WELLPINIT, WASHINGTON

Monthly Precipitation - Daily Extreme (inches)

(459058)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
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 9999.00 z 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 f 1.63 d 0.92 e 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.63
Period of Record Statistics
MEAN 0.66 0.66 0.65 0.66 0.69 0.59 0.41 0.40 0.44 0.51 0.75 0.86 1.21
S.D. 0.31 0.37 0.40 0.44 0.38 0.43 0.29 0.38 0.33 0.36 0.37 0.43 0.33
SKEW 0.20 0.62 1.29 1.51 1.15 1.30 0.71 1.10 0.62 0.60 0.98 1.07 1.08
MAX 1.33 1.66 2.20 2.50 1.82 2.02 1.30 1.51 1.33 1.43 1.78 2.27 2.27
MIN 0.00 0.03 0.10 0.00 0.16 0.00 0.00 0.00 0.00 0.00 0.25 0.17 0.76
NO YRS 48 52 54 55 53 51 55 52 51 52 47 46 34