YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | 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 | 0.18 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.17 | 1.55 | 3.81 | 2.82 | 11.35 | h | ||||
1966 | 2.23 | 0.43 | 3.23 | 1.25 | 0.89 | 1.58 | 0.59 | 5.41 | 1.92 | 2.89 | 3.07 | 2.08 | 25.57 | |||||||||||||
1967 | 1.54 | 1.95 | 1.44 | 1.16 | 1.89 | 7.13 | 1.62 | 2.25 | 0.80 | 5.56 | 2.04 | 1.94 | 29.32 | |||||||||||||
1968 | 0.45 | 2.11 | 1.26 | 2.64 | 3.53 | 4.37 | 3.60 | 3.22 | 6.57 | 2.19 | 1.65 | 1.76 | 33.35 | |||||||||||||
1969 | 2.28 | 0.58 | 0.77 | 2.03 | 2.46 | 2.79 | 2.45 | 3.21 | 1.73 | 4.05 | 1.44 | 0.96 | 24.75 | |||||||||||||
1970 | 0.78 | 0.10 | 0.55 | 1.38 | 5.29 | 2.18 | 3.23 | 0.35 | 5.91 | 2.52 | 1.95 | 1.70 | 25.94 | |||||||||||||
1971 | 1.48 | 1.18 | 1.56 | 1.46 | 2.29 | 5.80 | 1.22 | 1.53 | 2.07 | 3.20 | 1.37 | 2.16 | 25.32 | |||||||||||||
1972 | 1.20 | 1.32 | 1.98 | a | ----- | z | 2.00 | 4.62 | 2.85 | c | 4.22 | 3.85 | 1.30 | b | 2.80 | d | ----- | z | 26.14 | b | ||||||
1973 | ----- | z | ----- | z | 2.60 | a | 0.50 | j | 4.44 | c | 2.50 | a | 2.05 | b | 2.25 | d | 1.95 | e | 1.85 | a | 1.50 | h | ----- | z | 17.64 | e |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | 1.75 | h | ----- | z | ----- | z | 0.25 | v | ----- | z | 1.67 | 1.55 | g | 0.09 | k | 1.67 | k | |
1975 | 0.04 | s | 0.44 | g | 2.47 | 1.95 | 2.82 | 4.43 | 1.84 | 2.95 | 3.90 | 1.07 | 3.38 | 1.94 | 26.75 | b | ||||||||||
1976 | 1.87 | 1.89 | 3.65 | 1.96 | 1.45 | 1.63 | 3.02 | 0.47 | 1.64 | 2.07 | 1.82 | 0.33 | p | 21.47 | a | |||||||||||
1977 | ----- | z | 1.26 | 4.64 | 2.54 | 1.53 | 3.54 | 4.99 | 3.05 | 4.64 | 2.14 | 1.82 | 5.68 | 35.83 | a | |||||||||||
1978 | 0.31 | j | 0.15 | f | 0.40 | d | 1.56 | 4.47 | 1.70 | 5.09 | 5.71 | 5.41 | 1.17 | 3.45 | 2.68 | 31.64 | b | |||||||||
1979 | 3.31 | 1.95 | 4.86 | 0.88 | 3.83 | 6.25 | 4.33 | 2.46 | 3.01 | 5.34 | 2.38 | 0.74 | 39.34 | |||||||||||||
1980 | 1.42 | m | 1.01 | 0.41 | 4.68 | 2.52 | 4.15 | 2.90 | 3.56 | 7.91 | 2.73 | 1.68 | 1.86 | 33.41 | a | |||||||||||
1981 | 1.21 | 1.88 | 0.81 | d | 2.72 | h | 2.55 | 4.78 | 0.70 | 3.33 | 1.52 | 5.12 | 1.05 | 3.93 | 26.88 | a | ||||||||||
1982 | 3.34 | 0.51 | 1.07 | 3.49 | 2.64 | 1.05 | 6.10 | 3.83 | 3.57 | 5.07 | 1.41 | c | 2.69 | 34.77 | ||||||||||||
1983 | 2.68 | 1.27 | 4.09 | 2.56 | 6.63 | 4.91 | 1.02 | 3.01 | 6.85 | 5.35 | 4.19 | 2.56 | 45.12 | |||||||||||||
1984 | 1.58 | 2.03 | 3.67 | 1.53 | o | 0.93 | 2.63 | 1.69 | 2.65 | a | 4.72 | 1.80 | 1.03 | f | 2.51 | 24.21 | b | |||||||||
1985 | 3.04 | 3.43 | 2.68 | 0.99 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.05 | q | 4.58 | d | 1.79 | h | 13.73 | h | |||
1986 | 1.33 | i | 0.77 | a | 3.16 | a | 1.44 | 0.24 | 3.05 | 3.21 | 2.24 | 2.97 | 4.34 | 2.87 | g | 0.42 | 21.84 | b | ||||||||
1987 | 0.53 | b | 0.37 | a | 1.09 | 1.38 | 3.09 | b | 2.92 | 3.74 | c | 7.07 | 2.78 | c | 3.95 | a | 3.14 | d | 1.21 | m | 30.06 | a | ||||
1988 | 0.74 | c | 1.44 | d | 1.28 | c | 0.61 | 1.61 | a | 1.16 | 1.07 | 8.59 | e | 2.77 | a | 3.65 | 3.69 | c | 0.87 | j | 26.61 | a | ||||
1989 | 0.51 | e | 0.42 | e | ----- | z | 0.92 | 1.65 | 5.86 | 1.31 | 1.28 | b | 1.51 | 1.84 | b | 0.63 | f | 1.35 | c | 16.65 | b | |||||
1990 | 0.36 | f | ----- | z | 0.73 | b | 1.84 | 1.70 | 4.86 | 3.43 | 0.82 | b | 5.50 | 4.72 | 1.26 | d | 1.25 | 26.11 | b | |||||||
1991 | 0.84 | h | 1.08 | 3.86 | 2.26 | 2.70 | 1.78 | a | 5.50 | b | 0.61 | 2.98 | 3.16 | 2.84 | e | 0.96 | a | 27.73 | a | |||||||
1992 | 0.83 | 0.97 | 0.78 | 1.78 | 1.29 | 0.37 | a | 3.90 | h | 2.74 | c | 2.01 | c | 1.94 | a | 2.87 | 0.00 | x | 15.58 | b | ||||||
1993 | 0.37 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.39 | t | 1.00 | 1.00 | k | |
1994 | 1.47 | d | 0.07 | i | 1.94 | 1.96 | 1.64 | g | 1.72 | d | 1.68 | b | 2.62 | 2.64 | d | 1.42 | e | 0.90 | f | 0.33 | a | 15.78 | c | |||
1995 | 0.78 | v | 1.09 | 0.09 | w | 1.42 | q | 1.74 | a | 0.27 | c | 3.27 | 2.11 | c | 4.21 | ----- | z | 2.92 | a | 2.64 | b | 18.25 | d | |||
1996 | 2.41 | e | 1.26 | n | 0.94 | k | 3.41 | a | 1.66 | 7.05 | ----- | z | ----- | z | 3.56 | d | 2.54 | 1.88 | c | 3.82 | b | 26.33 | d | |||
1997 | 3.56 | a | 0.57 | d | 1.90 | k | 0.31 | h | 2.23 | 1.05 | 4.75 | l | 4.03 | n | 2.74 | r | 3.81 | a | 2.46 | b | 1.65 | 15.33 | e | |||
1998 | 1.63 | 0.08 | g | 1.14 | 0.02 | d | 3.25 | 3.48 | a | 4.34 | c | 2.94 | 1.98 | a | 1.75 | i | 3.49 | i | 1.03 | 19.81 | c | |||||
1999 | 1.98 | g | 0.43 | m | 0.65 | a | 0.37 | d | 4.23 | h | 2.01 | k | 1.23 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.02 | j |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.17 | b | 3.36 | f | 1.48 | g | 3.47 | a | 2.77 | d | 1.83 | c | 1.81 | i | 9.24 | h |
2004 | 2.68 | a | 1.62 | a | 2.10 | c | 2.25 | i | 3.84 | e | 1.69 | d | 3.98 | a | 3.60 | f | 0.76 | k | 3.42 | e | 2.49 | b | 3.28 | f | 21.82 | d |
2005 | 1.78 | b | 1.79 | c | 1.17 | c | 1.45 | c | 1.12 | g | 4.24 | c | 0.91 | o | 1.28 | c | 7.53 | b | 2.83 | j | 2.62 | t | 0.60 | v | 19.24 | e |
2006 | 0.92 | t | 0.80 | l | 0.24 | p | 0.02 | y | 7.41 | g | 0.71 | m | 1.54 | j | 1.34 | 1.58 | b | 2.66 | 0.60 | v | 1.97 | j | 5.58 | i | ||
2007 | 2.61 | a | 1.73 | b | 2.17 | h | 4.03 | h | 1.11 | l | 0.56 | p | 0.83 | h | 1.49 | y | 6.33 | i | 4.05 | d | 0.43 | q | 1.22 | s | 8.39 | i |
2008 | 1.75 | l | 0.05 | y | 0.50 | l | 0.95 | r | 0.99 | r | 3.29 | 1.82 | 1.05 | 2.27 | 1.96 | 3.07 | 2.16 | 15.62 | e | |||||||
2009 | 2.00 | 2.54 | 0.61 | 3.80 | 1.40 | 3.31 | 4.46 | 6.53 | 2.04 | 5.78 | 1.48 | 3.09 | 37.04 | |||||||||||||
2010 | 1.79 | 1.85 | 0.34 | 0.63 | 1.15 | 4.51 | 2.95 | 2.85 | 6.96 | 1.90 | 1.93 | 1.60 | 28.46 | |||||||||||||
2011 | 2.19 | 0.61 | 1.33 | 4.15 | 3.74 | 4.20 | 0.78 | 1.47 | 5.73 | 2.97 | 3.04 | 2.27 | 32.48 | |||||||||||||
2012 | 3.29 | 0.72 | 2.47 | ----- | z | 1.96 | 3.20 | 3.42 | 1.31 | 4.37 | 3.43 | 2.11 | 1.16 | 27.44 | a | |||||||||||
2013 | 2.49 | 2.38 | 2.03 | 5.46 | 3.93 | 3.72 | 6.33 | 3.29 | 0.97 | 3.92 | 4.19 | 2.32 | 41.03 | |||||||||||||
2014 | 2.11 | 1.37 | 1.93 | 3.59 | 2.66 | 2.08 | 3.62 | 3.31 | 4.76 | 5.77 | 5.33 | 3.19 | 39.72 | |||||||||||||
2015 | 1.28 | 1.58 | 1.29 | 2.49 | 3.78 | b | 4.40 | 1.52 | 0.73 | k | 1.60 | 2.35 | 3.32 | 5.02 | 28.63 | a | ||||||||||
2016 | 2.42 | 3.31 | 2.41 | 3.30 | 2.86 | 2.77 | 3.79 | 4.94 | 5.39 | 2.98 | 1.53 | 3.44 | 39.14 | |||||||||||||
2017 | 1.64 | 2.04 | 1.41 | 4.97 | 3.79 | 3.74 | 2.37 | 8.35 | 3.42 | 6.49 | 2.92 | 2.39 | 43.53 | |||||||||||||
2018 | 2.97 | 1.27 | 0.63 | 2.23 | 2.55 | 2.79 | 4.25 | 2.52 | 5.70 | 6.59 | 2.88 | 1.55 | 35.93 | |||||||||||||
2019 | 1.92 | 5.99 | 1.35 | 5.03 | 5.08 | 2.29 | 2.30 | 2.44 | 4.18 | 4.23 | 3.68 | 4.61 | 43.10 | |||||||||||||
2020 | 3.35 | 1.39 | 2.53 | 2.89 | 2.53 | 2.12 | 4.50 | 4.53 | 2.72 | 5.89 | 2.04 | 2.11 | 36.60 | |||||||||||||
2021 | 1.30 | 1.27 | 3.07 | 3.86 | 0.74 | 2.68 | 1.41 | 2.46 | 3.47 | 2.32 | 2.56 | 2.90 | 28.04 | |||||||||||||
2022 | 2.28 | 2.09 | 3.09 | 5.56 | 3.89 | 1.48 | 2.05 | 2.46 | 4.77 | 2.58 | 5.66 | 2.21 | 38.12 | |||||||||||||
2023 | 3.39 | 1.78 | 2.10 | 5.85 | 3.21 | 3.76 | 2.32 | 2.74 | 1.99 | 3.95 | 2.06 | 2.11 | 35.26 | |||||||||||||
2024 | 1.74 | 0.92 | 0.15 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.66 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 2.00 | 1.53 | 1.93 | 2.52 | 2.68 | 3.21 | 2.93 | 3.05 | 3.61 | 3.32 | 2.66 | 2.25 | 34.63 | |||||||||||||
S.D. | 0.87 | 1.01 | 1.20 | 1.53 | 1.32 | 1.65 | 1.48 | 1.90 | 1.82 | 1.50 | 1.08 | 1.17 | 6.37 | |||||||||||||
SKEW | 0.05 | 2.11 | 0.69 | 0.59 | 0.65 | 0.43 | 0.39 | 1.23 | 0.58 | 0.52 | 0.82 | 0.90 | -0.14 | |||||||||||||
MAX | 3.56 | 5.99 | 4.86 | 5.85 | 6.63 | 7.13 | 6.33 | 8.59 | 7.91 | 6.59 | 5.66 | 5.68 | 45.12 | |||||||||||||
MIN | 0.45 | 0.10 | 0.34 | 0.02 | 0.24 | 0.27 | 0.59 | 0.35 | 0.80 | 1.07 | 1.05 | 0.33 | 24.75 | |||||||||||||
YRS | 41 | 43 | 45 | 40 | 45 | 49 | 44 | 45 | 49 | 50 | 44 | 42 | 22 |