A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. today into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. today into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >
. HIGHEST ANNUAL PRECIP LOWEST ANNUAL PRECIP
1. 23.09 1957 1. 3.94 2002
2. 20.28 1921 2. 5.00 2012
3. 18.58 1914 3. 5.33 2020
4. 18.36 1942 4. 5.78 1934
5. 18.09 1941 5. 6.14 1908
6. 17.90 1990 6. 6.27 1966
7. 17.47 1895 7. 6.51 1963
8. 17.38 1923 8. 6.66 1956
9. 16.66 2015 9. 6.84 1893
10. 16.17 1919 10. 6.98 1922.
ANNUAL PRECIP: 30 YEAR AVERAGE = 12.04 ANNUAL PRECIP: ALL TIME AVERAGE = 11.78
DECADES
1890's 1900's 1910's 1920's
MAX: 17.47 1895 14.52 1909 18.58 1914 20.28 1921
MIN: 6.84 1893 6.14 1908 8.79 1918 6.98 1922
AVG: 12.06 11.64 12.19 11.63 .
1930's 1940's 1950's 1960's
MAX: 14.22 1930 18.36 1942 23.09 1957 14.37 1961
MIN: 5.78 1934 9.12 1943 6.66 1956 6.27 1966
AVG: 10.23 13.94 11.50 10.46 .
1970's 1980's 1990's 2000's
MAX: 16.05 1979 16.12 1984 17.90 1990 15.83 2009
MIN: 8.28 1971 7.61 1981 11.96 1998 3.94 2002
AVG: 10.77 11.84 14.29 11.70
2010's
MAX: 16.66 2015
MIN: 5.00 2012
AVG: 11.28
.
RECORD ONE-DAY PRECIP HIGHEST ONE-MONTH PRECIP
1. 2.95 Aug 29 1955 1. 8.13 Apr 1900
2. 2.77 Oct 8 1957 2. 7.14 Jun 1921
3. 2.76 Jul 31 2021 3. 6.72 Jul 1895
4. 2.67 May 17 1995 4. 6.17 Apr 1942
5. 2.37 Aug 11 1941 5. 5.85 Aug 1955
6. 2.31 Aug 26 1946 6. 5.55 May 2015
7. May 15 1957 7. 5.43 May 1957
8. 2.29 Apr 5 1900 8. 5.39 Jul 2009
9. 2.28 Aug 7 1982 9. 5.37 Aug 1946
10. 2.24 Jun 24 1979 10. 5.30 Apr 1999
. GREATEST AMOUNT IN 24 HOURS: 3.77 Oct 7-8, 1957
HIGHEST PRECIP FOR MONTHS
Jan Feb Mar Apr
1. 1.45 1948 1. 1.47 1897 1. 3.06 1905 1. 8.13 1900
1. 1.30 1891 2. 1.42 1939 2. 2.94 2000 2. 6.17 1942
3. 1.20 1939 3. 1.39 1987 3. 2.34 1979 3. 5.30 1999
May Jun Jul Aug
1. 5.55 2015 1. 7.14 1921 1. 6.72 1895 1. 5.85 1955
2. 5.43 1957 2. 4.26 1961 2. 5.39 2009 2. 5.37 1946
3. 4.95 2021 3. 3.74 1903 3. 5.27 2021 3. 4.65 1923
Sep Oct Nov Dec
1. 3.93 1909 1. 4.91 1957 1. 2.48 1991 1. 1.35 1913
2. 3.25 1917 2. 2.75 1923 2. 2.43 1957 2. 1.24 1898
3. 2.73 1976 3. 2.56 1941 3. 2.04 1946 3. 1.12 1921
LOWEST PRECIP FOR MONTHS
Jan Feb Mar Apr
1. .00 1933 1. T (19)16, 1. .01 1893 1. T 1963
2. T 1923 52,70 2. .04 2002 2. .02 1955
. 1934 2. .01 (19)26, 3. .05 1910 3. .03 1964
3. .01 1928 91,99 1966 .
1995 2006 .
2003 3. .02 1906 .
May Jun Jul Aug
1. T 1899 1. T 1990 1. .09 1987 1. T 1900
. 2004 2. .05 1939 2. .12 1994 2. .08 1960
2. .06 1918 3. .07 1952, 3. .13 1939 3. .15 1924
3. .22 2002 2012 .
Sep Oct Nov Dec
1. T 1892 1. .00 1933 1. T (19)04, 1. T 1890
. 1916 2. T (19)52, 12,14,49, (19)06,
. 1956 77,80, 66,89, 22,49,
2. .02 1890 88,95, (20)05,12 59,70,
. 1954 2016 2. .01 (19)01, 93,95
3. .03 1895 3. .01 1927 48,59, 2. .01 (19)57,80
. 2015 1934 65,2005 2017
. 1948 3. .02 1917, 3. .02 (19)12,
. 1999, 31,58,
. (20)02 77
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