YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.75 | 0.19 | 0.11 | 0.18 | ----- | z | ||||
1949 | 0.48 | a | 0.09 | 0.23 | 0.10 | 1.49 | 1.85 | 1.56 | 0.54 | 0.39 | a | 1.26 | 0.13 | a | 1.02 | 1.85 | c | |||||||||
1950 | 0.41 | 0.05 | 0.67 | 0.23 | 1.02 | c | 1.31 | 0.90 | d | 0.26 | 1.10 | 0.55 | 0.10 | n | 0.12 | 1.31 | u | |||||||||
1951 | 0.13 | 0.37 | 0.30 | 0.25 | 1.30 | 1.24 | 1.80 | 0.58 | 0.36 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 1.34 | 3.31 | 1.19 | 1.60 | 0.71 | 0.20 | 0.15 | ----- | z | ----- | z | |||||||
1963 | 0.02 | c | 0.25 | 0.12 | b | 0.55 | 2.79 | 0.53 | 0.40 | 5.03 | 0.66 | 0.06 | 0.29 | 0.39 | 5.03 | e | ||||||||||
1964 | 0.10 | b | ----- | z | ----- | z | 1.11 | ----- | z | ----- | z | 0.39 | h | 0.93 | 0.76 | 0.06 | 0.84 | 0.46 | ----- | z | ||||||
1965 | 0.11 | 0.04 | 0.18 | 1.27 | 0.88 | 0.90 | 0.61 | 0.80 | 0.90 | 0.25 | 0.73 | 0.45 | 1.27 | |||||||||||||
1966 | 0.16 | 0.21 | 0.41 | 0.75 | 0.75 | 0.88 | 1.24 | 2.90 | 0.50 | 1.55 | 0.06 | 0.26 | 2.90 | |||||||||||||
1967 | 0.18 | 0.07 | 0.26 | 0.97 | 0.73 | 0.96 | 0.23 | 0.19 | 0.52 | 0.47 | 0.05 | 0.33 | 0.97 | |||||||||||||
1968 | 0.09 | 0.02 | 1.05 | 0.60 | 0.94 | 1.62 | 1.33 | 0.78 | 2.28 | 0.75 | 0.03 | 0.25 | 2.28 | |||||||||||||
1969 | 0.22 | 0.12 | 0.12 | 0.85 | 0.64 | 0.68 | 3.15 | 0.74 | 1.15 | 1.21 | 0.40 | 0.15 | 3.15 | |||||||||||||
1970 | 0.06 | 0.06 | 0.77 | 1.17 | 0.43 | 1.89 | 0.30 | 0.45 | 1.53 | 0.47 | 0.39 | 0.14 | 1.89 | |||||||||||||
1971 | 0.32 | 0.17 | 0.24 | 0.39 | 0.65 | 0.92 | 0.99 | 0.99 | 3.37 | 1.32 | 0.35 | 0.07 | 3.37 | |||||||||||||
1972 | 0.36 | 0.22 | 0.13 | 0.62 | 1.22 | 0.29 | 0.68 | 0.97 | 0.74 | 0.52 | 0.06 | ----- | z | ----- | z | |||||||||||
1973 | 0.00 | 0.04 | 0.44 | 0.32 | 0.58 | 0.75 | 1.06 | 0.77 | 2.83 | 1.39 | 0.28 | 0.49 | 2.83 | |||||||||||||
1974 | 0.13 | 0.12 | 0.59 | ----- | z | 1.38 | 0.72 | 1.65 | 1.45 | 0.02 | 0.32 | 1.49 | 0.12 | ----- | z | |||||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.44 | 1.31 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | 1.94 | 0.55 | 2.23 | 0.59 | 0.81 | ----- | z | ----- | z | 0.52 | ----- | z | ||||||
1978 | 0.14 | 0.20 | 0.24 | ----- | z | 0.63 | 0.70 | ----- | z | ----- | z | ----- | z | 0.08 | 0.26 | 0.12 | ----- | z | ||||||||
1979 | 0.14 | 0.69 | 0.94 | 0.74 | 0.35 | 1.26 | 1.04 | 1.07 | 0.33 | 1.54 | 0.59 | 0.16 | 1.54 | |||||||||||||
1980 | 0.66 | 0.25 | 0.23 | 0.01 | 0.92 | 0.50 | 1.15 | 1.15 | 1.12 | 0.50 | 0.41 | 0.13 | 1.15 | |||||||||||||
1981 | 0.19 | 0.28 | 0.45 | 0.52 | 0.30 | 1.20 | 1.60 | 0.60 | 0.66 | 1.09 | 0.36 | 0.35 | 1.60 | |||||||||||||
1982 | 0.68 | 0.22 | 0.68 | 0.50 | 1.00 | 0.45 | 3.15 | 0.97 | 0.53 | 1.44 | 2.22 | 0.25 | 3.15 | |||||||||||||
1983 | 0.25 | 0.10 | 0.83 | 0.10 | 0.69 | 1.28 | 3.85 | 1.72 | 1.51 | 0.98 | 1.35 | 0.51 | 3.85 | |||||||||||||
1984 | 0.23 | 0.46 | 0.22 | 0.59 | 0.55 | 3.08 | 0.60 | 0.65 | 0.55 | 3.60 | a | 0.06 | 0.66 | 3.60 | a | |||||||||||
1985 | 0.07 | 0.11 | 1.15 | ----- | z | ----- | z | 0.82 | 1.33 | a | 1.62 | 1.48 | 0.57 | 0.70 | 0.49 | ----- | z | |||||||||
1986 | 0.28 | 0.19 | 0.16 | 1.02 | ----- | z | 1.69 | f | 0.93 | a | 0.65 | 0.83 | 0.18 | 1.12 | 0.00 | c | ----- | z | ||||||||
1987 | ----- | z | ----- | z | 0.74 | ----- | z | 0.34 | w | ----- | z | 1.80 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | 0.42 | a | 2.86 | 0.68 | 0.13 | 0.76 | 0.30 | 0.56 | 0.54 | c | 0.53 | h | ----- | z | ||||||
2013 | 0.13 | c | 0.04 | k | 0.66 | f | 0.50 | e | 0.61 | a | 1.79 | 0.46 | 0.96 | 1.74 | 1.01 | a | 0.04 | f | 0.00 | p | ----- | z | ||||
2014 | 0.16 | l | 0.03 | e | 0.26 | h | 1.00 | e | 0.72 | 3.31 | 0.64 | a | 1.09 | 0.59 | 0.30 | a | 0.10 | f | 0.40 | e | ----- | z | ||||
2015 | 0.12 | l | 0.07 | g | 0.06 | f | 0.37 | b | 0.75 | 1.71 | 1.61 | a | 1.60 | 0.53 | 1.09 | 1.03 | 0.13 | g | ----- | z | ||||||
2016 | 0.04 | g | 0.14 | e | 0.29 | e | 0.97 | 0.74 | 1.20 | 2.72 | 3.73 | 0.82 | 1.02 | c | 0.56 | c | 0.63 | h | ----- | z | ||||||
2017 | 0.04 | h | 0.31 | a | 0.07 | c | 0.66 | b | 1.35 | a | 0.01 | h | 0.36 | 5.26 | b | 0.43 | a | 1.74 | a | 0.06 | c | 0.02 | m | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.22 | 0.19 | 0.44 | 0.61 | 1.02 | 1.36 | 1.30 | 1.34 | 0.96 | 0.85 | 0.52 | 0.32 | 2.36 | |||||||||||||
S.D. | 0.18 | 0.15 | 0.32 | 0.34 | 0.62 | 0.99 | 0.91 | 1.25 | 0.74 | 0.72 | 0.52 | 0.23 | 0.96 | |||||||||||||
SKEW | 1.29 | 1.60 | 0.78 | 0.14 | 1.70 | 1.59 | 1.15 | 2.13 | 1.74 | 1.80 | 1.56 | 1.15 | 0.04 | |||||||||||||
MAX | 0.68 | 0.69 | 1.15 | 1.27 | 2.86 | 4.44 | 3.85 | 5.26 | 3.37 | 3.60 | 2.22 | 1.02 | 3.85 | |||||||||||||
MIN | 0.00 | 0.02 | 0.07 | 0.01 | 0.30 | 0.29 | 0.13 | 0.19 | 0.02 | 0.06 | 0.03 | 0.00 | 0.97 | |||||||||||||
YRS | 25 | 26 | 26 | 27 | 29 | 30 | 31 | 31 | 32 | 31 | 28 | 25 | 15 |