YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.82 | 1.43 | 0.00 | 0.38 | 0.00 | 2.63 | g | |||||
1951 | 1.88 | 1.18 | 0.88 | 1.28 | 0.81 | 0.00 | 2.46 | 7.87 | 1.52 | 1.75 | 1.11 | 3.71 | 24.45 | |||||||||||||
1952 | 3.69 | 0.28 | d | 1.48 | c | 2.09 | 0.03 | 0.54 | 1.55 | 2.78 | 1.95 | 0.00 | 3.23 | 0.84 | 18.46 | |||||||||||
1953 | 0.42 | g | 0.97 | 1.48 | 1.05 | 0.12 | 0.02 | 6.22 | 1.40 | 0.00 | 0.06 | 0.64 | 1.13 | 13.09 | a | |||||||||||
1954 | 1.10 | 0.48 | 3.05 | 0.00 | 1.46 | 0.61 | 3.54 | 1.98 | 2.07 | 0.45 | 0.03 | 0.56 | 15.33 | |||||||||||||
1955 | 1.07 | 0.24 | 0.04 | 0.35 | 0.17 | 2.15 | 2.87 | 3.80 | 0.18 | 0.38 | 1.08 | 0.78 | 13.11 | |||||||||||||
1956 | 1.14 | 2.06 | 0.04 | 1.26 | 0.60 | 0.27 | 4.20 | 1.24 | 0.00 | 1.09 | 0.01 | 0.18 | 12.09 | |||||||||||||
1957 | 5.48 | 0.28 | 1.01 | 0.40 | 1.23 | 1.16 | 1.64 | 2.51 | 0.02 | 2.38 | 0.77 | 0.29 | 17.17 | |||||||||||||
1958 | 0.68 | 1.75 | 2.24 | 1.61 | 0.31 | 0.57 | 0.99 | 2.10 | 5.32 | 1.49 | 1.05 | 0.12 | 18.23 | |||||||||||||
1959 | 0.62 | 1.84 | 0.00 | 0.81 | 0.08 | 1.05 | 2.57 | 5.67 | 0.70 | 6.82 | 0.69 | 3.37 | 24.22 | |||||||||||||
1960 | 1.78 | 0.84 | 1.16 | 0.27 | 0.50 | 0.03 | 0.09 | 1.54 | 1.00 | 3.45 | 0.36 | 1.40 | 12.42 | |||||||||||||
1961 | 0.23 | 0.48 | 1.87 | 0.11 | 0.04 | 0.39 | 3.42 | 3.31 | 2.11 | 2.13 | 0.91 | 1.14 | 16.14 | |||||||||||||
1962 | 2.19 | 1.43 | 1.15 | 0.05 | 0.23 | 0.23 | 1.48 | 0.90 | 4.58 | 1.96 | 1.21 | 0.60 | 16.01 | |||||||||||||
1963 | 0.73 | 0.63 | 0.67 | 0.53 | 0.01 | 0.01 | 1.98 | 8.06 | 2.49 | 1.54 | 1.18 | 1.39 | 19.22 | |||||||||||||
1964 | 0.85 | 0.88 | 1.38 | 1.11 | 0.00 | 0.25 | 2.90 | 2.87 | 4.28 | 0.15 | 1.34 | 1.64 | 17.65 | |||||||||||||
1965 | 2.35 | 1.13 | 0.53 | 1.67 | 0.43 | 0.40 | 2.66 | 2.24 | 1.33 | 0.88 | 2.16 | 5.99 | 21.77 | |||||||||||||
1966 | 1.68 | 1.20 | 0.38 | 0.20 | 0.00 | 0.92 | 4.31 | 2.07 | 1.55 | 1.27 | 1.40 | 2.49 | 17.47 | |||||||||||||
1967 | 0.43 | 0.00 | 1.31 | 0.55 | 0.45 | 0.45 | 6.80 | 3.05 | 1.25 | 0.15 | 1.03 | 9.04 | 24.51 | |||||||||||||
1968 | 0.83 | 0.85 | 1.18 | 1.19 | 0.34 | 0.11 | 3.13 | 1.50 | 0.16 | 1.27 | 0.95 | 1.86 | 13.37 | |||||||||||||
1969 | 1.21 | 1.26 | 1.02 | 0.17 | 2.37 | 0.00 | 3.39 | 2.42 | 1.64 | 1.70 | 1.85 | 1.47 | 18.50 | |||||||||||||
1970 | 0.18 | 0.83 | 1.27 | 1.07 | 0.12 | 0.03 | 1.63 | 3.17 | 4.06 | 1.13 | 0.30 | 1.05 | 14.84 | |||||||||||||
1971 | 0.32 | 0.42 | 0.38 | 0.44 | 0.08 | 0.00 | 3.39 | 6.11 | 3.60 | 3.80 | 0.61 | 2.97 | 22.12 | |||||||||||||
1972 | 0.06 | 0.00 | 0.00 | 0.00 | 0.58 | 2.14 | 3.50 | 1.99 | 1.28 | 7.42 | 1.84 | 2.13 | 20.94 | |||||||||||||
1973 | 0.60 | 3.94 | 3.79 | 1.29 | 1.97 | 0.24 | 2.03 | 1.93 | 0.00 | 0.01 | 1.70 | 0.00 | 17.50 | |||||||||||||
1974 | 3.64 | 0.20 | 0.79 | 0.30 | 0.00 | 0.00 | 1.66 | 1.47 | 2.33 | 3.41 | 0.48 | 0.74 | 15.02 | |||||||||||||
1975 | 0.75 | 2.63 | 2.42 | 1.51 | 0.15 | 0.00 | 2.91 | 1.13 | 2.51 | 0.30 | 2.05 | 1.27 | 17.63 | |||||||||||||
1976 | 0.13 | 2.80 | 1.49 | 1.19 | 1.77 | 0.14 | 2.94 | 0.81 | 3.51 | 1.08 | 0.60 | 0.10 | 16.56 | |||||||||||||
1977 | 1.37 | 0.90 | 0.99 | 1.67 | 0.46 | 0.65 | 2.62 | 2.59 | 4.07 | 1.62 | 0.39 | 0.40 | 17.73 | |||||||||||||
1978 | 2.13 | 2.52 | 4.26 | 0.54 | 0.97 | 0.00 | 4.19 | 3.44 | 1.31 | 1.64 | 4.96 | 3.64 | 29.60 | |||||||||||||
1979 | 3.01 | 0.56 | 2.52 | 0.15 | 3.11 | 0.71 | 1.59 | 1.67 | 0.47 | 1.15 | 0.57 | 1.14 | 16.65 | |||||||||||||
1980 | 3.83 | 3.65 | 2.90 | 0.45 | 0.30 | 0.06 | 3.73 | 3.53 | 1.75 | 0.90 | 0.00 | 0.99 | 22.09 | |||||||||||||
1981 | 0.86 | 0.62 | 2.13 | 0.87 | 0.89 | 0.76 | 2.40 | 3.56 | 0.45 | 2.00 | 1.99 | a | 0.00 | 16.53 | ||||||||||||
1982 | 2.57 | i | 1.28 | h | 1.75 | w | ----- | z | 1.49 | y | 0.02 | b | 1.78 | 2.46 | 1.42 | 0.12 | a | 3.03 | 3.83 | a | 12.66 | e | ||||
1983 | 0.77 | d | 1.09 | a | 1.92 | a | 0.78 | c | 0.42 | 0.01 | 3.20 | 1.33 | a | 5.31 | 1.48 | c | 2.71 | g | 1.22 | c | 17.53 | a | ||||
1984 | 0.36 | c | 0.00 | 1.07 | d | 0.61 | f | 0.05 | 0.33 | 4.21 | e | 3.01 | 2.23 | e | 2.61 | 0.63 | f | 3.59 | d | 17.46 | b | |||||
1985 | 1.60 | b | 0.80 | i | 1.36 | a | 1.35 | c | 0.17 | a | 0.14 | a | 0.94 | 1.96 | c | 3.53 | 1.98 | 3.02 | a | 0.75 | 16.80 | a | ||||
1986 | 0.07 | 2.05 | 1.23 | d | 0.04 | a | 0.21 | 0.53 | d | 3.31 | 5.32 | 1.47 | a | 0.83 | 2.75 | 1.20 | c | 19.01 | ||||||||
1987 | 1.36 | d | 2.30 | b | 0.73 | b | 0.00 | 0.86 | 0.21 | c | 4.25 | a | 2.38 | b | 0.23 | 1.55 | a | 2.43 | a | 1.04 | b | 17.34 | ||||
1988 | 2.78 | a | 1.39 | d | 0.00 | 1.26 | 0.09 | 2.67 | 5.27 | 6.23 | 1.34 | 0.11 | 0.00 | b | 1.80 | b | 22.94 | |||||||||
1989 | 1.46 | e | 0.28 | b | 2.42 | 0.02 | 0.06 | 0.00 | 3.52 | 3.67 | 0.30 | 1.55 | 0.05 | 0.23 | 13.56 | |||||||||||
1990 | 0.46 | b | 1.64 | d | 0.52 | 0.57 | b | 0.41 | 0.00 | 4.03 | 6.73 | 2.51 | a | 0.49 | 1.89 | 3.37 | a | 22.62 | ||||||||
1991 | 1.26 | 1.24 | a | 3.60 | b | 0.00 | 0.41 | 0.26 | a | 0.88 | 2.23 | 1.77 | b | 0.44 | 3.02 | a | 3.72 | a | 18.83 | |||||||
1992 | 2.11 | d | 0.87 | a | 2.28 | c | 0.34 | 4.07 | b | 0.29 | t | 3.85 | 4.56 | 0.29 | 2.17 | 0.80 | b | 4.70 | 26.04 | a | ||||||
1993 | 4.27 | g | 3.22 | e | 1.22 | a | 0.00 | a | 0.20 | 0.00 | 0.21 | 3.60 | 0.50 | a | 1.60 | 0.13 | b | 0.00 | 10.68 | a | ||||||
1994 | 0.00 | a | ----- | z | 1.80 | a | 0.59 | 2.15 | a | 0.93 | 0.99 | 4.26 | 0.52 | a | 1.61 | 2.23 | a | 0.67 | a | 15.75 | a | |||||
1995 | 3.27 | e | 2.24 | a | 2.49 | b | 0.13 | 0.21 | a | 0.17 | 0.40 | 3.80 | 5.12 | 0.00 | 1.13 | a | 1.48 | 20.44 | ||||||||
1996 | 0.36 | 0.94 | a | 0.64 | 0.15 | 0.05 | 0.67 | 3.76 | b | 1.72 | 4.50 | 0.67 | a | 0.00 | e | 0.03 | 13.49 | |||||||||
1997 | 5.04 | c | 1.17 | b | 0.00 | 0.51 | a | 0.80 | b | 0.41 | 1.64 | 3.70 | a | 3.27 | 2.50 | 0.31 | 3.89 | a | 23.24 | |||||||
1998 | 0.00 | ----- | z | 2.63 | b | 0.59 | 0.34 | 0.00 | 2.22 | c | 1.19 | a | 0.95 | 1.99 | b | 2.99 | b | 0.73 | 13.63 | a | ||||||
1999 | 0.28 | a | 0.55 | b | 0.14 | b | 2.28 | d | 0.00 | 0.20 | 4.37 | i | 6.93 | g | 3.58 | d | 0.00 | 0.00 | 0.00 | 7.03 | b | |||||
2000 | 0.32 | e | 0.36 | c | 3.60 | e | 0.41 | b | 0.00 | 2.92 | 0.70 | f | 3.72 | h | 0.02 | 4.06 | g | 2.02 | f | 0.55 | c | 8.18 | d | |||
2001 | 1.31 | e | 0.67 | b | 0.67 | d | 1.71 | d | 0.68 | b | 0.20 | 0.81 | j | 2.92 | d | 0.00 | d | 0.25 | e | 0.28 | b | 0.69 | c | 9.38 | a | |
2002 | 0.46 | 0.00 | 0.17 | b | 0.63 | d | 0.00 | 0.00 | 2.49 | a | 2.43 | d | 1.91 | d | 0.69 | b | 0.04 | c | 0.99 | g | 8.82 | a | ||||
2003 | 0.18 | 2.44 | c | 1.60 | g | 0.20 | 0.00 | 0.28 | b | 1.64 | b | 2.78 | b | 2.02 | a | 1.05 | 1.99 | b | 0.81 | c | 13.39 | a | ||||
2004 | 1.26 | c | 0.60 | b | 0.25 | 2.07 | c | 0.00 | 0.20 | a | 1.50 | b | 1.15 | b | 1.55 | c | 1.25 | c | 3.24 | 2.12 | 15.19 | |||||
2005 | 2.83 | 2.72 | 1.16 | 1.26 | d | 0.80 | a | 0.13 | b | 1.86 | b | 3.02 | 0.92 | c | 1.32 | a | 0.00 | 0.00 | 16.02 | |||||||
2006 | 0.27 | 0.00 | 2.58 | b | 0.72 | 0.10 | b | 0.79 | b | 4.94 | i | 5.27 | 1.03 | 2.55 | a | 0.09 | 1.01 | 14.41 | a | |||||||
2007 | 1.29 | a | 0.96 | 1.18 | 0.58 | a | 0.31 | b | 0.08 | b | 4.31 | 4.11 | a | 1.46 | 0.00 | 0.23 | 5.57 | 20.08 | ||||||||
2008 | 1.61 | 2.10 | 0.00 | 0.00 | 1.06 | 0.36 | 2.06 | 4.72 | 1.21 | 0.57 | 0.37 | 3.42 | a | 17.48 | ||||||||||||
2009 | 0.66 | 0.95 | 0.47 | 0.38 | 1.22 | 0.44 | 1.89 | 0.65 | 1.75 | 0.19 | 0.09 | 0.70 | 9.39 | |||||||||||||
2010 | 5.24 | 0.16 | a | 0.17 | 0.11 | 0.16 | 0.65 | 2.79 | 1.56 | b | 2.02 | 1.30 | 0.00 | 2.30 | a | 16.46 | ||||||||||
2011 | ----- | z | 1.10 | y | 0.48 | 0.57 | 0.31 | 0.00 | b | 4.48 | 0.77 | c | 0.75 | c | 0.54 | 0.97 | a | 2.03 | f | 8.87 | c | |||||
2012 | 0.33 | 0.62 | 1.05 | 0.33 | 0.00 | 0.00 | 4.15 | 1.48 | 1.37 | a | 0.27 | 0.90 | a | 1.66 | f | 10.50 | a | |||||||||
2013 | 1.29 | c | 0.79 | a | 1.52 | b | 0.63 | 0.00 | 0.00 | 6.83 | d | 3.36 | d | 1.51 | d | 0.42 | 3.71 | a | 0.12 | 20.18 | ||||||
2014 | 0.00 | 0.00 | 2.10 | b | 0.32 | 0.01 | 0.00 | 3.72 | d | 3.83 | a | 2.58 | a | 0.75 | 0.05 | 0.89 | d | 14.25 | ||||||||
2015 | 0.94 | c | 0.92 | 0.40 | 0.94 | b | 0.80 | 2.63 | 5.04 | b | 3.99 | f | 1.17 | e | 2.29 | 2.58 | 0.77 | b | 18.48 | a | ||||||
2016 | 0.68 | 0.86 | 0.09 | 0.11 | b | 1.69 | b | 0.45 | 1.04 | 2.77 | 1.10 | 0.50 | 2.77 | a | 3.15 | 15.21 | ||||||||||
2017 | 2.95 | e | 1.54 | 0.48 | 0.34 | 0.78 | 0.24 | 4.78 | b | 2.19 | 0.36 | 0.07 | 0.00 | 0.00 | 13.73 | |||||||||||
2018 | 0.79 | 1.21 | 0.37 | 0.04 | 0.36 | 0.21 | 4.74 | b | 5.16 | 0.91 | 3.69 | 0.23 | ----- | z | 17.71 | a | ||||||||||
2019 | ----- | z | 3.51 | b | 2.19 | 0.39 | 1.34 | 0.00 | 1.23 | 1.12 | b | 2.59 | a | 0.00 | 3.15 | 1.34 | y | 15.52 | b | |||||||
2020 | 0.28 | 2.11 | 3.15 | 0.37 | 0.45 | 0.30 | 2.56 | 1.08 | 0.25 | d | 1.02 | 0.19 | 0.08 | a | 11.84 | |||||||||||
2021 | 1.36 | 0.30 | 1.04 | 0.62 | 0.24 | 0.45 | 6.71 | 5.74 | 1.39 | 1.12 | 0.02 | 3.86 | 22.85 | |||||||||||||
2022 | 0.41 | 0.67 | 1.69 | 0.00 | 0.00 | 0.37 | 6.37 | 3.94 | 2.98 | 1.56 | 0.94 | 0.96 | a | 19.89 | ||||||||||||
2023 | 3.62 | a | 1.59 | 3.00 | 0.00 | 0.39 | 0.01 | 0.65 | 2.93 | 0.83 | 0.15 | 0.98 | 0.74 | 14.89 | ||||||||||||
2024 | 0.62 | a | 1.59 | a | 2.68 | 0.29 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.18 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.37 | 1.20 | 1.37 | 0.64 | 0.57 | 0.43 | 2.96 | 2.97 | 1.75 | 1.32 | 1.18 | 1.63 | 17.85 | |||||||||||||
S.D. | 1.31 | 0.95 | 1.06 | 0.58 | 0.76 | 0.64 | 1.61 | 1.69 | 1.38 | 1.36 | 1.15 | 1.71 | 3.92 | |||||||||||||
SKEW | 1.42 | 0.98 | 0.69 | 0.98 | 2.36 | 2.48 | 0.52 | 1.01 | 0.91 | 2.27 | 1.01 | 1.77 | 0.47 | |||||||||||||
MAX | 5.48 | 3.94 | 4.26 | 2.28 | 4.07 | 2.92 | 6.83 | 8.06 | 5.32 | 7.42 | 4.96 | 9.04 | 29.60 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.65 | 0.00 | 0.00 | 0.00 | 0.00 | 9.39 | |||||||||||||
YRS | 69 | 69 | 72 | 72 | 72 | 72 | 69 | 71 | 74 | 73 | 71 | 69 | 53 |