YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | 2.67 | g | 3.07 | 2.94 | 0.43 | 1.60 | 0.47 | 1.04 | 0.24 | 0.30 | 0.26 | 0.55 | 1.35 | 3.07 | g | |||||||||||
1950 | 2.53 | 1.00 | 0.53 | 0.31 | 0.00 | 0.00 | 1.58 | 0.10 | 1.28 | 0.04 | 0.60 | 0.00 | 2.53 | |||||||||||||
1951 | 1.30 | ----- | z | ----- | z | 1.70 | 0.20 | a | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | 0.46 | 0.00 | 1.23 | ----- | z | 0.21 | 0.25 | 0.00 | 0.58 | ----- | z | |||||||
1981 | 1.35 | 0.35 | 1.56 | b | 0.70 | 0.85 | 0.01 | 0.00 | 0.87 | a | 2.00 | a | 0.35 | 0.00 | b | 0.00 | 2.00 | f | ||||||||
1982 | 0.00 | j | 0.00 | b | 0.21 | f | 2.00 | b | 0.42 | 0.80 | 0.45 | b | 1.32 | a | 0.87 | b | 2.38 | 0.17 | c | 2.30 | d | ----- | z | |||
1983 | 1.85 | d | 0.76 | e | 0.00 | l | 1.18 | c | 1.01 | a | 0.13 | 0.13 | b | 2.29 | 0.64 | 0.39 | a | 1.40 | 0.83 | ----- | z | |||||
1984 | 0.12 | 0.46 | 0.26 | 0.17 | 0.00 | 0.10 | 2.16 | 1.31 | 2.03 | 0.40 | 1.20 | a | 1.45 | a | 2.16 | b | ||||||||||
1985 | 0.62 | 1.10 | 0.35 | 0.40 | 0.21 | 0.06 | 1.92 | 0.00 | 0.70 | 0.20 | 1.70 | a | 1.21 | f | 1.92 | g | ||||||||||
1986 | 0.23 | a | 2.54 | e | 0.80 | e | 0.80 | 0.70 | b | 0.36 | a | 0.30 | a | 1.50 | 0.70 | 0.70 | 1.50 | 0.35 | c | 2.54 | r | |||||
1987 | 0.63 | a | 0.50 | 0.54 | 0.59 | 0.79 | 0.60 | 0.87 | a | 1.20 | a | 0.39 | 1.33 | a | 2.00 | 0.95 | a | 2.00 | e | |||||||
1988 | 0.97 | 0.48 | a | 0.28 | a | 0.92 | a | 0.50 | 0.55 | 0.63 | 0.92 | 0.32 | 0.00 | 1.10 | 0.94 | a | 1.10 | d | ||||||||
1989 | 1.15 | b | 1.30 | c | 0.75 | a | 0.06 | 0.48 | 0.36 | 0.13 | 0.62 | 0.36 | 0.15 | 0.08 | 0.00 | 1.30 | f | |||||||||
1990 | 1.18 | 1.28 | 0.22 | a | 0.37 | a | 0.51 | 1.09 | 2.32 | 0.47 | 0.63 | 0.29 | 0.34 | 0.75 | 2.32 | b | ||||||||||
1991 | 0.91 | 1.34 | 2.19 | 0.09 | 0.49 | 0.39 | 1.96 | 1.33 | 1.39 | 2.95 | a | 0.25 | a | 1.01 | 2.95 | b | ||||||||||
1992 | 1.15 | 1.81 | 1.23 | 0.19 | 0.18 | 0.16 | 0.30 | 1.10 | 0.11 | 1.50 | 0.00 | 1.79 | a | 1.81 | a | |||||||||||
1993 | 2.46 | 4.50 | 0.25 | 0.12 | 0.18 | 1.37 | 0.00 | 2.00 | 0.14 | 0.78 | 1.25 | 0.70 | 4.50 | |||||||||||||
1994 | 0.74 | 1.65 | 0.41 | a | 0.24 | 0.20 | 0.00 | 0.65 | 1.38 | 0.37 | 0.11 | 1.07 | a | ----- | z | ----- | z | |||||||||
1995 | 2.40 | a | 2.98 | 5.06 | b | 0.45 | 0.70 | 0.14 | 0.07 | a | 2.02 | a | 0.00 | a | 0.00 | 0.03 | a | 0.73 | 5.06 | g | ||||||
1996 | 0.51 | a | 3.25 | a | 0.68 | a | 0.37 | 0.50 | 0.19 | a | 2.13 | 1.40 | b | 0.00 | 0.73 | 4.45 | 0.89 | a | 4.45 | g | ||||||
1997 | 1.66 | c | 0.35 | 0.05 | 0.23 | 0.25 | 0.16 | 0.79 | 0.15 | 4.26 | 1.00 | 0.85 | 1.03 | 4.26 | c | |||||||||||
1998 | 0.63 | 4.84 | 1.40 | 0.57 | 0.78 | 0.62 | 1.07 | 2.84 | 0.66 | 0.80 | 0.19 | 0.11 | 4.84 | |||||||||||||
1999 | 0.40 | 0.98 | 0.15 | 0.83 | 0.44 | 0.47 | 2.25 | 0.60 | 1.75 | 0.01 | 0.00 | 0.25 | e | 2.25 | e | |||||||||||
2000 | 0.95 | 1.78 | a | 1.15 | 0.60 | 0.10 | a | 0.18 | 0.03 | 1.63 | 0.00 | 1.61 | 0.18 | 0.13 | 1.78 | b | ||||||||||
2001 | 1.16 | 1.36 | 0.30 | 1.13 | a | 0.77 | 0.00 | 0.78 | 0.98 | 0.88 | 1.06 | 1.21 | 0.59 | c | 1.36 | d | ||||||||||
2002 | 0.97 | 0.40 | 0.75 | a | 0.31 | 0.00 | 0.02 | 0.48 | 0.00 | 0.66 | 0.32 | 2.93 | 1.08 | 2.93 | a | |||||||||||
2003 | 0.06 | a | 3.00 | 1.50 | 0.80 | 0.75 | 0.03 | 1.98 | 2.08 | 0.80 | 0.00 | 1.17 | 3.60 | j | 3.60 | k | ||||||||||
2004 | 0.14 | 2.16 | 1.04 | a | 0.68 | 0.00 | 0.25 | 0.71 | 0.70 | 0.23 | 7.78 | 2.64 | a | 3.01 | 7.78 | b | ||||||||||
2005 | 4.12 | 1.00 | a | 2.10 | 0.45 | 0.40 | a | 0.00 | 1.87 | 1.90 | 1.00 | 1.52 | 0.04 | 0.23 | 4.12 | b | ||||||||||
2006 | 0.94 | 3.66 | 2.58 | 1.45 | 0.09 | 0.51 | 0.57 | 1.00 | 0.18 | 0.66 | 0.00 | 0.80 | 3.66 | |||||||||||||
2007 | 0.33 | 0.77 | 1.25 | 0.32 | 0.00 | 0.00 | 1.20 | 2.50 | 3.80 | 0.00 | 0.00 | 2.20 | 3.80 | |||||||||||||
2008 | 2.86 | 0.88 | 0.48 | 0.00 | 0.75 | 0.00 | 1.20 | 0.72 | 1.52 | 0.38 | 2.00 | 1.60 | 2.86 | |||||||||||||
2009 | 0.65 | 1.60 | 0.39 | 0.38 | 0.60 | 0.19 | 1.91 | 0.33 | 0.25 | 0.10 | 0.63 | 1.75 | a | 1.91 | a | |||||||||||
2010 | 2.90 | 1.60 | 0.60 | 0.80 | 0.28 | 0.23 | 0.10 | 0.83 | 0.12 | 1.22 | 0.88 | 5.33 | 5.33 | |||||||||||||
2011 | 0.45 | 2.13 | 0.90 | 0.87 | 0.11 | 0.00 | 0.79 | 0.48 | 0.58 | 2.40 | 0.39 | 0.61 | 2.40 | |||||||||||||
2012 | 1.27 | 0.26 | 1.65 | 0.44 | 0.00 | 0.00 | 0.34 | 2.50 | 3.35 | 1.23 | 0.10 | 1.80 | 3.35 | |||||||||||||
2013 | 0.79 | 0.22 | 0.90 | 0.35 | 0.54 | 0.00 | 0.37 | 0.67 | 0.77 | 0.57 | 1.25 | 0.55 | 1.25 | |||||||||||||
2014 | 0.29 | 0.33 | 3.41 | 0.33 | 0.13 | 0.00 | 1.43 | 0.51 | 0.61 | 0.00 | 0.38 | 1.93 | 3.41 | |||||||||||||
2015 | 1.40 | 1.07 | 0.81 | 0.14 | 0.47 | 0.38 | 0.62 | 0.69 | 0.95 | 1.15 | 0.27 | 0.31 | 1.40 | |||||||||||||
2016 | 1.12 | 1.67 | 0.51 | 0.92 | 0.64 | 0.35 | 1.15 | 0.60 | 0.05 | 1.85 | 0.21 | 3.35 | 3.35 | |||||||||||||
2017 | 4.80 | a | 1.65 | 0.43 | a | 0.32 | 0.05 | 0.00 | 2.30 | 2.00 | 1.30 | 0.00 | 0.20 | 0.08 | 4.80 | b | ||||||||||
2018 | 3.00 | 0.18 | 2.49 | 0.19 | 0.53 | 0.00 | 1.48 | 1.10 | 0.35 | 0.88 | 1.57 | 0.95 | 3.00 | |||||||||||||
2019 | 0.78 | 3.28 | 1.23 | 0.72 | 1.50 | 0.73 | 1.08 | 0.19 | 0.20 | 0.00 | a | 1.39 | 0.90 | a | 3.28 | b | ||||||||||
2020 | 0.24 | 0.30 | 2.89 | 1.17 | 0.00 | 0.00 | 0.10 | 0.90 | a | 0.00 | 0.00 | 0.70 | 0.17 | 2.89 | a | |||||||||||
2021 | 0.88 | a | 0.09 | 0.71 | 0.01 | 0.48 | 0.17 | b | 0.93 | c | 1.02 | 0.12 | a | 0.96 | 0.14 | a | 5.55 | 5.55 | h | |||||||
2022 | 0.05 | 0.28 | a | 0.19 | 0.12 | 0.00 | 0.12 | 0.80 | 1.01 | c | 1.22 | 0.52 | 1.42 | c | 0.60 | 1.42 | g | |||||||||
2023 | 2.10 | l | 1.15 | d | 2.00 | c | 0.10 | 0.65 | b | 1.96 | 0.00 | 5.50 | d | 0.38 | d | 0.31 | a | 0.66 | c | 0.04 | ----- | z | ||||
2024 | 0.70 | 1.57 | d | 0.57 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.22 | 1.46 | 1.16 | 0.55 | 0.43 | 0.28 | 0.96 | 1.19 | 0.84 | 0.85 | 0.85 | 1.15 | 3.14 | |||||||||||||
S.D. | 1.06 | 1.19 | 1.05 | 0.45 | 0.37 | 0.40 | 0.73 | 0.97 | 0.96 | 1.27 | 0.91 | 1.24 | 1.45 | |||||||||||||
SKEW | 1.56 | 1.07 | 1.65 | 1.28 | 1.06 | 2.31 | 0.43 | 2.08 | 2.07 | 3.79 | 1.71 | 2.07 | 1.07 | |||||||||||||
MAX | 4.80 | 4.84 | 5.06 | 2.00 | 1.60 | 1.96 | 2.32 | 5.50 | 4.26 | 7.78 | 4.45 | 5.55 | 7.78 | |||||||||||||
MIN | 0.05 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.10 | |||||||||||||
YRS | 44 | 46 | 43 | 46 | 47 | 47 | 46 | 45 | 46 | 46 | 46 | 43 | 29 |