National Weather Service United States Department of Commerce

50 years ago, Hurricane Agnes was a tragedy for our area, and the Eastern U.S,. that caused billions in damage & 128 deaths - mostly from flooding. A retrospective look at Agnes, and improvements since then, can be found here.

50 years ago, Hurricane Agnes was a tragedy for our area, and the Eastern U.S., that caused billions in damage & 128 deaths - mostly from flooding. A retrospective look at Agnes, and improvements since then, can be found here. Read More >

Washington National Airport Normals, Means, and Extremes

 

Click on a month below to display the normals, means, and extreme events for temperature and precipitation:

JANUARY FEBRUARY MARCH
APRIL MAY JUNE
JULY AUGUST SEPTEMBER
OCTOBER NOVEMBER DECEMBER

 

 

January

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF JANUARY FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP NS  RMX /YEAR LOMX/YEAR RMN /YEAR HIMN/YEAR MXPCP YEAR MXSN YEAR
01  46  32 0.09 0.1  69 /2005  17 /1918 -14*/1881  53 /2022  1.52 2003  4.5 1899 
02  45  31 0.09 0.1  71 /1876  15 /1918  -1 /1899  52 /1876  1.44 1979  4.5 1925 
03  45  31 0.10 0.1  68 /2004+ 10 /1879  -3 /1877  52 /2000  1.87 1914  6.9 2022 
04  45  31 0.09 0.1  73 /1997  16 /1879  -3 /1877  60*/1950  2.28 1886  2.1 1980 
05  45  31 0.10 0.1  71 /1997  18 /1896  -3 /1877  56 /1950  1.44 1949  4.8 1980 
06  45  31 0.09 0.1  73 /2007  14 /1884   2 /1884  56 /2007  1.35 1905  9.0 1892 
07  45  31 0.10 0.1  76 /1907  18 /1878   5 /1884  55 /1946  1.33 1908 13.0 1996 
08  45  31 0.09 0.1  73 /2008  16 /1942   0 /1878  57 /1998  2.21 1884  6.3 1988 
09  45  30 0.09 0.1  76 /1937  12 /1970   4 /1970  56 /1937+ 1.87 1879  2.9 1926 
10  45  30 0.09 0.1  70 /1950  15 /1982  -3 /1875  50 /1950+ 0.81 1965  3.8 1965 
11  45  30 0.10 0.2  75 /1975  14 /1886   2 /1982  56 /1975  1.72 1922  4.3 1904 
12  45  30 0.09 0.1  76 /1890  15 /1886   3 /1886  57 /2018  2.77*1915  5.0 1893 
13  45  30 0.09 0.2  75 /1932   8*/1912  -8 /1912  60*/1932  1.26 1948  8.3 2019 
14  44  30 0.10 0.2  76 /1932  20 /1912 -13 /1912  52 /1995  1.82 2005  1.6 1957 
15  44  30 0.09 0.1  77 /1932  17 /1893   4 /1886  56 /1995  1.18 1885  8.5 1892 
16  44  30 0.10 0.2  73 /1953  15 /1893   2 /1893  45 /1894  1.00 1909  2.6 2022 
17  44  30 0.09 0.2  74 /1943  10 /1982  -5 /1982  48 /1913  1.09 1994  5.5 1935 
18  44  30 0.09 0.2  69 /1990  21 /1977+ -6 /1893  50 /1990  1.30 1980  3.6 1984 
19  44  30 0.09 0.2  71 /1951   8*/1994  -4 /1994  49 /1986  1.41 1936  7.0 1961 
20  45  30 0.09 0.2  70 /1951  18 /1994  -2 /1985  47 /1900  1.77 1937  3.8 1975 
21  45  30 0.09 0.1  70 /1959  17 /1985  -4 /1985  47 /2017  1.41 1902  3.8 2014 
22  45  30 0.09 0.2  76 /1927  19 /2014   1 /1893  51 /1916  1.49 1987 10.8 1987 
23  45  30 0.10 0.2  72 /1974  16 /1936   0 /1936  50 /1932  1.79 1998 11.3 2016 
24  45  30 0.09 0.2  73 /1950  18 /1948   3 /1963  47 /1950  1.34 1923  9.5 1940 
25  45  30 0.09 0.2  75 /1950  16 /1897   3 /1935  54 /1950  1.66 1978  9.3 2000 
26  45  30 0.09 0.2  79*/1950  17 /1961   5 /1948+ 56 /1950  1.52 2011  6.9 1966 
27  45  30 0.08 0.2  75 /1974  22 /1961   6 /1935  55 /1916  0.99 1967  5.0 1922 
28  45  30 0.10 0.2  73 /1949  18 /1897  -2 /1935  48 /1944  2.15 1922 21.0*1922 
29  45  30 0.09 0.2  76 /1975  16 /1966   2 /1873  46 /1974  1.02 1912 12.0 1966 
30  45  30 0.09 0.2  77 /2002  16 /1934  -6 /1873  52 /2013+ 0.97 1939 11.5 1930 
31  46  30 0.09 0.2  71 /1916  22 /1936  -2 /1905  46 /1916  1.18 1878  5.7 1949 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST.. 7.83" 1937
                                DRIEST....0.31" 1955
                                SNOWIEST..31.5" 1922


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  44.8  MIN  30.1  AVG  37.5  PCP  2.86" SNW 4.9"

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)
MXSNO=DAILY MAX SNOWFALL (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Fri Feb 11 16:00:04 GMT 2022

 

February

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF FEBRUARY FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP NS  RMX /YEAR LOMX/YEAR RMN /YEAR HIMN/YEAR MXPCP YEAR MXSN YEAR
01  46  30 0.09 0.2  77 /2002  19 /1900   6 /1935+ 48 /2012  2.05 2008  8.0 1934 
02  46  30 0.10 0.2  72 /1990  14 /1881   2 /1904+ 46 /1990  2.11 1897  5.3 1996 
03  46  30 0.09 0.3  65 /1927  16 /1905   0 /1895  44 /2006  1.48 2014  9.2 1886 
04  46  30 0.10 0.2  70 /1991  15 /1886   2 /1898  49 /2020  2.02 1998  4.5 1995 
05  46  30 0.09 0.2  74 /2019  13 /1917  -2 /1918+ 52 /1890  0.80 1908  8.7 2010 
06  46  30 0.09 0.2  74 /2008  10 /1895   1 /1895  55 /2008  2.29*1896  9.1 2010 
07  47  31 0.09 0.2  73 /2017  10 /1895   3 /1907  48 /2017  1.29 1951 14.4 1936 
08  47  31 0.09 0.2  74 /2017  12 /1895   0 /1895  51 /2017  1.63 1961  6.4 1961 
09  47  31 0.09 0.2  70 /2001  10 /1899  -7 /1899  46 /1990  1.92 1885  5.4 1906 
10  47  31 0.09 0.1  68 /1960+  4*/1899  -8 /1899  53 /1925  1.06 2018  9.3 1926 
11  47  31 0.09 0.2  76 /1932  12 /1899 -15*/1899  48 /2020  1.91 1983 16.4*1983 
12  48  31 0.09 0.2  74 /1999  11 /1899   4 /1899  51 /1932  1.37 1985  7.0 1899 
13  48  31 0.09 0.2  72 /1951  10 /1899   2 /1917  53 /1880  1.77 1971 12.0 1899 
14  48  32 0.09 0.2  73 /1990  17 /1916   4 /1905  54 /1984  0.98 1940  4.9 1885 
15  48  32 0.10 0.1  77 /1949  18 /1943  -6 /1899  52 /1909  1.38 1958 12.9 1958 
16  49  32 0.09 0.2  75 /1954  18 /1904   5 /1905  54 /1954  2.14 2003 13.3 2003 
17  49  32 0.10 0.2  79 /1976  13 /1958   5 /1958+ 61*/1891  0.91 1982  8.5 1900 
18  49  32 0.10 0.2  77 /2011  15 /1979   3 /1903  52 /2011  1.10 1960  4.7 1979 
19  49  33 0.09 0.1  74 /1939  16 /1903   4 /1903  52 /1981  1.67 1927 14.0 1979 
20  49  33 0.09 0.2  78 /2018  18 /1896   5 /2015  59 /1939  1.45 1921  7.6 1947 
21  50  33 0.09 0.2  82 /2018  21 /1885   7 /1885  56 /2018  1.44 1902  7.5 1929 
22  50  33 0.10 0.1  77 /1874  21 /1963   9 /1963  60 /1874  2.27 2003  4.5 1894 
23  50  33 0.10 0.2  78 /1874  27 /1901+ 11 /1907+ 53 /2017  1.34 1994  6.9 1987 
24  50  34 0.10 0.1  78 /1985  16 /1914   1 /1873  54 /2017  1.67 1979  5.2 1966 
25  51  34 0.09 0.2  84*/1930  21 /1934  -1 /1914  54 /1891  1.19 1886  6.5 1894 
26  51  34 0.10 0.1  74 /1932  24 /1904  12 /1970  56 /1890  1.21 1912  2.7 1993 
27  51  34 0.09 0.2  77 /1997  19 /1934   8 /1934+ 51 /1997  0.91 1958  3.5 1906 
28  52  34 0.10 0.1  82 /1948  27 /1934  -1 /1934  56 /1910  1.13 1902  3.1 1964 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST.. 6.98" 2003
                                DRIEST....0.35" 2009
                                SNOWIEST..35.2" 1899


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  48.3  MIN  31.8  AVG  40.0  PCP  2.62" SNW 5.0"

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)
MXSNO=DAILY MAX SNOWFALL (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Fri Dec  3 06:48:45 GMT 2021

 

March

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF MARCH FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP NS  RMX /YEAR LOMX/YEAR RMN /YEAR HIMN/YEAR MXPCP YEAR MXSN YEAR
01  52  35 0.10 0.1  80 /2017+ 21 /1980  13 /1884  57 /1910  0.92 1954  4.8 1905 
02  52  35 0.10 0.2  77 /1972  25 /1980+ 13 /1925+ 59 /1972  1.65 1994  4.5 2009 
03  52  35 0.10 0.1  79 /1923  26 /1960  11 /1925+ 51 /1991  1.75 1909  7.1 1960 
04  53  35 0.10 0.1  82 /1983  20*/1873   4*/1873  58 /1974  1.24 1993+ 9.8 1909 
05  53  36 0.10 0.1  83 /1976  23 /1872   6 /1872  59 /1880  1.52 1965  4.8 2015 
06  53  36 0.11 0.1  81 /1961  21 /1901  10 /1888  53 /1935+ 1.52 1932  5.2 1923 
07  53  36 0.11 0.1  80 /2022  27 /1932  13 /1890  58 /1921  1.32 1880+ 8.0 1941 
08  54  36 0.12 0.0  85 /2000  28 /1996  14 /1986+ 59 /1921  1.97 1995  5.8 1911 
09  54  37 0.11 0.1  80 /1964  26 /1932  16 /1932  52 /2000  2.79*1881  8.4 1999 
10  54  37 0.11 0.1  79 /2016  31 /1932  14 /1932  57 /2016  1.72 1871  5.3 1907 
11  55  37 0.11 0.1  79 /2021  30 /1934  15 /1960  57 /2016  1.65 1888  6.0 1888 
12  55  37 0.11 0.1  89 /1990  30 /1900+ 11 /1900  55 /1898  2.60 1878  2.0 1968 
13  55  38 0.12 0.1  87 /1990  25 /1888  14 /1896+ 57 /1977  2.29 1993  6.5 1993 
14  56  38 0.12 0.0  86 /1990  28 /1993  13 /1888  59 /1929  1.66 1940  4.0 1937 
15  56  38 0.12 0.1  82 /2012  32 /1932  15 /1993  60 /1990  1.45 1953  8.0 1900 
16  56  39 0.12 0.1  87 /1945  28 /1911  14 /1911  63 /1990  1.79 2007  5.2 1892 
17  57  39 0.12 0.0  88 /1945  25 /1900  13 /1900  56 /1945  1.34 1990  3.9 2014 
18  57  39 0.12 0.1  81 /1989  30 /1941  13 /1900+ 58 /1927  1.00 1983  2.5 1892 
19  57  39 0.12 0.0  87 /1945  27 /1877  12 /1876  57 /2022  2.12 1958  2.3 1906 
20  58  40 0.12 0.1  83 /2020+ 20*/1885  12 /1885  62 /2012  1.95 2003  5.2 1914 
21  58  40 0.11 0.0  89 /1921  31 /1885  10 /1885  59 /2012  2.15 1918  5.3 1924 
22  58  40 0.12 0.1  90 /1907  27 /1885  17 /1892+ 66*/1948  1.83 1891  3.8 1914 
23  59  41 0.11 0.0  93*/1907  28 /1885  16 /1888  64 /1929  1.85 2005  2.8 1934 
24  59  41 0.12 0.0  85 /1907  28 /1906  17 /1885  54 /2021+ 1.69 2021  1.9 1990 
25  60  41 0.11 0.1  84 /1939  33 /1940  19 /1940+ 66*/1913  1.60 1876  1.7 2014 
26  60  42 0.12 0.0  87 /1921  34 /1894  23 /1955  59 /1913  2.16 1978  3.0 1900 
27  60  42 0.11 0.0  86 /1921  34 /1894  20 /1894  62 /1921  1.81 1919  6.0 1891 
28  61  42 0.11 0.0  85 /1945  38 /1891  21 /1894  62 /1908  1.63 1994  6.0 1891 
29  61  42 0.12 0.1  92 /1907  34 /1887  18 /1923  65 /1989  1.64 1912 11.5*1942 
30  62  43 0.12 0.0  87 /1998  38 /1883  21 /1887  64 /1945  1.59 1974  4.8 1964 
31  62  43 0.11 0.0  85 /1981+ 37 /1890  21 /1923  63 /1998  1.82 1886  3.0 1890 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST.. 8.84" 1891
                                DRIEST....0.05" 2006
                                SNOWIEST..19.3" 1914


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  56.5  MIN  38.6  AVG  47.6  PCP  3.50" SNW 2.0"

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)
MXSNO=DAILY MAX SNOWFALL (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Sat Apr  2 16:00:07 GMT 2022

 

April

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF APRIL FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP NS  RMX /YEAR LOMX/YEAR RMN /YEAR HIMN/YEAR MXPCP YEAR MXSN YEAR
01  62  43 0.11 0.0  88 /1978  35 /1887+ 15*/1923  64 /2016  1.67 1948  5.5*1924 
02  63  44 0.11 0.0  89 /1963  41 /1881  23 /1907  57 /1945  1.79 2005  0.5 1887 
03  63  44 0.11 0.0  87 /1963  40 /1896  27 /1906+ 62 /1945+ 2.28 1901  3.5 1915 
04  64  45 0.10 0.0  85 /2011+ 39 /1881  27 /1899+ 66 /1981  0.97 1984  0.2 1944+
05  64  45 0.10 0.0  86 /1910  36 /1881  24 /1881+ 61 /1892  1.32 1905  0.5 1898 
06  65  45 0.10 0.0  92 /1942+ 41 /1881  26 /1898  66 /1947  2.23 1889  4.0 1889 
07  65  46 0.10 0.0  94 /1929  38 /1938  24 /1982  64 /1942  1.04 1988  0.6 1972 
08  65  46 0.11 0.0  93 /1929  41 /2003+ 29 /2007+ 60 /1926+ 2.13 1940  0.5 1916 
09  66  46 0.11 0.0  90 /1959  41 /1917  28 /1972+ 66 /1991  1.53 1906  1.5 1917 
10  66  47 0.10 0.0  91 /2013  41 /1894  28 /1997  66 /1922  1.57 1918   T  1975+
11  67  47 0.10 0.0  91 /1930  38 /1918+ 26 /1909  65 /1922  1.93 1919  2.0 1894 
12  67  47 0.10 0.0  90 /1977  38 /1918  24 /1874  63 /1947  1.99 1913  2.0 1918 
13  67  48 0.10 0.0  90 /1977  41 /1940  26 /1874  63 /2019  2.33 2020  0.1 1957+
14  68  48 0.10 0.0  91 /1960  43 /1943+ 24 /1950  65 /2014  3.04 1970  0.3 1923 
15  68  48 0.10 0.0  89 /1941  40 /1923  28 /1904  63 /2002  2.41 2007  0.2 1923 
16  68  49 0.10 0.0  92 /2002  40 /1935  29 /1928  65 /2017+ 2.09 1929   T  1988+
17  69  49 0.10 0.0  95*/2002  36 /1875  26 /1875  65 /2002  2.74 1910   T  1905 
18  69  49 0.11 0.0  95*/1976  33*/1875  25 /1875  67 /2002  1.40 1924   T  2001+
19  70  50 0.10 0.0  93 /1976  44 /1926  22 /1875  69 /1896  1.75 1877   T  1983+
20  70  50 0.11 0.0  94 /1941  47 /1897  28 /1904  67 /1941  1.71 1940   T  1983+
21  70  50 0.11 0.0  89 /1976+ 47 /1940  31 /1875  64 /2017+ 1.58 1929 
22  71  51 0.11 0.0  93 /1985  47 /1911  30 /1875  65 /1977  1.47 1883   T  1984+
23  71  51 0.11 0.0  95*/1960  43 /1883  33 /1933+ 68 /1977  1.38 1921   T  1986+
24  71  51 0.11 0.0  94 /1960+ 45 /1956  34 /1930+ 65 /1957  1.23 1977   T  2011+
25  71  52 0.11 0.0  93 /1960+ 42 /1876  32 /1883  66 /1960  1.50 1889   T  1919 
26  72  52 0.12 0.0  94 /1915  48 /1893  34 /1883  65 /2016+ 3.21*1889 
27  72  52 0.12 0.0  95*/1915  45 /1928  38 /1933+ 66 /2011  1.64 1954 
28  72  53 0.11 0.0  92 /1957  43 /1898  33 /1898  66 /1990+ 1.40 1923  0.5 1898 
29  73  53 0.12 0.0  91 /2017+ 45 /1874  30 /1874  70*/2017  2.05 1880 
30  73  53 0.12 0.0  92 /1942+ 47 /1912  34 /1874  67 /1983  2.70 2014   T  2015 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST.. 9.13" 1889
                                DRIEST....0.03" 1985
                                SNOWIEST.. 5.5" 1924


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  68.0  MIN  48.4  AVG  58.2  PCP  3.21" SNW 0.0"

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)
MXSNO=DAILY MAX SNOWFALL (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Thu Jun  2 16:00:10 GMT 2022

 

May

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF MAY FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP NS  RMX /YEAR LOMX/YEAR RMN /YEAR HIMN/YEAR MXPCP YEAR MXSN YEAR
01  73  54 0.12 0.0  96 /1942  51 /1963+ 34 /1876  66 /1983  1.42 1976   T  1963 
02  73  54 0.12 0.0  91 /2018  51 /1877  35 /1945  71 /2010  1.36 1949   T  2016 
03  74  54 0.13 0.0  91 /1965  51 /1897  36 /1909+ 70 /2010  2.41 1936 
04  74  54 0.13 0.0  93 /1928  48 /1874  39 /1986  69 /2018  1.77 1922 
05  74  55 0.12 0.0  94 /1928  46*/1917  39 /1926+ 66 /1887  3.24*1953   T  1993 
06  74  55 0.13 0.0  93 /1950  50 /1908  37 /1911  67 /1949  1.27 1912 
07  74  55 0.12 0.0  95 /1930  50 /1958  38 /1970  67 /2000+ 2.35 1886 
08  75  56 0.13 0.0  92 /1936  51 /1917+ 39 /1974+ 69 /2000+ 2.14 1886 
09  75  56 0.12 0.0  96 /1963  52 /2020+ 34 /1947  70 /2000  2.22 2008   T  1923 
10  75  56 0.13 0.0  95 /1963  53 /1919  35 /1947  69 /2015+ 1.38 1990   T  1906 
11  75  57 0.12 0.0  94 /1911+ 53 /1924  33*/1906  71 /2015+ 2.63 2008 
12  76  57 0.13 0.0  93 /1914+ 50 /1882  37 /1913  71 /2015  2.11 1932 
13  76  57 0.13 0.0  95 /1881  50 /1882  39 /1878  76 /1881  2.81 1897 
14  76  57 0.13 0.0  93 /1956  50 /1878  41 /1928  70 /2004  1.49 2018   T  2010 
15  76  58 0.13 0.0  94 /1962+ 54 /1878  40 /1939  68 /1983  1.28 1949 
16  76  58 0.12 0.0  93 /1911  55 /1895  38 /1920  71 /1976  2.25 2014   T  1988 
17  77  58 0.13 0.0  92 /1974+ 53 /2003  40 /1956+ 70 /2015  1.24 1947 
18  77  59 0.13 0.0  96 /1877  55 /2003  40 /1973  72 /2015  1.38 1936 
19  77  59 0.13 0.0  96 /1997+ 55 /1981  43 /1976  72 /2015  3.15 1900 
20  77  59 0.13 0.0  96 /1996  55 /1954  42 /2002  73 /2019  2.63 2005 
21  78  60 0.13 0.0  95 /1934  52 /1895  41 /1907  73 /2022  1.79 1909 
22  78  60 0.13 0.0  96 /1941  54 /1909  39 /1907  71 /1959  2.20 1975 
23  78  60 0.13 0.0  97 /1925  57 /2003+ 45 /1961+ 74 /2021+ 2.34 1913 
24  78  60 0.13 0.0  92 /1964+ 57 /1877  41 /1905  72 /2004+ 1.97 1897 
25  79  61 0.13 0.0  94 /1880  54 /1925  42 /1877  71 /2012  2.17 1997 
26  79  61 0.13 0.0  96 /1880  54 /1992  42 /1899  74 /1991  1.65 2009 
27  79  61 0.13 0.0  95 /1965+ 57 /1996  42 /1915  75 /2015+ 1.50 1885 
28  80  62 0.12 0.0  97 /1941  58 /1968  42 /1961  75 /1991  1.56 1982 
29  80  62 0.13 0.0  97 /1991+ 58 /1893  41 /1894  74 /2019+ 1.38 1990 
30  80  62 0.13 0.0  98 /1991  57 /1915  44 /1884  74 /1991  1.68 1948 
31  80  63 0.12 0.0  99*/1991  58 /1953  44 /1938  78*/1991  2.25 1889 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST..10.69" 1953
                                DRIEST....0.41" 1939
                                SNOWIEST..TRACE 2016


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  76.5  MIN  58.0  AVG  67.2  PCP  3.94" SNW 0.0"

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)
MXSNO=DAILY MAX SNOWFALL (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Wed Jun  1 21:03:56 GMT 2022

 

June

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF JUNE FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP  RMX /YEAR LOMX/YEAR  RMN /YEAR  HIMN/YEAR MXPCP  YEAR
01  81  63 0.13   98 /2011  54 /1907   45 /1938+  76 /2011  2.49  2015 
02  81  63 0.12   97 /1925+ 53 /1907   43*/1897   78 /1895  3.48  1900 
03  81  64 0.13   99 /1925  58 /1997   45 /1910   75 /1895  1.97  1963 
04  82  64 0.13   99 /1925  60 /2003   46 /1929+  73 /1989+ 1.49  2008 
05  82  64 0.13  100 /1925  57 /1926   48 /1926   76 /1943  1.58  1957 
06  82  65 0.14   97 /1925  52*/1894   46 /1945+  75 /1981  1.61  1877 
07  83  65 0.13   98 /2008+ 56 /1891   47 /1894   76 /2021  3.47  1947 
08  83  65 0.14   99 /2011  60 /1897   49 /1977+  77 /1999+ 2.84  1900 
09  83  66 0.13  102 /2011+ 59 /1955   45 /1913+  79 /2011  2.19  1990 
10  84  66 0.14  100 /1964  59 /1904   46 /1913   76 /2020  2.77  2013 
11  84  66 0.13  101 /1911  57 /1907   45 /1913   74 /2020+ 2.08  1884 
12  84  67 0.14   95 /2017+ 62 /1907   50 /1907+  77 /2015  2.23  1968 
13  85  67 0.15   96 /1954  59 /1907   51 /1887   75 /2017+ 2.04  1939 
14  85  67 0.15   98 /1994  62 /1933+  49 /1933   78 /2015  2.69  1917 
15  85  68 0.14  101 /1994  65 /1961+  47 /1933   78 /2015  2.28  1880 
16  86  68 0.14   99 /1994  60 /1965   50 /1917   80 /1981  1.64  2001 
17  86  68 0.15   99 /2022  63 /1900   50 /1926   76 /1952+ 2.22  1878 
18  86  68 0.14   97 /1944  69 /1947+  51 /1965+  77 /2014+ 1.87  1878 
19  86  69 0.13   99 /1994  70 /1932+  51 /1909   77 /2018  2.01  1944 
20  87  69 0.14   99 /1931  65 /1999   51 /2022   77 /1975  2.37  2015 
21  87  69 0.14   99 /2012  69 /1918   51 /1940   78 /2012  6.11* 1972 
22  87  70 0.14  101 /1988  67 /1972   51 /1992+  78 /2015  4.16  1886 
23  87  70 0.14   98 /1988+ 64 /1972   51 /1918   78 /1988  1.34  1989 
24  88  70 0.15  100 /2010  60 /1936   46 /1902   78 /2010  1.66  1886 
25  88  70 0.15  100 /1997  68 /1896+  53 /1902   76 /2010+ 5.19  2006 
26  88  70 0.15  101 /1952  67 /1918   56 /1979   77 /1952+ 4.22  2006 
27  88  71 0.15   99 /2010  66 /1893   57 /1927+  80 /1952  2.75  2015 
28  89  71 0.15  100 /1969  66 /1974   54 /1927   79 /1959  2.95  1914 
29  89  71 0.15  104*/2012  64 /1888   54 /1888   81 /1959  2.05  1963 
30  89  71 0.15  100 /1959  70 /1902   50 /1919   82*/1991  1.65  1921 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST..14.02" 2006
                                DRIEST....0.86" 1940


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  85.1  MIN  67.5  AVG  76.3  PCP  4.20" 

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Fri Jun 24 16:00:06 GMT 2022

 

July

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF JULY FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP  RMX /YEAR LOMX/YEAR  RMN /YEAR  HIMN/YEAR MXPCP  YEAR
01  89  71 0.16  102 /1901  70 /1936   54 /1988+  79 /1977  2.05  1884 
02  89  72 0.15  101 /1898  68 /1886   55 /1940   79 /2012+ 2.88  1920 
03  89  72 0.15  101 /1966+ 67 /1933   53 /1918   80 /2018  1.72  1978+
04  89  72 0.14  100 /1919  68 /1941   52*/1933+  80 /2018+ 2.18  2004 
05  89  72 0.14  102 /1999  71 /1882   53 /1909   81 /1999  3.68  1905 
06  90  72 0.14  103 /1999  70 /1909   57 /1979+  83 /1999  1.26  1971 
07  90  72 0.14  105 /2012  74 /1948   56 /1906   82 /2012  2.04  2020 
08  90  72 0.15  102 /2012  62*/1891   54 /1892+  80 /2010  3.44  2019 
09  90  72 0.15  104 /1936  72 /1883   55 /1891   82 /1981  4.69* 1970 
10  90  72 0.15  105 /1936  74 /1890   54 /1894   81 /1993  2.98  1888 
11  90  73 0.14   99 /1988+ 68 /1895   54 /1898   79 /1989  1.79  1906 
12  90  73 0.14   99 /1908  73 /1898   53 /1895   78 /2021  2.93  1903 
13  90  73 0.15  100 /1954  70 /1990   56 /1888   79 /2017  3.37  1922 
14  90  73 0.14  100 /1954  72 /1963   55 /1904   77 /1994+ 2.93  1912 
15  90  73 0.15  100 /1988  68 /1926   56 /1895   79 /1995+ 1.82  1921 
16  90  73 0.15  104 /1988  75 /1962   56 /1930+  84*/1983  0.81  1899 
17  90  73 0.15  102 /1980  72 /1945   56 /1929+  80 /2013+ 2.79  2018 
18  90  73 0.14  103 /1887  72 /1939+  55 /1892   80 /2013+ 2.47  1919 
19  90  73 0.14  102 /1930  76 /1929+  56 /1911+  81 /2013  1.51  1922 
20  90  73 0.13  106*/1930  72 /1875   53 /1890   82 /2015  1.45  1969 
21  90  73 0.14  104 /1926  71 /2012   56 /1909+  82 /1987  4.00  2018 
22  90  73 0.14  103 /1926  70 /1905   53 /1890   83 /2011  4.35  1969 
23  90  73 0.13  102 /2011  69 /1894   56 /1890   84*/2011  2.60  1940 
24  90  73 0.13  101 /2010  69 /1997   57 /1947   84*/2011  2.20  1904 
25  90  73 0.12  100 /2016+ 70 /1904   58 /1915+  81 /2016  3.27  1917 
26  90  73 0.13  103 /1930  71 /2002+  54 /1920   80 /2016  3.25  1886 
27  90  73 0.13  100 /1940  74 /1901   55 /1920   81 /2016+ 2.32  1873 
28  89  73 0.12  100 /1997+ 74 /1984   56 /1920   80 /1949  3.31  2017 
29  89  73 0.13  104 /2011  68 /2001   58 /1920   80 /2011+ 2.34  1877 
30  89  72 0.13   99 /1953  68 /1972   56 /1914   81 /2011  4.25  1878 
31  89  72 0.13  103 /1954  70 /1918+  52*/1895   80 /2011  3.18  1889 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST..11.06" 1945
                                DRIEST....0.82" 1872


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  89.6  MIN  72.4  AVG  81.0  PCP  4.33" 

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Fri Dec  3 06:41:11 GMT 2021

 

August

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF AUGUST FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP  RMX /YEAR LOMX/YEAR  RMN /YEAR  HIMN/YEAR MXPCP  YEAR
01  89  72 0.11  100 /2011  66 /1903   54 /1895   79 /2006+ 2.84  1948 
02  89  72 0.12  100 /2002  66 /1875   55 /1895   80 /2006  6.14  1944 
03  89  72 0.11  101 /2006  70 /1927+  56 /1920   81*/2006  1.62  1971 
04  89  72 0.12  102 /1930  73 /1912   54 /1912   79 /2012  2.48  2020 
05  89  72 0.11  102 /1930  69 /1925   54 /1912   80 /1989  2.15  1878 
06  89  72 0.11  106*/1918  74 /2013+  53 /1912   78 /2012+ 2.59  1946 
07  89  72 0.11  104 /1918  70 /1935   58 /2004+  78 /2007  1.85  1885 
08  89  72 0.10  102 /2007  72 /1942+  54 /1903   80 /2007  4.03  1942 
09  89  72 0.11  102 /1930  70 /1908   57 /1989   80 /1980  2.71  1905 
10  89  72 0.10   98 /2010+ 71 /1962   55 /1919+  78 /1980+ 1.64  1878 
11  89  72 0.09  101 /1900  69 /1989+  56 /1879   80 /2010  5.97  1928 
12  88  72 0.10   99 /2016+ 66 /1913   55 /1889   81*/2016  5.44  1955 
13  88  72 0.10  101 /2016+ 70 /1919   55 /1930+  81*/2016  1.73  1896 
14  88  71 0.09  100 /2016+ 67 /1903   55 /1941+  80 /2016+ 2.52  1927 
15  88  71 0.10  103 /1988  67 /1899   51 /1963   78 /2005  1.16  2016 
16  88  71 0.10  102 /1997  66 /1883   54 /1921   78 /1997  1.97  1872 
17  88  71 0.10  105 /1997  69 /1923   51 /1902   80 /1995  2.39  1879 
18  88  71 0.10   98 /2002  68 /1918   54 /1902   79 /2021+ 1.67  1875 
19  88  71 0.10   98 /2019+ 67 /1957   53 /1924   78 /2019+ 3.74  1950 
20  88  71 0.10  101 /1983  67 /1926   50 /1896   78 /2002  4.83  1963 
21  87  71 0.10  100 /1874  65 /1926   53 /1908   76 /2011+ 2.46  2018 
22  87  71 0.10   99 /1983  69 /1931   51 /1923   79 /1959  1.41  1955 
23  87  70 0.11   98 /1936  65 /1931   52 /1925+  78 /2002+ 6.39* 1933 
24  87  70 0.11   98 /1968  64 /1875   49*/1890   77 /1968  3.47  1967 
25  87  70 0.11   97 /1998+ 65 /1940   54 /1942+  77 /1978  3.92  1905 
26  87  70 0.11   97 /1948  61*/1908   51 /1942   77 /2016+ 2.03  1999 
27  86  70 0.11  100 /1987  63 /1908   51 /1885   79 /1959  3.79  1971 
28  86  70 0.11   99 /1948  64 /1915   50 /1874   78 /2018+ 3.09  1914 
29  86  69 0.10   98 /1973+ 64 /1891   49*/1986   79 /2018  2.84  1875 
30  86  69 0.11   99 /1953  62 /1911   50 /1986+  78 /2018  2.01  1978 
31  86  69 0.10  100 /1953+ 63 /1911   49*/1934   78 /1980  1.98  1940 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST..14.41" 1928
                                DRIEST....0.55" 1962


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  87.8  MIN  71.0  AVG  79.4  PCP  3.25" 

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Fri Dec  3 06:41:11 GMT 2021

 

September

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF SEPTEMBER FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP  RMX /YEAR LOMX/YEAR  RMN /YEAR  HIMN/YEAR MXPCP  YEAR
01  85  69 0.12   99 /1980+ 61 /1893   50 /1890   77 /1980+ 2.82  1952 
02  85  68 0.13  101 /1980  64 /1935   50 /1895+  78 /1980  5.16* 1922 
03  85  68 0.13   98 /1953  68 /1926   48 /1909+  79*/1993  1.67  1974 
04  85  68 0.13   96 /2019  67 /1926   49 /1908+  79*/2018  4.49  1939 
05  84  68 0.13   97 /1881  63 /1928   50 /1902   78 /2018+ 4.45  1935 
06  84  67 0.12   98 /1954  60 /1928   47 /1909   78 /2018  3.50  2008 
07  84  67 0.13  104*/1881  60 /1888   46 /1924   76 /1985+ 3.78  1934 
08  83  67 0.13  100 /1939  63 /1918+  52 /1988   76 /1985  2.93  1969 
09  83  67 0.13   98 /1872  58 /1880   48 /1901   78 /2016  1.59  2018 
10  83  66 0.13   98 /1983  62 /1924   44 /1883   77 /2016  2.88  2020 
11  82  66 0.13   98 /1983  60 /1883   40 /1917   76 /2013  1.85  1882 
12  82  66 0.13   98 /2019  63 /1914+  41 /1917   75 /1983  4.02  1934 
13  82  65 0.13   94 /1925+ 63 /1964   44 /1917   74 /2008  2.51  1944 
14  81  65 0.14   95 /2016  63 /1913   46 /1911   75 /2008+ 4.07  1966 
15  81  65 0.14   97 /1930+ 58 /1963   43 /1902+  75 /2005  2.52  1904 
16  81  64 0.15   96 /1991  63 /1963   44 /1902   75 /2005  4.76  1976 
17  80  64 0.14   96 /1991  60 /1945   44 /1923   75 /1991  3.26  1876 
18  80  63 0.14   91 /1927+ 56 /1875   45 /1937   73 /2018+ 2.28  2003 
19  80  63 0.14   96 /1895  58 /1875   44 /1916   73 /2016+ 1.23  1875 
20  79  63 0.13   94 /1895  62 /1901   41 /1916   73 /1965  1.43  1938 
21  79  62 0.13   96 /1895  60 /1918   41 /1956   74 /1989+ 2.18  1979 
22  79  62 0.12   98 /1895  57 /1904   39 /1904   75 /1965  1.53  1994 
23  78  62 0.12   98 /1895  56 /1925   36*/1904   74 /1980  2.40  1907 
24  78  61 0.13   99 /2010  54 /1887   39 /1963   75 /1970  1.98  1883 
25  77  61 0.12   95 /1930  57 /1887   39 /1963   74 /2010  3.46  1975 
26  77  60 0.13   96 /1930  54 /2000   38 /1879   72 /2018+ 2.25  1902 
27  77  60 0.13   95 /1998  53 /1956   40 /1879   73 /1881  3.17  1985 
28  76  60 0.13   91 /1886  52*/1984   42 /1947+  73 /1881  2.46  2004 
29  76  59 0.13   93 /1954  57 /1888   40 /1942   73 /1959  2.68  1924 
30  75  59 0.14   91 /1986+ 55 /1928   38 /1942   73 /1881  4.66  2010 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST..17.45" 1934
                                DRIEST....0.11" 2005


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  80.7  MIN  64.1  AVG  72.4  PCP  3.93" 

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Fri Dec  3 06:41:11 GMT 2021

 

October

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF OCTOBER FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP NS  RMX /YEAR LOMX/YEAR RMN /YEAR HIMN/YEAR MXPCP YEAR MXSN YEAR
01  75  58 0.12 0.0  93 /1941+ 56 /1899  36 /1899  73 /1954  2.27 1915 
02  75  58 0.12 0.0  98*/2019  52 /2011+ 33 /1899  73 /2019  1.74 1976 
03  74  58 0.12 0.0  92 /1879  53 /2011+ 35 /1899  73 /2019  1.92 1927 
04  74  57 0.12 0.0  94 /1954  56 /1998  34 /1974  74 /1941+ 3.98*1877 
05  74  57 0.12 0.0  96 /1941  53 /1948  37 /1935  74 /1898  2.53 1932   T  1892 
06  73  56 0.12 0.0  93 /1941  45 /1935  35 /1881  72 /1941  1.47 1957 
07  73  56 0.12 0.0  95 /1941  50 /1889  34 /1917  71 /2018+ 3.63 2005 
08  72  55 0.12 0.0  91 /2007  54 /1910+ 36 /1964+ 75*/2017  3.67 2005 
09  72  55 0.11 0.0  94 /2007  48 /1917  34 /1889  74 /2017  1.02 1977 
10  72  55 0.12 0.0  92 /1939  46 /1925  30 /1895  73 /2018  2.15 1971  0.3 1979 
11  71  54 0.11 0.0  90 /1919  49 /1888  33 /1906  70 /2018  2.76 2013 
12  71  54 0.11 0.0  89 /1962  44 /1891  31 /1906  68 /1983  1.53 1927 
13  71  53 0.12 0.0  89 /1954  49 /1891  31 /1906  72 /1990  1.82 1893 
14  70  53 0.12 0.0  87 /1975  49 /1889  32 /1875  67 /1990+ 3.36 1995 
15  70  53 0.12 0.0  87 /1975  49 /1876  32 /1874  67 /2008  2.59 1942 
16  69  52 0.12 0.0  89 /1897+ 45 /2009  30 /1876  67 /1947  1.38 2002 
17  69  52 0.12 0.0  86 /1938+ 47 /2009  33 /1893+ 68 /1928  2.52 1932 
18  69  51 0.12 0.0  85 /1938+ 51 /1927  34 /1876  68 /1947+ 1.67 1990 
19  68  51 0.12 0.0  88 /1938  45 /1972  30 /1880  65 /2016+ 2.73 1906  0.1 1940 
20  68  51 0.12 0.0  86 /1969  42 /1940  31 /1972  68 /2016  2.97 1910  1.4 1940 
21  68  50 0.13 0.0  85 /1947  49 /1913  30 /1974+ 64 /1984+ 2.02 1904 
22  67  50 0.12 0.0  84 /1979+ 45 /1925  29 /1895  69 /1984  1.54 1937+
23  67  49 0.11 0.0  85 /1978+ 40*/1889  33 /1969+ 69 /2007  3.31 1878   T  1889 
24  67  49 0.12 0.0  84 /2012+ 49 /1909+ 29 /1969+ 64 /1908  2.01 1926 
25  66  49 0.12 0.0  80 /2021+ 48 /2005  31 /1937  65 /1971  3.12 1872 
26  66  48 0.11 0.0  82 /1978+ 44 /1962  28 /1879  63 /2010+ 2.65 2007 
27  65  48 0.12 0.0  83 /1963  44 /1936  30 /1962  68 /2010  1.75 1937   T  1957 
28  65  48 0.11 0.0  87 /1919  47 /1976  27 /1936  66 /1984  2.03 1972 
29  65  47 0.12 0.0  82 /1918  42 /2011  30 /1976+ 65 /1946  3.85 2012   T  2011+
30  64  47 0.12 0.0  82 /1996+ 41 /2002  26*/1873  64 /1918  1.02 1898  2.0*1925 
31  64  46 0.11 0.0  85 /1950  41 /1925  26*/1917+ 66 /1971  1.30 1895  0.2 1925 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST.. 9.41" 2005
                                DRIEST....TRACE 1963
                                SNOWIEST.. 2.2" 1925


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  69.4  MIN  52.2  AVG  60.8  PCP  3.66" SNW 0.0"

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)
MXSNO=DAILY MAX SNOWFALL (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Fri Dec  3 06:41:11 GMT 2021

 

November

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF NOVEMBER FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP NS  RMX /YEAR LOMX/YEAR RMN /YEAR HIMN/YEAR MXPCP YEAR MXSN YEAR
01  64  46 0.10 0.0  86*/1974  48 /1992+ 27 /1893  68*/1971  1.79 1932   T  1994+
02  63  46 0.11 0.0  85 /1971  42 /1951+ 28 /1923  68*/1971  0.99 1940 
03  63  45 0.11 0.0  83 /2016  39 /1875  29 /1917+ 64 /1977  0.93 1962   T  1951 
04  62  45 0.10 0.0  84 /1974  39 /1879  26 /1879  67 /1977  2.30 1970  4.0 1910 
05  62  45 0.11 0.0  81 /2003+ 41 /1891+ 20 /1879  66 /1977  1.44 2018  2.5 1891 
06  62  44 0.10 0.0  80 /2015  39 /1953  26 /1967  65 /1938  2.58 1963  6.5 1953 
07  61  44 0.10 0.0  77 /1975+ 42 /1886  27 /1930  63 /1938  2.00 1997  0.1 1953 
08  61  44 0.10 0.0  81 /1975  39 /1886  27 /1930  63 /1975+ 2.95*1943   T  2012+
09  61  43 0.10 0.0  79 /1994  40 /1892  26 /1976  64 /1895  1.40 1889  0.5 1900 
10  60  43 0.10 0.0  76 /2020+ 41 /1933  27 /1914  60 /1975+ 1.77 1990   T  1987+
11  60  43 0.09 0.0  78 /1949  35 /1987  26 /2017+ 61 /2020  2.02 2020 11.5*1987 
12  59  43 0.10 0.0  77 /1912+ 41 /1907  24 /1926  61 /1935  2.06 2004  0.6 1976 
13  59  42 0.08 0.0  80 /1879  31 /1911  22 /1911  60 /1879  1.76 1904  4.0 1904 
14  59  42 0.09 0.0  77 /1985+ 35 /1908+ 19 /1920  59 /1929  1.56 1972  3.5 1908 
15  58  42 0.09 0.0  83 /1993  34 /1933  20 /1905  61 /1993+ 1.90 1871  1.4 2018 
16  58  41 0.09 0.0  76 /2001+ 30 /1933  19 /1933+ 58 /1930+ 2.17 1920   T  1995+
17  58  41 0.09 0.0  77 /1896  35 /1924  17 /1933  64 /1930  2.04 1927   T  1992+
18  57  41 0.09 0.0  80 /1921  33 /1924  21 /1959+ 65 /1928  0.90 1926   T  2008+
19  57  41 0.09 0.0  77 /1928  33 /1880  18 /1891  59 /2015+ 1.47 2003  2.3 1955 
20  57  40 0.10 0.0  79 /1942  33 /1873  20 /1901  60 /1985+ 1.83 1952  0.5 1961 
21  56  40 0.09 0.0  79 /1900  28 /1879  18 /1872  61 /1991+ 2.52 1952   T  2008+
22  56  40 0.10 0.0  77 /2007  28 /1880  12 /1880  60 /1883  1.23 1985  1.6 1989 
23  55  39 0.09 0.0  75 /1979  29 /1880  12 /1880  60 /1883  1.52 1884  1.9 1989 
24  55  39 0.10 0.0  74 /2014+ 31 /1956+ 13 /1880  60 /1979  2.83 1877  1.5 1909 
25  55  39 0.10 0.1  79 /1973  34 /1938+ 18 /1950  60 /1979  1.78 1950  6.8 1938 
26  54  39 0.10 0.0  74 /1979  29 /1880  17 /1950  55 /1946  1.52 1999  2.2 1898 
27  54  38 0.10 0.0  75 /1896  30 /1930+ 14 /1938  60 /1896  1.82 1944  2.3 1978 
28  54  38 0.09 0.0  74 /1973  26 /1930  15 /1930  55 /2001+ 2.26 1993  3.0 1892 
29  53  38 0.10 0.0  73 /1905  28 /1891  14 /1930  57 /2001  1.55 1963  0.9 1952 
30  53  38 0.10 0.0  75 /1933  24*/1929+ 11*/1929  62 /2001  2.39 2020  6.9 1967 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST.. 7.57" 2018
                                DRIEST....0.29" 1981
                                SNOWIEST..11.5" 1987


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  58.2  MIN  41.6  AVG  49.9  PCP  2.91" SNW 0.1"

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)
MXSNO=DAILY MAX SNOWFALL (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Fri Dec  3 06:41:11 GMT 2021

 

December

 

DAILY NORMALS AND RECORDS FOR THE MONTH OF DECEMBER FOR WASHINGTON DC

DAILY TEMP NORMALS AND EXTREMES  GREATEST PRECIP FOR CALENDAR DAY

DY NMX NMN NPCP NS  RMX /YEAR LOMX/YEAR RMN /YEAR HIMN/YEAR MXPCP YEAR MXSN YEAR
01  53  38 0.11 0.0  75 /2006  26 /1876  14 /1936+ 56 /1991  1.90 1974   T  2007+
02  53  37 0.11 0.1  73 /1970  25 /1896  15 /1886  53 /1982  1.34 1927  1.8 1952 
03  52  37 0.12 0.0  71 /2012  27 /1886  15 /1976  53 /1982  1.83 1901  1.0 1907 
04  52  37 0.11 0.0  76 /1998  27 /1886  15 /1896+ 57 /1982  1.73 1900 11.1 1957 
05  52  37 0.12 0.1  75 /2001  25 /1886  14 /1886  59 /1973  1.72 1993  6.1 2002 
06  51  36 0.12 0.0  78 /1998  29 /1910  11 /1893  55 /2011  1.47 1884  4.4 1910 
07  51  36 0.11 0.1  79*/1998  29 /1958  10 /1882  58 /1998  3.10*2011  1.0 1910 
08  51  36 0.12 0.0  74 /1978  22 /1882   8 /1882  58 /1951  1.35 1972  3.6 1989 
09  50  36 0.12 0.1  71 /1991  25 /1927+  4 /1876  56 /1980  1.29 2009  1.6 2005 
10  50  36 0.12 0.0  67 /1966+ 22 /1880+  4 /1876  52 /1966  2.23 1878  7.0 1904 
11  50  35 0.12 0.1  70 /2021  21 /1917  12 /1917+ 48 /2021+ 1.66 2008  6.8 1960 
12  50  35 0.12 0.0  71 /1873  23 /1988+ 13 /1988+ 54 /1873  1.36 1959  6.6 1982 
13  49  35 0.11 0.1  71 /2015+ 21 /1960  11 /1960  51 /1991+ 2.43 1909  6.7 1966 
14  49  35 0.12 0.0  70 /1931+ 25 /1904   6 /1904  58 /1901  1.89 1879  3.6 2003 
15  49  35 0.11 0.1  71 /1971  20 /1914   6 /1904  48 /2018  2.55 2018  4.5 1905 
16  49  34 0.11 0.0  74 /1971  21 /1951  10 /1917  53 /1971  1.19 1902  6.0 1973 
17  48  34 0.11 0.1  65 /2021  20 /1876  10 /1876  54 /2021  2.43 1888 11.5 1932 
18  48  34 0.12 0.0  74 /2006  16 /1919  10 /1926+ 50 /2021  2.81 1977  3.0 1945+
19  48  34 0.11 0.1  74 /1924  14 /1884   6 /1884  47 /1984+ 1.34 2009 15.0*2009 
20  48  34 0.10 0.0  66 /1889+ 16 /1884   5 /1942  52 /1895  1.56 1957  5.0 1892 
21  47  34 0.11 0.1  72 /2013  24 /1935+  4 /1942  51 /2013+ 1.38 1905  5.3 1962 
22  47  33 0.11 0.0  72 /2013+ 17 /1989   3 /1872  57 /2013  1.68 1881  8.5 1908 
23  47  33 0.11 0.1  71 /1990+ 22 /1989   7 /1989  57 /1990  1.67 2015  5.6 1963 
24  47  33 0.10 0.1  71 /2015  23 /1989   5 /1983  60*/2015  2.36 1986  6.5 1966+
25  47  33 0.10 0.0  72 /1964  14 /1983   3 /1983  57 /2015  1.41 1945  5.4 1962 
26  47  33 0.10 0.1  72 /1889  18 /1914   4 /1935  52 /1982  1.42 2012 10.0 1890 
27  46  32 0.10 0.1  72 /1971  17 /1925   2 /1914  51 /2015  1.16 1894  3.3 1939 
28  46  32 0.10 0.0  75 /1946  19 /1894  10 /1914  50 /2008+ 1.38 1922  2.0 1993 
29  46  32 0.10 0.1  75 /1984  14 /1880   2 /1917+ 49 /1940+ 2.57 1901  5.0 1935 
30  46  32 0.10 0.1  70 /1990   9*/1917+ -7 /1880  51 /1990  1.81 1877  1.3 1935 
31  46  32 0.09 0.1  70 /1965  12 /1917 -13*/1880  52 /1884  1.68 1975  4.9 1970 

* EXTREME EVENT FOR THE MONTH
+ EVENT ALSO OCCURRED IN PREVIOUS YEARS

MONTHLY PRECIPITATION EXTREMES: WETTEST.. 7.56" 1901
                                DRIEST....0.19" 1889
                                SNOWIEST..16.6" 2009


NORMALS BASED ON PERIOD 1991-2020

MONTHLY NORMALS:  MAX  48.8  MIN  34.5  AVG  41.7  PCP  3.41" SNW 1.7"

KEY...
DY=DAY OF MONTH
NMX=NORMAL DAILY MAX(F)
NMN=NORMAL DAILY MIN(F)
NPCP=NORMAL DAILY PRECIP (IN)
RMX=DAILY RECORD HIGH MAX(F)
LOMX=DAILY RECORD LOWEST MAX(F)
RMN=DAILY RECORD LOW MIN(F)
HIMN=DAILY RECORD HIGHEST MIN(F)
MAXPCP=DAILY MAX PRECIP (IN)
MXSNO=DAILY MAX SNOWFALL (IN)

CALENDAR DAY MEANS/EXTREMES ARE BASED UPON LOCAL STANDARD TIME (LST)
MIDNIGHT-TO-MIDNIGHT.


Last updated: Sun Dec 19 16:00:07 GMT 2021