COLVILLE BASIC, at

Monthly Precipitation - Daily Extreme (inches)

(451630)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1899 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.70 0.95 0.77 0.30 0.95
1900 0.26 0.20 0.48 0.26 0.64 0.21 0.21 0.39 0.40 0.46 0.70 0.74 0.74
1901 0.55 0.50 0.23 0.44 0.69 0.35 0.67 0.07 0.50 0.16 0.86 0.40 0.86
1902 0.32 0.53 0.18 0.50 0.50 0.36 1.13 0.21 0.28 0.17 0.80 0.48 1.13
1903 0.65 0.22 0.55 0.30 1.00 0.84 0.18 0.70 0.45 0.58 0.40 1.10 1.10
1904 0.52 0.40 0.55 0.64 0.31 0.55 0.12 0.23 0.57 0.82 0.43 0.75 0.82
1905 0.65 0.17 0.79 0.18 0.55 0.57 0.68 0.11 0.26 0.56 1.28 0.39 b 1.28
1906 0.81 1.13 0.02 0.02 0.82 0.73 0.74 0.37 0.42 0.38 0.56 0.47 1.13
1907 0.90 0.65 0.40 0.32 0.88 a 0.36 0.07 1.62 0.85 0.37 0.30 0.50 1.62
1908 0.57 0.47 0.18 0.33 0.36 0.33 0.55 0.38 0.00 0.68 0.42 0.53 0.68
1909 0.81 0.50 0.16 0.22 0.78 0.28 0.62 0.00 0.70 0.42 0.76 0.76 0.81
1910 0.42 0.37 0.41 0.19 0.54 0.63 0.08 0.20 0.45 0.42 0.48 0.32 0.63
1911 0.52 0.42 0.18 0.30 0.39 0.54 0.97 0.52 0.42 0.15 0.76 0.57 0.97
1912 0.46 0.34 0.41 0.67 0.00 n 0.00 y 0.78 0.51 0.56 0.55 0.80 0.50 0.80
1913 0.63 0.11 0.22 0.31 0.57 1.28 0.37 0.32 0.50 0.31 0.46 0.51 1.28
1914 0.79 0.56 0.44 0.41 0.48 0.29 0.33 0.00 0.95 0.32 0.61 0.16 0.95
1915 0.24 0.38 0.24 0.62 0.74 0.41 0.37 0.01 0.49 0.38 0.54 0.42 0.74
1916 0.44 0.45 0.78 0.62 0.75 a 0.97 0.70 0.36 0.11 0.15 0.89 0.29 0.97
1917 0.58 0.36 0.11 0.24 0.51 0.35 0.01 0.03 0.38 0.11 0.22 0.42 0.58
1918 0.36 0.33 0.38 0.12 0.38 0.47 0.43 0.70 0.16 0.51 0.67 0.21 0.70
1919 0.78 0.66 0.18 0.34 0.49 0.00 0.09 0.33 0.34 0.26 0.41 0.51 0.78
1920 0.37 0.40 0.18 1.27 0.25 0.36 0.52 0.41 0.33 0.21 0.79 0.31 1.27
1921 0.44 0.99 0.61 0.65 0.21 0.40 0.02 0.00 0.30 0.82 0.69 0.34 0.99
1922 0.46 0.41 0.21 0.69 a 0.18 0.04 0.04 0.32 0.41 0.37 0.21 0.37 0.69
1923 0.52 0.24 0.24 0.48 0.58 0.70 0.79 0.92 0.11 0.40 0.38 0.31 0.92
1924 0.24 0.58 0.18 0.10 0.15 0.18 0.28 0.76 0.25 0.41 0.71 0.41 0.76
1925 0.30 0.43 0.03 0.38 0.51 0.36 0.02 0.10 0.49 0.32 0.28 0.92 0.92
1926 0.47 0.41 0.25 0.18 0.50 0.20 0.29 0.97 0.84 0.66 0.36 0.54 0.97
1927 0.31 0.80 0.20 0.21 0.44 1.14 0.88 0.49 1.60 0.81 0.36 0.93 1.60
1928 0.37 0.42 0.53 0.40 0.36 0.73 0.52 0.09 0.03 0.51 0.31 0.76 u 0.76
1929 0.13 u 0.12 z 0.58 0.62 0.04 0.42 0.00 0.01 0.01 0.10 0.00 0.60 0.62
1930 0.26 0.25 0.47 0.40 0.56 0.49 0.05 0.16 0.25 0.32 0.65 0.16 0.65
1931 0.52 0.16 0.40 0.22 0.35 a 0.90 0.21 0.01 0.47 0.56 0.32 0.63 0.90
1932 0.56 0.27 s 0.84 0.64 0.83 0.26 0.80 0.11 0.12 0.42 0.48 0.78 a 0.84
1933 0.37 0.17 0.53 a 0.10 0.20 0.24 0.10 0.13 0.66 0.57 0.64 0.60 0.66
1934 0.97 0.35 w 0.35 0.41 0.11 0.24 0.10 0.18 0.20 0.56 0.43 0.35 0.97
1935 0.66 0.38 0.27 0.22 0.12 a 0.74 0.72 0.38 0.12 0.51 0.24 0.38 0.74
1936 0.76 0.31 0.12 0.50 0.45 1.22 0.12 0.11 0.68 0.25 0.05 0.28 1.22
1937 0.30 0.62 0.61 0.55 0.19 0.83 0.55 0.33 0.99 0.26 0.54 e 0.71 0.99
1938 0.73 0.48 0.54 0.25 0.31 0.15 0.16 0.12 0.23 1.22 0.31 0.53 1.22
1939 0.53 0.39 0.30 0.35 0.37 0.35 0.07 0.09 0.28 0.37 0.30 0.75 0.75
1940 0.46 0.72 0.54 b 0.52 0.24 0.35 0.21 0.03 1.24 1.85 0.49 0.56 1.85
1941 0.42 d 0.63 0.50 0.24 0.58 0.51 0.08 1.00 0.44 0.12 0.83 0.63 1.00
1942 0.48 0.80 0.16 0.44 1.44 0.47 0.33 0.10 0.02 0.44 0.53 0.29 1.44
1943 0.27 0.28 0.42 0.31 0.28 0.25 0.16 0.55 0.03 0.76 0.28 0.41 b 0.76
1944 0.98 0.27 0.29 0.76 0.48 0.30 0.28 0.00 0.58 0.37 0.70 0.32 0.98
1945 0.38 0.39 0.77 0.36 0.50 0.64 0.12 0.28 1.01 0.58 0.44 0.49 1.01
1946 0.28 0.68 0.28 0.17 0.20 0.51 0.15 0.25 0.31 0.72 0.89 0.30 0.89
1947 0.40 0.55 0.22 0.37 0.36 0.67 0.94 0.27 0.69 0.64 0.22 0.40 0.94
1948 0.45 0.58 0.06 0.49 0.76 0.91 0.70 c 0.84 0.14 0.22 0.56 0.48 0.91
1949 0.19 a 0.90 0.33 0.12 0.55 0.20 0.36 0.78 0.43 0.68 d 0.34 0.30 0.90
1950 0.41 0.44 0.71 0.21 0.14 0.31 0.81 0.22 0.12 0.65 0.42 0.46 0.81
1951 0.61 0.40 0.40 0.30 0.25 0.32 0.14 1.37 0.40 0.55 0.44 0.58 1.37
1952 0.67 a 0.25 0.31 0.22 0.46 1.00 0.00 0.68 0.52 0.04 0.40 0.43 1.00
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 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
1963 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
1964 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
1965 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
1966 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
1967 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
1968 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
1969 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
1970 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
1971 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
1972 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
1973 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
1974 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
1975 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
1976 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
1977 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
1978 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
1979 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
1980 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
1981 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
1982 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
1983 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
1984 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
1985 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
1986 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
1987 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
1988 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
1989 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
1990 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
1991 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
1992 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
1993 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.62 0.90 0.25 0.56 9999.00 z 0.60 0.90
1994 0.58 0.29 0.19 i 0.80 0.78 0.60 0.12 0.17 0.44 0.53 0.53 0.64 0.80
1995 0.64 j 0.33 i 1.13 h 0.03 g 0.94 e 0.25 k 0.20 0.60 0.62 0.39 0.35 0.35 1.13
1996 0.42 0.51 0.20 1.10 1.15 1.03 0.15 0.37 0.22 0.93 1.28 1.12 A 1.28
1997 0.52 0.30 0.37 0.58 0.74 0.50 0.44 0.73 0.70 0.46 0.39 0.35 0.74
1998 0.75 0.40 0.57 0.84 1.69 0.58 0.85 0.30 0.18 0.46 0.95 0.96 a 1.69
1999 0.34 0.96 0.30 0.09 0.51 1.95 0.44 0.20 0.00 0.45 0.30 0.37 1.95
2000 0.54 0.53 0.88 0.75 0.37 0.80 0.12 0.00 0.18 0.65 0.31 0.35 a 0.88
2001 0.30 c 0.31 0.45 a 0.32 0.37 0.62 0.34 0.51 0.20 0.30 0.42 0.82 0.82
2002 0.45 b 0.30 b 0.26 0.31 0.49 0.59 0.36 0.25 0.34 0.05 0.73 1.22 1.22
2003 0.45 a 0.51 0.68 0.52 b 0.42 0.50 9999.00 z 0.17 0.56 a 9999.00 z 9999.00 z 9999.00 z 0.68
2004 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.90 0.43 0.63 0.36 2.02 2.02
2005 0.66 0.50 a 0.65 0.49 0.49 0.59 a 0.62 A 0.50 A 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.66
2006 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 0.37 9999.00 z 0.37
2007 0.27 0.37 0.22 0.14 A 0.50 0.59 0.35 0.25 0.36 0.34 0.32 0.95 0.95
2008 0.59 0.17 0.48 0.15 0.42 0.58 0.18 0.76 0.53 0.44 0.57 0.48 0.76
2009 0.31 0.25 0.42 b 0.30 0.25 0.49 0.97 0.19 0.24 0.63 A 0.54 a 0.41 0.97
2010 0.41 0.45 0.46 0.62 0.45 0.32 0.45 0.32 0.24 0.35 0.74 a 0.60 0.74
2011 0.43 0.26 0.62 0.57 0.98 0.28 1.12 0.02 0.03 0.39 0.57 0.21 1.12
2012 0.41 0.47 1.29 0.59 a 0.16 1.12 1.03 0.00 0.07 0.40 1.08 0.91 1.29
2013 0.64 0.18 0.56 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 0.64
Period of Record Statistics
MEAN 0.50 0.45 0.40 0.41 0.51 0.54 0.40 0.38 0.41 0.48 0.53 0.54 1.00
S.D. 0.18 0.21 0.23 0.24 0.30 0.33 0.32 0.38 0.30 0.28 0.25 0.29 0.31
SKEW 0.65 1.06 0.98 1.05 1.43 1.47 0.62 1.74 1.29 1.90 0.76 2.33 1.22
MAX 0.98 1.13 1.29 1.27 1.69 1.95 1.13 1.90 1.60 1.85 1.28 2.02 1.95
MIN 0.19 0.11 0.02 0.02 0.04 0.00 0.00 0.00 0.00 0.04 0.00 0.16 0.58
NO YRS 69 67 69 68 69 68 70 72 72 71 71 69 58