YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.30 | 0.72 | 0.61 | 0.50 | 3.13 | h | ||||
1949 | 0.86 | a | 0.36 | 0.31 | 0.26 | 3.50 | 4.73 | 6.05 | 1.11 | 0.60 | a | 2.78 | 0.50 | a | 1.71 | 22.77 | ||||||||||
1950 | 1.53 | 0.12 | 1.50 | 1.33 | 4.11 | c | 2.98 | 1.71 | d | 0.48 | 2.66 | 1.07 | 0.29 | n | 0.65 | 18.14 | a | |||||||||
1951 | 0.46 | 0.60 | 1.64 | 0.94 | 5.25 | 3.25 | 2.96 | 3.55 | 1.45 | ----- | z | ----- | z | ----- | z | 20.10 | c | |||||||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 6.71 | 7.54 | 5.24 | 2.77 | 3.52 | 0.46 | 0.36 | ----- | z | 26.60 | e | |||||||
1963 | 0.02 | c | 0.40 | 0.12 | b | 2.00 | 4.30 | 2.33 | 1.69 | 10.38 | 1.53 | 0.09 | 0.33 | 0.49 | 23.68 | |||||||||||
1964 | 0.10 | b | ----- | z | ----- | z | 2.63 | ----- | z | ----- | z | 0.88 | h | 2.84 | 3.73 | 0.20 | 1.10 | 0.99 | 11.59 | e | ||||||
1965 | 0.26 | 0.06 | 0.83 | 3.01 | 3.84 | 3.40 | 2.95 | 3.36 | 4.08 | 0.90 | 1.32 | 1.13 | 25.14 | |||||||||||||
1966 | 0.25 | 0.36 | 1.46 | 2.38 | 1.54 | 2.90 | 3.87 | 7.35 | 1.01 | 2.24 | 0.15 | 0.80 | 24.31 | |||||||||||||
1967 | 0.95 | 0.19 | 0.35 | 3.88 | 1.98 | 4.24 | 0.66 | 0.45 | 0.87 | 1.23 | 0.07 | 1.03 | 15.90 | |||||||||||||
1968 | 0.25 | 0.04 | 1.74 | 3.17 | 2.44 | 6.44 | 3.48 | 2.24 | 4.92 | 2.28 | 0.04 | 0.88 | 27.92 | |||||||||||||
1969 | 1.29 | 0.20 | 0.20 | 1.77 | 1.52 | 2.44 | 4.65 | 0.88 | 2.63 | 2.37 | 0.54 | 0.62 | 19.11 | |||||||||||||
1970 | 0.19 | 0.12 | 0.91 | 2.69 | 2.57 | 3.83 | 0.42 | 1.02 | 2.43 | 2.20 | 0.84 | 0.50 | 17.72 | |||||||||||||
1971 | 0.71 | 0.33 | 0.58 | 1.05 | 1.81 | 4.45 | 4.71 | 2.97 | 4.64 | 5.72 | 0.77 | 0.25 | 27.99 | |||||||||||||
1972 | 0.76 | 0.49 | 0.38 | 1.33 | 4.25 | 0.71 | 3.25 | 3.90 | 1.41 | 1.27 | 0.20 | ----- | z | 17.95 | a | |||||||||||
1973 | 0.00 | 0.04 | 0.88 | 0.44 | 1.58 | 2.82 | 3.58 | 2.23 | 6.87 | 1.92 | 0.66 | 0.60 | 21.62 | |||||||||||||
1974 | 0.23 | 0.15 | 1.01 | ----- | z | 3.63 | 1.40 | 3.46 | 3.48 | 0.02 | 0.57 | 1.59 | 0.28 | 15.82 | a | |||||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 12.09 | 1.89 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 13.98 | j | ||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | 3.76 | 2.53 | 4.47 | 2.00 | 4.25 | ----- | z | ----- | z | 0.65 | 17.66 | f | ||||||
1978 | 0.35 | 0.29 | 0.24 | ----- | z | 1.77 | 2.08 | ----- | z | ----- | z | ----- | z | 0.20 | 0.74 | 0.35 | 6.02 | d | ||||||||
1979 | 0.44 | 1.96 | 1.76 | 1.92 | 2.21 | 4.38 | 5.50 | 1.86 | 0.37 | 2.51 | 0.91 | 0.21 | 24.03 | |||||||||||||
1980 | 1.45 | 0.57 | 0.43 | 0.01 | 1.24 | 2.96 | 1.60 | 4.98 | 2.96 | 1.17 | 0.47 | 0.14 | 17.98 | |||||||||||||
1981 | 0.22 | 0.48 | 1.14 | 1.09 | 0.67 | 4.28 | 4.39 | 2.40 | 1.09 | 4.18 | 0.39 | 0.59 | 20.92 | |||||||||||||
1982 | 1.12 | 0.55 | 1.61 | 1.11 | 2.49 | 1.78 | 4.67 | 1.60 | 1.88 | 5.46 | 2.46 | 0.41 | 25.14 | |||||||||||||
1983 | 0.30 | 0.10 | 1.21 | 0.10 | 1.79 | 4.10 | 8.60 | 2.66 | 3.24 | 1.54 | 1.55 | 0.90 | 26.09 | |||||||||||||
1984 | 0.51 | 0.48 | 0.55 | 1.36 | 1.11 | 5.57 | 1.20 | 1.01 | 1.55 | 9.33 | a | 0.06 | 0.78 | 23.51 | ||||||||||||
1985 | 0.07 | 0.13 | 1.61 | ----- | z | ----- | z | 3.42 | 4.18 | a | 2.97 | 2.62 | 1.19 | 1.46 | 0.66 | 18.31 | b | |||||||||
1986 | 0.64 | 0.19 | 0.29 | 4.53 | ----- | z | 4.63 | f | 4.04 | a | 2.15 | 4.10 | 0.18 | 1.65 | 0.00 | c | 17.77 | b | ||||||||
1987 | ----- | z | ----- | z | 0.74 | ----- | z | 0.34 | w | ----- | z | 2.57 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.74 | k | |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2012 | ----- | z | ----- | z | ----- | z | 1.57 | a | 6.72 | 2.66 | 0.28 | 2.70 | 0.48 | 1.10 | 0.73 | c | 0.57 | h | 16.24 | d | ||||||
2013 | 0.27 | c | 0.04 | k | 1.03 | f | 2.04 | e | 2.65 | a | 7.28 | 1.18 | 1.49 | 4.34 | 2.81 | a | 0.04 | f | 0.00 | p | 22.06 | d | ||||
2014 | 0.24 | l | 0.04 | e | 0.50 | h | 2.33 | e | 2.15 | 10.95 | 1.60 | a | 3.60 | 1.45 | 0.81 | a | 0.19 | f | 0.74 | e | 23.67 | c | ||||
2015 | 0.17 | l | 0.13 | g | 0.08 | f | 0.73 | b | 3.64 | 3.78 | 3.44 | a | 2.84 | 0.95 | 1.64 | 1.78 | 0.29 | g | 18.80 | d | ||||||
2016 | 0.11 | g | 0.23 | e | 1.22 | e | 2.80 | 2.97 | 2.57 | 8.45 | 6.26 | 3.89 | 2.15 | c | 1.47 | c | 0.80 | h | 32.01 | b | ||||||
2017 | 0.08 | h | 0.38 | a | 0.13 | c | 2.33 | b | 3.96 | a | 0.01 | h | 0.84 | 11.40 | b | 1.36 | a | 3.65 | a | 0.08 | c | 0.03 | m | 24.13 | c | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.53 | 0.34 | 0.88 | 1.81 | 2.97 | 4.13 | 3.39 | 3.19 | 2.44 | 2.06 | 0.82 | 0.63 | 22.74 | |||||||||||||
S.D. | 0.45 | 0.38 | 0.56 | 1.13 | 1.54 | 2.56 | 2.11 | 2.56 | 1.63 | 1.96 | 0.63 | 0.36 | 3.61 | |||||||||||||
SKEW | 0.91 | 3.19 | 0.20 | 0.43 | 0.85 | 1.67 | 0.64 | 1.88 | 0.64 | 1.98 | 0.73 | 0.81 | -0.37 | |||||||||||||
MAX | 1.53 | 1.96 | 1.76 | 4.53 | 6.72 | 12.09 | 8.60 | 11.40 | 6.87 | 9.33 | 2.46 | 1.71 | 27.99 | |||||||||||||
MIN | 0.00 | 0.04 | 0.12 | 0.01 | 0.67 | 0.71 | 0.28 | 0.45 | 0.02 | 0.09 | 0.04 | 0.00 | 15.90 | |||||||||||||
YRS | 25 | 26 | 26 | 27 | 29 | 30 | 31 | 31 | 32 | 31 | 28 | 25 | 16 |