YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | ----- | z | ----- | z | ----- | z | ----- | z | 1.32 | 3.19 | 2.40 | 6.50 | 0.65 | 0.86 | 0.43 | 0.14 | 15.49 | d | ||||||||
1940 | 0.24 | b | 0.86 | 1.43 | 1.84 | 1.84 | 3.61 | 2.98 | y | 6.68 | ----- | z | ----- | z | ----- | z | ----- | z | 16.50 | e | ||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | 10.06 | 3.71 | 5.65 | 3.18 | 3.67 | 0.39 | a | ----- | z | 26.66 | f | |||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.68 | ----- | z | 2.14 | 1.64 | 1.27 | 0.40 | 1.33 | 8.46 | f | ||||||
1956 | 0.51 | 0.44 | 3.27 | 2.39 | 3.76 | 3.86 | 4.82 | 3.98 | 1.78 | 1.06 | a | 0.97 | 0.70 | 27.54 | ||||||||||||
1957 | 0.15 | 0.27 | 0.99 | 1.23 | 4.24 | 4.18 | 8.89 | 5.58 | 1.32 | 1.32 | 2.53 | b | 0.75 | 31.45 | ||||||||||||
1958 | 0.06 | 0.00 | 0.30 | 1.32 | b | ----- | z | ----- | z | 3.94 | 3.15 | 1.72 | 0.71 | 1.71 | 0.14 | 13.05 | b | |||||||||
1959 | 0.50 | 1.55 | 2.36 | 0.72 | 4.63 | 7.85 | 2.00 | 7.44 | 4.35 | 1.63 | 1.86 | 1.21 | 36.10 | |||||||||||||
1960 | 0.55 | a | 0.38 | 0.55 | 2.92 | 6.64 | 6.18 | 2.88 | 8.01 | 3.78 | 1.05 | 1.78 | 0.42 | 35.14 | ||||||||||||
1961 | 0.13 | 1.46 | 3.95 | 1.25 | 2.50 | 2.51 | 5.18 | 4.04 | 4.72 | 3.50 | 1.96 | 1.29 | 32.49 | |||||||||||||
1962 | 0.02 | 2.01 | 1.67 | 2.24 | 2.30 | 2.56 | 3.40 | 9.87 | 2.04 | 2.64 | 0.00 | 0.34 | 29.09 | |||||||||||||
1963 | 0.84 | 0.43 | 1.83 | 2.92 | 3.56 | 1.86 | 3.92 | 2.56 | 2.81 | 2.23 | 1.74 | 0.61 | 25.31 | |||||||||||||
1964 | 0.40 | 0.00 | 0.89 | 1.90 | 3.38 | 1.37 | 0.78 | 3.01 | 4.10 | 0.33 | 0.77 | 0.77 | 17.70 | |||||||||||||
1965 | 0.32 | 1.10 | 2.09 | 4.46 | 3.76 | 1.89 | 4.50 | 3.65 | 10.87 | 1.29 | 1.46 | 1.94 | 37.33 | |||||||||||||
1966 | 0.54 | 1.47 | 2.61 | 1.25 | 1.67 | 5.46 | 2.31 | 2.81 | f | 1.63 | 4.06 | 0.31 | 0.95 | 22.26 | a | |||||||||||
1967 | 1.52 | 0.85 | 1.64 | 2.12 | 2.34 | 8.13 | 1.10 | 2.46 | 2.55 | 2.50 | 0.06 | 0.43 | 25.70 | |||||||||||||
1968 | 0.54 | 0.02 | 0.95 | 5.92 | 4.24 | 6.34 | 4.66 | 0.60 | 5.19 | 2.93 | 0.38 | 2.15 | 33.92 | |||||||||||||
1969 | 1.63 | 0.01 | 0.64 | 2.00 | 3.18 | 7.23 | 5.07 | 0.80 | 1.42 | 3.66 | 0.81 | 1.61 | 28.06 | |||||||||||||
1970 | 0.30 | 0.05 | 1.16 | 2.35 | 5.49 | 4.66 | 4.77 | 0.63 | 3.91 | 4.79 | 2.67 | 1.01 | 31.79 | |||||||||||||
1971 | 1.30 | 2.15 | 0.90 | 1.35 | 5.64 | 4.54 | 4.87 | 1.03 | 3.12 | 1.79 | 2.71 | 0.87 | 30.27 | |||||||||||||
1972 | 0.61 | 0.29 | 0.96 | 1.51 | 4.77 | 3.70 | 9.66 | 3.00 | 6.51 | 3.96 | 1.28 | 1.29 | 37.54 | |||||||||||||
1973 | 1.00 | 0.69 | 1.78 | 4.63 | 6.57 | 2.82 | 2.15 | 6.76 | 5.24 | 1.48 | 2.03 | 1.25 | 36.40 | |||||||||||||
1974 | 0.08 | 1.29 | 1.75 | 2.61 | 4.84 | 9.37 | 1.61 | 4.29 | 1.98 | 1.99 | 0.80 | 1.51 | 32.12 | |||||||||||||
1975 | 1.30 | 0.74 | 1.74 | 5.63 | 3.69 | 4.00 | 1.83 | 4.23 | 0.56 | 0.25 | 3.87 | 1.20 | 29.04 | |||||||||||||
1976 | 0.29 | 0.87 | 2.84 | n | 2.66 | 3.51 | 2.15 | 1.95 | 2.15 | 0.84 | 0.67 | 0.05 | 0.63 | 15.77 | a | |||||||||||
1977 | 0.61 | 1.06 | 3.21 | 4.27 | 2.86 | 4.56 | 3.88 | 5.43 | 3.05 | 2.57 | 1.01 | 2.31 | 34.82 | |||||||||||||
1978 | 1.39 | ----- | z | 0.36 | 3.73 | 4.97 | 3.62 | 7.19 | 2.01 | 3.82 | 1.12 | 2.13 | 0.93 | 31.27 | a | |||||||||||
1979 | 1.23 | 0.83 | 2.66 | 2.71 | 3.55 | 5.95 | 3.09 | 10.68 | 0.34 | 4.42 | 2.73 | 0.57 | 38.76 | |||||||||||||
1980 | 1.67 | 0.41 | 1.30 | 1.57 | 7.16 | 4.91 | 1.79 | 11.68 | 5.93 | 2.42 | 0.23 | 0.81 | 39.88 | |||||||||||||
1981 | 0.07 | 2.66 | 0.56 | 4.05 | 2.03 | 4.66 | 10.23 | 8.92 | 2.40 | 1.99 | 0.98 | 1.29 | 39.84 | |||||||||||||
1982 | 2.22 | 0.12 | 1.67 | 2.12 | 6.05 | 1.82 | 2.24 | 3.92 | 6.36 | 5.57 | 3.88 | 3.80 | a | 39.77 | ||||||||||||
1983 | 1.35 | 1.60 | 2.30 | 3.47 | 7.27 | 4.70 | 4.24 | 6.65 | 6.06 | 3.90 | 5.04 | 1.31 | 47.89 | |||||||||||||
1984 | 0.17 | 1.75 | 2.24 | 4.70 | 2.85 | 7.84 | 2.61 | 2.00 | 2.91 | 3.13 | 2.50 | 2.23 | 34.93 | |||||||||||||
1985 | 0.93 | 1.00 | 3.15 | 2.57 | 1.82 | 2.18 | 2.49 | 2.93 | 7.86 | 1.09 | 3.75 | 1.93 | 31.70 | |||||||||||||
1986 | 0.61 | 0.63 | 1.76 | 3.90 | 3.79 | 3.93 | 5.33 | 2.61 | 8.84 | 4.30 | 1.40 | 0.42 | 37.52 | |||||||||||||
1987 | 0.58 | 0.00 | 2.45 | 1.69 | 4.56 | 3.30 | 5.05 | 4.61 | 1.72 | 0.49 | 2.62 | 2.20 | 29.27 | |||||||||||||
1988 | 1.37 | 0.38 | 1.57 | 2.38 | 1.53 | 1.00 | 2.12 | 4.74 | 4.24 | 0.51 | 3.88 | 0.91 | y | 23.72 | a | |||||||||||
1989 | 0.42 | 0.31 | 1.89 | 3.59 | 1.29 | 2.45 | 3.97 | 2.84 | 4.00 | 2.37 | 1.28 | 0.33 | 24.74 | |||||||||||||
1990 | 0.64 | 0.78 | 3.81 | 4.16 | a | 3.82 | 9.86 | 5.58 | 9.41 | 1.67 | 1.95 | 0.58 | 2.79 | 45.05 | ||||||||||||
1991 | 0.56 | 0.31 | 2.52 | 5.97 | 6.84 | 2.33 | 5.13 | 3.08 | 3.59 | 1.90 | 7.01 | 1.81 | 41.05 | |||||||||||||
1992 | 1.34 | 0.53 | 3.72 | 3.53 | 1.94 | 1.69 | 5.96 | 2.28 | 8.18 | 0.67 | 4.43 | 1.44 | 35.71 | |||||||||||||
1993 | 1.20 | 1.27 | 2.12 | 7.63 | 4.40 | 5.91 | 4.75 | 6.44 | 1.88 | 0.93 | 1.10 | 0.57 | 38.20 | |||||||||||||
1994 | 1.71 | b | 1.02 | b | 0.10 | a | 5.32 | 1.60 | 5.21 | 3.50 | 6.12 | 3.03 | 2.74 | 1.92 | 0.60 | 32.87 | ||||||||||
1995 | 0.59 | 0.03 | 3.07 | 3.91 | 3.37 | 0.93 | 3.29 | 2.78 | 2.75 | 3.03 | 1.28 | 0.55 | 25.58 | |||||||||||||
1996 | 3.12 | 0.16 | 2.21 | 1.32 | 1.79 | 5.08 | 0.88 | 3.82 | 1.82 | 3.44 | 4.00 | 1.33 | 28.97 | |||||||||||||
1997 | 1.72 | 0.99 | 2.39 | 1.21 | 4.33 | 2.90 | 7.78 | 4.88 | 1.94 | 2.17 | 0.40 | 0.52 | 31.23 | |||||||||||||
1998 | 1.49 | 2.63 | 2.36 | 2.23 | 4.41 | 8.00 | 4.69 | 5.85 | 0.69 | 4.30 | 1.09 | 0.20 | 37.94 | |||||||||||||
1999 | 2.16 | 0.75 | 0.96 | 8.38 | 2.66 | 4.23 | 10.46 | 6.39 | 1.73 | 1.34 | 1.70 | 0.71 | 41.47 | |||||||||||||
2000 | 1.27 | 0.98 | 1.61 | 0.70 | 8.03 | 10.09 | 4.51 | c | 4.54 | c | 1.34 | 0.70 | 2.94 | 2.08 | 38.79 | |||||||||||
2001 | 0.98 | 0.94 | a | 1.19 | 5.32 | 5.92 | 2.91 | 1.67 | 2.99 | 4.43 | 1.94 | 1.22 | 1.13 | b | 30.64 | |||||||||||
2002 | 0.55 | 2.80 | 1.63 | 5.79 | 2.71 | 8.67 | 5.81 | 4.59 | 3.65 | 4.64 | 0.91 | 1.45 | 43.20 | |||||||||||||
2003 | 0.58 | 0.41 | 2.82 | c | 3.28 | 6.48 | 3.88 | 4.18 | 1.28 | 2.49 | b | 0.53 | 1.47 | s | ----- | z | 25.93 | b | ||||||||
2004 | ----- | z | ----- | z | ----- | z | 2.59 | 7.46 | 10.94 | 5.32 | 3.33 | 5.95 | 2.12 | 1.83 | 1.12 | 40.66 | c | |||||||||
2005 | 1.49 | 1.57 | 2.55 | 2.82 | 3.05 | 6.32 | 5.37 | 5.58 | 6.22 | 0.75 | 2.67 | 0.93 | 39.32 | |||||||||||||
2006 | 0.48 | 0.36 | 3.29 | 4.34 | b | 3.88 | 4.14 | 3.20 | 5.39 | 3.37 | 0.79 | 1.80 | 1.33 | 32.37 | ||||||||||||
2007 | 1.00 | 2.80 | 1.95 | 2.56 | 3.30 | 5.57 | 4.72 | 17.40 | 2.93 | 5.03 | 0.26 | 2.02 | 49.54 | |||||||||||||
2008 | 0.85 | 0.95 | 0.78 | c | 7.62 | 3.45 | 8.70 | 3.18 | 2.32 | 1.61 | c | 1.68 | 1.80 | h | 2.12 | 33.26 | a | |||||||||
2009 | 0.44 | c | 0.91 | 0.85 | 2.84 | 4.34 | 4.59 | 2.54 | 4.64 | 1.21 | 6.90 | 0.50 | 2.46 | f | 29.76 | a | ||||||||||
2010 | 0.70 | 0.82 | 0.88 | 2.00 | a | 4.31 | 11.63 | 5.46 | 3.15 | a | 10.47 | 0.86 | 2.75 | i | 3.02 | 43.30 | a | |||||||||
2011 | 0.64 | 1.33 | 3.10 | 4.48 | b | 5.45 | a | 4.03 | 4.51 | 1.64 | 3.53 | 0.69 | 0.73 | b | 1.50 | 31.63 | ||||||||||
2012 | 0.98 | 1.41 | 2.20 | 3.80 | 3.92 | 2.80 | 3.05 | 3.48 | 2.02 | 3.92 | 0.78 | g | 1.55 | 29.13 | a | |||||||||||
2013 | 0.91 | 1.47 | 2.81 | 6.75 | 9.95 | a | 9.62 | 3.32 | 1.52 | 1.64 | 5.57 | 1.80 | 1.27 | 46.63 | ||||||||||||
2014 | 0.84 | f | 1.29 | 1.25 | 5.61 | b | 2.24 | 11.68 | 1.56 | 5.56 | 3.76 | 3.04 | 0.86 | 0.98 | 37.83 | a | ||||||||||
2015 | 0.49 | d | 0.94 | 1.67 | 3.21 | 5.28 | 5.85 | 3.82 | 3.34 | 2.86 | 1.27 | 0.35 | w | ----- | z | 28.73 | b | |||||||||
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.87 | 0.93 | 1.87 | 3.33 | 4.07 | 5.04 | 4.11 | 4.59 | 3.46 | 2.32 | 1.75 | 1.24 | 34.60 | |||||||||||||
S.D. | 0.62 | 0.72 | 0.94 | 1.80 | 1.86 | 2.82 | 2.14 | 2.95 | 2.33 | 1.55 | 1.40 | 0.75 | 6.52 | |||||||||||||
SKEW | 1.10 | 0.90 | 0.24 | 0.84 | 0.75 | 0.72 | 1.07 | 1.69 | 1.28 | 0.76 | 1.33 | 0.99 | 0.08 | |||||||||||||
MAX | 3.12 | 2.80 | 3.95 | 8.38 | 9.95 | 11.68 | 10.46 | 17.40 | 10.87 | 6.90 | 7.01 | 3.80 | 49.54 | |||||||||||||
MIN | 0.02 | 0.00 | 0.10 | 0.70 | 1.29 | 0.93 | 0.78 | 0.60 | 0.34 | 0.25 | 0.00 | 0.14 | 17.70 | |||||||||||||
YRS | 59 | 59 | 59 | 61 | 61 | 63 | 62 | 63 | 63 | 63 | 58 | 58 | 47 |