 1891 |102 1901 40 1895 |102 1936 49 1891 10 106 1936 47 1908 |103 1901 48 1996 |103 1936+ 49 1997 |105 1936 50 1996 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 11 107 1936 51 1945 |104 1930 46 1945 |107 1936 47 1975 |107 1936 46 1945 12 109 1936 53 1975+|106 1936 48 1975 |106 1936 51 1975+|108 1936 53 1999+ 13 108 1936 53 1975+|108 1936 45 1940 |107 1936 49 2007 |107 1936 48 1940 14 111 1936 48 1950 |109 1936 47 1950 |110 1936 47 1975 |111 1936 48 1975 15 111 1936 52 1945 |105 1936 47 1930 |101 1936 50 1967 |106 1936 48 1967 16 100 1936+ 51 2014 |104 1913 49 2014 |101 1901+ 48 2014 |101 1913 51 2014 17 105 1936 50 1976 |102 1936 49 1976 |100 1936 48 1976 |103 1936 52 2014 18 103 1930 53 1924 |101 1930 49 2009 | 99 1894 51 1979+|100 2012+ 54 2014+ 19 107 1934 54 2009+|103 1930 50 2009 | 97 2011+ 50 2003 |101 1934 52 2003 20 107 1934 53 2009 |105 1901 50 2009+|101 1901 49 2009+|102 1934 50 2009 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 21 108 1934 51 1970+|107 1901 47 1944 |106 1901 50 1882 |105 1901 50 1944 22 107 1934 47 1947 |101 1934+ 44 1947 |103 1934 51 1947 |104 1934 46 1947 23 108 1934 50 1947 |104 1901 44 1925 |104 1901 52 1990+|105 1901 49 1947 24 107 1901 51 2003 |107 1901 50 1927 |105 1901 51 2003+|106 1901 54 1957 25 107 1936 53 1911 |105 1940 50 2004 |102 1940 50 2004 |105 1940 52 1933 26 107 1936+ 48 1962+|108 1936 47 1911 |107 1936 48 1962 |106 1936 49 1962 27 109 1930 49 2004+|104 1930 48 1937 | 99 1916+ 48 1971 |105 1930 50 1962+ 28 103 1983+ 52 2013 |103 1931 47 1925 |100 1916 50 2013 |102 1983+ 52 1925 29 102 1916 49 1981 |104 1913 44 1925 |100 1941+ 45 1971 |104 1916 49 1981+ 30 104 1931 46 1971 |106 1913 47 1971+|100 1916+ 44 1971 |102 1931+ 46 1971 31 103 1988 48 1971 |104 1988 48 1971 |101 1988 45 1971 |101 1988 46 1971 =============================================================================== JUL RECORD COLD HIGHS/WARM LOWS JUL RECORD PRECIPITATION ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 01 66 2009 79 1931 | 67 1986 80 1970 01 6.28 1961 | 0.96 1967 02 65 2014 78 1911 | 68 1908 78 1911 02 2.22 1962 | 1.80 1892 03 64 1967 79 1911 | 69 1967 78 1911+ 03 3.46 1925 | 1.82 1932 04 63 1967 77 1949+| 67 1967 79 1911 04 2.13 1883 | 3.56 2007 05 61 1961 78 1874 | 62 1909 77 1994 05 4.55 1876 | 2.29 1953 06 64 1969+ 76 1948 | 63 1909 75 1923+ 06 1.57 2002 | 3.55 1982 07 65 1891 76 1876 | 62 1918 81 1936 07 2.85 1879 | 3.37 1915 08 66 2009 76 1881 | 65 2015 80 1936 08 4.36 1951 | 3.38 1986 09 70 2003+ 78 1936 | 70 1991+ 82 1936 09 3.87 1919 | 3.11 1879 10 67 1905 80 1936 | 63 1905 80 1936 10 3.32 1881 | 5.08 1971 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 11 64 1951 76 1879 | 68 1958 81 1936 11 2.30 1878 | 2.02 2025 12 63 1975 77 1981+| 70 1975 81 1936 12 1.87 1881 | 1.55 1971 13 66 1967 77 1936+| 69 1975 82 1936 13 2.13 1992 | 1.82 1992 14 64 1962 79 1936 | 69 1990 84 1936 14 1.54 1966 | 5.18 1889 15 63 1962 80 1932 | 64 1962 83 1936 15 2.08 2022 | 1.70 1992 16 72 2014+ 78 1895 | 74 1962+ 79 1931+ 16 1.58 1885 | 1.00 1903 17 61 2009 79 1887 | 68 2009+ 80 1878 17 3.91 1977 | 3.85 1969 18 66 2009 76 2011+| 70 2009 79 2011+ 18 3.40 2007 | 2.84 1963 19 67 1989 81 1930 | 68 1958 81 2019 19 2.32 1963 | 2.57 1963 20 66 1902 78 1930 | 67 1902 80 2019 20 1.39 2003 | 1.70 1883 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 21 64 2009 81 1901 | 68 2009 80 1901 21 2.42 2009 | 3.45 1948 22 62 1992 80 1901 | 71 1927 78 1952+ 22 2.84 2010 | 2.12 1957 23 60 1992 80 1914 | 71 1992+ 79 1914 23 4.59 2010 | 1.65 1975+ 24 68 2004+ 79 1901 | 68 1911 79 1901 24 1.54 2009 | 2.44 2009 25 66 1911 81 1874 | 70 1911 79 1940+ 25 0.86 1897 | 1.80 1992 26 68 1972 76 1919+| 66 1909 80 1930 26 2.10 1940 | 3.13 1966 27 62 1981 78 1901 | 65 1981 79 1936+ 27 7.47 2011 | 2.86 1875 28 64 1962 78 1941 | 65 1981 78 1949+ 28 3.27 2011 | 2.73 1911 29 68 1922 79 1917 | 70 1971 79 1916 29 1.53 1987 | 1.88 1970 30 60 1992 80 1917 | 65 1992 80 1916 30 1.95 1965 | 1.47 1882 31 64 1985 76 1888 | 67 1875 79 1917 31 1.83 1957 | 1.18 1877 =============================================================================== JUL RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1901 82.2 1 2009 65.5 | 1 1936 85.0 1 1891 69.2 2 1936 81.1 2 1992 66.7 | 2 1901 83.0 2 2009 69.3 3 1916 80.3 3 2014 67.2 | 3 1916 82.6 3 2014 70.1 4 1935 79.2 4 1971 67.9 | 4 1935 81.0 4 1884 70.3 5 1921 79.0 5 1882 68.2 | 5 1921 80.9 5 1992, 70.5 6 2012 78.2 6 1962 68.3 | 6 2012 80.7 1882 " 7 1931 78.1 7 1996, 68.8 | 7 1955 80.5 7 1971 70.7 8 1887 77.8 1958, " | 8 2011 79.9 8 1950 71.1 9 1874 77.7 1891 " | 9 2019 79.4 9 1958 71.3 10 1934 77.5 10 2004 69.3 | 1987 " 10 1967 71.4 | 1983 " | WETTEST DRIEST | WETTEST DRIEST --------------- -------------- | --------------- -------------- 1 2011 16.01* 1 1894 0.02 | 1 1992 11.76 1 1936 0.14 2 2010 12.68 2 2012 0.46 | 2 1969 11.39 2 1913 0.18 3 1961 12.23 3 1910 0.47 | 3 1971 11.22 3 1991 0.41 4 1881 10.53 4 1946 0.53 | 4 1875 9.36 4 1886 0.43 5 1962 8.93 5 1936 0.71 | 5 1982 8.83 5 1914, 0.44 6 2007 8.84 6 1927 0.84 | 6 1963 8.78 1894 " 7 1982 8.76 7 1916 0.85 | 7 2007 8.57 7 2012 0.45 8 1993 8.50 8 1991 0.87 | 8 1948 8.27 8 1916 0.46 9 1876 8.15 9 1886 0.89 | 9 1889 8.25 9 1890 0.85 10 1900 8.00 10 1930 0.94 | 10 1915 8.05 10 1881 0.91 | ================================================================================ * WETTEST 24 HOURS IN DUBUQUE: 10.62" 07/27/2011 - 07/28/2011. [7.35" FELL FROM 6 PM CDT 7/27/2011 UNTIL 1 AM CDT 7/28/2011. ANOTHER 3.27" FELL FROM 1 AM CDT 7/28/2011 UNTIL 12 PM CDT 7/28/2011.] (PREVIOUS 24 HR RAINFALL RECORDS: 8.96" 08/21-22/2002 & 8.85" 09/14/1967.)

UPDATED: 9/16/2025 SUMMARY OF AUG RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 110 8/08/1934 | 108 8/18/1936 | 107 8/18/1936 | 106 8/18/1936 | 03/1930 | | MINIMUM 41 8/20/1950 | 37 8/30/1915 | 40 8/28/1986 | 40 8/28/1986 | | 30/1915 | 29/1934 | | | 30/1915 COLD MAX NA | NA | 56 8/25/1987 | 59 8/25/1987 WARM MIN NA | NA | 80 8/06/1918 | 82 8/06/1918 DAILY PP NA | NA | 5.99 8/21/2002 | 4.79 8/23/1885 =============================================================================== WARMEST NA | NA | 1947 80.6 | 1947 81.0 COLDEST NA | NA | 1992 64.4 | 1915 67.2 WETTEST NA | NA | 1987 9.90 | 1987 15.23 DRIEST NA | NA | 1969 0.08 | 1971 0.35 =============================================================================== SUMMARY OF JJA RECORDS =============================================================================== WARMEST NA | NA | 1901 76.1 | 1936 78.6 COLDEST NA | NA | 1992 65.9 | 1915 68.6 WETTEST NA | NA | 1993 24.59 | 1993 26.79 DRIEST NA | NA | 1886 2.27 | 1886 3.59 =============================================================================== * * * AUGUST DATA * * * DAILY RECORD HIGHS/LOWS ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 01 104 1987 54 1968 |101 1987 48 1895 |100 1988 51 1992+|103 1987 55 2025+ 02 102 1947 52 1907 | 99 1988+ 49 1927 | 99 1890 50 2009+|101 1987 51 1985 03 105 1913 50 1974+|108 1930 43 1927 |103 1930 46 1894 |103 1930 48 1950 04 106 1918 48 1978 |103 1930 47 1978+| 99 1947+ 43 1978 |100 1947 46 1978 05 106 1918 49 1912 |100 1947 48 1948 | 98 1918 47 1994+|101 1918 48 1978 06 103 1947+ 50 2004+|107 1918 47 1948 | 97 1947+ 49 2004 | 99 1947+ 49 1948 07 101 1918 50 1976 |102 1918 46 1989 | 99 1894 46 1989 | 97 2012+ 48 1989+ 08 110 1934 51 1989+|100 1918 47 1904 |100 1894 45 1904 |102 1988 44 1884 09 108 1934 50 1972 |104 1913 43 1927 | 99 1936+ 46 1927 |101 1934 47 1884 10 100 1944+ 51 1917 | 98 1983 47 1924 | 99 1887 48 1882 | 99 1983 50 1884 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 11 99 1941+ 48 1982 |100 1941 47 2004+|100 1941 48 2024 | 98 1941 48 1968 12 104 1918 47 2004 | 99 1936 43 1931 | 98 1918 47 1977 |100 1936 47 1979+ 13 104 1936 46 1964 |100 1918 42 1964 | 97 1895 45 2004 | 97 1918 47 2004 14 104 1936 48 2013 | 99 1936 43 2004 | 96 1936 46 2004 |105 1936 45 2004+ 15 102 1913 46 2004 |102 1988+ 41 1929 | 98 1988 45 1979 |101 1936 47 1992+ 16 102 1913 53 1992+|100 1988+ 48 1976 |100 1937 47 1992 |101 1988 47 1992 17 105 1983 52 2012 |100 1988 46 1924 | 99 1988 47 1879 |103 1988+ 48 1992 18 105 1936 47 2012 |108 1936 46 2002 |107 1936 46 2002+|106 1936 44 1963 19 101 1936 47 1950 |100 1916 45 2004 | 99 1983 47 2004+|101 1983 49 1981 20 101 1947 41 1950 |100 1947 38 1950 | 99 1916 44 1967 |101 1983 43 1950 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 21 101 1947 44 1950 | 99 1916 45 1950 | 98 1947 41 2004 | 99 1936 44 1950 22 101 1936 50 1923 |100 1936 47 1891 |100 1936 41 1875 |101 1936 47 1923 23 101 1948+ 50 1984+|100 2023 43 1891 | 97 2023+ 44 1875 | 99 1947 48 1891+ 24 103 1947 49 1958+|100 1947 41 1942 | 99 1947 43 1875 |100 2023+ 43 1942 25 101 1936 44 1958 | 97 1925 40 1934 | 95 1948 42 1958 | 97 2003+ 43 1958 26 99 2003 46 1910 | 97 1924 41 1934 | 95 2003 44 1964 | 97 2003 45 1934 27 97 1955+ 44 1915 | 97 1995+ 43 1986 | 94 2024+ 43 1915 | 98 2024 46 1915 28 97 2013 42 1986 | 96 2013+ 40 1986+| 97 1984 40 1986 | 97 2013 40 1986 29 96 1953+ 43 1986 | 97 1925 40 1946 | 99 1984 43 1986+| 97 1984 40 1934 30 102 1947 46 1915 |100 2013+ 37 1915 | 94 1941+ 40 1915 | 98 2013+ 40 1915 31 99 1953 44 1967+| 98 1912 38 1915 | 96 1953 42 1967 |100 1953 45 2023+ =============================================================================== AUG RECORD COLD HIGHS/WARM LOWS AUG RECORD PRECIPITATION ------ DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 01 67 1974+ 78 1935 | 70 1974 79 2006 01 2.95 1972 | 3.48 1921 02 67 1974+ 75 1930 | 65 1927 79 2006 02 1.75 1885 | 3.21 1885 03 61 1915 79 1930 | 63 1974 78 1930+ 03 2.64 1959 | 3.17 1965 04 57 1915 79 1947 | 64 1915 80 1930 04 1.79 2012 | 1.28 1954 05 66 1912 77 1947 | 67 1991 77 2024+ 05 2.64 1938 | 2.59 1899 06 68 1989 80 1918 | 72 1932 82 1918 06 1.74 2018 | 1.98 1972 07 70 2009+ 75 1900 | 71 1945 80 1936 07 3.92 1873 | 1.92 2009 08 66 1965+ 77 1896+| 68 1959+ 78 1896 08 2.82 1970 | 2.03 1987 09 66 1964 76 1891 | 70 2023 81 1913 09 2.36 2009 | 1.71 2015 10 62 2004+ 73 1938+| 66 2004 74 1938+ 10 4.80 2025 | 1.19 1974 ------ DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 11 61 2004 76 1941 | 65 2004 80 1874 11 1.99 2005 | 4.39 1949 12 63 1964 75 1947+| 64 1964 75 1995+ 12 1.15 2019 | 1.55 2016 13 66 1992+ 76 1947 | 65 1903 76 1995+ 13 2.79 1943 | 2.86 1902 14 63 1929 77 1938 | 66 1979+ 78 1909 14 3.20 2023 | 2.09 1945 15 68 2001+ 74 1909 | 69 1979 76 1988+ 15 2.55 1907 | 1.40 1997 16 66 1921 76 1913 | 66 1980 76 1913 16 4.26 1918 | 2.80 1980 17 63 1954 75 1983 | 65 1927 79 1983 17 3.45 1990 | 1.61 1872 18 62 1924 76 1947+| 66 1963 78 1914 18 3.55 1912 | 2.39 1979 19 59 1977 76 1947+| 63 1967 77 1916+ 19 3.00 1935 | 3.10 1990 20 67 1985+ 76 1947+| 69 1950 76 1968+ 20 2.36 1952 | 2.09 1928 ------ DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 21 67 1990 76 1947+| 70 1875 76 1947+ 21 5.99 2002 | 3.55 1987 22 61 1967 77 1947 | 65 1891 76 1886 22 2.97 2002 | 1.77 1988 23 60 1887 76 1948 | 63 1887 77 2023 23 2.80 1928 | 4.79 1885 24 58 1940 77 2023 | 63 1940+ 78 2023 24 2.46 1963 | 2.25 1963 25 56 1987 73 1948 | 59 1987 76 2014 25 1.42 1880 | 3.38 1987 26 60 1971 74 1948 | 64 1915 75 2024+ 26 2.08 1987 | 3.05 1987 27 61 1986 74 1990 | 64 1988+ 76 1977 27 1.77 2009 | 2.00 1903 28 62 1965 72 2013+| 65 1914 75 1990 28 2.80 1887 | 3.31 2018 29 60 1915 75 1932 | 62 1915 75 1932 29 1.36 1993 | 4.60 1951 30 62 1903 76 1932 | 60 1903 75 1947 30 2.80 1957 | 1.76 1965 31 61 1958 74 2000+| 65 1958 75 2000+ 31 2.86 1914 | 2.10 1989 =============================================================================== AUG RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1947 80.6 1 1992 64.4 | 1 1947 81.0 1 1915 67.2 2 1900 78.0 2 2004 65.0 | 2 1936 80.0 2 1992 67.4 3 1937 77.1 1986 | 3 1900 79.8 3 1967 67.7 4 1995 76.9 4 1915 65.6 | 4 1983 79.6 4 1885 68.0 5 1936 76.7 1967 | 5 1937 79.1 5 1986 68.3 6 1983 76.6 6 2017 66.0 | 6 1995 78.5 6 1950 68.5 7 1881 75.6 7 1994 66.4 | 7 1873 78.1 7 2004 68.6 8 1916 75.1 8 1977 66.5 | 8 1988 77.8 8 1946 69.2 9 1938 75.0 9 2009 66.6 | 9 1913 77.5 9 1875 69.3 1909 10 1974 67.0 | 10 1909 77.3 10 1927 69.6 | WETTEST DRIEST | WETTEST DRIEST --------------- -------------- | --------------- -------------- 1 1987 9.90 1 1969 0.08 | 1 1987 15.23 1 1971 0.35 2 2002 9.71 2 1901 0.23 | 2 1885 12.68 2 1901 0.46 3 1981 9.65 3 2003 0.25 | 3 1965 9.31 3 1922 0.48 4 1928 9.38 4 1889 0.26 | 4 1980 9.09 4 1873 0.51 5 1980 9.11 5 1995 0.29 | 5 1872 8.91 5 1947 0.52 6 2009 8.78 6 1893 0.58 | 6 1972 8.20 6 1976 0.60 7 1911 8.74 7 1886 0.67 | 7 1997 8.15 7 2017 0.68 8 1965 8.33 8 1875 1.07 | 8 2016 8.07 1897 " 9 1993 8.05 9 1950 1.08 | 9 2009 8.06 9 1917 0.70 10 1885 8.02 10 1978 1.10 | 10 1924 8.03 10 1966 0.77 =============================================================================== JJA RECORDS (SUMMER) =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1901 76.1 1 1992 65.9 | 1 1936 78.6 1 1915 68.6 2 1936 75.5 2 2009 66.6 | 2 1983 77.3 2 1992 68.8 3 1931 75.4 2 1915 66.6 | 3 1931 77.1 3 1884 69.1 4 1894 75.3 4 2004 66.8 | 3 1901 77.1 4 1883 69.2 5 1934 75.2 5 1958 67.2 | 5 1921 77.0 5 1950 69.7 5 1921 75.2 5 1951 67.2 | 6 1988 76.4 6 1967 70.0 7 1949 74.9 7 1967 67.8 | 7 1934 76.3 6 1891 70.0 8 1874 74.7 8 1985 68.0 | 8 2010 76.1 8 2009 70.3 9 1933 74.5 9 1974 68.3 | 8 2005 76.1 9 1958 70.4 10 1943 74.2 10 1903 68.5 | 8 1913 76.1 9 1903 70.4 | WETTEST DRIEST | WETTEST DRIEST --------------- -------------- | --------------- -------------- 1 1993 24.59 1 1886 2.27 | 1 1993 26.79 1 1886 3.59 2 2010 24.02 2 1894 3.59 | 2 2009 21.99 2 1991 3.79 3 2002 22.25 3 1901 3.77 | 3 2007 21.70 3 1994 4.62 4 1876 21.95 4 1927 4.62 | 4 1902 21.18 4 2005 4.70 5 1892 21.75 5 1904 5.18 | 5 1924 20.80 5 1916 4.90 6 1925 20.64 6 1995 5.67 | 6 1972 20.65 6 1901 4.96 7 1944 20.55 7 1895 5.80 | 7 1969 20.36 7 1873 5.04 7 1881 20.55 8 1988 6.40 | 8 1951 20.25 8 1897 5.26 9 1885 20.53 9 1985 6.72 | 9 2010 20.11 9 1976 5.96 10 1961 20.52 10 1910 6.86 | 10 1990 19.57 10 1893 6.69 ================================================================================

UPDATED: 09/16/2025 SUMMARY OF SEP RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 103 9/01/1913 | 105 9/04/1925 | 99 9/07/1939 | 100 9/15/1939 9/05/1899 | | 9/06/1922 | 9/06/1922 MINIMUM 23 9/30/1899 | 22 9/30/1899 | 24 9/30/1899 | 24 9/28/1942 COLD MAX NA | NA | 43 9/26/1942 | 45 9/25/1942 WARM MIN NA | NA | 79 9/07/1939 | 77 9/07/1922 | | | 9/02/1913 DAILY PP NA | NA | 8.85 9/14/1967 | 6.21 9/13/1961 DAILY SF NA | NA | NA | NA =============================================================================== WARMEST NA | NA | 1931 70.1 | 1897 72.2 COLDEST NA | NA | 1975 57.2 | 1918 58.9 WETTEST NA | NA | 1965 15.46 | 1970 14.18 DRIEST NA | NA | 1979 0.07 | 1979 0.02 SNOWIEST NA | NA | 1942 T | NA LEAST SF NA | NA | NA | NA =============================================================================== * * * SEPTEMBER DATA * * * DAILY RECORD HIGHS/LOWS ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 01 103 1913 40 1949 |102 1913 39 1949 | 97 1913 42 1967 | 99 1953 41 1967 02 101 1913 43 1946 |103 1925 41 1946 | 97 1913 44 1946 | 99 1953 38 1946 03 101 1913 42 1974 | 98 1925 37 1974 | 95 1939 41 1974 | 98 1913 43 1974 04 100 1925 40 1974 |105 1925 38 1974 | 97 1925 38 1974 | 98 1925 39 1974 05 103 1899 44 1962 | 98 1925 42 1974 | 96 1899 42 2025+| 99 1899 42 1974 06 102 1899 44 1988 |101 1922 40 1950 | 99 1922 38 1988 |100 1922 40 1988 07 101 1899 42 2025+|100 1922 38 1986 | 99 1939 37 1956 | 99 1939+ 39 1956 08 100 1912 40 1986 | 99 1912 38 1986 | 97 1922 37 1986+| 98 1922 38 1986 09 100 2013+ 42 2008 | 99 2013 38 1924 | 97 1955 34 1883 | 99 2013+ 38 1883 10 98 2013 41 1976 | 98 1931 37 1976 | 97 1895 36 1976 | 97 2013 40 1883 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 11 98 1936 38 1917 | 96 1931+ 37 1917 | 96 1895 36 1917 | 97 2000 40 1940 12 98 1927 39 1955 | 96 1927 36 1975 | 95 1927 36 1902 | 96 1927 38 1955 13 98 1927 34 1902 | 96 1930 35 2014+| 96 1939 35 1953 | 97 1939 36 1902 14 99 1939 38 1974+| 96 1939 36 1996+| 97 1939 34 1974 | 99 1939 38 2014 15 99 1939+ 38 2007 | 97 1939 31 2007 | 97 1939 32 2007 |100 1939 36 2007 16 95 1906 39 1984+| 98 1931 34 1937 | 96 1931 34 1984 | 92 1931 37 1984 17 96 1927 40 1943 | 99 1925 38 1943 | 91 1927+ 38 1916+| 96 1927 35 1937 18 94 1910 37 1929+| 94 1972 32 1929 | 90 1955 35 1929+| 92 2007+ 35 1929 19 94 2013+ 33 1991 | 98 1925 33 1991 | 94 1948 37 2012+| 93 2013+ 34 1991 20 95 2022 32 1991 | 96 2022 29 1991 | 93 2022 28 1956 | 95 2022 30 1991+ ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 21 94 1908 35 1918 | 93 2017+ 33 1999+| 94 1891 35 1991+| 92 2007+ 32 1991+ 22 94 1937+ 31 1995 | 94 1930 29 1974 | 92 1937 31 1995+| 95 1937 32 1995 23 93 2017+ 33 1913 | 93 2017 29 2012 | 91 1891 31 2012+| 94 2017 31 1995 24 91 2007 33 1942 | 92 1984+ 28 2012 | 90 1935+ 28 2012 | 91 2017+ 30 2012+ 25 92 1999 32 1942 | 93 1920 29 1928 | 90 1920 30 1942 | 91 2017+ 30 1942 26 95 1897 32 1984 | 87 1998+ 24 1926 | 89 1891 31 1926 | 90 1891 32 1940 27 91 1905 32 1942 | 91 1905 31 1942 | 88 1954 31 1889 | 90 1990 30 1942 28 98 1953 25 1942 | 97 1953 23 1942 | 91 1952 29 1942 | 95 1953 24 1942 29 99 1953 28 1899 | 92 1953 27 1984 | 93 1953 28 1984 | 99 1953 30 1984+ 30 91 2023+ 23 1899 | 94 2023 22 1899 | 89 1897 24 1899 | 92 1952 28 1899 =============================================================================== SEP RECORD COLD HIGHS/WARM LOWS SEP RECORD PRECIPITATION ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 01 58 1886 73 1937 | 59 1886 75 1913 01 2.15 2018 | 2.53 1905 02 61 1909 74 2011+| 57 1974 77 1913 02 0.97 1887 | 2.99 1970 03 58 1905 73 1939+| 59 1905 76 1939 03 3.09 1934 | 2.84 1887 04 58 1994 71 1912 | 61 1874 73 1912 04 2.02 1916 | 2.23 2008 05 61 1920 76 1881 | 61 1876 76 1925+ 05 3.40 1876 | 3.22 1914 06 58 1949 75 1922 | 60 1949 76 1985+ 06 1.93 2020 | 2.40 1989 07 58 1917 79 1939 | 61 1891+ 77 1922 07 2.06 1938 | 1.77 1917 08 52 2020 74 1897 | 57 2020 74 1931+ 08 2.82 1941 | 1.73 2020 09 51 2020 75 1933 | 58 1968+ 75 1897 09 4.95 1875 | 3.24 2014 10 53 2020+ 72 1931 | 54 1924 75 2019+ 10 1.52 2006 | 1.64 1892 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 11 56 2014 74 1931 | 56 2014 74 1931 11 1.98 2019 | 1.95 1950 12 48 2014 74 1895 | 55 2014+ 74 1895 12 4.37 1961 | 2.29 2008 13 52 1970 74 1931 | 56 1970 73 1931+ 13 3.67 1961 | 6.21 1961 14 55 1945 74 1939 | 56 1945 74 1897 14 8.85 1967 | 2.32 1998 15 50 1916 75 1939 | 56 1916 74 1927 15 1.57 1927 | 1.90 1895 16 51 2011 70 1927+| 54 1903 72 1906 16 1.90 1987 | 2.36 1921 17 52 1973+ 73 1891 | 51 1901 72 1955 17 2.09 1938 | 2.40 1978 18 54 1938+ 73 1895 | 57 1929+ 74 1895 18 3.31 1874 | 3.73 1874 19 46 1901 74 1895 | 48 1901 74 1978+ 19 2.34 1965 | 1.56 1900 20 53 1995 76 1895 | 51 1918 74 1895 20 2.27 1965 | 2.89 1965 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 21 48 1913 72 1895 | 47 1995 73 2019 21 2.40 1965 | 3.32 1947 22 50 1995+ 73 1895 | 52 1995 72 2017 22 2.07 1946 | 1.62 2000 23 48 1928 70 1937 | 52 1928 71 1892 23 1.57 1945 | 2.09 1970 24 45 1942 71 1930 | 51 1942 72 1930 24 2.38 1994 | 1.41 1986 25 45 1942 73 1900 | 45 1942 74 1900 25 3.38 1880 | 1.56 1993 26 43 1942 70 1998 | 50 1942 74 1998 26 4.01 1881 | 2.12 1959 27 47 1942 71 1891 | 48 1926 72 1891 27 2.04 1907 | 2.05 1999 28 46 1912 67 1904 | 49 1912 70 1971 28 1.74 1972 | 1.94 1906 29 44 1899 67 1904 | 49 1899 68 1898 29 2.18 1878 | 1.19 1893 30 47 1876 68 1878 | 46 1876 69 1878 30 2.64 1961 | 3.44 1919 =============================================================================== SEP RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1931 70.1 1 1975 57.2 | 1 1897 72.2 1 1918 58.9 2 1897 69.9 2 1918 57.3 | 2 1931 71.2 2 1949 59.0 3 1895 69.8 - 1993 | 3 2016 70.6 3 1974 60.4 4 1891 69.3 4 1974 57.6 | - 2015 - 1924 5 1906 68.5 5 1924 58.2 | - 1906 5 1879 60.5 6 1939 68.4 6 1951 58.3 | 6 1933 70.2 6 1896 60.6 - 1933 7 2011 58.4 | - 1925 7 1975 60.9 8 1884 68.2 8 1989 58.5 | 8 1891 69.8 - 1883 - 1948 9 1962 58.6 | 9 1927 69.7 9 1993 61.0 10 1908 68.1 - 2006 | - 1881 - 1902 | WETTEST DRIEST | WETTEST DRIEST --------------- ---------------- | --------------- --------------- 1 1965 15.46 1 1979 0.07 | 1 1970 14.18 1 1979 0.02 2 2019 13.31 2 2024 0.08 | 2 1961 11.00 2 2002 0.18 3 1961 13.13 3 1990 0.57 | 3 2008 10.91 3 1930 0.39 4 1986 13.06 4 2022 0.60 | 4 1936 10.35 4 2024 0.42 5 1967 11.88 5 1974 0.62 | 5 1934 8.88 5 1956 0.49 6 1927 10.70 6 2004 0.64 | 6 1926 8.80 6 1883 0.73 7 1881 10.26 7 1877 0.67 | 7 1965 8.27 7 1952 0.77 8 1915 9.62 8 1891 0.68 | 8 1925 8.16 8 1899 0.82 9 1970 9.16 9 1939 0.69 | 9 1921 7.92 9 1932 0.86 10 1938 9.09 10 1952 0.85 | 10 1874 7.86 10 2021 0.87 | | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY --------------- --------------- | ---------------- --------------- 1 1942 T | | ================================================================================

UPDATED: 11/04/2024 SUMMARY OF OCT RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 95 10/03/2006 | 94 10/03/1997 | 90 10/03/1997 | 95 10/03/2006 13/1899 | | | MINIMUM 10 10/30/1925 | -2 10/30/1925 | 10 10/30/1925 | 11 10/28/1925 COLD MAX NA | NA | 25 10/30/1917 | 24 10/29/1925 WARM MIN NA | NA | 72 10/05/1900 | 72 10/04/2005 | | | 10/03/2005 | | | 10/03/1954 DAILY PP NA | NA | 3.37 10/04/1919 | 4.77 10/10/1954 DAILY SF NA | NA | NA | NA =============================================================================== WARMEST NA | NA | 1947 62.8 | 1963 64.4 COLDEST NA | NA | 1925 40.9 | 1925 42.5 WETTEST NA | NA | 1967 8.58 | 1941 9.41 DRIEST NA | NA | 1964 T | 1964 0.01 | | 1952 T | SNOWIEST NA | NA | 1925 3.9 | 1967 6.6 LEAST SF NA | NA | NA | NA =============================================================================== * * * OCTOBER DATA * * * DAILY RECORD HIGHS/LOWS ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 01 93 1897 30 2003 | 91 2023 28 2003 | 88 1976+ 26 2003 | 89 2006+ 30 2003+ 02 93 2006+ 26 2003 | 92 1953 24 2003+| 89 1953 22 2003 | 91 1953 24 1974 03 95 2006 29 1987 | 94 1997 28 1987 | 90 1997 27 1987 | 95 2006 27 1974 04 91 1938 29 1935 | 91 1938 25 1935 | 89 1897 25 1989 | 91 2005 27 1935 05 89 2007 31 2004+| 90 2024 28 2004+| 87 1922 25 1952 | 89 2024+ 28 1980 06 92 1963 23 1952 | 92 1963 22 1935 | 86 1963+ 20 1952 | 92 1963 24 1952 07 92 1939 26 1952 | 89 1916 23 2000 | 87 1939 25 2001 | 92 1939 27 1952 08 89 1916 27 1952 | 89 1916 25 2000+| 86 1949 22 1952 | 87 1949 25 1952 09 90 1938 27 1945 | 86 2010+ 23 2000 | 85 2010 25 2000 | 89 2010 26 2000 10 88 1963 28 1925 | 90 1962 20 1925 | 86 1930 24 2009 | 88 1938 24 1964 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 11 88 1962 25 1987 | 88 1962 19 1987 | 85 1928+ 21 2009 | 88 1962 24 1987 12 86 2024+ 27 1909 | 88 1995 26 1988+| 85 1886 23 1988 | 87 1947 26 1988+ 13 95 1899 20 1909 | 89 1975 20 1917 | 85 1975 22 1917 | 90 1975 23 1909 14 89 1910+ 26 1937+| 89 1897 20 1917 | 87 1947+ 26 2006+| 87 1947 26 1939+ 15 89 1963 29 1972+| 88 1899+ 19 1937 | 86 1897 22 1952 | 88 1963 21 1937 16 91 1910 28 1943 | 87 1950+ 25 2002 | 86 1950 26 1952+| 88 1910 26 1952 17 89 2016 25 1943 | 86 1950 22 1976 | 86 1950 22 2004 | 89 2016 23 1948 18 87 1950 23 1948 | 88 1950 20 1952 | 87 1950 16 1952 | 86 1950 19 1952 19 85 1953 18 1972 | 84 1924 16 2022 | 83 1953 18 1972 | 84 1953 20 1992 20 85 1979+ 21 1960 | 84 1953 19 1930 | 82 1953 22 1972+| 84 1979+ 22 1952 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 21 87 1899 23 1916+| 85 1947 17 1930 | 86 1947 16 1952 | 86 1947 20 1952 22 85 1963 22 1997 | 88 1899 19 1976 | 83 1947+ 19 1976 | 84 2022+ 21 1976 23 88 1899 25 1981 | 88 1899 19 1981 | 85 1899 21 1895 | 85 1963 23 1981 24 84 1963 23 1981 | 82 2023+ 19 2006 | 79 2023 20 1981 | 83 1963 23 2013+ 25 83 1939 21 1942 | 83 1927 20 1933 | 78 1989 15 1887 | 81 1939 17 1887 26 84 1963 18 1942 | 83 1927 17 1942 | 82 1927 16 1962 | 85 1963 19 1962+ 27 83 1927 22 1925+| 86 1927 15 1997 | 83 1927 19 1997+| 84 1927 21 1976+ 28 82 1927 12 1925 | 81 1927+ 2 1925 | 76 1945 15 1925 | 84 1927 11 1925 29 85 1937 14 1925 | 84 2024+ 0 1925 | 85 1937 12 1925 | 84 2024+ 12 1925 30 86 1950 10 1925 | 84 1950+ -2 1925 | 82 1950 10 1925 | 84 1950 15 1925 31 86 1950 18 1913 | 86 1950 12 1925 | 84 1950 16 2019 | 85 1950 21 2019+ =============================================================================== OCT RECORD COLD HIGHS/WARM LOWS OCT RECORD PRECIPITATION ------ DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 01 48 1961 68 2019 | 51 1961 72 2019 01 2.52 2019 | 1.37 1883 02 46 1888 69 1891 | 49 1998 68 1898+ 02 1.95 2019 | 1.51 1927 03 39 1999 68 2005+| 44 1999 72 2005+ 03 0.74 1903 | 0.87 2000 04 44 1875 70 1884 | 49 1935 72 2005 04 3.37 1919 | 2.02 1919 05 46 2012+ 72 1900 | 46 1932 66 1922+ 05 1.11 1904 | 1.47 1976 06 42 2012+ 68 2007 | 46 2000 71 2007 06 1.05 1921 | 1.92 1959 07 45 2000+ 68 2007 | 45 1952 69 2007 07 2.39 1967 | 4.12 1884 08 40 1915 67 1997 | 42 1915 69 1997 08 1.13 1958 | 0.76 2004+ 09 41 1906 68 1879 | 43 1925 69 1949+ 09 1.35 1985 | 2.31 1985 10 38 1906 65 1879 | 39 1906 68 1879 10 1.89 1954 | 4.77 1954 ------ DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 11 41 1906 68 1928 | 42 2009 68 1928 11 0.81 1918 | 2.03 1912 12 34 1909 64 1997 | 33 1909 68 1997 12 1.40 1890 | 1.90 1966 13 42 1986+ 65 1920 | 41 1909 68 1975 13 1.86 2023 | 1.18 1960+ 14 45 2009+ 65 1968 | 46 1891 67 1962+ 14 1.32 1886 | 3.38 2017 15 41 2009 68 1968 | 42 1943 69 1968 15 1.31 1957 | 1.76 1967 16 42 1992+ 64 1968+| 42 1943 68 2016 16 1.55 1984 | 1.62 1877 17 39 1948+ 69 2016 | 36 1880 71 2016 17 2.24 1905 | 4.14 1998 18 36 1880 62 1910 | 39 1972 63 1994 18 1.67 1984 | 2.35 1985 19 32 1930 62 1971+| 36 1930 62 1971+ 19 1.71 1937 | 1.30 1982 20 37 1913 62 1920 | 38 1930 65 1979 20 1.42 1936 | 1.28 1934 ------ DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 21 38 1995+ 62 1971+| 38 1913 67 1979 21 2.24 1965 | 1.66 1943 22 35 1925 60 1971+| 36 1925 65 1963 22 2.38 2001 | 1.94 1941 23 38 2006+ 66 1899 | 35 1929 63 1899 23 2.58 1959 | 1.53 1991 24 37 1981+ 63 1899 | 39 1887 63 2023+ 24 1.60 1967 | 1.39 1967 25 33 1962 58 2023 | 32 1887 61 2023 25 2.87 1939 | 1.66 1898 26 31 1942 62 2023 | 35 1942 64 2023 26 1.95 2023 | 1.47 2004 27 29 1925 59 1927 | 33 1925 60 1927 27 1.46 1918 | 1.51 1918 28 26 1925 60 1900 | 27 1925 61 1900 28 1.08 1874 | 1.12 1961 29 26 1925 65 1946 | 24 1925 69 2024 29 1.60 2009 | 1.17 1961 30 25 1917 62 1901 | 32 1925+ 62 2024 30 1.39 1967 | 1.60 2013 31 31 2019+ 59 1888 | 34 2019+ 64 1950 31 1.71 1960 | 1.57 1960 =============================================================================== OCT RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST --------------- --------------- | --------------- --------------- 1 1947 62.8 1 1925 40.9 | 1 1963 64.4 1 1925 42.5 2 1963 61.0 2 1917 41.9 | 2 1947 62.6 2 1917 43.9 3 1900 60.2 3 1952 44.4 | 3 1900 61.8 3 1952 46.6 4 1879 59.7 4 1987 44.7 | 4 1879 60.5 4 1976 46.8 5 1920 58.7 5 2009 44.8 | 5 1920 60.4 5 1988 47.3 6 1950 58.5 6 1988 45.1 | 6 1924 60.0 6 1987, 47.4 7 1938 57.8 7 1976 45.2 | 7 1971 59.9 1895 " 8 1924 57.5 8 1875 45.5 | 8 1897 59.2 8 1887 48.3 9 1897 57.2 9 2002 45.7 | 9 2007, 59.1 9 2009 48.5 10 1971 57.1 10 1972 46.0 | 1950, " 10 1980 48.6 | 1899 " | WETTEST DRIEST | WETTEST DRIEST --------------- --------------- | --------------- --------------- 1 1967 8.58 1 1964, T | 1 1941 9.41 1 1964 0.01 2 1951 7.44 1952 | 2 1985 8.54 2 1952 0.04 3 2009 7.08 3 1945 0.11 | 3 1998 7.60 3 1897 0.35 4 2019 6.89 4 1963 0.26 | 4 1954 7.43 4 1915 0.36 5 1959 6.72 5 1950 0.27 | 5 1884 7.17 5 1993 0.37 6 1881 6.70 6 1953 0.32 | 6 1881 6.85 6 1956 0.40 7 1984 6.55 7 1975 0.41 | 7 1984 6.60 7 1922 0.42 8 1890 6.43 8 1924 0.43 | 8 1967 6.23 8 1901 0.45 9 2018 6.42 9 1892 0.44 | 9 2019 6.11 9 2005 0.46 10 1919 6.22 10 2005 0.48 | 10 2009 5.94 10 1892 0.55 | | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY --------------- --------------- | ---------------- --------------- 1 2019 9.2 | 1 1967 6.6 2 1997 4.2 | 2 2019 5.8 3 1925 3.9 | 3 1898 2.9 4 1898 3.6 | 4 1980 2.4 5 1917 3.2 | 5 1917 2.2 6 1929 3.0 | 6 1972, 2.0 7 1976 1.5 | 1913 " 8 1980 1.4 | 8 1925 1.5 1923 1.4 | 9 1997 1.4 10 1955 1.0 | 10 1929 1.1 ===============================================================================

UPDATED: 11/04/2024 SUMMARY OF NOV RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 82 11/08/1999 | 79 11/07/1915 | 78 11/01/1933 | 80 11/01/2000 | | 07/1915 | 01/1933 MINIMUM -2 11/08/1991 | -12 11/29/1891 | -17 11/26/1977 | -10 11/29/1891 26/1977+| | | 29/1976 | | | COLD MAX NA | NA | 9 11/28/1976 | 5 11/29/1929 | | 21/1880 | WARM MIN NA | NA | 64 11/12/1902 | 64 11/12/1902 DAILY PP NA | NA | 4.79 11/02/1961 | 3.09 11/03/1935 DAILY SF NA | NA | NA | NA =============================================================================== WARMEST NA | NA | 2001 46.6 | 2001 49.8 COLDEST NA | NA | 1959 26.9 | 1976 30.1 WETTEST NA | NA | 1961 10.63 | 1992 6.77 DRIEST NA | NA | 1917 0.07 | 1904 0.18 SNOWIEST NA | NA | 1986 13.9 | 2018 18.4 LEAST SF NA | NA | 1999 0.0 | 1999 0.0 | | | 1946 0.0 | | | 1939 0.0 | | | 1904 0.0 | | | 1890 0.0 =============================================================================== SUMMARY OF SON RECORDS =============================================================================== WARMEST NA | NA | 1931 57.6 | 1931 ? 60.1 COLDEST NA | NA | 1976 44.2 | 1976 46.6 WETTEST NA | NA | 1961* 27.61 | 1961 20.47 DRIEST NA | NA | 1953 2.67 | 1873 3.11 SNOWIEST NA | NA | 1986 13.9 | 1974 15.6 LEAST SF NA | NA | 1999 0.0 | NA =============================================================================== * 2 DAYS MISSING * * * NOVEMBER DATA * * * DAILY RECORD HIGHS/LOWS ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 01 81 1950 20 2023 | 77 2000+ 15 1966 | 78 1933 13 2019 | 80 2000+ 19 2019+ 02 79 1938 13 1991+| 77 1938 10 1966 | 77 1938+ 8 1951 | 78 1938 13 1951 03 78 1964 11 1991 | 75 1964 9 1991 | 73 2008+ 8 1951 | 77 1938 12 1951 04 76 1978 8 1991 | 73 1978 3 1991 | 72 1978 6 1991 | 77 1978 10 1991 05 77 2008 16 1976 | 75 1945 6 1951 | 72 1924 0 1951 | 75 1924 12 1951 06 77 1916 15 1991 | 76 1916 10 1959 | 73 1916 7 1991 | 76 2020 16 1959 07 80 1915 4 1991 | 79 1915 1 1991 | 78 1915 3 1991 | 78 1915 8 1991 08 82 1999 -2 1991 | 78 1999 -2 1925 | 75 1999 2 1991 | 79 1999 5 1991 09 76 2022+ 11 1991 | 76 2022+ 4 1925 | 74 1999 12 1991 | 78 2022 10 1991 10 75 2022 13 2018 | 72 2022+ 10 2018 | 71 2022 11 2018 | 78 2022 14 1979 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 11 78 1964 11 2019 | 77 1964 4 2019+| 71 1927 6 1986 | 76 1964+ 11 2019 12 75 1902 5 2019 | 69 1930+ -6 2019 | 69 1902 -5 2019 | 72 1902 6 2019 13 76 1999+ 4 1940 | 76 1999 2 1986+| 72 1999 1 1986 | 76 1989 5 1986 14 75 1964 6 1940 | 75 1964 0 1959 | 70 1971 5 1916 | 75 1971 0 1959 15 74 1950 4 1940 | 74 1950 0 1959 | 69 1990 6 1959 | 72 2001+ -1 1959 16 75 2001+ 2 1959 | 75 1931 0 1959 | 74 1896 1 1959 | 76 1931 3 1959+ 17 86*1899 0 1959 | 73 2016+ -8 1959 | 71 1941 -2 1959 | 76 2016 -1 1959 18 76 1953 9 2014 | 72 1999+ 3 2014 | 70 1999+ 3 2014 | 74 1999 7 1891 19 77 1942 6 1914 | 75 1942 6 2022+| 74 1942 4 1914 | 77 1942 5 1914 20 76 1913 7 1914 | 73 1897 5 1914 | 70 1913+ 3 2014 | 73 1913 8 1880 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 21 75 1913 4 1937 | 67 1990+ 0 1937 | 69 1913 -5 1880 | 71 1913 1 1880 22 72 1913 6 1929 | 66 1908 -1 1937 | 64 1908 2 2015+| 71 2010 1 2015 23 69 1931 3 1950 | 65 1966 1 1898 | 64 1931 -1 1950 | 68 1931 3 1950 24 73 2017 0 1950 | 71 2017 -2 1950 | 69 2017 -4 1950 | 72 2017 -2 1950 25 68 1915 1 1977 | 68 1896 -7 1977 | 65 1896 -6 1977 | 67 1896 -2 1977 26 71 1990 -2 1977+| 69 1914 -11 1977 | 67 1914 -17 1977 | 70 1990 -6 1977 27 72 1909 2 1898 | 69 1909 -5 1898 | 67 1909 -5 1887 | 70 1909 1 1887 28 68 2006+ 0 1976 | 63 2006+ -7 1976 | 63 1909 -12 1887 | 67 2006 -4 1976 29 73 1933 -2 1976 | 69 1998 -12 1891 | 64 1998 -11 1976 | 69 1998 -10 1891 30 67 1998 0 1929 | 68 1899 -6 1976 | 63 1998 -9 1976 | 66 1998 -4 1976 =============================================================================== * THIS IS BELIEVED TO BE AN ERRONEOUS RECORD DUE TO FAULTY EQUIPMENT. THE RECORD HIGH FOR BURLINGTON ON THE 17TH IS LIKELY 75 DEGREES SET 1952. =============================================================================== NOV RECORD COLD HIGHS/WARM LOWS NOV RECORD PRECIPITATION ------ DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 01 31 1911 61 1933 | 33 1911 60 1888 01 2.65 1971 | 1.49 1983 02 23 1951 63 1938 | 23 1951 62 1938 02 4.79 1961 | 1.62 1888 03 19 1991 58 1938 | 21 1991 60 1938 03 2.26 2024 | 3.09 1935 04 20 1991 54 1898 | 25 1991 63 2024 04 1.61 2022 | 1.51 2022 05 28 1951 55 1874 | 30 1967 56 1975 05 1.13 2015+ | 2.03 1883 06 22 1991 53 1906 | 27 1959 57 1924 06 0.81 2000 | 1.60 1943 07 22 1991 59 1874 | 25 1991 61 1874 07 1.10 1938 | 1.25 1909 08 25 1991 53 1977 | 26 1925 56 1977 08 1.41 1879 | 1.22 2011 09 28 2018 61 2020 | 32 1973 62 2020 09 1.70 1919 | 1.57 1911 10 29 2017+ 48 2012+| 28 1950 53 2012 10 1.67 2020 | 2.04 1995 ------ DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 11 22 1986 53 1922 | 27 1986+ 59 1964 11 1.21 1881 | 1.49 1881 12 16 1911 64 1902 | 20 1911 64 1902 12 1.34 1922 | 0.98 1985 13 19 1986 52 1944 | 20 1986 53 1944 13 1.05 1951 | 1.03 1972 14 20 1916 56 1958 | 23 1916 59 1958 14 1.11 1956 | 1.16 1968 15 21 1933 57 1930 | 26 1940 60 1964 15 1.64 1960 | 1.71 1961 16 20 1997 55 1942 | 27 1997 56 1931 16 2.95 1961 | 1.55 1928 17 13 1959 55 1952 | 17 1959 57 1952 17 2.04 1952 | 1.02 1952 18 16 2014 54 1941 | 21 2014 54 1953 18 1.34 1957 | 1.19 1957 19 14 1914 54 1953 | 15 1914 58 1913 19 0.73 1983 | 0.73 1970 20 21 2000+ 56 1934 | 23 1926+ 57 1934+ 20 2.27 1992 | 2.00 1992 ------ DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 21 9 1880 50 1899 | 14 1880 53 1913 21 1.36 1934 | 1.16 1934 22 17 1956 46 1966 | 21 1945 52 1966 22 3.45 1963 | 1.10 1963 23 15 1898 59 1931 | 17 1898 60 1931 23 1.29 1931 | 0.74 2014 24 14 1950+ 47 2001 | 11 1950 52 1966 24 1.31 2009 | 0.94 2001 25 16 1977 45 1915 | 24 1991+ 53 1915 25 1.06 1992 | 1.90 1915 26 12 1977 47 1927+| 12 1898 50 1927 26 1.39 2015 | 1.82 2015 27 14 1930 55 1909 | 18 1930 55 2006 27 1.23 1983 | 1.34 1983 28 9 1976 54 2006 | 8 1891 56 2006 28 0.87 1987 | 1.57 1934 29 4 1929 55 1998 | 5 1929 58 1998 29 1.65 1975 | 0.94 2006 30 12 1976 47 1914 | 15 1896 51 1913 30 2.00 1934 | 1.10 1934 =============================================================================== NOV RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST ----------------- ----------------- | ----------------- ----------------- 1 2001 46.6 1 1959 26.9 | 1 2001 49.8 1 1976 30.1 2 1931 45.9 2 1976 27.8 | 2 1931 48.8 2 1880 31.1 3 1913 44.2 1880 | 3 1909 46.8 3 1959 31.3 1909 " 4 1951 28.3 | 4 1913 46.4 4 1995 32.2 5 1902 44.0 5 1995 28.8 | 1902 " 1911 " 6 1899 43.9 6 1996 29.2 | 1899 " 6 1872 ? 32.4 7 1934 43.3 7 1991 30.3 | 7 1999 45.5 7 1996 32.5 8 1999 43.0 8 1985 30.4 | 8 1975 45.0 1891 " 9 2009 42.8 9 1911 30.7 | 9 1934 44.3 9 1951 32.6 10 1922 42.7 10 1955 30.9 | 10 1990 44.2 10 1892 33.0 11 1941 41.8 1997 | 11 1964 44.1 11 1875 33.4 12 1918 41.2 12 1891 31.0 | 12 2015 44.0 12 1950 33.7 1915 13 1892 31.4 | 13 1987 43.9 13 1910 33.8 1990 14 1997 32.2 | 1922 " 14 1991 33.9 15 1904 41.1 15 1929 32.3 | 15 2004 43.8 15 1894 34.0 | 16 1932 34.2 | WETTEST DRIEST | WETTEST DRIEST ----------------- ----------------- | ----------------- ----------------- 1 1961 10.63 1 1917 0.07 | 1 1992 6.77 1 1904 0.18 2 1934 8.63 2 1904 0.08 | 2 1934 6.47 2 1910 0.22 3 1992 6.84 3 2002 0.17 | 3 1985 6.35 3 1914 0.24 4 2003 5.85 4 1914 0.21 | 4 2015 5.84 4 1917 0.26 5 1879 ? 5.41 5 2007 0.27 | 5 1983 5.78 5 2002 0.27 6 2015 5.38 6 1933 0.28 | 6 1991 5.03 6 1933 0.29 7 1982 5.30 7 1955 0.36 | 7 1931 4.99 7 1999 0.49 8 1928 4.88 8 1976 0.37 | 8 1961 4.94 8 1969 0.53 9 1931 4.86 9 1954 0.47 | 9 1994 4.71 9 1875 0.57 10 1874 4.79 10 1875 0.48 | 10 1879 4.70 10 1955 0.60 11 1963 4.66 11 1910 0.53 | 11 1935 4.66 1924 " 12 1922 4.41 12 1924 0.56 | 12 1928 4.29 12 1873 0.63 13 1971 4.39 13 1999 0.57 | 13 1915 4.07 13 1976 0.65 14 1991 4.28 14 1969 0.60 | 14 1909 3.92 14 1896 0.68 15 1985 4.22 15 1885 0.64 | 15 1926 3.88 15 1980 0.70 1975 " | | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY ----------------- ----------------- | ----------------- ----------------- 1 1986 13.9 1 1999 0.0 | 1 2018 18.4 1 1999 0.0 2 1992 12.6 2 2009 -03 T | 2 1974 15.6 1946 " 3 1971 12.3 2003 " | 3 1925 10.8 1939 " 4 2015 11.8 2002 " | 4 2015 9.9 1904 " 5 1977 11.6 2001 " | 1975 " 1890 " 6 1925 ? 11.0 1994 " | 6 1959 9.1 6 SEVERAL T 7 1985 10.4 1973 " | 7 1895 8.7 8 1947 ? 10.2 1970 " | 8 1926 8.1 9 1972 9.5 1966 " | 9 1976 7.7 10 1959 8.8 1948 " | 1947 -01 " 11 1978 8.0 11 1982 0.1 | 11 1892 7.6 12 1975 7.1 1968 " | 12 1978 7.1 13 1974 6.2 1965 " | 12 1972 6.7 14 1990 5.3 14 1963 0.2 | 14 1898 6.5 15 1995 -01 4.6 1961 " | 15 1971 5.9 16 2008 4.5 1960 " | 1968 " 17 1996 -01 4.1 | =============================================================================== * NEGATIVE VALUES REPRESENT THE NUMBER OF DAYS OF MISSING DATA. ** UNDER REVIEW: DUBUQUE: WETTEST 1879/5.41 -- SNOWIEST 1925/11.0 1947/10.2 MOLINE: COLDEST 1872/32.4 SON RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST ----------------- ----------------- | ----------------- ----------------- 1 1931 57.6 1 1976 44.2 | 1 1931 60.1 1 1976 46.6 2 2016 55.0 2 1959 45.4 | 2 2016 58.9 2 1875 ? 48.0 3 1922 54.7 3 1951 45.8 | 3 1963 57.5 3 1896 48.7 4 1963 54.6 4 1995 46.2 | 4 1922 57.1 4 1880 ? 48.8 5 1941 54.5 5 1993 46.8 | 5 2015 56.8 5 1995 49.0 6 1899 54.4 6 1996 46.9 | 6 1899 56.7 1932 ? " 7 1947 54.1 1972 " | 1927 56.4 7 1959 49.2 1939 54.1 8 1992 47.0 | 8 1897 56.3 8 1876 ? 49.4 1897 54.1 9 1991 47.1 | 2005 56.2 9 1943 49.5 10 1938 54.0 1896 " | 10 1971 56.2 1889 " 11 1914 53.9 11 1985 47.3 | 11 2007 56.1 1883 ? " 12 1957 47.4 | 12 1993 49.7 13 1967 47.7 | 1951 " 14 1969 47.9 | 14 1996 49.8 1911 " | 15 1957 49.9 | | WETTEST DRIEST | WETTEST DRIEST ----------------- ----------------- | ----------------- ----------------- 1 1961 -02 27.61 1 1953 2.67 | 1 1961 20.47 1 1873 3.11 2 1967 23.73 2 1924 3.43 | 2 1970 17.18 2 1899 3.18 3 1965 22.47 3 1899 3.59 | 3 1934 16.69 3 1910 3.23 4 1986 18.27 4 1999 3.60 | 4 1985 16.60 4 2002 3.30 5 1934 16.37 5 1976 3.68 | 5 1941 16.11 5 1956 3.32 6 1927 16.26 1908 " | 6 1919 15.25 6 1901 -01 3.53 7 1919 15.16 7 1949 3.79 | 7 1926 15.06 7 1897 3.55 8 1931 14.45 8 1929 4.33 | 8 1881 14.63 8 1924 3.69 9 1985 14.05 9 1917 4.34 | 9 2008 14.26 9 1996 ? 3.75 10 1946 13.83 10 1950 4.38 | 10 1998 13.92 10 1952 -01? 3.76 11 1941 13.73 11 1964 4.47 | 11 1967 13.48 11 1953 3.86 12 1938 13.60 12 1910 4.52 | 12 1884 13.45 12 2007 4.06 13 1915 13.30 13 1933 4.53 | 13 1983 13.44 13 2005 4.12 14 1959 13.29 14 1990 4.58 | 14 1927 13.36 1937 ? " 15 1921 12.69 15 1981 -30 4.64 | 15 1991 13.35 15 1933 4.36 | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY ----------------- ----------------- | ----------------- ----------------- 1 1986 13.9 1 1999 0.0 | 1 2018 18.6 2 1992 13.0 2 2009 -03 T | 2 1974 15.6 NA 3 1971 12.3 2003 " | 3 1925 12.3 4 2015 11.8 2002 " | 4 2015 9.9 5 1977 11.6 2001 " | 1975 " 6 1985 10.4 1994 " | 6 1898 9.4 7 1972 10.0 1973 " | 7 1959 9.1 8 1959 8.8 1966 " | 8 1972 8.7 9 1978 8.0 1948 " | 1895 " 10 1975 7.1 10 1982 0.1 | 10 1926 8.1 11 1974 6.2 1968 " | 11 1976 7.7 12 1990 5.3 1965 " | 1947 -02 " 13 1976 5.2 13 1963 0.2 | 13 1892 7.6 14 2008 4.7 1961 -02 " | 14 1978 7.1 1967 " 1960 " | 15 1967 6.9 | ================================================================================ * NEGATIVE VALUES REPRESENT THE NUMBER OF DAYS OF MISSING DATA. ** UNDER REVIEW: DUBUQUE DRIEST 1981/4.64 MOLINE: WARMEST 1931/60.1 OR 58.7, 1922/57.3 OR 57.1, 1899/56.6 OR 56.7 1884/55.9 OR 55.7, 1920/55.8 OR 55.7, 1938/55.6 OR 55.5, 1900/55.5 OR 55.4 COLDEST 1875/48.0 OR 47.9, 1873/48.0, 1880/48.8 OR 48.1, 1932/49.0 OR 48.9, 1876/49.4 OR 49.1, 1883/49.5, 1887/49.7, 1885/49.8 DRIEST 1996/3.75 OR 2.87, 1952/3.76 OR 3.80, 1937/4.12 =================================================================================

UPDATED: 02/01/2023 SUMMARY OF DEC RECORDS =============================================================================== RECORD BURLINGTON | CEDAR RAPIDS | DUBUQUE | MOLINE =============================================================================== MAXIMUM 73 12/15/2021 | 73 12/15/2021 | 69 12/15/2021 | 75 12/15/2021 12/04/1998 | | | MINIMUM -22 12/23/1989 | -28 12/28/1924 | -25 12/24/1983 | -24 12/23/1989 COLD MAX NA | NA | -13 12/23/1983 | -10 12/24/1983 WARM MIN NA | NA | 56 12/02/1982 | 59 12/13/2015 | | 08/1946 | 12/04/1998 DAILY PP NA | NA | 2.08 12/13/2015 | 3.38 12/26/1942 DAILY SF NA | NA | NA | NA =============================================================================== WARMEST NA | NA | 1877 ? 40.4 | 1877 ? 42.1 COLDEST NA | NA | 1985 ? 8.6 | 2000 13.1 WETTEST NA | NA | 2007 4.61 | 1982 4.99 DRIEST NA | NA | 1995 0.10 | 1900 0.21 SNOWIEST NA | NA | 2000 37.6 | 2000 32.0 LEAST SF NA | NA | 2014 T | 1889 0.0 | | 2006 T | | | 1939 T | =============================================================================== SUMMARY OF ANNUAL RECORDS =============================================================================== WARMEST NA | NA | 1931 53.4 | 1931 55.4 COLDEST NA | NA | 2014 43.7 | 1875 45.4 WETTEST NA | NA | 1961 63.39 | 1973 56.36 DRIEST NA | NA | 1894 19.35 | 2005 17.86 SNOWIEST NA | NA | 2008 84.9 | 1997 71.0 LEAST SF NA | NA | 2001 15.0 | 1949 12.6 =============================================================================== * * * DECEMBER DATA * * * DAILY RECORD HIGHS/LOWS ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 01 63 1982+ 4 1942 |62 1962 -6 1893 |59 1970 -8 1893 |63 1962 -8 1893 02 66 1962 -5 1942 |66 1962 -9 1985 |62 1982+ -9 1886 |65 1982 -9 1886 03 72 2012 -4 1942 |68 2012 -10 1940 |64 2012+ -15 1985 |69 2012+ -4 1940 04 73 1998 -3 1991 |69 1998 -5 2005+|67 1998 -6 1991 |71 1998 -2 1991 05 67 2001 -4 1977 |67 2001+ -9 2005 |64 2001 -9 2005 |69 2001 -4 2005 06 67 1951 -4 1977 |58 1939 -12 2005 |56 1951+ -10 1977 |63 1951 -6 1882 07 66 1916 -9 1976 |62 1916 -19 2005 |61 1916 -16 1882 |66 1916 -15 1882 08 69 1991 -10 1917 |65 1946 -10 1958 |63 1946 -13 1958 |67 1991 -11 1876 09 66 1940 -12 1958 |62 1946 -17 1958 |59 1946 -18 1958+|64 1918 -17 1876 10 61 1979 -12 1919 |59 1979 -23 1919 |57 1911 -18 1919 |62 2020 -16 1972 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 11 67 1949 -10 1972 |63 1949 -13 1976 |62 1949 -15 1976 |67 1949 -18 1972 12 66 1991 -10 1989+|57 1991+ -12 2000 |58 1913 -11 2000+|65 1991 -11 2000 13 64 1975 -9 1958+|62 2015 -17 1961 |61 2015 -16 1958+|65 2015 -15 1903 14 62 2008+ -12 1901 |59 2015 -16 1985+|61 2015 -18 1985 |62 2015 -13 1901 15 73 2021 -16 1989 |73 2021 -15 1989+|69 2021 -19 1989 |75 2021 -16 1989 16 61 2021 -13 1951 |61 1939 -15 1963+|58 1939 -17 1951 |63 2021 -16 1932 17 59 1939 -7 1945 |58 1939 -11 1985 |54 1939 -14 1972 |59 1939 -15 1932 18 63 1939 -15 1983 |57 2002 -21 1985 |60 1877 -19 1985+|65 1939 -16 1985 19 59 1988 -18 1983 |55 1988 -19 1985 |57 1877 -21 1983 |62 1877 -18 1985 20 62 1949 -14 1901 |55 1967 -16 1924 |64 1877 -14 1983+|62 1877 -14 1963 ------ BURLINGTON ---+-- CEDAR RAPIDS --+----- DUBUQUE ----+----- MOLINE ----- 21 62 1967 -18 1989 |57 1967+ -20 1989+|61 1877 -21 1989 |63 1877 -22 1963 22 62 1933 -18 1989 |59 1933 -19 1989 |56 1877+ -19 1983 |58 1933 -21 1963 23 64 1933 -22 1989 |56 1965 -22 1989 |58 1888+ -23 1989 |60 2015 -24 1989 24 66 2021 -20 1983 |58 1893 -18 2013+|67 1889 -25 1983 |65 1889 -19 1983 25 63 2019 -14 1983 |59 2019 -19 2000 |58 1936 -19 1879 |62 2019 -18 2000 26 59 1907 -16 1914 |57 1936 -20 1914 |56 1936 -23 1962 |56 2019+ -19 1962 27 65 1946 -16 1914 |56 1959 -20 1933 |56 1946 -24 1886 |62 1946 -22 1886 28 69 1984 -19 1924 |66 1984 -28 1924 |63 1984 -19 1924+|67 1984 -20 1924 29 66 2022 -15 1917 |60 2022+ -13 1925 |57 2022 -18 1880 |67 2022 -15 1887 30 62 2004+ -15 1917 |60 1965+ -15 1976 |56 2004+ -16 1968 |61 2002+ -10 1909 31 62 1965 -12 2017+|59 1965 -22 2017 |58 1965 -18 1976+|61 1965 -17 1967 =============================================================================== DEC RECORD COLD HIGHS/WARM LOWS DEC RECORD PRECIPITATION ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 01 3 1893 44 1913+| 5 1893 47 1982+ 01 1.70 1985 | 1.52 1985 02 5 1886 56 1982 | 7 1942 58 1982 02 2.00 1982 | 3.11 1982 03 14 1886 48 1998 | 13 1893 56 1998 03 1.35 1990 | 1.11 1873 04 7 1991 53 2001 | 14 1991 59 1998 04 1.30 1973 | 1.40 1973 05 7 2005 53 1998 | 13 2005 53 1998 05 0.77 1943 | 0.65 1909+ 06 3 1977 42 1980 | 7 1977 51 1980 06 0.93 1994 | 1.01 1998 07 1 1882 45 1946 | 5 1882 46 1894 07 1.13 1892 | 1.15 1980 08 1 1917 56 1946 | 6 1927 55 1946 08 0.75 2009 | 0.80 2009 09 -5 1977 50 1946 | 0 1876 56 1946 09 1.03 1953 | 1.08 2003 10 1 1919 41 1889 | 3 1917 44 1899 10 0.67 1970 | 1.50 1970 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 11 3 1962 40 1965 | 7 1962 55 1965 11 1.27 1889 | 1.71 1899 12 2 2000 42 2015 | 5 2000 50 2015 12 0.75 1965 | 1.07 1946 13 -3 1985 47 2015 | 3 1985+ 59 2015 13 2.08 2015 | 1.23 2015 14 -4 1901 41 2014+| -2 1901 46 2014 14 0.76 2011 | 1.01 2011 15 1 1951+ 49 2021 | 3 1932+ 58 2021 15 1.93 1971 | 1.88 1992 16 2 1876 40 2001 | 5 1951+ 42 2001 16 0.92 1921 | 1.61 1921 17 1 1983 43 1877 | 5 1875 50 1877 17 0.52 1895 | 0.43 1921 18 -6 1983 43 1877 | 2 1985 47 1877 18 0.99 1957 | 1.17 1957 19 -7 1983 48 1877 | -3 1983 54 1877 19 0.82 1987 | 1.39 1987 20 0 1963 51 1877 | -1 1963 53 1877 20 0.98 1887 | 1.48 2012 ------- DUBUQUE -----+----- MOLINE ----- ---- DUBUQUE --+-- MOLINE -- 21 -10 1989 47 1918 | -4 1989 47 1877 21 0.51 2006 | 0.69 2006 22 -3 1989 50 1877 | -5 1989 51 1877 22 0.95 1979 | 1.23 1979 23 -13 1983 49 1877 | -8 1983 50 1877 23 0.52 1941 | 0.66 2009 24 -12 1983 47 1889 |-10 1983 49 1982+ 24 1.34 1965 | 1.90 1965 25 -6 1983 49 1936 | -2 1983 50 1936 25 0.68 2009 | 0.72 1957 26 3 1934+ 50 1936 | 0 1892 49 1936 26 1.20 1888 | 3.38 1942 27 3 1925 36 1931+| 2 1925 43 1959 27 1.23 1959 | 1.58 1904 28 -10 1880 46 1984 | -4 1880 53 1987 28 1.11 2019 | 1.28 2019 29 -1 1983 40 1896 | -1 1909 46 2022 29 0.84 1885 | 0.92 1971 30 1 1976 40 1896 | 4 1914 45 2006 30 1.45 1906 | 1.18 1936 31 -8 1968 40 1896 | 0 1968 43 1896 31 0.77 1875 | 1.39 1875 =============================================================================== DEC RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST ----------------- ----------------- | ----------------- ----------------- 1 1877 40.4 1 1985 8.6 | 1 1877 42.1 1 2000 13.1 2 1889 37.4 2 1983 9.6 | 2 1889 39.6 2 1963 13.8 3 1931 35.2 3 2000 10.4 | 3 2015 38.6 3 1983 14.0 4 1923 34.4 4 1963 11.9 | 4 1881 37.5 4 1985 14.9 5 2015 34.2 5 1989 13.2 | 5 1931 37.1 5 1876 15.1 1881 " 6 1876 13.4 | 6 1923 36.8 6 1989 15.6 7 1913 34.1 7 1919 14.3 | 7 1918 35.5 7 1919 17.5 8 1939 33.3 8 1976 14.7 | 8 1982 35.2 8 1909 17.9 9 1918 33.0 9 2010 15.8 | 1913 " 9 1917 18.2 1891 " 1917 " | 10 1891 34.8 10 1950 19.1 11 1875 32.7 1886 " | 11 1959 34.7 11 1886 19.4 12 1941 32.4 12 2008 16.1 | 12 1965 34.5 12 1976 19.5 13 1894 32.3 13 1924 16.5 | 13 2011 34.1 1924 " 14 1959 31.1 14 1909 16.6 | 1941 " 14 1945 19.7 15 1965 31.0 15 1958 16.8 | 15 1875 34.0 15 1914 19.8 1911 " | | WETTEST DRIEST | WETTEST DRIEST ----------------- ----------------- | ----------------- ----------------- 1 2007 4.61 1 1998 0.20 | 1 1982 4.99 1 1900 0.21 2 2015 4.19 2 1995 0.24 | 2 1942 4.81 2 1939 0.30 3 1982 4.14 1939 " | 3 1971 4.77 3 1976 0.34 4 1884 4.08 4 1975 0.30 | 4 2008 4.57 4 1876 0.36 5 1971 4.04 5 1898 0.33 | 5 1987 4.46 5 1908 0.40 6 2009 3.75 6 1913 0.34 | 6 2015 4.20 6 1943 0.41 7 1959 3.37 7 1894 0.35 | 7 1992 3.96 7 1907 0.49 8 1965 3.33 8 1915 0.36 | 8 1873 3.84 8 1995 0.50 9 1987 3.16 9 1989 0.39 | 9 1957 3.82 1958 " 10 1885 3.14 10 1922 0.41 | 10 1973 3.74 1874 " 11 2010 3.09* 11 1900 0.42 | 11 1921 3.72 11 2017 0.52 12 1887 3.07 12 1976 0.45 | 12 1884 3.68 12 1929 0.53 13 2008 3.01* 13 1917 0.52 | 13 2007 3.63 1886 " 14 1953 2.96 1876 " | 14 2009 3.52 14 1955 0.54 15 1990 2.86 15 1929 0.54 | 15 1984 3.51 1913 " | | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY ----------------- ----------------- | ----------------- ----------------- 1 2000 37.6 1 2014 T | 1 2000 32.0 1 1889 0.0 2 2010 27.5 2006 " | 2 1887 22.0 2 2014 T 3 1977 26.4 1939 " | 3 1978 21.7 2002 " 4 2008 24.2 1913 " | 4 2008 21.3 1939 " 5 1969 21.4 1894 " | 5 1977 20.8 1936 -13 " 6 1987 20.9 6 1943 0.2 | 6 2007 19.6 1912 " 7 1961 20.7 7 1912 0.4 | 7 1983 18.9 1894 " 8 2007 20.6 8 2001 0.6 | 8 2009 18.0 8 1986 0.2 9 2009 20.5 1906 " | 9 2010 17.0 1926 " 10 1951 " 10 1928 0.9 | 10 1944 16.9* 10 1971 0.3 11 2012 18.8 11 2011 1.0 | 11 1951 16.7 11 1943 0.4 12 1990 " 1975 " | 12 1909 16.3 12 1982 0.5 13 1985 18.7 13 2004 1.1 | 13 1954 16.2 1900 " 14 2013 18.4 2002 " | 14 1987 15.9 14 1906 0.6 15 1983 " 15 1898 1.3 | 15 1969 15.4 15 2004 0.7 | 16 1997 15.2 1898 " | *1944 may be 13.9 ================================================================================= * NEGATIVE VALUES REPRESENT THE NUMBER OF DAYS OF MISSING DATA. Data marked with * is under review. ================================================================================= ANNUAL RECORDS =============================================================================== DUBUQUE | MOLINE =============================================================================== | WARMEST COLDEST | WARMEST COLDEST ----------------- -------------- | --------------- --------------- 1. 1931 53.3 1. 2014 43.7 | 1. 1931 55.3 1. 1875 45.4 2. 1921 51.8 -. 1875 " | 2. 1921 54.4 2. 1883 46.6 3. 1941 51.4 3. 1951 43.9 | 3. 2016 53.7 3. 1917 46.9 4. 1939 51.2 4. 1978 44.4 | 4. 2012 53.6 4. 1979 47.2 -. 1878 " 5. 1996 44.5 | 5. 1998 53.3 -. 1888 47.2 6. 1938 51.1 -. 1972 " | 6. 2006 53.1 6. 2014 47.3 7. 1946 51.0 -. 1917 " | 7. 1987 52.9 -. 1893 47.3 8. 1934 50.8 8. 1979 44.6 | 8. 2017 52.8 -. 1885 47.3 9. 1894 50.6 9. 2008 45.0 | 9. 2005 52.6 9. 1978 47.6 10. 2012 50.5 10. 1985 45.1 | -. 1938 " 10. 1951 47.7 1998 | | WETTEST DRIEST | WETTEST DRIEST ----------------- --------------- | --------------- --------------- 1. 1961 63.39 1. 1894 19.35 | 1. 1973 56.36 1. 1901 17.33 2. 1965 61.42 2. 1895 19.74 | 2. 1970 51.72 2. 2005 17.89? 3. 1881 55.15 3. 1901 20.37? | 3. 2009 51.25? 3. 1894 18.52 4. 2019 54.87 4. 1917 21.38 | 4. 1993 50.79 4. 1956 20.20? 5. 1959 54.36 5. 1910 21.86 | 5. 1990 50.41 5. 1910 21.94 6. 1967 52.97 6. 1988 22.57 | 6. 2019 49.59 6. 1940 22.85 7. 2018 51.31 7. 1989 22.74 | 1965 " 7. 1886 23.15 8. 1876 50.28 8. 1904 23.03 | 8. 1951 48.60 8. 1897 23.91 9. 1892 48.77 9. 1976 23.58 | 9. 2008 48.59 9. 1958 24.45 10. 1993 48.21 10. 2012 24.07? | 10. 1998 48.29 10. 1976 24.97 | SNOWIEST LEAST SNOWY | SNOWIEST LEAST SNOWY ----------------- --------------- | --------------- --------------- 1. 2008 84.9 1. 1922 13.5 | 1. 1997 71.0 1. 1922 7.1 2. 1959 74.2 2. 2001 15.1 | 2. 1972 63.2 2. 1938 10.4 3. 1983 71.9 3. 2017 15.5 | 3. 2000 62.9 3. 1949 12.6 4. 2000 71.8 4. 1981 16.1* | 4. 1975 57.7 4. 1927 13.0 5. 1951 67.1 5. 1928 16.3 | 5. 2008 57.1 5. 2001 13.5 6. 2019 65.4 6. 1946 18.1 | 6. 2014 54.9 6. 1933 13.6 7. 1975 65.3 7. 2006 18.4 | 7. 2019 54.3 7. 1899 13.9 8. 1977 61.9 8. 2002 18.7 | 8. 1959 53.3 8. 1986 14.5 9. 2007 61.8 9. 1899 19.0 | 9. 1977 52.2 9. 1910 14.6 10. 1994 61.3 10. 1913 19.6 | 10. 2018 51.8 10. 1966 14.8 11. 1933 19.7 | *1981 higher? | | ================================================================================