YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.92 | 0.02 | 4.77 | 1.97 | 1.60 | 9.28 | g | |||||
1932 | 1.32 | 3.01 | 0.03 | 2.95 | 1.97 | 2.92 | 0.56 | 2.61 | 5.78 | 0.12 | 0.00 | 2.68 | 23.95 | |||||||||||||
1933 | 0.03 | 0.73 | 0.47 | 0.34 | 1.75 | 0.06 | 1.18 | 1.56 | 3.27 | 2.11 | 1.02 | 0.41 | 12.93 | |||||||||||||
1934 | 0.20 | 0.73 | 1.35 | 1.29 | 0.37 | 0.00 | 0.70 | 0.67 | 1.25 | 0.60 | 1.30 | 0.03 | 8.49 | |||||||||||||
1935 | 0.08 | 0.97 | 1.50 | 0.79 | 3.55 | 2.82 | 3.16 | 0.17 | 5.31 | 1.47 | 1.45 | 0.41 | 21.68 | |||||||||||||
1936 | 0.21 | 0.05 | 0.15 | 1.54 | 3.77 | 0.40 | 1.41 | 0.05 | 6.91 | 1.11 | 0.65 | 0.45 | 16.70 | |||||||||||||
1937 | 0.28 | 0.00 | 1.20 | 0.13 | 2.45 | 0.25 | 0.82 | 4.07 | 0.32 | 0.39 | 0.95 | 1.15 | 12.01 | |||||||||||||
1938 | 1.88 | 2.15 | 1.54 | 0.73 | 1.00 | 3.69 | 4.60 | 0.10 | 0.18 | 0.84 | 0.67 | 0.00 | 17.38 | |||||||||||||
1939 | 2.41 | 0.05 | 0.12 | 0.12 | 3.38 | 5.42 | 0.32 | 2.83 | 0.05 | 1.25 | 0.86 | 0.84 | 17.65 | |||||||||||||
1940 | 0.10 | 0.84 | 0.00 | 1.12 | 1.32 | 3.32 | 0.18 | 1.94 | 0.12 | 2.50 | 1.04 | 0.42 | 12.90 | |||||||||||||
1941 | 0.78 | 1.21 | 2.61 | 5.27 | 5.86 | 2.01 | a | 3.71 | 3.08 | 4.77 | 4.46 | 0.14 | 0.66 | 34.56 | ||||||||||||
1942 | 0.00 | 0.61 | 0.00 | 1.63 | 1.72 | 0.29 | 2.07 | 7.65 | 3.56 | 3.44 | 0.00 | 2.49 | 23.46 | |||||||||||||
1943 | 0.72 | 0.00 | 1.22 | 0.71 | 5.11 | 1.71 | 0.92 | 0.00 | 1.00 | 0.12 | 1.15 | 1.70 | 14.36 | |||||||||||||
1944 | 1.40 | 2.90 | 0.14 | 0.44 | 2.22 | 2.06 | 4.86 | 1.00 | 0.99 | 0.59 | 2.48 | 1.43 | 20.51 | |||||||||||||
1945 | 0.61 | 0.49 | 0.97 | 0.63 | 0.33 | 0.70 | 4.89 | 1.03 | 2.05 | 3.02 | 0.00 | 0.38 | 15.10 | |||||||||||||
1946 | 1.17 | 0.11 | 0.60 | 0.08 | 1.38 | 1.31 | 0.00 | 0.40 | 2.04 | 3.03 | 0.30 | 0.89 | 11.31 | |||||||||||||
1947 | 0.41 | a | 0.05 | 1.01 | 0.53 | 7.60 | 0.28 | 0.55 | 0.05 | h | ----- | z | 0.00 | x | 1.67 | 1.42 | 13.52 | c | ||||||||
1948 | 0.11 | 1.16 | 0.03 | 0.00 | 3.89 | 0.17 | 6.38 | b | 0.08 | 0.35 | 2.28 | ----- | z | ----- | z | 14.45 | b | |||||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.71 | 3.19 | 3.43 | 4.22 | 0.06 | 0.00 | 0.00 | 12.61 | e | |||||||
1951 | 0.07 | 0.04 | a | 0.66 | a | 0.46 | 1.55 | 1.67 | 3.15 | 4.79 | 1.06 | 0.49 | 0.03 | 0.04 | 14.01 | |||||||||||
1952 | 0.13 | 0.26 | 0.60 | 0.75 | 1.34 | 0.00 | 1.37 | 0.48 | 2.73 | 0.00 | 1.84 | 1.09 | 10.59 | |||||||||||||
1953 | 0.10 | 0.38 | 1.14 | 1.47 | 0.69 | 0.06 | 0.87 | 1.85 | 0.70 | 3.63 | 0.19 | 0.10 | 11.18 | |||||||||||||
1954 | 0.27 | 0.05 | 0.05 | 3.02 | 4.09 | 2.47 | 0.00 | e | 1.65 | 0.05 | 2.20 | 0.53 | 0.45 | 14.83 | ||||||||||||
1955 | 1.10 | 0.18 | 0.52 | 0.12 | 6.44 | 1.03 | 1.45 | 0.96 | 2.47 | 2.10 | 0.06 | 0.06 | 16.49 | |||||||||||||
1956 | 0.12 | 0.24 | 0.01 | 2.08 | 2.35 | 2.09 | 0.42 | 0.28 | 0.68 | 1.90 | 0.22 | 0.62 | a | 11.01 | ||||||||||||
1957 | 0.17 | 2.11 | 0.17 | 3.45 | 5.34 | 2.52 | 1.34 | 0.29 | 0.91 | 3.75 | 2.01 | 0.21 | 22.27 | |||||||||||||
1958 | 1.19 | 1.05 | 2.09 | 3.47 | 2.83 | 0.57 | 0.46 | 1.75 | 3.06 | 3.56 | 0.87 | 0.00 | 20.90 | |||||||||||||
1959 | 0.00 | 0.18 | 1.09 | 0.85 | 1.95 | 5.05 | 3.25 | 0.61 | 0.80 | 3.01 | 0.37 | 1.79 | 18.95 | |||||||||||||
1960 | 1.31 | 0.32 | 0.10 | 0.86 | 1.11 | 0.22 | 4.88 | 0.66 | 0.29 | 3.41 | 0.07 | 1.43 | a | 14.66 | ||||||||||||
1961 | 1.79 | 0.64 | 0.97 | 0.02 | 0.64 | 5.04 | 5.13 | 0.89 | 0.49 | 0.87 | 2.60 | 0.39 | 19.47 | |||||||||||||
1962 | 0.00 | 0.00 | 0.48 | 0.52 | 1.10 | 6.73 | 1.65 | 2.93 | 6.78 | 1.72 | 0.13 | 0.89 | 22.93 | |||||||||||||
1963 | 0.00 | 0.28 | 0.03 | 2.36 | 3.50 | 3.23 | 0.14 | 2.36 | 0.77 | 0.87 | 1.47 | 0.22 | 15.23 | |||||||||||||
1964 | 1.05 | 0.49 | 0.52 | 0.00 | 3.11 | 2.63 | 0.32 | 4.10 | 1.05 | 0.82 | 0.32 | b | 0.60 | 15.01 | ||||||||||||
1965 | 0.00 | 0.86 | 0.00 | 0.68 | 6.27 | 4.87 | 0.00 | 2.12 | 5.01 | 0.00 | a | 0.68 | 0.27 | 20.76 | ||||||||||||
1966 | 0.60 | 0.95 | 0.65 | 7.71 | 1.96 | 2.01 | 1.07 | 3.32 | 1.11 | 0.77 | 0.03 | 0.09 | 20.27 | |||||||||||||
1967 | 0.00 | 0.15 | 1.30 | 0.00 | 0.36 | 9.40 | 1.53 | 0.79 | 1.68 | 0.45 | 0.78 | 1.25 | 17.69 | |||||||||||||
1968 | 2.26 | 1.69 | 2.79 | 2.94 | 1.21 | 0.90 | 1.36 | 2.24 | ----- | z | ----- | z | 3.00 | 0.00 | 18.39 | b | ||||||||||
1969 | 0.00 | 0.71 | a | 1.31 | 2.46 | 5.34 | 0.73 | 0.44 | 3.15 | 1.32 | 5.64 | 1.33 | ----- | z | 22.43 | a | ||||||||||
1970 | 0.15 | ----- | z | ----- | z | 0.65 | 3.39 | 1.28 | 0.00 | 1.32 | 2.68 | ----- | z | 0.00 | 0.33 | 9.80 | c | |||||||||
1971 | 0.00 | 0.08 | 0.00 | 1.36 | 2.51 | 1.19 | 2.50 | 8.67 | 3.70 | 1.35 | 0.27 | 0.70 | 22.33 | |||||||||||||
1972 | 0.08 | 0.00 | 0.23 | 1.39 | 3.03 | 1.56 | 2.27 | 11.01 | 2.68 | 5.59 | 0.10 | ----- | z | 27.94 | a | |||||||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.30 | i | 0.40 | 0.00 | 0.00 | 0.40 | i | |||
1974 | 0.68 | 0.37 | 0.13 | 2.42 | 1.58 | 0.92 | 0.48 | 4.62 | 6.03 | 5.55 | 0.43 | 0.63 | 23.84 | |||||||||||||
1975 | 0.32 | 0.67 | 0.08 | 0.51 | 3.75 | 3.00 | c | 6.63 | 5.92 | 4.39 | 0.62 | 1.30 | a | 1.08 | 28.27 | |||||||||||
1976 | 0.00 | 0.00 | 0.26 | 4.56 | 1.47 | 0.20 | 5.70 | 2.78 | 4.04 | 2.26 | a | 0.35 | 0.05 | 21.67 | ||||||||||||
1977 | 0.65 | 0.49 | 1.29 | 2.88 | 1.75 | 2.63 | 1.41 | 3.54 | 0.22 | 0.18 | ----- | z | ----- | z | 15.04 | b | ||||||||||
1978 | 0.53 | 0.98 | a | 0.08 | 0.00 | 2.59 | 2.74 | 1.94 | 0.82 | 6.39 | 1.58 | 0.51 | 0.30 | 18.46 | ||||||||||||
1979 | 0.78 | o | 0.51 | 1.60 | 0.23 | 3.68 | a | 1.13 | 3.81 | 2.19 | 0.00 | 0.36 | 0.54 | 2.51 | a | 16.56 | a | |||||||||
1980 | 0.70 | 0.46 | 0.21 | 0.60 | 6.21 | 1.46 | 0.28 | 0.38 | 11.16 | a | 0.20 | 1.00 | 1.87 | 24.53 | ||||||||||||
1981 | 0.53 | 0.77 | 0.78 | 2.60 | 1.31 | a | 2.46 | 0.32 | 2.73 | 0.65 | 3.68 | 0.68 | 0.27 | 16.78 | ||||||||||||
1982 | 0.63 | a | 0.40 | 0.38 | 0.75 | 5.05 | 9.99 | 0.86 | 5.38 | 0.41 | 0.41 | 1.10 | 1.47 | 26.83 | ||||||||||||
1983 | 3.04 | 0.15 | 0.40 | 0.00 | d | 1.17 | 0.84 | 0.50 | 1.56 | 1.77 | 5.05 | a | 0.54 | ----- | z | 15.02 | a | |||||||||
1984 | 0.75 | 0.16 | 0.00 | 0.00 | 0.05 | 0.55 | 1.15 | 2.37 | 2.85 | 3.15 | 2.32 | 2.87 | 16.22 | |||||||||||||
1985 | 0.20 | a | 1.28 | 2.44 | 3.70 | 4.89 | 3.29 | 2.63 | 0.00 | 1.67 | 3.33 | 0.38 | 0.08 | 23.89 | ||||||||||||
1986 | 0.00 | 0.32 | 0.26 | c | 1.08 | 2.83 | 4.16 | 0.93 | 4.22 | 6.80 | 5.82 | 0.50 | 1.95 | 28.87 | ||||||||||||
1987 | 0.53 | 2.24 | 0.76 | 0.32 | 6.19 | 3.56 | 2.30 | 2.09 | 1.36 | 0.03 | 0.02 | 1.47 | a | 20.87 | ||||||||||||
1988 | 0.08 | 0.59 | 0.51 | 0.70 | 2.45 | 2.38 | 3.48 | 0.39 | 3.90 | 0.00 | 0.00 | 0.66 | 15.14 | |||||||||||||
1989 | 0.68 | 1.10 | c | 0.02 | a | 0.63 | 0.20 | 2.06 | 2.18 | 2.13 | 2.10 | 0.33 | 0.00 | 0.29 | 11.72 | |||||||||||
1990 | 0.68 | 1.22 | 1.89 | 4.57 | 0.42 | 0.57 | 6.59 | 6.20 | 3.38 | 1.67 | 1.68 | 0.67 | 29.54 | |||||||||||||
1991 | 2.21 | 0.00 | 0.19 | 0.07 | 2.49 | 6.08 | 4.79 | 2.22 | 6.07 | 1.01 | 0.75 | 3.70 | 29.58 | |||||||||||||
1992 | 2.80 | h | 2.97 | 0.52 | 1.58 | 8.23 | 5.16 | 1.97 | 0.76 | 0.12 | 0.00 | 1.31 | 0.74 | 23.36 | a | |||||||||||
1993 | 1.21 | 1.63 | 0.20 | a | 3.56 | 0.75 | 4.04 | 0.86 | 1.09 | 1.31 | 1.72 | 0.34 | 0.28 | 16.99 | ||||||||||||
1994 | 1.07 | 0.20 | 0.00 | 0.41 | 3.58 | 0.00 | 0.48 | 0.15 | 5.38 | 1.80 | 2.16 | 0.59 | 15.82 | |||||||||||||
1995 | 0.62 | 2.38 | 0.00 | 1.03 | 6.48 | 2.43 | 2.29 | 2.44 | 4.18 | 1.03 | 0.12 | 0.00 | 23.00 | |||||||||||||
1996 | 0.27 | 0.00 | 0.28 | 1.38 | 0.53 | 3.13 | 0.93 | 4.70 | 1.35 | 1.07 | 3.35 | 0.00 | 16.99 | |||||||||||||
1997 | 0.15 | 3.93 | 0.00 | 4.83 | 3.78 | 9.21 | 0.63 | 2.58 | 0.00 | c | 1.32 | 0.33 | 2.20 | 28.96 | ||||||||||||
1998 | 0.81 | 1.16 | 0.93 | ----- | z | 1.00 | 0.75 | 0.05 | 2.57 | 0.00 | 1.21 | 1.32 | 0.47 | 10.27 | a | |||||||||||
1999 | 0.15 | 0.00 | 1.82 | 2.03 | 3.25 | 6.34 | 0.98 | 2.12 | 2.13 | 0.43 | 0.00 | 0.00 | 19.25 | |||||||||||||
2000 | 0.46 | 0.22 | 4.25 | 0.33 | 0.82 | 6.47 | 1.08 | 0.00 | 0.00 | 2.22 | 2.20 | 0.30 | 18.35 | |||||||||||||
2001 | 1.06 | 1.79 | 1.64 | 0.02 | 1.16 | 0.00 | 0.27 | 5.00 | 4.57 | 0.99 | 6.00 | 0.77 | 23.27 | |||||||||||||
2002 | 0.25 | 1.16 | 4.58 | 0.56 | 6.09 | 2.23 | 2.96 | 1.47 | 3.23 | 4.29 | 0.00 | 2.34 | 29.16 | |||||||||||||
2003 | 0.00 | 0.65 | ----- | z | 0.96 | 2.44 | 5.21 | 0.00 | ----- | z | 0.62 | 1.66 | 2.11 | 0.00 | 13.65 | b | ||||||||||
2004 | 2.87 | 2.18 | 4.63 | 4.63 | 0.00 | 3.15 | 2.87 | 5.78 | 3.37 | 3.63 | 8.75 | 0.40 | 42.26 | |||||||||||||
2005 | 0.49 | 1.04 | 1.26 | 0.18 | 1.98 | 1.44 | 1.01 | 6.24 | 0.00 | 4.05 | 0.00 | ----- | z | 17.69 | a | |||||||||||
2006 | 0.58 | 0.41 | 1.31 | 0.54 | ----- | z | ----- | z | ----- | z | ----- | z | 3.04 | 3.76 | 0.00 | ----- | z | 9.64 | e | |||||||
2007 | ----- | z | ----- | z | 5.66 | 2.20 | 5.61 | 2.94 | 0.00 | 5.75 | 0.00 | 2.75 | 0.94 | 0.94 | 26.79 | b | ||||||||||
2008 | 0.00 | 0.00 | 0.00 | 1.82 | 0.00 | 2.98 | 3.01 | 5.41 | 1.76 | 2.83 | 0.00 | 0.00 | 17.81 | |||||||||||||
2009 | ----- | z | 0.62 | ----- | z | 1.01 | 1.47 | 1.62 | 6.64 | 0.85 | 1.00 | ----- | z | 0.00 | 2.41 | 15.62 | c | |||||||||
2010 | 1.20 | 3.06 | 1.68 | 4.88 | 1.75 | 1.41 | 4.83 | 1.23 | 3.00 | 0.21 | 0.00 | 0.00 | 23.25 | |||||||||||||
2011 | 0.00 | 0.00 | 0.00 | 0.00 | 0.53 | 2.20 | 0.14 | 0.07 | 1.62 | 1.42 | 0.37 | 1.84 | 8.19 | |||||||||||||
2012 | 1.93 | 0.93 | 0.68 | 0.99 | 2.79 | 0.72 | 0.65 | 0.11 | 1.23 | 0.49 | 0.00 | m | 0.00 | 10.52 | a | |||||||||||
2013 | 0.71 | 0.48 | 0.00 | d | 0.00 | 2.46 | a | ----- | z | 2.69 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 6.34 | f | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.64 | 0.81 | 0.90 | 1.45 | 2.70 | 2.48 | 1.94 | 2.41 | 2.35 | 1.91 | 0.95 | 0.82 | 19.53 | |||||||||||||
S.D. | 0.71 | 0.88 | 1.16 | 1.57 | 1.99 | 2.23 | 1.84 | 2.23 | 2.22 | 1.61 | 1.35 | 0.85 | 6.49 | |||||||||||||
SKEW | 1.50 | 1.52 | 2.16 | 1.55 | 0.80 | 1.40 | 1.06 | 1.37 | 1.25 | 0.76 | 3.35 | 1.20 | 0.84 | |||||||||||||
MAX | 3.04 | 3.93 | 5.66 | 7.71 | 8.23 | 9.99 | 6.64 | 11.01 | 11.16 | 5.82 | 8.75 | 3.70 | 42.26 | |||||||||||||
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 | 8.19 | |||||||||||||
YRS | 75 | 77 | 76 | 78 | 78 | 78 | 79 | 77 | 78 | 77 | 78 | 74 | 61 |