WELLPINIT, WASHINGTON

Monthly Precipitation - Daily Extreme (inches)

(459058)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200712
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
1923 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.30 0.23 0.70 0.20 0.70 1.30
1924 0.80 0.09 a 0.10 0.00 0.01 0.35 0.70 0.70 0.50 1.05 0.75 0.70 1.05
1925 0.83 0.65 b 0.35 0.50 1.04 0.25 0.00 0.00 0.45 0.30 0.50 0.45 a 1.04
1926 0.70 0.75 b 0.70 0.40 0.20 0.55 0.12 1.00 0.69 0.65 1.20 0.30 g 1.20
1927 0.45 0.90 0.40 0.42 0.60 0.58 0.07 0.32 1.10 0.63 0.60 0.40 1.10
1928 0.24 z 0.16 z 0.45 0.42 0.16 0.60 0.20 0.03 0.02 0.25 0.70 0.40 0.70
1929 0.30 0.03 z 0.45 0.33 0.15 0.47 9999.00 z 9999.00 z 0.10 0.28 9999.00 z 0.86 0.86
1930 0.42 0.35 0.56 0.28 u 0.52 0.45 0.08 0.23 0.14 0.32 0.86 0.26 0.86
1931 0.71 a 0.18 0.57 r 0.08 0.12 v 0.45 q 0.13 0.00 0.61 0.43 0.45 1.46 1.46
1932 0.96 0.36 0.47 0.95 0.87 0.15 0.04 0.15 x 0.16 0.23 0.62 1.30 1.30
1933 0.56 0.37 0.68 0.18 0.83 0.78 0.33 0.35 0.75 0.83 0.30 1.06 1.06
1934 1.01 0.34 0.44 0.33 0.19 0.38 0.52 0.13 1.48 0.93 0.60 0.58 1.48
1935 0.80 0.46 0.31 0.34 w 0.21 0.54 0.18 0.67 0.06 0.94 0.35 t 0.65 s 0.94
1936 0.80 0.46 o 0.23 0.68 0.31 w 1.38 u 0.21 z 0.17 z 0.19 0.32 z 0.09 z 0.42 s 1.38
1937 0.42 o 0.51 p 0.78 0.63 0.27 1.44 0.31 0.32 0.58 0.48 v 1.02 i 1.02 1.44
1938 1.02 q 0.70 q 0.82 s 0.14 w 0.13 0.53 0.22 y 0.50 z 0.10 x 1.50 v 0.49 w 0.78 u 1.50
1939 0.64 r 0.46 q 0.47 t 0.86 z 0.30 w 0.42 l 0.15 z 0.02 z 0.36 z 0.45 y 0.14 z 0.67 r 0.86
1940 9999.00 z 1.34 l 0.82 s 0.42 p 0.24 v 0.19 z 0.42 z 0.09 z 1.45 0.90 0.59 0.70 r 1.45
1941 0.73 0.45 0.52 0.21 0.71 0.43 0.04 0.53 0.81 0.33 0.88 0.92 0.92
1942 0.30 1.00 0.30 0.37 0.74 0.90 0.10 0.16 0.27 0.69 0.82 0.55 1.00
1943 0.30 0.49 0.59 0.60 0.50 0.51 0.30 0.13 0.07 0.99 0.56 0.50 0.99
1944 0.76 0.30 0.39 1.40 0.96 0.37 0.23 0.01 0.52 0.25 0.84 0.36 1.40
1945 0.80 0.65 0.73 0.30 0.77 0.46 0.10 0.18 1.07 0.40 0.58 0.64 1.07
1946 0.75 0.77 0.57 0.52 0.27 0.34 0.27 0.05 0.24 0.95 0.65 0.37 0.95
1947 0.40 0.31 0.67 0.52 0.23 1.17 0.50 0.15 0.80 0.47 0.38 0.62 1.17
1948 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.87 0.40 0.20 0.83 0.24 0.40 0.53 0.87
1949 0.20 0.98 0.54 0.35 0.45 0.22 0.03 0.13 0.69 0.92 0.38 0.38 0.98
1950 0.64 0.73 0.77 0.30 0.39 0.71 0.49 0.19 0.00 1.02 a 0.50 0.47 a 1.02
1951 0.83 0.63 0.45 0.70 0.15 g 0.41 0.14 0.55 0.55 0.68 0.50 1.53 a 1.53
1952 0.56 0.30 0.30 0.18 0.35 0.78 0.15 0.58 0.52 b 0.08 0.43 0.67 0.78
1953 0.65 0.52 0.59 1.39 0.67 0.41 0.09 0.79 0.18 0.25 0.72 0.92 1.39
1954 0.53 0.65 0.40 0.24 0.20 0.72 0.64 0.95 1.30 0.32 0.51 0.77 1.30
1955 0.44 0.23 0.58 0.61 0.41 0.44 0.42 0.00 0.75 0.83 0.53 0.82 0.83
1956 1.07 0.98 A 0.21 0.90 0.25 0.29 1.00 1.08 0.33 0.27 0.35 0.59 1.08
1957 0.21 0.70 A 1.02 A 0.94 1.73 0.53 0.17 0.39 0.33 0.35 0.74 0.34 1.73
1958 0.65 0.92 0.40 0.50 0.58 0.32 0.69 0.10 0.16 0.73 0.75 0.73 0.92
1959 0.90 0.45 A 0.49 A 0.75 0.75 0.67 0.04 0.60 0.89 0.45 0.50 0.65 c 0.90
1960 0.52 0.40 A 0.53 A 0.55 1.82 A 0.10 0.00 0.25 0.70 0.40 0.95 0.80 0.95
1961 0.44 0.65 0.63 1.09 A 0.70 0.41 0.55 0.17 0.14 0.40 0.57 0.76 0.76
1962 0.43 0.22 0.33 1.05 0.43 0.45 0.04 0.31 0.71 1.43 1.27 A 0.76 A 1.43
1963 0.00 0.45 0.50 1.25 A 0.58 A 0.13 0.28 9999.00 z 1.32 A 0.45 0.66 0.89 0.89
1964 0.65 A 0.14 0.20 2.50 0.43 A 0.65 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.25 2.50
1965 1.19 1.00 A 0.18 A 1.19 9999.00 z 0.00 0.45 0.42 0.11 0.00 0.78 A 1.65 A 1.19
1966 9999.00 z 9999.00 z 0.70 A 0.18 0.20 0.54 0.49 0.14 0.61 0.31 1.18 A 1.43 1.43
1967 0.65 0.28 0.51 0.40 0.54 0.23 0.06 0.00 0.15 0.52 1.78 0.76 A 1.78
1968 0.81 A 0.64 A 0.52 A 0.14 0.72 0.27 0.24 0.25 0.20 0.58 1.20 0.81 1.20
1969 0.80 0.91 0.83 0.59 0.31 0.50 0.51 0.00 0.61 0.16 0.41 0.64 0.91
1970 0.96 0.46 0.41 0.20 0.30 0.62 0.52 0.28 0.39 0.49 0.78 0.40 0.96
1971 0.62 0.24 0.78 0.66 0.41 0.38 0.58 0.38 0.39 0.66 0.28 0.58 0.78
1972 0.31 0.38 0.14 0.41 0.58 0.67 0.14 1.35 0.29 0.27 0.40 0.64 1.35
1973 0.60 0.36 0.23 0.27 0.37 0.16 9999.00 z 0.06 0.62 0.38 0.80 1.15 1.15
1974 0.59 0.74 0.58 0.15 0.45 0.20 1.30 0.03 0.24 0.04 0.97 1.14 1.30
1975 0.59 1.13 0.69 0.80 1.14 0.20 0.92 0.52 0.02 0.87 0.48 1.16 A 1.14
1976 0.85 0.66 0.79 0.35 1.12 0.41 0.52 1.22 0.01 0.38 0.25 0.43 A 1.22
1977 0.46 0.23 0.62 0.14 0.47 0.33 0.20 0.51 0.59 0.59 A 1.02 A 1.14 1.14
1978 0.42 0.70 0.35 0.59 1.31 0.22 0.57 1.51 0.78 0.13 0.72 9999.00 z 1.51
1979 0.41 1.66 A 0.59 0.24 0.97 0.82 0.62 0.94 0.46 0.51 0.37 1.10 A 0.97
1980 0.89 0.90 A 0.64 0.65 0.69 b 0.40 0.30 1.00 1.04 0.43 0.78 1.00 1.04
1981 0.51 1.35 A 0.79 0.59 0.80 b 1.05 0.11 0.00 0.50 0.75 A 0.45 a 0.90 A 1.05
1982 0.90 1.29 1.12 1.42 a 0.28 0.65 0.99 0.14 0.90 0.76 0.80 1.45 1.45
1983 0.48 0.47 1.06 0.70 0.68 0.64 0.80 0.48 0.47 0.97 1.64 0.39 1.64
1984 0.50 0.56 0.42 1.10 0.98 1.47 0.17 0.00 0.31 0.00 1.40 0.17 1.47
1985 0.08 1.25 0.10 0.00 0.67 0.38 0.00 0.18 0.37 1.30 0.65 0.66 b 1.30
1986 0.30 a 1.07 0.75 0.71 0.55 0.08 0.23 0.00 1.33 0.60 0.65 0.70 1.33
1987 1.33 0.52 1.30 0.45 0.16 0.74 0.42 0.51 0.00 0.11 0.78 1.20 1.33
1988 1.11 0.20 1.07 0.35 0.79 0.92 0.00 0.00 0.43 0.00 1.30 0.43 1.30
1989 0.26 0.72 0.95 0.80 1.47 0.22 0.44 0.65 0.10 0.90 9999.00 z 0.84 1.47
1990 0.79 0.78 0.34 0.84 0.48 1.60 0.63 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.60
1991 9999.00 z 1.75 A 1.41 A 9999.00 z 1.11 1.03 0.35 9999.00 z 9999.00 z 9999.00 z 0.51 0.81 m 1.11
1992 9999.00 z 9999.00 z 0.19 0.37 9999.00 z 1.00 0.90 0.13 0.01 0.06 a 1.70 A 0.50 1.00
1993 1.22 0.13 b 0.93 A 0.81 A 9999.00 z 9999.00 z 0.98 p 0.30 0.03 0.21 9999.00 z 9999.00 z 1.22
1994 9999.00 z 0.31 a 0.16 0.54 0.79 0.17 b 0.31 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.79
1995 9999.00 z 9999.00 z 1.43 a 0.50 0.51 9999.00 z 0.44 0.12 0.77 0.62 0.70 A 0.04 z 1.43
1996 0.60 b 1.51 A 0.68 0.72 0.96 1.22 A 0.29 0.27 0.34 0.99 a 0.63 g 2.33 A 0.99
1997 1.04 A 0.86 a 1.06 a 0.72 0.70 0.37 0.23 0.85 0.79 0.60 1.03 1.11 1.11
1998 1.06 A 0.37 A 0.98 A 0.83 1.47 9999.00 z 0.29 0.38 0.12 0.29 1.60 A 1.82 c 1.82
1999 1.12 1.13 1.00 0.23 0.54 A 2.02 0.34 0.57 0.00 0.67 1.10 A 2.27 a 2.27
2000 1.19 b 0.80 d 1.53 A 1.12 0.79 1.57 0.70 0.00 1.24 A 0.91 c 0.38 b 9999.00 z 1.57
2001 9999.00 z 9999.00 z 0.35 c 0.76 d 0.63 b 0.73 g 0.46 0.31 A 0.15 0.42 b 1.27 f 1.29 g 1.29
2002 0.44 c 0.59 0.11 b 0.70 a 0.37 c 0.82 c 0.31 A 0.00 0.25 a 0.00 1.44 9999.00 z 1.44
2003 0.77 A 9999.00 z 9999.00 z 9999.00 z 0.65 9999.00 z 0.00 0.20 A 0.58 0.58 A 9999.00 z 9999.00 z 0.65
2004 0.50 f 0.66 A 9999.00 z 0.29 a 0.93 A 0.54 A 0.73 0.67 b 0.64 A 1.36 A 0.49 A 9999.00 z 0.73
2005 0.88 A 0.03 A 2.20 A 0.39 A 0.63 A 0.48 A 0.60 d 0.32 0.40 A 0.55 A 0.65 c 0.40 e 0.65
2006 1.70 A 0.52 A 0.70 A 1.63 A 0.92 A 1.60 A 0.34 A 0.22 0.30 A 2.25 a 9999.00 z 9999.00 z 2.25
2007 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.00 0.62 a 0.40 b 1.00 1.00
Period of Record Statistics
MEAN 0.66 0.62 0.60 0.61 0.63 0.58 0.36 0.38 0.46 0.56 0.71 0.82 1.18
S.D. 0.29 0.35 0.36 0.42 0.37 0.40 0.28 0.37 0.37 0.39 0.34 0.40 0.30
SKEW 0.14 0.74 1.54 1.58 0.99 1.38 0.91 1.19 0.81 1.27 1.10 1.09 1.30
MAX 1.33 1.66 2.20 2.50 1.82 2.02 1.30 1.51 1.48 2.25 1.78 2.27 2.27
MIN 0.00 0.03 0.10 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.20 0.17 0.76
NO YRS 67 69 74 74 73 71 75 72 76 75 67 66 46