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
1956 9999.00 z 9999.00 z 9999.00 z 0.98 a 2.00 e 0.92 a 0.69 0.85 1.65 0.80 1.45 0.26 2.00
1957 9999.00 z 0.03 0.44 1.22 1.35 1.76 1.95 0.86 1.50 0.38 A 0.93 A 9999.00 z 1.95
1958 0.12 u 0.01 0.13 1.65 0.32 0.45 e 0.95 e 0.94 1.50 0.71 1.60 0.18 1.65
1959 0.25 0.73 A 1.90 A 0.50 2.02 1.12 1.27 4.08 3.26 1.96 0.95 0.54 4.08
1960 0.48 0.23 0.13 1.68 1.75 2.46 2.00 1.49 1.64 2.20 0.23 0.42 2.46
1961 0.12 1.10 1.10 0.26 0.61 0.82 2.43 0.64 2.38 1.15 1.30 0.34 2.43
1962 0.04 0.68 0.33 0.29 1.33 0.73 1.88 2.04 0.56 0.67 0.07 0.12 2.04
1963 0.08 0.70 0.57 0.62 0.60 1.24 1.45 1.16 1.30 0.32 0.70 0.12 1.45
1964 0.11 0.03 0.22 0.90 1.54 1.39 1.29 1.09 1.78 0.39 0.53 0.40 1.78
1965 0.12 0.28 0.54 1.17 1.64 0.62 1.04 1.38 2.38 1.13 0.92 0.67 2.38
1966 0.54 0.84 1.02 0.42 1.02 0.73 1.95 0.27 0.30 1.38 0.28 0.18 1.95
1967 1.02 0.22 0.67 0.91 0.88 2.35 0.44 1.47 1.11 0.96 0.28 0.54 2.35
1968 0.37 0.08 0.91 1.75 1.48 2.67 9999.00 z 0.46 2.24 0.78 9999.00 z 9999.00 z 2.67
1969 0.47 9999.00 z 9999.00 z 0.92 9999.00 z 1.40 A 1.61 0.57 2.98 0.84 0.24 0.60 2.98
1970 0.08 0.07 1.04 0.73 1.44 1.06 1.17 1.34 1.40 1.07 0.59 0.40 1.44
1971 0.35 0.90 0.55 0.55 1.88 1.32 0.72 0.92 1.66 0.54 1.33 0.38 1.88
1972 0.14 0.12 0.40 1.06 0.95 1.15 1.78 1.48 2.04 0.75 0.52 0.64 2.04
1973 0.24 0.45 1.07 2.18 1.15 1.68 0.60 2.27 2.20 0.84 0.73 0.33 2.27
1974 0.18 0.60 0.95 0.68 1.05 1.35 0.97 1.38 0.44 0.76 0.76 0.57 1.38
1975 0.26 0.22 0.50 2.73 0.53 0.66 0.82 2.42 0.53 0.68 0.83 0.50 2.73
1976 9999.00 z 0.45 1.04 0.78 1.28 1.10 0.62 0.67 0.58 0.54 0.00 9999.00 z 1.28
1977 9999.00 z 9999.00 z 0.58 e 0.78 1.88 1.53 2.88 0.84 0.98 f 0.36 h 1.16 a 0.00 z 2.88
1978 9999.00 z 9999.00 z 9999.00 z 0.97 1.64 1.90 4.30 0.53 1.34 0.42 0.96 0.30 4.30
1979 0.28 0.67 1.69 0.74 1.39 1.04 1.04 1.90 0.20 0.84 0.42 0.44 1.90
1980 0.57 0.09 0.15 1.02 1.54 1.06 2.52 3.42 1.38 0.96 0.12 0.32 3.42
1981 0.08 0.58 0.40 3.10 0.68 0.65 2.93 2.00 0.42 1.04 0.32 0.14 3.10
1982 0.13 d 0.05 a 0.35 a 1.27 1.08 0.70 1.76 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.76
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 1.50 0.41 1.50
1985 0.38 0.93 0.93 1.36 0.50 0.44 1.27 1.63 1.77 0.50 1.40 0.62 1.77
1986 0.65 0.30 1.12 0.80 0.77 2.35 1.76 1.53 2.50 0.80 0.56 0.75 2.50
1987 0.42 0.05 0.43 1.48 0.87 0.40 1.58 0.87 0.52 0.50 0.53 0.90 1.58
1988 0.55 0.10 a 0.66 0.52 1.45 0.50 0.97 1.43 2.16 0.32 0.98 0.54 2.16
1989 0.20 0.40 0.72 0.53 1.45 0.78 0.95 1.43 1.57 1.00 0.45 0.02 1.57
1990 0.34 0.29 0.84 0.58 1.34 1.24 0.96 4.37 0.88 0.70 0.21 a 0.58 4.37
1991 0.22 0.20 0.87 1.11 2.00 0.60 2.21 2.48 1.30 0.79 1.69 0.48 2.48
1992 0.59 0.20 0.75 1.07 1.70 1.66 0.87 1.37 1.60 0.43 1.49 0.55 a 1.70
1993 0.80 0.45 0.77 a 0.75 1.28 1.38 1.10 1.10 0.34 1.10 0.30 a 0.08 1.38
1994 0.60 0.20 0.06 2.20 0.63 1.20 0.89 1.88 2.66 0.95 1.00 a 0.22 2.66
1995 0.20 0.00 0.70 0.65 a 0.99 1.20 0.77 0.75 0.15 b 1.30 0.31 0.50 1.30
1996 0.60 0.00 a 0.75 1.10 0.70 4.20 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.43 A 9999.00 z 4.20
1997 0.50 A 0.50 A 0.80 b 0.60 2.00 k 1.05 1.03 0.66 b 1.37 1.97 a 0.03 0.00 2.00
1998 9999.00 z 1.15 1.51 0.63 1.42 1.85 1.64 1.95 0.42 0.72 1.10 0.20 1.95
1999 0.46 0.37 0.41 1.78 1.18 a 0.54 a 2.33 0.39 0.42 0.86 1.19 0.17 2.33
2000 0.26 0.22 0.38 1.43 3.98 2.29 1.80 1.18 0.47 0.30 0.75 a 0.45 3.98
2001 0.71 0.36 0.31 a 0.41 e 1.51 l 0.90 0.22 2.37 1.77 0.66 0.57 0.41 2.37
2002 0.09 0.64 a 0.47 1.32 0.41 1.66 1.05 1.85 1.11 0.46 0.63 0.15 1.85
2003 0.29 0.18 0.54 1.11 0.87 0.35 0.88 0.49 0.91 0.66 1.21 0.21 1.21
2004 0.23 0.44 0.84 0.51 2.49 1.45 1.59 1.44 0.37 0.89 0.72 0.49 2.49
2005 0.51 0.43 0.44 0.44 0.61 0.76 2.44 1.01 0.84 0.52 0.59 0.38 2.44
2006 0.44 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.90 0.50 0.66 a 0.36 a 1.90
2007 0.31 0.00 k 0.65 0.89 0.46 0.86 3.01 7.17 0.72 1.78 0.10 0.77 7.17
2008 0.31 0.34 i 0.27 1.42 c 1.09 5.14 A 3.30 0.68 0.68 A 1.19 0.43 0.31 3.30
2009 0.24 0.38 0.64 1.51 0.92 1.38 0.84 2.46 d 0.16 1.00 h 0.24 0.87 2.46
2010 1.01 0.11 a 0.45 0.68 1.62 2.01 2.07 3.26 3.23 0.69 0.66 0.65 3.26
2011 0.14 0.63 1.38 0.81 1.29 1.61 1.08 0.62 0.77 0.58 a 0.60 0.81 1.61
2012 0.23 0.70 0.61 a 2.02 1.48 1.13 0.76 1.42 A 0.78 1.57 i 9999.00 z 9999.00 z 2.02
Period of Record Statistics
MEAN 0.36 0.38 0.69 1.07 1.27 1.35 1.51 1.58 1.31 0.85 0.72 0.41 2.26
S.D. 0.24 0.30 0.39 0.60 0.62 0.87 0.82 1.19 0.83 0.43 0.46 0.22 0.78
SKEW 1.00 0.73 0.97 1.32 1.60 2.22 1.11 2.44 0.54 1.42 0.40 0.19 1.03
MAX 1.02 1.15 1.90 3.10 3.98 5.14 4.30 7.17 3.26 2.20 1.69 0.90 4.37
MIN 0.04 0.00 0.06 0.26 0.32 0.35 0.22 0.27 0.15 0.30 0.00 0.00 1.21
NO YRS 47 47 51 54 51 54 52 52 52 50 52 49 37