YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1.50 | 0.00 | 0.00 | 1.50 | ||||
1950 | 0.00 | c | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 10.00 | 5.69 | a | 1.00 | 0.50 | 1.00 | 19.69 | |||||||||||
1951 | 0.00 | 0.00 | c | 0.00 | 0.00 | 0.00 | k | 0.00 | 3.00 | 5.50 | 11.00 | 0.00 | 0.00 | 0.00 | 19.50 | |||||||||||
1952 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | 0.00 | 9.00 | 2.00 | 0.00 | 0.50 | 2.00 | 0.00 | 13.50 | ||||||||||||
1953 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 15.50 | 2.50 | 0.00 | 0.00 | 0.00 | 18.50 | |||||||||||||
1954 | 0.00 | 0.00 | 0.00 | 0.00 | 2.50 | 4.00 | 2.00 | 10.00 | 2.00 | 2.00 | 1.50 | 0.00 | 24.00 | |||||||||||||
1955 | 0.00 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 2.50 | 0.00 | 3.50 | ||||||||||||
1956 | 0.00 | 0.00 | 0.00 | z | 0.00 | 0.00 | 1.00 | 1.50 | 5.50 | 1.50 | 3.00 | 0.00 | 0.00 | 12.50 | ||||||||||||
1957 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 11.00 | 16.50 | 22.00 | 1.50 | 2.00 | 59.50 | |||||||||||||
1958 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.00 | 22.50 | 7.00 | 0.50 | 2.50 | 0.00 | 35.50 | |||||||||||||
1959 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 16.02 | a | 22.50 | 16.50 | 8.50 | 1.61 | b | 0.00 | b | 65.12 | |||||||||
1960 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 3.50 | 11.50 | 9.00 | 4.00 | 0.00 | 0.00 | a | 29.50 | ||||||||||||
1961 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.50 | 0.00 | 3.50 | 0.00 | 0.00 | 7.00 | |||||||||||||
1962 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 4.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 5.00 | |||||||||||||
1963 | 0.00 | 0.50 | 1.00 | 0.50 | 0.00 | 0.00 | 4.00 | 1.60 | b | 5.00 | 0.00 | 0.00 | 0.00 | 12.60 | ||||||||||||
1964 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.50 | 4.50 | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 8.50 | |||||||||||||
1965 | 0.00 | 0.00 | 0.00 | 0.00 | 2.50 | 0.00 | 2.50 | 0.00 | 11.00 | 3.50 | 5.00 | 0.00 | 24.50 | |||||||||||||
1966 | 0.00 | 0.00 | 0.00 | 0.00 | 5.00 | 0.00 | 0.50 | 6.00 | 10.00 | 5.50 | 0.00 | 0.00 | 27.00 | |||||||||||||
1967 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 2.00 | 17.50 | 10.00 | 3.00 | 4.00 | 0.00 | a | 0.00 | 37.50 | ||||||||||||
1968 | 0.00 | a | 0.52 | a | 0.00 | a | 0.00 | 3.50 | 0.50 | 6.50 | 8.50 | 8.00 | 13.50 | 1.50 | 0.00 | 42.52 | ||||||||||
1969 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | b | 3.00 | 6.50 | 3.62 | a | 0.00 | 4.50 | 2.00 | 0.00 | 19.62 | |||||||||||
1970 | 0.00 | 0.00 | 0.00 | 0.00 | b | 0.00 | c | 3.00 | 0.00 | 4.28 | b | 1.03 | a | 2.00 | 0.00 | 0.00 | 10.31 | |||||||||
1971 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.50 | 0.50 | 0.00 | b | 0.00 | 0.00 | 0.00 | 5.00 | ||||||||||||
1972 | 0.00 | a | 0.00 | f | 0.00 | b | 0.00 | a | 0.00 | b | 0.00 | b | 0.00 | 11.00 | 11.90 | a | 10.50 | 0.00 | 2.00 | 35.40 | ||||||
1973 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.50 | 5.17 | a | 0.00 | b | 0.00 | a | 0.00 | b | 0.00 | a | 7.67 | ||||||||
1974 | 0.50 | 1.04 | a | 0.52 | a | 0.00 | a | 0.00 | 0.00 | b | 1.55 | a | 8.50 | 2.07 | a | 0.50 | 0.00 | 0.00 | 14.67 | |||||||
1975 | 0.00 | b | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | c | 0.00 | a | 0.54 | b | 0.50 | 0.00 | a | 0.00 | 1.04 | ||||||||
1976 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 1.55 | a | 11.00 | 4.28 | b | 0.00 | a | 0.00 | c | 16.83 | ||||||||
1977 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.52 | a | 0.50 | j | 7.75 | c | 0.00 | z | 11.37 | a | 0.00 | 0.00 | a | 19.63 | ||||||
1978 | 0.00 | b | 0.00 | f | 0.00 | 0.00 | e | 2.50 | 3.50 | 5.00 | 19.50 | 2.59 | a | 6.20 | a | 0.00 | c | 0.00 | a | 39.29 | ||||||
1979 | 0.00 | g | 0.00 | b | 0.00 | e | 0.00 | e | 0.00 | c | 0.00 | a | 10.69 | b | 17.00 | 28.00 | 24.00 | 0.00 | 2.07 | a | 81.76 | |||||
1980 | 5.00 | 0.00 | b | 0.00 | 0.00 | d | 1.50 | 0.00 | 13.50 | 2.50 | 13.50 | 10.50 | 2.50 | 1.50 | 50.50 | |||||||||||
1981 | 0.00 | 2.00 | 0.00 | 0.00 | 0.00 | a | 3.50 | 9.00 | 28.50 | 25.00 | 2.58 | a | 1.50 | 0.50 | 72.58 | |||||||||||
1982 | 0.00 | 0.52 | a | 0.00 | b | 0.00 | 0.00 | a | 14.00 | 15.50 | 22.50 | 6.50 | 9.00 | 3.00 | 0.50 | 71.52 | ||||||||||
1983 | 0.00 | c | 0.00 | a | 0.00 | a | 0.00 | a | 0.00 | 0.00 | c | 0.00 | 8.27 | a | 7.00 | 2.50 | 3.62 | a | 0.00 | 21.39 | ||||||
1984 | 0.00 | 0.00 | 0.52 | a | 0.00 | 0.50 | 1.00 | 5.00 | 4.00 | 2.07 | a | 25.00 | 0.00 | 0.00 | 38.09 | |||||||||||
1985 | 0.00 | b | 0.00 | d | 0.00 | b | 0.00 | a | 0.00 | m | 2.59 | a | 7.00 | 20.00 | 9.50 | 6.50 | 6.50 | 0.00 | 52.09 | |||||||
1986 | 0.00 | a | 0.00 | b | 4.13 | a | 0.00 | b | 0.00 | c | 2.88 | d | 17.64 | b | 53.98 | b | 38.89 | c | 19.24 | b | 9.00 | 2.07 | a | 147.84 | ||
1987 | 0.00 | c | 0.00 | a | 0.00 | f | 0.00 | b | 1.72 | d | 10.18 | b | 7.00 | 24.59 | b | 34.44 | c | 10.50 | 0.56 | c | 0.00 | 88.99 | ||||
1988 | 0.00 | 0.00 | a | 0.00 | b | 0.00 | d | 3.88 | c | 3.00 | 2.50 | 16.53 | a | 12.93 | a | 14.50 | 10.96 | d | 0.00 | a | 64.30 | |||||
1989 | 0.00 | a | 0.00 | 0.00 | a | 0.00 | a | 0.50 | 5.19 | d | 4.81 | b | 14.50 | 0.50 | 18.27 | c | 1.61 | b | 0.00 | c | 45.38 | |||||
1990 | 0.00 | 0.00 | d | 0.00 | b | 1.61 | b | 0.00 | b | 0.52 | a | 9.50 | 19.63 | a | 18.50 | 7.00 | 8.57 | b | 1.03 | a | 66.36 | |||||
1991 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.55 | a | 13.36 | b | 31.52 | a | 16.50 | 11.37 | a | 10.38 | d | 0.00 | 85.68 | ||||||||
1992 | 0.00 | 0.00 | 0.00 | a | 0.00 | i | 13.00 | i | 3.10 | a | 17.05 | a | 22.50 | 55.00 | 36.96 | e | 10.00 | i | 0.00 | 134.61 | ||||||
1993 | 0.00 | c | 0.00 | a | 0.00 | 0.00 | 0.00 | 1.50 | 14.50 | 27.12 | c | 26.54 | d | 26.35 | a | 3.10 | a | 0.00 | a | 99.12 | ||||||
1994 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 6.00 | 35.50 | 36.50 | 26.50 | 13.50 | 0.52 | a | 0.00 | 120.02 | ||||||||||||
1995 | 1.55 | a | 0.00 | a | 0.00 | 0.00 | 2.00 | 0.00 | 10.50 | 9.30 | a | 7.00 | 1.50 | 8.00 | 3.00 | 42.85 | ||||||||||
1996 | 0.00 | a | 0.00 | a | 0.00 | 0.50 | 10.50 | 14.00 | 12.00 | 28.00 | 10.50 | 17.00 | 3.00 | 1.50 | 97.00 | |||||||||||
1997 | 0.00 | a | 0.00 | 1.50 | 0.00 | 9.00 | 9.00 | 17.00 | 20.50 | 29.50 | 17.50 | 0.50 | 0.00 | 104.50 | ||||||||||||
1998 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.50 | 12.50 | 9.00 | 2.50 | 1.00 | 0.00 | 33.50 | |||||||||||||
1999 | 0.00 | a | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | 8.50 | 5.54 | c | 0.00 | a | 1.00 | 0.00 | 0.00 | a | 15.04 | ||||||||
2000 | 0.00 | 0.00 | 0.00 | a | 0.00 | 0.00 | 0.00 | a | 11.62 | c | 12.92 | a | 9.00 | 10.50 | 2.07 | a | 6.20 | a | 52.31 | |||||||
2001 | 0.00 | a | 0.00 | c | 0.00 | a | 0.00 | a | 0.00 | 2.00 | 10.69 | b | 24.50 | 16.55 | a | 8.78 | a | 8.28 | a | 0.52 | a | 71.32 | ||||
2002 | 0.00 | 0.00 | a | 0.00 | b | 2.50 | 2.21 | c | 0.00 | b | 20.09 | d | 21.38 | b | 5.17 | a | 22.70 | c | 0.50 | m | 0.00 | x | 74.06 | |||
2003 | 0.00 | q | 0.00 | o | 0.00 | c | 0.00 | b | 0.00 | 5.69 | a | 26.00 | 18.00 | 6.00 | 13.50 | 7.50 | 3.10 | a | 79.79 | |||||||
2004 | 0.00 | i | 0.00 | c | 1.66 | c | 0.00 | 13.29 | c | 1.00 | 8.78 | a | 26.50 | 16.50 | 13.50 | 2.59 | a | 0.00 | a | 83.82 | ||||||
2005 | 0.00 | c | 0.56 | c | 0.50 | 0.00 | 3.21 | b | 2.59 | a | 15.00 | 11.22 | b | 24.83 | a | 4.50 | 2.50 | 0.52 | a | 65.42 | ||||||
2006 | 0.00 | a | 0.00 | b | 0.00 | 0.00 | a | 1.00 | 2.50 | 8.50 | 25.00 | 9.50 | 22.73 | a | 14.00 | 0.00 | a | 83.23 | ||||||||
2007 | 0.00 | 0.00 | b | 0.00 | 0.00 | b | 0.00 | 0.00 | 20.50 | 5.50 | 10.18 | b | 4.65 | a | 2.00 | 4.28 | b | 47.10 | ||||||||
2008 | 0.00 | b | 0.00 | 0.00 | a | 16.07 | b | 18.08 | a | 1.00 | 10.69 | b | 10.00 | 0.54 | b | 3.50 | 2.14 | b | 0.00 | b | 62.02 | |||||
2009 | 0.52 | a | 0.00 | g | 0.00 | a | 0.00 | b | 2.14 | b | 5.17 | a | 19.63 | a | 36.00 | 6.50 | 31.00 | d | 0.56 | c | 5.17 | a | 106.68 | |||
2010 | 0.00 | e | 0.00 | a | 0.00 | b | 0.00 | d | 0.00 | a | 0.56 | c | 4.28 | b | 7.00 | 9.60 | e | 4.28 | b | 1.00 | 0.53 | b | 27.24 | |||
2011 | 0.00 | h | 2.07 | a | 0.00 | b | 0.00 | a | 4.65 | a | 0.00 | a | 0.00 | e | 8.55 | b | 0.52 | a | 1.50 | 0.00 | d | 0.53 | b | 17.83 | ||
2012 | 0.00 | e | 0.00 | c | 0.00 | a | 0.00 | r | 0.00 | c | 0.00 | f | 1.55 | a | 0.53 | b | 0.00 | b | 0.55 | c | 0.00 | f | 0.00 | e | 2.64 | |
2013 | 0.00 | b | 0.00 | b | 0.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.13 | 0.14 | 0.16 | 0.35 | 1.54 | 1.94 | 8.10 | 13.34 | 10.18 | 8.33 | 2.26 | 0.60 | 43.60 | |||||||||||||
S.D. | 0.68 | 0.42 | 0.60 | 2.08 | 3.39 | 3.13 | 7.35 | 11.04 | 11.05 | 8.76 | 3.25 | 1.29 | 33.99 | |||||||||||||
SKEW | 6.56 | 3.54 | 5.16 | 7.25 | 3.17 | 2.38 | 1.20 | 1.07 | 1.70 | 1.24 | 1.82 | 2.65 | 0.96 | |||||||||||||
MAX | 5.00 | 2.07 | 4.13 | 16.07 | 18.08 | 14.00 | 35.50 | 53.98 | 55.00 | 36.96 | 14.00 | 6.20 | 147.84 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.04 | |||||||||||||
NO YRS | 60 | 60 | 62 | 61 | 60 | 62 | 62 | 63 | 62 | 64 | 61 | 63 | 48 |