POMEROY, WASHINGTON

Monthly Precipitation - Daily Extreme (inches)

(456610)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1891 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.32 0.20 p 0.52 n 0.52
1892 0.64 r 0.34 0.33 0.35 9999.00 z 0.28 0.02 0.09 0.16 9999.00 z 9999.00 z 9999.00 z 0.64
1893 9999.00 z 9999.00 z 9999.00 z 0.42 9999.00 z 0.08 0.05 9999.00 z 1.03 1.09 0.72 0.68 1.09
1894 1.15 a 0.50 0.83 m 0.69 0.54 0.18 9999.00 z 9999.00 z 0.18 9999.00 z 9999.00 z 9999.00 z 1.15
1895 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.90 9999.00 z 0.19 0.12 9999.00 z 0.00 0.46 0.45 0.90
1896 9999.00 z 9999.00 z 0.60 9999.00 z 0.16 0.24 0.14 1.10 0.17 0.28 0.89 n 0.68 1.10
1897 0.62 t 0.78 o 9999.00 z 0.37 9999.00 z 2.58 0.46 0.04 0.72 0.16 9999.00 z 0.77 2.58
1898 9999.00 z 0.39 0.65 0.22 u 0.95 0.15 0.03 0.23 0.15 0.23 0.87 0.40 0.95
1899 0.40 1.69 0.37 0.36 0.16 0.14 0.01 0.45 0.34 0.89 1.27 0.50 1.69
1900 0.59 1.00 0.60 0.94 0.75 0.25 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.00
1901 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.48 0.15 0.87 t 0.18 1.59 s 0.65 1.59
1902 0.60 0.40 0.20 0.35 0.77 0.23 1.05 0.12 0.44 0.38 0.95 0.71 o 1.05
1903 0.55 k 0.10 0.45 0.41 0.20 0.36 0.40 0.75 0.85 0.28 0.90 0.26 0.90
1904 0.85 0.48 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.85
1905 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1906 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1907 1.30 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.30
1908 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1909 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1910 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1911 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1912 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1913 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1914 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1915 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1916 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1917 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1918 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1919 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1920 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1921 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1922 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1923 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.72 0.91 0.91
1924 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1925 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.72 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.72
1926 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1927 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1928 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.26 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.26
1929 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.07 z 0.06 x 0.53 z 0.12 0.93 0.93
1930 1.13 0.30 0.50 0.24 s 0.49 z 0.32 x 0.04 0.04 0.46 p 0.29 o 9999.00 z 9999.00 z 1.13
1931 9999.00 z 0.23 2.25 0.47 s 0.11 0.34 0.07 0.00 0.31 0.35 0.49 r 0.95 2.25
1932 0.31 0.30 0.82 0.15 0.39 0.25 0.33 0.15 0.00 0.55 1.03 0.40 1.03
1933 1.71 0.72 0.31 a 0.35 0.33 0.48 0.16 0.13 0.41 0.84 0.37 0.81 1.71
1934 0.34 0.07 0.57 0.30 0.55 0.76 0.17 0.06 0.37 0.59 0.45 0.62 0.76
1935 0.16 0.23 0.99 0.45 0.16 0.52 0.05 y 0.16 0.16 z 0.20 0.22 0.48 p 0.99
1936 0.85 m 0.64 0.46 0.22 0.36 0.32 0.07 y 0.04 0.57 0.00 0.05 v 0.34 0.85
1937 0.37 0.27 0.47 0.52 0.20 0.48 0.28 0.17 0.13 0.25 0.24 1.51 1.51
1938 0.30 0.73 0.74 0.14 0.72 0.36 0.14 0.09 0.23 0.94 0.42 0.38 0.94
1939 0.25 0.65 0.76 0.51 0.18 0.10 0.22 0.06 0.07 0.29 0.21 0.64 0.76
1940 0.40 0.78 0.60 0.56 0.22 w 0.31 0.25 0.00 0.58 0.92 0.70 0.31 0.92
1941 0.26 0.43 0.25 0.62 0.65 1.33 0.41 0.44 0.41 0.51 0.90 0.28 1.33
1942 0.77 0.18 0.33 0.28 0.81 0.61 0.45 0.13 0.19 0.65 0.69 0.62 0.81
1943 0.51 0.51 0.47 0.67 0.23 0.43 0.10 0.41 0.29 0.86 0.66 0.80 0.86
1944 0.28 0.38 0.37 0.38 0.38 0.80 0.00 0.09 0.36 0.05 0.25 0.61 0.80
1945 0.47 0.42 0.25 0.47 0.50 0.63 0.00 0.14 0.60 0.33 0.43 0.90 0.90
1946 0.83 0.95 0.48 0.35 0.55 0.52 0.47 0.05 0.46 0.77 0.40 0.61 0.95
1947 0.33 0.40 0.25 u 0.45 0.06 z 1.30 0.25 0.08 1.45 0.97 0.47 0.51 r 1.45
1948 1.23 0.99 0.20 0.42 1.03 0.44 0.48 0.08 0.12 0.18 0.33 0.71 1.23
1949 0.55 0.56 0.19 0.12 0.56 0.15 0.02 0.16 1.03 0.35 0.39 0.71 1.03
1950 0.50 0.40 0.46 0.42 0.42 0.68 0.19 0.06 0.10 1.07 0.70 0.67 1.07
1951 0.40 0.32 0.40 0.27 0.35 0.76 0.22 0.00 0.20 0.44 0.35 0.74 0.76
1952 0.20 0.42 0.20 0.37 0.25 9999.00 z 0.00 0.40 0.25 0.00 0.07 0.40 0.42
1953 1.20 0.70 0.72 0.47 0.40 0.36 0.00 0.53 0.28 0.45 0.47 0.46 1.20
1954 0.65 0.32 0.40 0.30 0.46 0.60 0.11 0.66 0.53 0.55 0.30 0.40 0.66
1955 0.35 0.35 0.25 0.70 0.67 0.12 0.55 0.00 0.75 0.80 0.84 0.75 0.84
1956 0.75 0.15 0.50 0.20 0.40 0.42 0.06 0.87 A 0.12 0.40 0.45 0.56 0.75
1957 0.28 A 0.42 A 0.45 0.28 0.50 A 0.45 0.00 0.23 0.22 0.50 0.36 0.44 0.50
1958 0.75 0.75 0.30 0.53 0.27 0.44 0.10 0.12 0.25 0.49 1.30 1.00 1.30
1959 0.80 0.72 0.25 n 0.08 0.33 A 0.55 0.00 0.92 0.70 0.80 0.28 0.18 0.92
1960 0.32 a 0.53 0.58 0.34 m 0.15 q 0.59 0.06 0.62 0.30 0.30 0.62 0.21 0.62
1961 0.70 0.70 0.74 0.49 0.43 0.34 0.40 0.10 0.34 0.22 0.48 0.27 0.74
1962 0.45 0.30 0.49 0.35 0.62 0.13 0.00 0.20 0.40 0.58 0.70 0.38 0.70
1963 0.18 0.45 0.55 0.38 0.22 0.15 0.28 0.36 0.24 0.31 0.36 0.95 0.95
1964 0.27 0.12 0.28 0.46 0.18 0.64 0.56 0.28 0.07 0.32 1.13 0.74 1.13
1965 0.45 9999.00 z 9999.00 z 0.67 0.54 0.40 0.75 0.56 0.40 0.06 0.29 0.16 0.75
1966 1.10 0.20 0.28 0.05 0.32 0.52 0.60 0.30 1.12 0.37 0.72 0.79 1.12
1967 0.47 0.19 0.58 0.56 0.33 0.78 0.11 0.00 0.25 0.45 0.50 h 0.35 0.78
1968 0.22 0.69 0.42 0.23 0.63 0.23 0.14 0.49 0.83 0.53 0.74 1.21 1.21
1969 1.00 0.36 0.52 0.45 0.69 0.19 0.15 0.00 0.17 0.57 0.12 0.29 1.00
1970 0.90 0.47 0.59 0.23 0.27 0.37 0.60 0.03 0.38 0.60 0.88 0.46 0.90
1971 0.51 0.48 0.41 0.38 0.59 0.80 0.68 0.45 0.63 0.39 0.37 1.14 A 0.80
1972 0.42 A 0.38 A 0.89 0.16 0.55 0.22 0.30 0.27 0.35 0.30 0.33 0.75 0.89
1973 0.33 0.54 0.37 0.18 0.50 0.09 0.04 0.04 0.42 0.90 A 0.52 0.79 0.79
1974 0.45 A 0.46 0.36 0.49 0.45 0.82 9999.00 z 0.30 0.10 0.03 0.58 A 0.53 0.82
1975 0.66 A 0.45 0.60 A 0.20 0.30 0.35 0.28 1.05 0.00 0.75 0.98 0.98 1.05
1976 0.70 1.10 A 0.50 0.37 0.50 0.43 0.15 0.64 0.02 0.20 0.08 0.37 A 0.70
1977 0.11 0.15 0.42 0.16 0.58 0.15 0.09 1.38 0.40 0.14 0.40 0.97 1.38
1978 0.33 0.46 0.32 0.88 0.66 0.20 0.64 0.45 0.52 0.07 0.75 0.85 0.88
1979 0.28 0.90 A 0.46 0.78 0.46 0.64 0.29 0.23 0.07 0.53 0.50 0.67 0.78
1980 0.90 0.19 0.36 0.28 0.65 a 0.30 0.21 0.53 0.85 0.70 0.85 0.59 0.90
1981 0.31 0.55 0.72 0.29 0.50 0.61 0.51 0.05 0.33 0.56 0.64 c 0.60 0.72
1982 0.98 a 0.53 0.53 0.75 0.37 0.14 0.45 0.15 0.72 0.85 0.58 0.52 0.98
1983 0.52 0.82 0.52 0.74 0.58 0.39 1.00 0.32 0.51 0.55 0.51 a 0.50 b 1.00
1984 0.53 0.55 0.40 0.19 0.46 0.32 0.14 0.26 0.10 0.62 0.36 a 0.95 0.95
1985 9999.00 z 0.50 e 0.90 A 0.18 0.35 0.71 0.00 0.21 0.42 0.73 A 0.44 A 0.32 A 0.71
1986 0.71 g 0.59 0.51 0.31 0.57 0.05 0.19 0.40 0.51 0.25 0.54 0.18 0.71
1987 0.28 a 0.23 0.11 0.56 0.47 0.60 a 0.43 0.41 j 0.00 0.00 0.45 A 9999.00 z 0.60
1988 1.45 c 0.51 e 1.09 0.52 A 0.80 0.64 A 0.60 0.00 0.52 0.10 0.50 0.20 1.45
1989 1.00 A 0.85 0.42 0.26 0.58 0.20 0.05 0.82 0.31 0.20 0.46 0.47 a 0.85
1990 0.44 0.21 b 0.36 0.70 0.74 0.27 0.15 0.47 0.04 0.51 0.50 g 0.33 d 0.74
1991 1.13 c 2.02 0.34 c 0.30 a 1.04 A 0.73 c 0.19 1.50 b 0.00 0.13 0.61 A 0.51 2.02
1992 0.43 A 0.45 A 0.16 b 0.74 A 0.29 c 0.39 A 0.63 1.18 0.73 0.22 b 0.40 A 0.18 i 1.18
1993 0.60 A 0.32 A 0.28 A 0.86 A 0.35 0.23 0.27 0.41 0.07 0.21 0.45 0.62 0.62
1994 0.67 0.62 0.46 0.48 f 0.62 0.32 0.40 0.10 0.11 1.38 2.00 c 0.63 a 2.00
1995 0.52 0.40 a 0.86 0.77 0.47 0.79 0.65 0.38 0.39 0.60 0.77 0.50 a 0.86
1996 0.50 9999.00 z 0.51 1.12 a 0.82 0.30 0.25 0.15 0.48 0.85 1.57 1.37 1.57
1997 0.65 0.45 0.58 a 9999.00 z 0.62 0.71 0.62 0.03 0.41 0.95 0.35 0.30 0.95
1998 0.47 0.23 A 0.25 a 0.34 0.45 0.37 0.31 0.45 0.92 0.18 0.67 0.80 A 0.92
1999 0.22 0.54 0.32 0.52 0.43 0.20 0.07 0.72 0.01 0.65 0.60 a 0.24 0.72
2000 0.43 0.65 0.63 0.32 2.00 0.40 c 0.17 0.01 0.85 0.77 0.62 0.30 2.00
2001 0.46 a 0.33 0.46 0.91 0.61 b 0.33 0.42 0.03 0.28 0.63 a 0.29 a 0.40 e 0.91
2002 0.62 0.62 0.53 0.40 0.21 a 0.73 0.15 0.24 0.41 0.40 0.27 0.30 a 0.73
2003 0.92 0.35 0.72 a 0.45 a 0.45 0.07 0.05 0.24 0.33 0.25 0.72 A 1.00 d 1.00
2004 0.80 a 9999.00 z 0.15 0.15 0.30 a 0.80 0.38 0.27 0.31 0.20 0.57 b 0.20 a 0.80
2005 0.30 0.18 0.55 0.32 0.40 0.35 0.35 0.10 a 0.43 a 0.91 0.22 A 0.50 a 0.91
2006 0.56 a 0.19 0.58 0.45 a 0.60 0.53 0.02 0.05 a 0.40 e 0.28 0.67 0.50 0.67
2007 0.65 0.40 0.48 0.25 0.26 0.33 0.40 0.27 a 0.04 0.54 0.75 0.63 0.75
2008 0.72 0.76 0.32 0.30 0.30 a 0.37 0.15 0.21 0.06 0.11 0.40 0.50 a 0.76
2009 1.30 0.60 b 1.82 0.67 0.38 0.22 0.67 0.57 0.04 A 0.50 0.48 0.45 1.82
2010 0.50 b 0.20 0.44 9999.00 z 0.55 9999.00 z 9999.00 z 9999.00 z 0.19 a 0.41 a 0.60 a 0.92 0.92
2011 0.70 A 0.75 0.98 0.56 a 1.05 0.54 c 0.10 b 0.20 a 0.08 0.45 0.34 0.51 1.05
2012 1.65 b 0.43 c 0.98 0.48 0.55 0.96 a 0.23 0.00 0.00 b 1.00 0.47 a 0.80 1.65
2013 0.32 0.15 0.37 a 0.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.37
Period of Record Statistics
MEAN 0.61 0.50 0.52 0.43 0.52 0.45 0.27 0.30 0.37 0.47 0.57 0.60 0.97
S.D. 0.35 0.31 0.31 0.22 0.30 0.34 0.23 0.32 0.29 0.30 0.32 0.28 0.29
SKEW 1.12 2.13 2.89 0.76 2.30 3.06 1.00 1.66 1.12 0.51 1.60 0.73 1.55
MAX 1.71 2.02 2.25 1.12 2.00 2.58 1.05 1.50 1.45 1.38 2.00 1.51 2.00
MIN 0.11 0.07 0.11 0.05 0.11 0.05 0.00 0.00 0.00 0.00 0.07 0.16 0.50
NO YRS 85 89 88 85 88 90 90 90 89 92 84 88 53