YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.50 | 0.17 | ----- | z | 0.38 | 2.67 | 1.89 | 0.11 | 6.72 | f | ||||||
1941 | 0.71 | 1.03 | ----- | z | 2.46 | 4.73 | 1.88 | 3.45 | 1.96 | 7.08 | 10.59 | 0.00 | 1.45 | 35.34 | a | |||||||||||
1942 | 0.24 | 0.31 | 0.00 | 0.80 | 1.66 | 0.00 | 0.00 | ----- | z | 0.84 | 0.62 | ----- | z | ----- | z | 4.47 | c | |||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.44 | 2.73 | 0.61 | 1.86 | 5.61 | 0.00 | 0.00 | a | 12.25 | e | ||||||
1946 | ----- | z | 0.00 | ----- | z | ----- | z | 0.75 | 0.80 | 0.47 | 0.73 | 0.37 | 3.37 | 0.02 | 6.14 | 12.65 | c | |||||||||
1947 | 0.35 | y | 0.00 | 0.07 | 0.00 | 3.48 | 0.73 | 0.35 | ----- | z | 0.21 | 0.01 | g | ----- | z | ----- | z | 4.84 | e | |||||||
1948 | 0.52 | p | 0.03 | n | 0.24 | 0.18 | 0.00 | x | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | j | ----- | z | 0.48 | 0.90 | i | |||
1949 | 1.90 | 0.00 | 0.13 | 1.80 | 2.23 | 3.71 | 2.05 | 1.98 | 2.92 | 1.67 | a | 0.00 | 0.54 | 18.93 | ||||||||||||
1950 | 0.80 | 0.19 | 0.00 | 0.28 | b | 1.03 | e | 0.00 | 1.95 | 0.59 | g | 2.21 | 0.17 | 0.00 | 0.00 | 6.63 | a | |||||||||
1951 | 0.00 | 0.27 | 1.00 | 0.33 | 0.53 | 2.09 | 0.55 | 0.77 | 0.89 | 0.17 | 0.01 | 0.17 | 6.78 | |||||||||||||
1952 | 0.44 | 0.26 | 0.00 | 0.53 | 1.20 | 0.48 | 0.73 | 0.00 | 0.55 | 0.00 | 1.07 | 1.46 | 6.72 | |||||||||||||
1953 | 0.00 | 0.00 | b | 0.00 | a | 0.00 | a | 0.00 | 0.00 | 0.30 | 0.30 | 0.00 | 0.20 | 0.00 | 0.50 | 1.30 | ||||||||||
1954 | 0.26 | 0.00 | 0.50 | 1.89 | 2.00 | 0.25 | 0.00 | 1.91 | 0.16 | 4.07 | 0.00 | 0.00 | 11.04 | |||||||||||||
1955 | 1.06 | ----- | z | 0.00 | ----- | z | 1.75 | 1.49 | 2.83 | 1.47 | 1.50 | 0.71 | 0.23 | 0.00 | 11.04 | b | ||||||||||
1956 | 0.45 | ----- | z | 0.00 | 0.30 | 0.00 | 0.00 | 0.43 | 0.37 | 0.68 | 0.64 | 0.00 | 0.27 | 3.14 | a | |||||||||||
1957 | 0.35 | 1.33 | 0.00 | 4.00 | 4.39 | 0.04 | 0.00 | 0.00 | 0.68 | 2.44 | 0.47 | 0.17 | 13.87 | |||||||||||||
1958 | 1.75 | 1.14 | 0.63 | 0.59 | 1.11 | 0.32 | 0.80 | 0.74 | 3.33 | 1.80 | 0.34 | 0.00 | 12.55 | |||||||||||||
1959 | 0.00 | 0.00 | 0.10 | 0.57 | 2.31 | 1.05 | 3.29 | 0.00 | 0.00 | 1.04 | 0.84 | ----- | z | 9.20 | a | |||||||||||
1960 | ----- | z | ----- | z | ----- | z | 0.65 | 0.53 | 1.12 | 2.17 | 3.81 | 1.00 | 2.10 | 0.21 | 1.04 | c | 12.63 | c | ||||||||
1961 | 1.10 | 0.11 | 0.46 | 0.18 | 0.20 | 1.88 | 3.02 | 0.58 | 1.33 | 0.00 | 0.83 | 0.00 | 9.69 | |||||||||||||
1962 | 0.00 | 0.11 | 0.51 | 0.41 | 0.00 | 0.38 | 1.21 | 0.04 | 0.41 | 0.00 | 0.48 | 0.47 | 4.02 | |||||||||||||
1963 | 0.00 | 0.11 | 0.75 | 0.00 | 0.91 | 1.19 | 0.15 | 0.16 | 0.11 | 0.73 | 0.80 | 0.00 | 4.91 | |||||||||||||
1964 | 0.31 | 0.00 | 0.61 | 0.00 | 0.00 | 0.16 | 0.00 | 0.07 | 3.56 | 0.49 | 0.30 | 0.26 | 5.76 | |||||||||||||
1965 | 0.00 | 2.76 | 0.00 | 0.00 | 1.60 | 4.07 | 0.00 | 0.65 | 1.08 | 1.65 | 0.00 | 0.34 | 12.15 | |||||||||||||
1966 | 0.85 | 0.15 | 0.00 | 1.16 | 0.65 | 1.35 | 0.00 | 0.25 | 1.09 | 1.35 | 0.00 | 0.00 | 6.85 | |||||||||||||
1967 | 0.00 | 0.00 | 0.23 | 0.10 | 0.52 | 2.49 | 0.79 | 0.22 | 2.52 | 0.20 | 0.59 | 0.94 | 8.60 | |||||||||||||
1968 | 0.57 | 0.50 | 1.27 | 0.46 | 2.36 | 0.00 | 2.80 | 2.24 | 1.23 | 0.00 | 2.62 | 0.00 | 14.05 | |||||||||||||
1969 | 0.00 | 0.46 | 0.21 | 2.50 | 0.50 | 0.77 | 0.89 | 0.00 | 3.34 | 2.77 | 1.52 | 0.80 | 13.76 | |||||||||||||
1970 | 0.00 | 1.27 | 1.46 | 0.48 | 0.00 | 1.71 | 0.00 | 1.09 | 3.22 | 1.03 | c | 0.00 | 0.00 | 10.26 | ||||||||||||
1971 | 0.00 | 0.00 | 0.00 | 0.39 | 0.32 | 0.15 | 0.00 | 4.64 | 0.50 | 0.22 | 0.00 | 0.00 | 6.22 | |||||||||||||
1972 | 1.00 | 0.00 | 0.00 | 0.16 | ----- | z | ----- | z | 0.00 | 2.74 | 2.60 | 1.36 | 0.00 | 0.00 | 7.86 | b | ||||||||||
1973 | 0.26 | 1.92 | b | 1.31 | 0.52 | 0.04 | 0.00 | 4.49 | 0.76 | 0.20 | d | 0.16 | 0.00 | 0.00 | 9.66 | |||||||||||
1974 | 0.77 | 0.00 | 0.09 | 2.37 | 0.00 | 0.30 | 0.00 | 5.13 | 5.40 | 3.42 | 1.58 | 0.60 | 19.66 | |||||||||||||
1975 | 1.50 | 0.46 | c | 0.00 | 0.00 | 3.34 | 1.22 | 1.67 | 0.38 | 3.06 | 0.42 | 0.57 | 0.50 | 13.12 | ||||||||||||
1976 | 0.00 | 0.06 | 0.00 | 2.28 | 1.10 | 0.97 | 3.15 | 0.00 | 4.17 | 1.12 | b | 0.50 | 0.00 | 13.35 | ||||||||||||
1977 | 0.50 | 0.46 | 0.00 | 0.88 | 1.37 | 1.53 | 0.34 | 1.05 | 1.03 | 1.10 | 0.46 | 0.00 | 8.72 | |||||||||||||
1978 | 0.25 | 0.30 | 0.00 | 0.00 | 3.00 | 1.66 | 0.68 | 2.18 | 7.11 | c | 3.52 | 1.60 | 0.16 | 20.46 | ||||||||||||
1979 | 0.00 | 0.84 | 0.25 | 0.00 | 0.25 | 1.02 | 0.87 | 1.54 | 0.25 | 0.00 | 0.00 | 1.39 | 6.41 | |||||||||||||
1980 | 0.30 | 0.10 | 0.00 | 0.02 | 1.93 | 1.38 | 0.00 | 1.65 | 6.20 | f | 0.02 | 1.84 | 1.08 | 8.32 | a | |||||||||||
1981 | 1.28 | 1.22 | 0.19 | 3.47 | 1.49 | 0.07 | 2.33 | 1.97 | 0.71 | 5.64 | 0.00 | 0.00 | 18.37 | |||||||||||||
1982 | 0.00 | a | 0.17 | 0.00 | 0.74 | 2.05 | 2.47 | 0.39 | ----- | z | 0.00 | 0.00 | 0.70 | 0.87 | a | 7.39 | a | |||||||||
1983 | 0.31 | 0.00 | 0.00 | 0.00 | 0.62 | 1.11 | 0.12 | 0.23 | 0.13 | 2.18 | 1.02 | 0.00 | 5.72 | |||||||||||||
1984 | 0.66 | 0.14 | 0.00 | 0.00 | 2.60 | 0.75 | 0.00 | 0.00 | 3.09 | 2.45 | 2.15 | 1.66 | 13.50 | |||||||||||||
1985 | 0.47 | a | 0.50 | 0.00 | 0.70 | 0.20 | 1.10 | 2.10 | 0.16 | 0.49 | 1.51 | 0.35 | 0.00 | 7.58 | ||||||||||||
1986 | 0.15 | 0.16 | 0.00 | 0.00 | 2.98 | 1.70 | 0.60 | 5.15 | 3.31 | 3.58 | 0.95 | 3.70 | 22.28 | |||||||||||||
1987 | 0.00 | 1.91 | 0.66 | 0.74 | 4.59 | 0.78 | 0.69 | 2.89 | 1.21 | 0.46 | 0.00 | 0.70 | 14.63 | |||||||||||||
1988 | 0.00 | 0.00 | 0.32 | 0.00 | 0.65 | 0.41 | 4.16 | 2.05 | 2.09 | 0.00 | a | 0.00 | 0.71 | 10.39 | ||||||||||||
1989 | 0.47 | 2.09 | 0.05 | 0.80 | 1.40 | 0.10 | 0.00 | 0.07 | 2.55 | 0.10 | 0.11 | 0.04 | 7.78 | |||||||||||||
1990 | 0.00 | 0.78 | 0.38 | 0.43 | 0.00 | 0.34 | 2.59 | 1.15 | 4.50 | 2.40 | 0.52 | 0.64 | 13.73 | |||||||||||||
1991 | 1.39 | 0.28 | 0.00 | 1.08 | 0.78 | 0.57 | 2.48 | 1.07 | 2.43 | 0.24 | 1.62 | a | 1.96 | 13.90 | ||||||||||||
1992 | 2.01 | 2.23 | x | 0.86 | 1.49 | 9.45 | 1.14 | 1.02 | 0.75 | 0.16 | 0.12 | 0.45 | 1.50 | 18.95 | a | |||||||||||
1993 | 0.79 | 0.30 | 0.17 | 0.00 | ----- | z | 0.30 | 2.80 | 1.30 | 0.92 | ----- | z | ----- | z | ----- | z | 6.58 | d | ||||||||
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 | 0.86 | l | 0.39 | e | 0.02 | b | 0.42 | 0.14 | e | 0.74 | d | 0.05 | c | 0.23 | d | 0.90 | c | 2.89 | d | |
2007 | 1.23 | c | 0.19 | e | 1.80 | f | 1.61 | c | 4.56 | c | 7.79 | b | 1.73 | a | 0.64 | m | 0.75 | f | 0.07 | k | 0.00 | h | 0.06 | n | 17.11 | f |
2008 | 0.00 | d | 0.00 | g | 1.52 | h | 1.80 | e | 3.64 | c | 0.74 | f | 0.37 | i | 5.51 | k | 1.77 | g | 2.62 | e | 0.02 | i | 0.30 | f | 8.06 | h |
2009 | 0.00 | c | 0.82 | e | 0.04 | c | 3.91 | c | 0.71 | d | 3.09 | b | 1.60 | b | 0.39 | a | 1.80 | b | 2.58 | c | 0.00 | f | 0.07 | j | 14.94 | b |
2010 | 1.65 | m | 0.98 | j | 1.12 | f | 1.35 | f | 3.02 | e | 2.52 | c | 1.76 | f | 0.02 | b | 0.00 | j | 0.00 | h | 0.00 | e | 0.00 | d | 5.56 | g |
2011 | 0.00 | f | 0.14 | i | 0.00 | c | 0.00 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | k |
2012 | ----- | z | ----- | z | 2.64 | h | 1.69 | g | 0.39 | g | 1.59 | e | 0.33 | h | 1.72 | d | 1.79 | e | 0.29 | b | 0.15 | 0.24 | a | 5.78 | f | |
2013 | 0.43 | 1.51 | c | 0.61 | 1.60 | 0.93 | 2.52 | b | 3.49 | b | 1.12 | 1.52 | 0.86 | a | 0.09 | c | 0.09 | d | 14.77 | |||||||
2014 | 0.00 | d | 0.00 | e | 0.99 | c | 1.33 | 2.10 | 2.20 | b | 4.81 | a | 1.97 | c | 1.13 | 0.86 | 3.05 | 0.80 | b | 19.24 | ||||||
2015 | 0.97 | 0.92 | b | 1.29 | a | 3.02 | 12.47 | b | 2.80 | 3.84 | 0.69 | 0.86 | 4.17 | 3.78 | 1.86 | 36.67 | ||||||||||
2016 | 0.31 | a | 1.24 | 0.89 | 0.19 | r | 2.07 | v | 2.30 | a | 3.42 | 1.21 | 4.60 | 0.57 | a | 1.22 | 0.26 | b | 16.02 | b | ||||||
2017 | 1.59 | 1.89 | 0.48 | 1.00 | 4.01 | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | q | 0.06 | 0.40 | k | 9.03 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.51 | 0.54 | 0.31 | 0.91 | 1.86 | 1.27 | 1.40 | 1.19 | 1.77 | 1.55 | 0.63 | 0.63 | 12.04 | |||||||||||||
S.D. | 0.56 | 0.68 | 0.41 | 1.05 | 2.25 | 1.31 | 1.40 | 1.28 | 1.69 | 1.89 | 0.85 | 1.03 | 6.48 | |||||||||||||
SKEW | 1.05 | 1.41 | 1.29 | 1.39 | 2.66 | 2.37 | 0.73 | 1.57 | 1.36 | 2.34 | 1.77 | 3.38 | 1.45 | |||||||||||||
MAX | 2.01 | 2.76 | 1.46 | 4.00 | 12.47 | 7.79 | 4.81 | 5.15 | 7.11 | 10.59 | 3.78 | 6.14 | 36.67 | |||||||||||||
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 | 1.30 | |||||||||||||
YRS | 54 | 52 | 54 | 55 | 56 | 59 | 58 | 54 | 57 | 57 | 56 | 55 | 38 |