YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.84 | k | 2.27 | 0.35 | 0.12 | 0.36 | 3.10 | h | ||||
1941 | 0.76 | 0.02 | 1.37 | 1.89 | b | 3.09 | 5.69 | 4.18 | 1.98 | 4.11 | 2.52 | 0.12 | 0.47 | 26.20 | ||||||||||||
1942 | 0.75 | 0.94 | 0.81 | 5.32 | 1.59 | 3.45 | 1.16 | 3.29 | 4.74 | 2.84 | 0.24 | 0.49 | 25.62 | |||||||||||||
1943 | 0.33 | ----- | z | ----- | z | 0.86 | 2.82 | 1.41 | 3.21 | 0.98 | 0.18 | 0.41 | 0.72 | 0.47 | 11.39 | b | ||||||||||
1944 | 0.66 | 0.14 | 1.19 | 5.11 | 2.54 | 1.06 | 2.79 | 0.52 | 0.83 | 0.42 | 1.73 | 0.12 | 17.11 | |||||||||||||
1945 | 0.77 | 0.15 | 0.44 | 3.06 | 1.56 | 2.27 | 1.58 | 3.30 | 1.19 | 0.21 | 0.18 | 0.00 | 14.71 | |||||||||||||
1946 | ----- | z | ----- | z | 1.54 | 1.56 | 3.25 | 1.04 | 5.62 | 4.96 | 1.51 | 0.71 | ----- | z | 0.00 | 20.19 | c | |||||||||
1947 | 0.21 | 0.54 | 0.80 | 1.32 | x | 5.22 | 1.19 | f | 3.19 | 3.60 | 0.31 | 0.52 | 0.62 | 0.76 | 15.77 | b | ||||||||||
1948 | ----- | z | 0.26 | ----- | z | ----- | z | 2.66 | 2.70 | 1.45 | ----- | z | ----- | z | ----- | z | 0.33 | a | 0.26 | 7.66 | f | |||||
1949 | 0.49 | 0.16 | 1.91 | 0.60 | n | 2.65 | 4.51 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | y | 0.06 | 9.78 | f | ||||||
1950 | 0.17 | 0.50 | a | 0.74 | 0.89 | 1.48 | 0.48 | 4.36 | 2.30 | a | 1.82 | 0.00 | 0.30 | 0.00 | 13.04 | |||||||||||
1951 | 0.42 | 0.12 | 0.09 | 1.36 | 2.91 | 3.15 | c | 3.56 | 1.90 | 0.56 | 1.56 | 1.01 | 0.15 | 16.79 | ||||||||||||
1952 | 0.00 | 0.43 | 0.78 | 2.37 | 1.85 | 0.00 | 0.48 | 3.80 | 1.20 | 0.18 | 0.77 | 0.00 | 11.86 | |||||||||||||
1953 | 0.14 | 0.30 | 0.60 | 2.07 | 1.90 | 1.59 | 1.61 | 2.38 | 0.30 | 0.75 | 0.72 | 0.28 | a | 12.64 | ||||||||||||
1954 | 0.18 | 0.00 | 0.41 | 0.03 | 1.22 | 0.34 | 2.00 | 1.62 | 0.41 | 0.91 | 0.06 | 0.15 | 7.33 | |||||||||||||
1955 | 0.18 | 0.18 | 0.56 | 0.00 | 2.93 | 2.35 | 0.41 | 6.50 | 0.45 | f | 0.06 | 0.16 | 0.00 | 13.33 | a | |||||||||||
1956 | 0.35 | 0.00 | 0.62 | 0.15 | 1.17 | 0.76 | 3.10 | 0.96 | 0.18 | 0.08 | 1.25 | 0.32 | 8.94 | |||||||||||||
1957 | 0.52 | 0.00 | 1.26 | 5.29 | 5.45 | 1.67 | 3.00 | 2.36 | 1.12 | 1.09 | 0.48 | 0.45 | 22.69 | |||||||||||||
1958 | 0.35 | 0.32 | 1.79 | 1.21 | 2.74 | 3.28 | 6.20 | 1.26 | 1.47 | 0.64 | 0.43 | 0.29 | 19.98 | |||||||||||||
1959 | 0.42 | 0.37 | 1.50 | 0.30 | 3.63 | 1.67 | 1.83 | 1.23 | 1.95 | 1.27 | 0.10 | 0.38 | 14.65 | |||||||||||||
1960 | 0.61 | 1.25 | 0.46 | 0.33 | 1.87 | 0.41 | 4.42 | 1.09 | 0.55 | 2.18 | 0.27 | 0.52 | a | 13.96 | ||||||||||||
1961 | 0.11 | i | 0.34 | 1.33 | a | 0.99 | 3.77 | 1.20 | 4.56 | 2.02 | 1.87 | 0.20 | 0.45 | d | 0.41 | 17.14 | a | |||||||||
1962 | 0.43 | 0.19 | 0.90 | 0.12 | 2.10 | 5.36 | 3.70 | 3.66 | 0.36 | 0.17 | 0.35 | 0.08 | 17.42 | |||||||||||||
1963 | 0.45 | 0.10 | 0.68 | 0.13 | 1.08 | 0.81 | 2.42 | 4.50 | 2.84 | 0.08 | 0.26 | 0.22 | 13.57 | |||||||||||||
1964 | 0.07 | 0.20 | 0.65 | 0.64 | 2.93 | 1.05 | 0.72 | 1.55 | 0.85 | 0.12 | 0.49 | 0.00 | 9.27 | |||||||||||||
1965 | 0.36 | 0.74 | 0.67 | 0.13 | 2.25 | 5.24 | 3.86 | 4.15 | 1.24 | 0.35 | 0.00 | 0.32 | 19.31 | |||||||||||||
1966 | 0.35 | 0.32 | 0.20 | 1.06 | 0.55 | 0.80 | 4.23 | 1.86 | 1.15 | 0.54 | 0.02 | 0.07 | 11.15 | |||||||||||||
1967 | 0.12 | 0.00 | 0.32 | 0.82 | 4.69 | 3.39 | 1.89 | j | 1.65 | 1.27 | 0.29 | 0.41 | 0.57 | 13.53 | a | |||||||||||
1968 | 0.22 | 0.29 | 0.49 | 0.79 | 1.31 | 1.91 | 4.67 | 2.55 | 0.88 | 0.23 | 0.54 | 0.22 | 14.10 | |||||||||||||
1969 | 0.06 | 0.07 | 0.42 | 0.95 | 3.46 | 3.76 | 2.09 | 3.59 | f | 0.87 | d | 2.28 | 0.32 | 0.53 | 14.81 | a | ||||||||||
1970 | 0.02 | 0.05 | 0.55 | 1.13 | 2.02 | 1.62 | 2.44 | 2.32 | 0.66 | 1.24 | 0.98 | 0.06 | 13.09 | |||||||||||||
1971 | 0.40 | 0.46 | 0.75 | 2.40 | 1.57 | 1.61 | 1.99 | 0.69 | 2.21 | 0.59 | 0.24 | 0.05 | 12.96 | |||||||||||||
1972 | 0.18 | 0.11 | 0.53 | 1.69 | 1.76 | 1.83 | 2.82 | 1.54 | 2.23 | 0.83 | 1.30 | 0.59 | 15.41 | |||||||||||||
1973 | 0.49 | 0.10 | 1.66 | 1.86 | 2.81 | 2.43 | 2.28 | 2.14 | 1.36 | 0.50 | 0.20 | 0.83 | 16.66 | |||||||||||||
1974 | 0.23 | 0.20 | 1.33 | 1.96 | 0.33 | 2.04 | 2.74 | 2.32 | 0.40 | 0.77 | 0.48 | 0.35 | 13.15 | |||||||||||||
1975 | 0.20 | 0.14 | 0.25 | 1.08 | 3.97 | 2.02 | 1.56 | 0.38 | 0.18 | 0.14 | 0.91 | 0.13 | 10.96 | |||||||||||||
1976 | 0.18 | 0.13 | 0.98 | 2.07 | 0.74 | 1.28 | 1.06 | 1.69 | 1.32 | 0.62 | 0.21 | 0.00 | 10.28 | |||||||||||||
1977 | 0.17 | 0.06 | 1.08 | a | 2.70 | 4.09 | 0.24 | 2.95 | 3.74 | 0.24 | 0.14 | 0.73 | 0.02 | 16.16 | ||||||||||||
1978 | 0.20 | 0.18 | 0.27 | 1.05 | 3.05 | 2.89 | 0.57 | 2.98 | 0.20 | 0.82 | 0.21 | 0.31 | 12.73 | |||||||||||||
1979 | 0.37 | 0.49 | 2.20 | 1.16 | 4.35 | 3.36 | 2.06 | 2.81 | 0.77 | 0.33 | 0.28 | 0.46 | 18.64 | |||||||||||||
1980 | 0.29 | 0.46 | 1.16 | 2.86 | 2.62 | 1.06 | 3.21 | 2.16 | 2.87 | 0.00 | 0.15 | 0.00 | 16.84 | |||||||||||||
1981 | 0.04 | 0.02 | 3.09 | 0.41 | 5.29 | 2.94 | 1.68 | 2.05 | 0.23 | 0.45 | 0.43 | 0.07 | 16.70 | |||||||||||||
1982 | 0.11 | 0.21 | 0.06 | 0.26 | 3.83 | 3.03 | 3.08 | 2.69 | 1.40 | 0.24 | 0.27 | 0.00 | h | 15.18 | a | |||||||||||
1983 | 0.00 | 0.08 | 2.09 | 0.86 | 1.18 | a | 2.39 | ----- | z | 3.80 | 0.34 | 1.56 | ----- | z | ----- | z | 12.30 | c | ||||||||
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1987 | 0.55 | 2.20 | 0.90 | 0.60 | 6.94 | 3.15 | 2.52 | 2.21 | 0.70 | 0.47 | 1.05 | 0.55 | 21.84 | |||||||||||||
1988 | 0.63 | a | 0.22 | 0.28 | 1.69 | 4.00 | 2.39 | 3.84 | 1.84 | 0.66 | 0.08 | 0.36 | 0.83 | 16.82 | ||||||||||||
1989 | 0.28 | 0.19 | q | 0.27 | 0.10 | 2.82 | 3.86 | 1.12 | 5.59 | 1.77 | 0.27 | 0.04 | 0.63 | 16.75 | a | |||||||||||
1990 | 0.82 | 0.48 | 1.32 | 1.05 | 2.38 | 1.60 | 4.43 | 2.15 | 2.10 | 1.17 | 0.62 | 0.00 | 18.12 | |||||||||||||
1991 | 0.25 | 0.00 | 1.39 | 1.17 | 2.77 | 2.14 | 4.00 | 3.36 | 0.36 | 0.66 | 1.82 | 0.58 | a | 18.50 | ||||||||||||
1992 | 0.74 | 0.05 | 0.99 | 0.29 | 0.75 | 5.10 | 3.48 | 4.03 | 0.09 | 0.30 | 1.09 | 0.24 | 17.15 | |||||||||||||
1993 | 0.60 | 0.64 | 0.52 | 0.66 | 1.31 | 2.31 | 0.76 | 2.67 | 0.54 | 2.09 | 1.29 | 0.00 | 13.39 | |||||||||||||
1994 | 0.77 | 0.02 | 0.21 | a | 1.91 | 2.36 | 0.86 | 1.71 | 4.08 | 0.09 | 2.32 | 0.42 | 0.10 | 14.85 | ||||||||||||
1995 | 1.15 | 1.05 | 0.37 | 1.39 | a | 4.43 | 4.63 | 3.04 | 1.62 | 1.44 | 0.40 | 0.18 | 0.00 | 19.70 | ||||||||||||
1996 | 0.25 | 0.01 | 0.75 | 1.35 | 4.39 | 1.05 | 4.08 | c | 3.95 | 2.34 | a | 0.15 | 0.00 | 0.09 | 18.41 | |||||||||||
1997 | 0.64 | 0.87 | 0.11 | 1.18 | a | 0.47 | 4.89 | 3.17 | a | 3.11 | 0.41 | 1.53 | a | 0.38 | 0.64 | 17.40 | ||||||||||
1998 | 0.01 | 1.35 | 0.26 | 1.63 | 2.20 | 1.20 | 8.37 | b | 1.17 | 2.34 | 0.91 | 0.36 | 0.25 | 20.05 | ||||||||||||
1999 | 0.03 | d | 0.03 | d | 0.15 | 4.33 | 5.11 | 1.82 | 1.83 | 3.41 | 0.74 | 0.32 | 0.19 | a | 0.13 | 18.09 | ||||||||||
2000 | 0.02 | 1.14 | 1.71 | 2.24 | 3.61 | 1.17 | 3.83 | 0.91 | b | 0.80 | a | 1.36 | 0.20 | 0.79 | d | 17.78 | ||||||||||
2001 | 0.34 | 0.59 | a | 0.52 | b | 2.25 | c | 4.27 | e | 2.52 | h | 2.08 | 2.96 | k | 1.53 | d | 0.00 | f | 1.45 | d | 0.30 | b | 13.33 | c | ||
2002 | 2.26 | 0.02 | b | 0.15 | b | 0.15 | f | 0.26 | k | 4.35 | k | 0.15 | e | 1.77 | c | 4.13 | b | 0.47 | b | 1.47 | d | 0.17 | a | 10.59 | c | |
2003 | 0.18 | d | 0.18 | f | 1.82 | a | 1.11 | b | 2.85 | b | 5.38 | 0.00 | d | 1.53 | e | 0.21 | 0.00 | e | 0.10 | d | 0.08 | d | 13.26 | a | ||
2004 | 0.08 | 0.36 | a | 0.01 | h | 1.75 | 0.71 | 2.74 | a | 4.10 | 1.61 | c | 1.15 | 0.14 | b | 0.72 | a | 0.02 | f | 13.36 | b | |||||
2005 | 0.00 | i | 0.00 | c | 0.28 | a | 1.98 | 1.29 | e | 3.95 | d | 0.83 | a | 4.48 | b | 0.52 | d | 1.49 | c | 0.14 | c | 0.07 | g | 14.96 | b | |
2006 | 0.05 | c | 0.00 | b | 0.43 | b | 0.47 | c | 0.80 | d | 4.25 | e | 2.16 | b | 4.41 | a | 2.53 | c | 2.01 | c | 0.03 | g | 0.34 | i | 17.11 | b |
2007 | 0.25 | e | 0.18 | b | 0.17 | b | 1.66 | c | 2.58 | a | 1.87 | b | 3.78 | 3.41 | a | 1.36 | 0.10 | 0.07 | a | 0.54 | 15.97 | |||||
2008 | 0.01 | 0.28 | h | 0.38 | 0.48 | 0.36 | 2.64 | 2.25 | 7.41 | 0.17 | 1.36 | a | 0.25 | a | 0.07 | a | 15.38 | a | ||||||||
2009 | 0.10 | b | 0.17 | 2.43 | a | 2.40 | 1.36 | 4.86 | 3.92 | 2.41 | 1.29 | 1.18 | 0.35 | a | 0.18 | 20.65 | ||||||||||
2010 | 0.00 | 0.37 | 0.43 | 1.03 | 0.94 | a | 1.40 | 2.67 | 3.66 | 0.38 | 0.37 | 0.48 | 0.05 | b | 11.78 | |||||||||||
2011 | 0.17 | 0.13 | 0.16 | 0.79 | 4.22 | 2.68 | 1.99 | 2.05 | a | 1.05 | 0.62 | 0.21 | 0.21 | 14.28 | ||||||||||||
2012 | 0.00 | 0.55 | b | 0.23 | 4.09 | 1.03 | 1.51 | 2.19 | 0.63 | 0.83 | 0.32 | 0.02 | 0.26 | 11.66 | ||||||||||||
2013 | 0.12 | 0.27 | 1.54 | 0.38 | a | 1.76 | 1.83 | a | 2.69 | 2.86 | 3.24 | 1.26 | 0.06 | a | 0.02 | 16.03 | ||||||||||
2014 | 0.40 | 0.19 | 0.26 | 0.72 | 1.42 | 3.52 | 4.26 | 4.25 | 1.48 | 1.16 | 0.04 | 0.24 | 17.94 | |||||||||||||
2015 | 0.09 | 0.70 | 0.49 | 1.36 | 5.83 | 3.97 | 4.58 | 2.95 | 0.30 | 2.07 | 0.35 | a | 0.16 | 22.85 | ||||||||||||
2016 | 0.10 | 0.36 | a | 0.50 | 2.17 | 2.78 | 0.68 | 1.15 | 1.49 | 1.31 | c | 0.06 | 0.02 | 0.27 | 10.89 | |||||||||||
2017 | 0.21 | 0.02 | a | 1.50 | 1.60 | 3.11 | 0.62 | 4.44 | 2.36 | 2.24 | a | 0.59 | 0.00 | 0.00 | 16.69 | |||||||||||
2018 | 0.40 | 0.21 | 0.37 | c | 0.72 | 2.41 | 2.51 | a | 1.10 | i | 2.99 | 0.45 | 1.16 | f | 0.06 | 0.01 | k | 10.12 | c | |||||||
2019 | 0.12 | 0.19 | 1.67 | 0.03 | d | 3.41 | e | 2.12 | a | 0.89 | 2.58 | b | 0.37 | a | 0.37 | 0.27 | 0.07 | 12.09 | ||||||||
2020 | 0.00 | a | 0.29 | 0.91 | 0.31 | a | 1.22 | 1.66 | 2.92 | 1.18 | 0.98 | 0.18 | f | 0.03 | 0.14 | 9.64 | a | |||||||||
2021 | 0.32 | 0.44 | 1.59 | 0.65 | 4.14 | 0.65 | 1.26 | 1.09 | 1.01 | 0.10 | 0.02 | 0.00 | h | 11.27 | a | |||||||||||
2022 | 0.24 | a | 0.18 | 1.12 | 0.00 | 1.46 | i | 0.88 | 5.09 | 1.16 | 0.32 | 0.14 | b | 0.05 | 0.55 | 9.73 | a | |||||||||
2023 | 0.55 | 0.18 | 0.80 | 0.60 | 3.89 | 6.95 | 1.26 | 1.71 | 0.65 | 0.55 | 0.04 | 0.47 | 17.65 | |||||||||||||
2024 | 0.22 | 0.92 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.14 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.33 | 0.33 | 0.85 | 1.38 | 2.64 | 2.38 | 2.76 | 2.57 | 1.18 | 0.73 | 0.43 | 0.26 | 15.87 | |||||||||||||
S.D. | 0.33 | 0.38 | 0.63 | 1.19 | 1.44 | 1.51 | 1.52 | 1.36 | 0.99 | 0.69 | 0.43 | 0.23 | 3.96 | |||||||||||||
SKEW | 2.89 | 2.33 | 1.07 | 1.58 | 0.53 | 0.79 | 0.66 | 0.99 | 1.46 | 1.23 | 1.46 | 0.71 | 0.33 | |||||||||||||
MAX | 2.26 | 2.20 | 3.09 | 5.32 | 6.94 | 6.95 | 8.37 | 7.41 | 4.74 | 2.84 | 1.82 | 0.83 | 26.20 | |||||||||||||
MIN | 0.00 | 0.00 | 0.06 | 0.00 | 0.33 | 0.00 | 0.00 | 0.38 | 0.09 | 0.00 | 0.00 | 0.00 | 7.33 | |||||||||||||
YRS | 77 | 76 | 77 | 76 | 78 | 77 | 76 | 76 | 78 | 76 | 77 | 74 | 57 |