date! ,

Monthly Precipitation - Daily Extreme (inches)

(a vali)

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1897 1.18 e 0.26 0.85 0.91 k 0.69 w 1.43 t 2.90 0.70 0.41 t 0.87 v 0.95 9999.00 z 2.90
1898 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.60 1.00 0.80 0.80 0.70 0.20 z 1.60
1899 0.40 0.60 0.60 9999.00 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 0.60
1900 0.23 0.75 0.20 1.90 0.58 2.00 2.50 0.99 z 9999.00 z 1.39 0.50 0.10 2.50
1901 0.40 0.30 0.50 0.80 1.40 0.85 2.01 0.80 1.25 1.50 0.50 a 0.20 z 2.01
1902 0.40 2.00 0.27 1.35 0.47 0.80 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 2.00
1903 9999.00 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
1904 9999.00 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
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 9999.00 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
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 9999.00 z 9999.00 z 9999.00
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 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
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 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1929 9999.00 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
1930 9999.00 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
1931 9999.00 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
1932 9999.00 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
1933 9999.00 z 0.17 0.28 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.29 t 0.86 w 0.86
1934 0.53 z 0.34 z 0.28 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.43 e 0.57 1.43
1935 0.82 d 0.24 b 0.30 s 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.76 e 0.28 n 0.82
1936 0.38 0.60 0.55 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.39 p 1.25 y 1.25
1937 0.65 x 1.96 t 9999.00 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 1.96
1938 0.80 r 0.97 p 0.89 q 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.39 r 0.61 o 0.97
1939 0.87 n 0.45 p 0.26 t 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.38 0.96 a 0.96
1940 0.47 a 0.50 t 0.40 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.56 1.26 1.56
1941 0.59 a 0.16 0.44 i 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.87 0.97 0.97
1942 0.22 0.58 0.55 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.64 0.50 r 0.64
1943 0.25 n 0.22 x 0.50 r 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.04 t 0.00 z 1.04
1944 0.30 x 0.97 u 0.50 t 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.67 r 0.31 z 0.97
1945 9999.00 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
1946 9999.00 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
1947 9999.00 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
1948 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.82 0.60 1.20 a 9999.00 z 9999.00 z 0.45 1.20
1949 0.31 0.26 0.83 0.78 0.40 1.22 1.90 0.31 1.57 0.68 9999.00 z 9999.00 z 1.90
1950 0.79 9999.00 z 1.00 1.71 0.50 0.80 0.82 0.65 0.47 0.55 0.45 a 0.75 e 1.71
1951 0.46 e 0.75 c 0.68 e 1.63 a 0.99 1.00 2.68 1.06 1.04 0.95 0.64 b 0.40 2.68
1952 0.83 a 0.26 b 0.76 0.34 1.01 0.96 2.05 0.90 0.38 0.14 0.95 0.34 c 2.05
1953 0.42 c 1.00 0.81 1.67 0.66 0.89 1.90 0.34 0.87 0.34 0.51 0.70 1.90
1954 0.16 c 0.48 a 0.43 1.32 0.85 0.69 j 0.91 0.79 1.38 0.74 0.40 0.20 1.38
1955 0.19 0.93 0.70 0.59 1.05 1.08 1.17 1.55 0.63 0.92 0.71 0.53 1.55
1956 0.30 0.13 0.62 0.42 0.78 0.91 1.55 1.40 0.63 0.16 0.56 0.24 1.55
1957 0.08 0.20 A 0.00 z 1.80 A 1.07 0.40 0.76 1.10 1.41 0.80 0.91 0.56 1.41
1958 9999.00 z 0.00 0.35 A 1.20 A 0.71 0.59 1.81 0.82 1.42 1.48 0.91 0.40 1.81
1959 9999.00 z 0.40 0.60 0.40 1.11 0.55 1.94 3.72 1.81 1.58 0.39 2.10 A 3.72
1960 0.82 0.40 0.22 0.99 1.40 1.02 0.78 3.67 0.50 1.70 1.00 0.07 3.67
1961 0.05 0.42 1.10 A 0.80 0.51 1.20 2.19 0.49 1.10 0.99 0.74 1.35 2.19
1962 0.21 0.69 A 0.93 A 0.63 1.50 1.77 1.32 1.93 0.92 0.94 0.42 0.21 a 1.93
1963 0.62 0.32 0.34 0.74 1.15 0.56 0.53 1.36 1.43 0.65 0.70 0.51 1.43
1964 0.90 0.05 0.20 1.46 1.58 0.31 1.01 2.04 1.11 0.22 0.57 0.33 2.04
1965 0.25 0.53 1.22 1.29 1.32 1.14 1.00 0.76 2.91 0.43 0.85 0.69 A 2.91
1966 0.52 0.53 0.92 a 0.75 0.62 2.23 2.20 0.70 0.45 1.83 0.43 0.40 2.23
1967 0.85 c 0.71 A 0.63 0.95 1.10 2.18 0.65 1.70 0.72 2.11 0.32 0.30 2.18
1968 0.77 A 0.28 a 0.32 a 1.02 1.25 1.67 1.11 1.22 0.96 0.43 0.63 0.75 1.67
1969 0.55 0.00 0.27 0.70 0.67 3.40 1.20 0.42 0.70 0.83 0.70 0.71 3.40
1970 0.33 0.10 0.40 1.28 1.30 1.36 1.94 0.22 1.00 b 1.93 c 0.57 0.80 1.94
1971 0.84 0.54 0.79 0.64 1.39 0.59 1.52 0.68 0.82 0.78 1.16 0.44 1.52
1972 0.39 0.38 0.51 0.86 1.02 1.83 0.93 0.88 0.83 0.67 1.05 0.79 1.83
1973 0.70 0.21 1.48 1.51 1.48 0.47 0.59 1.14 0.99 1.22 0.59 0.68 1.51
1974 0.43 0.37 0.08 1.09 1.09 1.04 0.67 1.82 1.27 0.53 1.47 9999.00 z 1.82
1975 0.31 0.41 0.86 1.16 0.61 0.71 0.62 0.57 1.48 0.22 0.76 a 0.93 1.48
1976 0.35 0.42 0.85 0.72 2.60 0.21 0.75 1.21 0.60 0.69 0.03 0.17 2.60
1977 0.09 0.82 1.50 0.72 0.60 1.25 2.17 0.90 1.11 1.26 1.96 0.42 2.17
1978 0.20 0.16 0.14 0.98 1.07 0.44 1.02 1.81 2.02 0.44 1.04 0.31 A 2.02
1979 0.42 0.47 1.42 0.60 2.20 0.85 1.13 0.54 1.83 0.76 0.62 0.32 2.20
1980 0.80 0.12 0.20 1.42 0.48 0.90 1.02 1.74 0.72 0.36 0.35 0.53 1.74
1981 0.09 0.94 0.19 2.11 0.43 1.34 0.66 1.21 0.91 1.29 0.44 0.62 2.11
1982 0.56 0.09 0.76 0.62 0.50 9999.00 z 3.20 1.20 1.03 1.05 1.04 0.80 a 3.20
1983 0.41 0.24 0.44 a 0.77 1.24 0.43 0.55 2.23 1.37 2.10 9999.00 z 0.42 2.23
1984 0.22 1.04 A 0.61 1.87 0.63 1.16 1.10 1.82 1.00 1.22 1.29 0.53 c 1.87
1985 0.12 0.31 A 0.98 0.38 1.83 1.24 0.96 1.22 1.02 1.25 1.73 c 0.48 1.83
1986 0.54 0.47 1.20 9999.00 z 0.52 1.34 0.91 0.83 0.92 9999.00 z 0.43 0.12 1.34
1987 0.31 0.14 0.46 0.68 1.01 0.45 0.96 0.82 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.01
1988 9999.00 z 0.25 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.02 0.70 1.36 0.90 1.36
1989 0.38 0.16 0.90 0.14 1.29 0.83 0.50 0.65 0.34 1.00 0.38 a 0.26 1.29
1990 0.49 0.31 c 2.18 0.23 1.52 3.19 0.55 1.58 1.94 0.45 0.50 0.49 A 3.19
1991 0.28 a 0.38 1.02 1.26 2.14 1.72 1.17 0.84 1.36 2.18 1.16 0.61 2.18
1992 0.24 a 0.32 0.86 A 1.02 1.19 0.47 0.73 1.48 1.02 0.47 1.80 0.77 1.80
1993 0.42 0.07 0.15 0.95 1.57 1.28 0.94 0.65 1.37 0.48 a 1.16 b 0.18 1.57
1994 0.18 0.09 0.67 1.12 0.56 0.68 1.85 1.12 2.08 1.15 1.07 0.17 2.08
1995 0.10 c 0.20 0.82 0.91 1.14 1.77 0.76 1.20 0.69 3.26 1.21 c 0.81 3.26
1996 1.59 c 0.33 b 0.72 0.87 0.52 1.64 1.03 0.80 1.13 1.42 0.44 0.62 i 1.64
1997 0.73 A 0.33 0.57 b 0.52 0.45 a 1.52 0.72 a 1.49 a 1.89 1.22 a 0.16 0.34 1.89
1998 0.47 0.85 0.78 1.17 0.80 1.28 0.35 0.99 0.87 0.93 1.07 0.17 a 1.28
1999 0.84 c 0.52 0.19 0.60 1.95 1.22 1.72 1.03 0.46 0.45 0.83 0.26 1.95
2000 0.76 0.37 a 0.46 0.73 0.52 1.00 1.66 0.47 3.10 0.25 0.97 0.36 A 3.10
2001 0.74 g 0.61 a 0.30 0.70 0.77 0.71 2.13 2.30 1.02 0.65 0.88 b 0.36 b 2.30
2002 0.23 0.66 0.92 b 1.67 0.70 1.96 0.90 3.24 0.95 d 0.87 a 0.71 a 0.46 a 3.24
2003 0.12 0.62 b 1.15 1.39 0.81 0.79 a 1.53 A 1.47 3.05 A 0.36 1.08 0.47 1.47
2004 0.61 A 1.00 1.06 0.51 1.90 0.90 a 1.73 A 0.59 0.21 1.29 A 1.08 0.71 a 1.90
2005 0.82 0.45 0.26 0.60 0.62 1.10 0.87 0.62 1.21 1.79 0.85 0.50 1.79
2006 0.95 0.43 0.40 0.63 1.32 0.56 3.20 1.77 1.03 0.93 0.58 1.12 c 3.20
2007 0.18 b 0.69 0.62 0.87 a 0.74 2.96 0.42 0.98 0.50 1.24 0.14 1.50 c 2.96
2008 0.38 A 0.72 A 0.67 1.02 a 1.14 A 0.80 0.56 0.29 0.50 0.75 0.62 1.24 1.24
2009 0.26 0.50 0.52 1.28 1.45 0.54 0.41 0.76 0.56 1.50 0.30 1.36 A 1.50
2010 0.62 0.12 0.72 0.52 0.86 A 1.97 2.07 1.92 2.02 1.06 0.97 a 0.69 a 2.07
2011 0.24 q 0.10 k 0.46 g 1.17 g 1.31 i 3.03 h 0.40 l 1.52 d 1.12 j 0.77 l 0.96 j 0.57 A 3.03
2012 0.40 A 1.15 g 0.68 c 0.76 e 1.43 1.24 g 1.20 h 0.70 i 1.58 0.47 r 9999.00 z 9999.00 z 1.58
Period of Record Statistics
MEAN 0.47 0.44 0.67 0.97 1.05 1.16 1.30 1.19 1.15 0.99 0.80 0.58 2.05
S.D. 0.29 0.32 0.38 0.44 0.49 0.67 0.70 0.72 0.61 0.59 0.40 0.37 0.58
SKEW 1.07 1.88 1.09 0.56 0.87 1.35 0.88 1.60 1.34 1.15 0.71 1.49 1.23
MAX 1.59 2.00 2.18 2.11 2.60 3.40 3.20 3.72 3.10 3.26 1.96 2.10 3.67
MIN 0.05 0.00 0.08 0.14 0.40 0.21 0.35 0.22 0.21 0.14 0.03 0.07 1.28
NO YRS 68 70 69 64 65 62 66 66 65 63 69 62 37