YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.95 | e | 0.65 | 0.39 | 0.42 | 0.27 | 2.68 | g | ||||
1949 | 0.39 | 0.72 | 1.13 | 1.02 | 2.45 | 3.33 | ----- | z | 1.34 | a | 0.89 | 0.90 | 0.00 | 0.05 | 12.22 | a | ||||||||||
1950 | 0.49 | 0.07 | b | 0.30 | 1.56 | 1.67 | 0.94 | 6.27 | 1.04 | 0.64 | d | 0.24 | 0.49 | 0.13 | a | 13.84 | ||||||||||
1951 | 0.49 | 0.45 | 1.00 | 0.79 | 0.86 | 0.68 | g | 3.55 | 1.57 | 0.02 | g | ----- | z | ----- | z | ----- | z | 8.71 | e | |||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1989 | ----- | z | ----- | z | ----- | z | 0.31 | 0.29 | 2.26 | 2.96 | 3.45 | ----- | z | 1.62 | a | 0.00 | a | 0.16 | 11.05 | d | ||||||
1990 | ----- | z | 0.00 | c | 0.51 | d | 1.68 | 2.03 | 0.03 | 5.54 | 1.82 | 2.12 | a | 0.21 | a | 0.26 | 0.11 | a | 14.31 | a | ||||||
1991 | 0.15 | 0.08 | 0.63 | a | 0.34 | a | 1.24 | a | 2.91 | 5.65 | 3.62 | 0.56 | 0.33 | a | 1.68 | b | 0.07 | 17.26 | ||||||||
1992 | 0.27 | 0.12 | 2.86 | 0.32 | 1.47 | 0.97 | 1.48 | 4.74 | 0.28 | 0.45 | 0.86 | 0.20 | 14.02 | |||||||||||||
1993 | 0.40 | 0.46 | b | 1.26 | 0.48 | 1.45 | 0.87 | 2.42 | 2.64 | 0.99 | 0.87 | 0.70 | 0.74 | a | 13.28 | |||||||||||
1994 | 0.50 | w | 0.15 | 0.64 | 2.06 | 2.68 | 0.84 | 0.84 | 3.76 | 1.71 | 1.37 | 0.36 | e | 0.13 | a | 14.54 | a | |||||||||
1995 | 0.37 | a | 0.27 | a | 0.79 | b | 2.40 | b | 2.61 | 4.11 | 3.59 | 4.91 | 1.74 | 0.22 | 0.18 | 0.02 | l | 21.19 | a | |||||||
1996 | 0.26 | d | 0.01 | 1.04 | a | 1.54 | 1.91 | 1.48 | 1.73 | 2.72 | 2.35 | 0.32 | a | 0.56 | 0.11 | a | 14.03 | |||||||||
1997 | 0.25 | a | 0.46 | 0.25 | 1.37 | 0.97 | 2.56 | 2.47 | 2.65 | 1.72 | 1.95 | a | 1.02 | 0.31 | d | 15.98 | ||||||||||
1998 | 0.16 | a | 0.50 | a | 0.85 | 1.21 | a | 0.13 | 0.76 | 4.45 | 1.67 | 1.66 | 0.59 | 0.60 | 0.19 | 12.77 | ||||||||||
1999 | 0.16 | 0.27 | 0.11 | 2.47 | 1.66 | a | 1.83 | 2.35 | 4.94 | 0.89 | 1.10 | 0.50 | 0.34 | a | 16.62 | |||||||||||
2000 | 1.30 | 0.47 | 1.61 | b | 0.54 | 1.23 | 1.13 | 1.86 | 2.78 | 2.09 | 0.19 | a | 0.56 | 0.29 | b | 14.05 | ||||||||||
2001 | 0.42 | a | 0.71 | 1.11 | 1.30 | a | 2.50 | 1.38 | 2.28 | a | 2.94 | 1.13 | 0.13 | 0.32 | b | 0.03 | a | 14.25 | ||||||||
2002 | 0.32 | b | 0.39 | 0.42 | 0.35 | 0.52 | 1.40 | 2.36 | 0.76 | a | 2.20 | 1.07 | 0.08 | 0.30 | 10.17 | |||||||||||
2003 | 0.03 | b | 0.76 | 4.22 | a | 0.40 | 0.77 | 4.34 | 3.62 | 3.02 | 0.64 | 0.32 | 0.78 | 0.19 | 19.09 | |||||||||||
2004 | 0.52 | 0.92 | 0.33 | 2.38 | 0.21 | 3.08 | 4.39 | 2.33 | 0.65 | l | 0.88 | 1.18 | h | 0.59 | 15.63 | b | ||||||||||
2005 | 1.10 | 0.07 | 1.63 | 1.26 | a | 0.49 | a | 0.60 | b | 0.96 | 4.06 | 0.71 | c | 0.61 | 0.22 | 0.28 | a | 11.99 | ||||||||
2006 | 0.32 | c | 0.10 | 0.51 | 0.37 | 0.51 | a | 0.64 | a | 6.96 | 3.55 | 1.88 | 1.44 | b | 0.22 | a | 0.40 | c | 16.90 | |||||||
2007 | 0.88 | 0.18 | a | 0.35 | a | 0.76 | b | 2.15 | b | 0.75 | a | 3.23 | 4.02 | 1.20 | b | 0.39 | 0.09 | a | 0.84 | a | 14.84 | |||||
2008 | 0.61 | a | 0.39 | 0.87 | 0.57 | c | 0.42 | 0.97 | 0.52 | 2.98 | 1.38 | 0.39 | a | 0.32 | b | 0.44 | 9.86 | |||||||||
2009 | 0.33 | 0.12 | 0.61 | 1.95 | 2.47 | 2.08 | 3.88 | a | 2.85 | 2.34 | a | 1.07 | 0.56 | 0.67 | 18.93 | |||||||||||
2010 | 0.07 | 0.56 | 0.94 | 1.06 | 0.31 | 1.19 | 2.99 | c | 4.37 | 0.22 | 0.56 | 0.18 | 0.31 | 12.76 | ||||||||||||
2011 | 0.24 | 0.32 | 0.17 | 0.61 | 0.78 | 0.20 | 2.53 | 3.75 | 0.45 | b | 1.33 | 0.19 | 0.70 | b | 11.27 | |||||||||||
2012 | 0.02 | a | 0.37 | 0.08 | 1.64 | 1.54 | 0.20 | 4.98 | 0.77 | 1.60 | 0.71 | 0.00 | 0.37 | 12.28 | ||||||||||||
2013 | 0.04 | 0.89 | 0.19 | 0.36 | 2.64 | 1.33 | 2.44 | 2.38 | 3.76 | 0.27 | 0.68 | a | 0.50 | 15.48 | ||||||||||||
2014 | 1.03 | 0.23 | 0.49 | a | 1.09 | a | 2.27 | 0.85 | 5.76 | 2.21 | a | 1.89 | 0.88 | 0.17 | 0.55 | 17.42 | ||||||||||
2015 | 0.49 | 0.81 | d | 1.13 | 1.73 | 5.50 | 2.39 | 4.84 | 2.53 | 0.08 | 0.92 | 1.11 | 0.61 | 22.14 | ||||||||||||
2016 | 0.35 | 0.57 | 0.86 | 2.80 | a | 1.99 | 3.29 | 0.71 | 3.02 | 0.24 | a | 0.19 | 0.44 | 0.76 | 15.22 | |||||||||||
2017 | 0.51 | 0.29 | 0.20 | 0.85 | 1.89 | 0.98 | 6.10 | e | 2.70 | a | 2.08 | 0.19 | 0.60 | 0.27 | 16.66 | |||||||||||
2018 | 0.28 | 0.35 | 0.40 | 0.91 | 0.71 | 0.47 | 2.73 | h | 2.80 | 0.85 | 0.78 | b | 0.23 | 0.15 | 7.93 | a | ||||||||||
2019 | 0.52 | 0.69 | 1.08 | 0.55 | 1.89 | 1.12 | 4.79 | g | 2.33 | 1.19 | 1.53 | a | 0.88 | d | 0.45 | 12.23 | a | |||||||||
2020 | 0.29 | 0.83 | 0.92 | 0.90 | 0.69 | 1.13 | 1.98 | 1.22 | 0.37 | 0.59 | 0.38 | 0.56 | 9.86 | |||||||||||||
2021 | 0.20 | 0.49 | 1.38 | 0.90 | 2.94 | 1.94 | 3.12 | f | 2.42 | a | 1.79 | 0.33 | b | 0.29 | 0.10 | a | 12.78 | a | ||||||||
2022 | 0.33 | 0.84 | 0.87 | 0.59 | 2.65 | b | 1.17 | a | 4.44 | a | 3.96 | d | 0.40 | a | 0.73 | h | 0.23 | 0.36 | 15.84 | a | ||||||
2023 | 0.34 | b | 0.32 | 0.15 | 0.77 | 5.02 | 2.22 | 2.09 | 2.40 | 1.92 | 0.57 | 0.28 | c | 0.74 | 16.82 | |||||||||||
2024 | 0.37 | 1.33 | 1.70 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.40 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.40 | 0.44 | 0.88 | 1.11 | 1.67 | 1.56 | 3.30 | 2.77 | 1.29 | 0.70 | 0.44 | 0.36 | 14.73 | |||||||||||||
S.D. | 0.29 | 0.31 | 0.79 | 0.69 | 1.20 | 1.08 | 1.73 | 1.12 | 0.81 | 0.47 | 0.35 | 0.23 | 2.97 | |||||||||||||
SKEW | 1.47 | 0.70 | 2.38 | 0.79 | 1.25 | 0.95 | 0.36 | 0.05 | 0.63 | 0.84 | 1.37 | 0.49 | 0.31 | |||||||||||||
MAX | 1.30 | 1.33 | 4.22 | 2.80 | 5.50 | 4.34 | 6.96 | 4.94 | 3.76 | 1.95 | 1.68 | 0.84 | 22.14 | |||||||||||||
MIN | 0.02 | 0.00 | 0.08 | 0.31 | 0.13 | 0.03 | 0.52 | 0.76 | 0.08 | 0.13 | 0.00 | 0.03 | 9.86 | |||||||||||||
YRS | 36 | 38 | 38 | 38 | 38 | 37 | 34 | 39 | 36 | 37 | 37 | 37 | 27 |