YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.55 | 1.28 | 0.78 | b | 1.26 | 1.64 | 2.18 | ----- | z | |||||
1949 | 0.80 | 3.22 | 1.97 | 0.41 | 3.53 | 0.32 | 0.08 | 0.20 | 0.35 | 1.41 | 1.51 | 1.69 | 3.53 | |||||||||||||
1950 | 3.04 | 1.52 | 2.10 | 1.62 | 0.74 | 0.55 | 0.05 | 0.38 | 1.18 | 4.97 | a | 2.20 | 2.80 | 4.97 | a | |||||||||||
1951 | 2.17 | 2.34 | 2.06 | 1.36 | 0.93 | 0.04 | 0.00 | 0.25 | 2.25 | 3.29 | 3.80 | 1.93 | 3.80 | |||||||||||||
1952 | 2.81 | 1.26 | 1.60 | 1.56 | 0.41 | 0.71 | 0.04 | 0.15 | 0.39 | 0.59 | 0.99 | 2.60 | 2.81 | |||||||||||||
1953 | 6.46 | 3.14 | 2.06 | 1.36 | 1.60 | 1.05 | 0.00 | 2.00 | 2.03 | 2.05 | 6.56 | 1.80 | 6.56 | |||||||||||||
1954 | 3.44 | 2.00 | 1.72 | 1.17 | 0.32 | 1.33 | 0.59 | 1.18 | 1.36 | 1.34 | 2.16 | 4.99 | 4.99 | |||||||||||||
1955 | 1.86 | 1.81 | 1.69 | 1.80 | 0.20 | 0.22 | 0.61 | 0.04 | 2.10 | 2.80 | 2.38 | 7.34 | 7.34 | |||||||||||||
1956 | 3.73 | 2.66 | 1.25 | 0.21 | 1.27 | 0.75 | 0.02 | 0.02 | 0.82 | 1.72 | 0.99 | 2.03 | 3.73 | |||||||||||||
1957 | 1.35 | 2.40 | 1.63 | 1.32 | 1.68 | 0.44 | 0.61 | 0.42 | 2.00 | 2.06 | 1.40 | 4.75 | 4.75 | |||||||||||||
1958 | 2.71 | 5.69 | b | 2.05 | 2.17 | 0.55 | 0.20 | 0.24 | 0.00 | 0.85 | 2.80 | 1.58 | 2.00 | a | 5.69 | c | ||||||||||
1959 | 4.21 | 3.02 | 1.42 | 0.30 | 1.41 | 0.24 | 0.10 | 0.00 | 1.70 | 1.00 | 0.40 | 3.39 | 4.21 | |||||||||||||
1960 | 2.30 | 1.33 | 1.94 | 2.00 | 2.30 | 0.00 | 0.05 | 0.20 | 0.05 | 2.24 | 4.59 | 1.50 | 4.59 | |||||||||||||
1961 | 1.73 | 3.54 | 1.89 | 1.68 | 1.63 | 0.70 | 0.28 | 0.21 | 0.53 | 3.64 | 5.80 | 2.93 | 5.80 | |||||||||||||
1962 | 1.29 | 2.67 | 4.00 | 2.30 | a | 1.02 | 0.80 | 0.00 | 1.01 | 1.12 | 2.12 | 2.60 | 2.80 | a | 4.00 | b | ||||||||||
1963 | 0.79 | 1.55 | 1.92 | 3.25 | 4.59 | 0.30 | 0.41 | 0.02 | 0.92 | 1.79 | 4.00 | 1.49 | 4.59 | |||||||||||||
1964 | 3.17 | 0.71 | 2.61 | 0.45 | 0.63 | 0.68 | 0.85 | 0.15 | 0.26 | 1.17 | 2.52 | 2.69 | 3.17 | |||||||||||||
1965 | 2.20 | 1.64 | 0.86 | 2.30 | b | 0.67 | 0.44 | 0.03 | 0.53 | 0.02 | 0.65 | 2.59 | 2.99 | a | 2.99 | c | ||||||||||
1966 | 2.90 | 0.97 | 3.71 | 1.28 | 0.30 | 0.73 | 0.50 | 0.40 | 2.19 | 0.70 | 3.15 | b | 2.37 | a | 3.71 | c | ||||||||||
1967 | 2.80 | b | 1.15 | 2.10 | b | 2.30 | a | 1.43 | 0.15 | 0.00 | 0.00 | 0.62 | 1.65 | a | 1.91 | 4.60 | c | 4.60 | i | |||||||
1968 | 3.82 | c | 4.68 | b | 2.10 | b | 0.55 | 1.89 | 1.53 | a | 0.29 | 1.35 | 0.76 | 2.82 | b | 3.96 | f | 4.40 | f | 4.68 | v | |||||
1969 | 4.48 | d | 2.70 | d | 1.02 | b | 1.88 | 1.23 | 0.40 | 0.10 | 0.00 | 1.38 | 1.62 | a | 2.15 | a | 4.24 | e | 4.48 | q | ||||||
1970 | 3.23 | a | 2.38 | b | 1.73 | a | 1.13 | b | 1.77 | a | 0.69 | 0.00 | 0.00 | 0.37 | 1.98 | 4.00 | d | 2.40 | a | 4.00 | l | |||||
1971 | 3.82 | b | 1.80 | 2.10 | 3.01 | 0.82 | 3.13 | 0.45 | 0.79 | 1.92 | 2.24 | a | 4.33 | 3.73 | d | 4.33 | g | |||||||||
1972 | 3.60 | 4.85 | b | 6.00 | a | 2.40 | a | 0.65 | 0.65 | 0.05 | 0.75 | 0.24 | 1.19 | 2.19 | b | 4.56 | d | 6.00 | j | |||||||
1973 | 2.77 | a | 4.08 | b | 3.53 | b | 0.85 | 1.43 | 0.72 | 0.00 | 0.22 | 2.27 | a | 1.72 | c | 4.92 | b | 2.99 | h | 4.92 | s | |||||
1974 | 6.07 | a | 4.06 | c | 2.19 | f | 4.52 | b | 1.02 | 0.49 | 1.35 | 0.00 | 0.00 | 1.31 | 3.79 | 2.15 | b | 6.07 | n | |||||||
1975 | 4.05 | a | 3.93 | d | 4.30 | b | 1.10 | a | 1.62 | c | 0.00 | h | 0.00 | 0.83 | b | 0.07 | 2.80 | d | 2.36 | a | 3.40 | d | ----- | z | ||
1976 | 2.10 | e | 3.86 | c | 1.60 | d | 1.35 | d | 0.28 | 0.72 | 0.00 | 0.77 | 0.61 | 0.44 | 1.50 | a | 0.86 | 3.86 | q | |||||||
1977 | 1.02 | c | 1.91 | b | 5.12 | d | 0.60 | c | 1.30 | c | 0.46 | b | 0.03 | a | 0.72 | b | 2.96 | a | 2.37 | c | 2.45 | e | 2.95 | h | ----- | z |
1978 | 3.36 | e | 2.52 | c | 1.44 | b | 2.83 | c | 2.86 | 0.55 | a | 0.08 | 3.17 | 3.26 | 0.07 | a | 2.25 | f | 1.94 | b | 3.36 | w | ||||
1979 | 3.00 | a | 2.95 | e | 1.03 | e | 2.21 | 4.83 | a | 0.33 | 1.46 | 0.36 | 2.06 | 1.48 | a | 2.00 | d | 4.00 | d | 4.83 | u | |||||
1980 | 1.95 | 2.12 | d | 2.24 | e | 3.32 | d | 1.10 | b | 0.81 | a | 0.07 | 0.00 | 0.40 | 1.32 | 1.82 | g | 6.80 | b | 6.80 | y | |||||
1981 | 3.55 | b | 2.69 | b | 2.26 | 1.23 | f | 2.00 | 0.49 | 0.06 | 0.12 | 5.25 | c | 4.46 | 2.77 | a | 4.00 | 5.25 | n | |||||||
1982 | 2.26 | a | 2.11 | 2.06 | l | 2.24 | p | 0.12 | 0.56 | 0.20 | 0.02 | 0.71 | a | 1.52 | 2.20 | 3.00 | ----- | z | ||||||||
1983 | 3.45 | 2.95 | 7.42 | 1.95 | 0.66 | 0.79 | a | 2.00 | 3.38 | 0.12 | c | 3.73 | e | 2.86 | j | 3.70 | e | 7.42 | x | |||||||
1984 | 1.10 | a | 6.40 | a | 1.91 | b | 2.56 | b | 1.87 | a | 1.11 | 0.10 | 0.06 | 0.31 | 2.31 | b | 5.51 | j | 2.91 | e | 6.40 | x | ||||
1985 | 0.63 | 2.03 | 3.15 | a | 0.41 | 0.53 | 3.31 | b | 0.11 | 0.14 | 1.72 | 3.22 | 1.31 | 1.11 | 3.31 | c | ||||||||||
1986 | 2.68 | a | 7.00 | b | 2.20 | 1.14 | 2.35 | 0.78 | 0.58 | 0.00 | 1.54 | 1.29 | 3.31 | 1.10 | 7.00 | c | ||||||||||
1987 | 2.35 | 2.68 | 2.70 | 0.41 | 0.88 | 0.16 | 0.17 | 0.00 | 0.02 | 0.09 | 1.41 | 7.94 | 7.94 | |||||||||||||
1988 | 2.55 | 0.53 | 1.30 | 0.73 | 1.27 | 1.74 | 0.20 | 0.00 | 0.40 | 0.65 | 3.50 | 1.60 | 3.50 | |||||||||||||
1989 | 2.18 | 1.58 | 2.13 | a | 1.50 | 1.61 | 1.08 | b | 0.13 | 0.46 | 0.48 | 2.55 | 1.78 | 1.16 | 2.55 | c | ||||||||||
1990 | 3.00 | 2.73 | 1.67 | 0.54 | 1.62 | 0.80 | 0.88 | 1.88 | 0.13 | 4.01 | 1.97 | 0.64 | 4.01 | |||||||||||||
1991 | 1.10 | 1.40 | ----- | z | 1.96 | 1.84 | a | 0.09 | b | 0.22 | 0.85 | b | 0.01 | 1.00 | 2.30 | f | 2.90 | c | ----- | z | ||||||
1992 | 2.31 | b | 1.19 | b | 1.55 | c | 3.81 | d | 0.04 | 2.87 | a | 0.29 | b | 0.06 | b | 0.94 | 1.10 | a | 1.64 | d | 3.54 | g | ----- | z | ||
1993 | 1.54 | h | 2.62 | e | 3.20 | c | 3.33 | c | 1.68 | c | 0.52 | b | 1.12 | 0.55 | a | 0.01 | c | 0.89 | i | 1.71 | b | 4.00 | a | ----- | z | |
1994 | 5.34 | b | 4.16 | c | 1.57 | a | 2.01 | a | 1.32 | a | 1.93 | c | 0.00 | 0.00 | 0.48 | d | 1.40 | a | 1.94 | b | 3.25 | d | 5.34 | v | ||
1995 | 5.66 | e | 2.30 | c | 2.05 | b | 1.37 | a | 1.45 | b | 1.41 | a | 0.12 | 0.51 | 0.52 | a | 2.08 | 2.73 | c | 2.30 | i | ----- | z | |||
1996 | 2.41 | c | 2.47 | a | 2.30 | 1.48 | 1.55 | a | 0.25 | 0.24 | 0.02 | 0.35 | o | 1.96 | 6.47 | c | 3.79 | b | 6.47 | y | ||||||
1997 | 2.10 | a | 0.88 | e | 2.17 | d | 1.83 | d | 1.14 | a | 1.08 | 0.73 | 1.55 | 2.96 | 1.99 | a | 3.63 | c | 1.91 | d | 3.63 | w | ||||
1998 | 3.38 | a | 1.97 | 2.19 | 1.56 | 1.42 | 0.26 | 0.01 | 0.01 | 0.18 | b | 1.61 | 4.94 | a | 3.92 | 4.94 | d | |||||||||
1999 | 2.19 | 2.45 | 2.26 | 1.66 | 1.85 | 0.42 | 0.02 | 1.50 | 0.00 | 1.75 | 1.90 | 2.04 | 2.45 | |||||||||||||
2000 | 2.61 | 2.00 | 0.82 | 1.10 | b | 1.60 | 0.91 | 0.02 | 0.03 | 0.34 | 3.19 | 1.25 | 1.49 | 3.19 | b | |||||||||||
2001 | 0.98 | b | 1.21 | 1.42 | 0.57 | 1.94 | 0.62 | 0.13 | 0.41 | 0.31 | 2.20 | 1.44 | 1.40 | 2.20 | b | |||||||||||
2002 | 3.38 | 2.55 | 0.93 | 1.04 | 0.72 | 1.03 | 0.01 | 0.01 | 0.50 | 0.10 | 1.55 | 2.87 | 3.38 | |||||||||||||
2003 | 2.54 | 1.68 | 1.52 | 1.56 | 0.52 | 0.09 | 0.00 | 0.04 | 0.37 | 0.42 | 1.14 | 1.57 | s | 2.54 | s | |||||||||||
2004 | 1.22 | 2.00 | 1.10 | 1.16 | 0.71 | 0.30 | 0.03 | 0.32 | 0.77 | 1.47 | 1.09 | 2.48 | a | 2.48 | a | |||||||||||
2005 | 0.98 | 1.87 | 1.80 | 1.39 | 0.96 | 1.30 | 0.19 | 0.00 | 0.26 | 1.01 | 2.90 | 2.96 | 2.96 | |||||||||||||
2006 | 2.51 | x | 1.58 | l | 2.05 | a | 1.97 | c | 1.61 | 0.81 | 0.02 | 0.05 | 0.17 | 0.36 | 3.45 | b | 6.20 | a | ----- | z | ||||||
2007 | 2.00 | 1.31 | 0.99 | 1.10 | 0.84 | 0.51 | 0.42 | 0.50 | 1.01 | 1.75 | 2.60 | a | 2.38 | 2.60 | a | |||||||||||
2008 | 2.20 | 1.86 | 1.19 | 0.65 | 0.23 | 0.56 | 0.00 | 0.92 | 0.12 | 0.91 | 1.35 | 3.40 | 3.40 | |||||||||||||
2009 | 1.02 | 1.97 | 2.16 | 0.88 | 1.46 | 0.43 | 0.25 | 0.07 | 0.59 | 1.15 | 2.67 | 1.77 | 2.67 | |||||||||||||
2010 | 1.82 | 2.02 | 1.86 | 2.33 | 1.49 | 2.40 | 0.02 | 0.00 | 1.70 | 1.43 | 2.72 | 2.24 | 2.72 | |||||||||||||
2011 | 2.71 | 2.39 | a | 2.11 | 1.01 | 1.48 | 0.78 | 0.06 | 0.00 | 0.32 | 1.53 | 2.65 | 2.84 | 2.84 | a | |||||||||||
2012 | 5.25 | 1.17 | 3.34 | 2.77 | 1.11 | 2.10 | 0.26 | 0.05 | 0.00 | 2.60 | 4.54 | 2.76 | 5.25 | |||||||||||||
2013 | 2.16 | 1.80 | 2.02 | 0.83 | 0.66 | 0.47 | 0.00 | a | 0.22 | 1.31 | 1.00 | q | 1.79 | 1.02 | 2.16 | r | ||||||||||
2014 | 1.17 | 2.36 | 2.12 | 1.00 | 0.75 | 0.75 | 0.50 | 0.00 | 3.11 | 1.93 | 1.82 | 2.83 | 3.11 | |||||||||||||
2015 | 1.96 | 2.18 | 1.63 | 2.44 | 0.53 | 0.55 | 0.00 | 1.30 | 0.84 | 1.09 | 1.27 | 4.05 | 4.05 | |||||||||||||
2016 | 1.80 | 0.78 | 1.88 | 1.36 | 0.11 | 0.31 | 0.58 | 0.00 | 0.00 | 3.90 | 2.41 | 3.36 | 3.90 | |||||||||||||
2017 | 3.29 | 3.25 | 2.00 | 1.76 | ----- | z | 1.15 | d | 0.00 | ----- | z | ----- | z | 1.55 | p | 1.90 | 1.20 | a | ----- | z | ||||||
2018 | 2.62 | 1.21 | 3.61 | 1.00 | 0.07 | 0.27 | 0.00 | 0.00 | 0.16 | 1.02 | 1.97 | 1.75 | 3.61 | |||||||||||||
2019 | ----- | z | 4.75 | 1.30 | 4.13 | 1.23 | 0.08 | b | 0.10 | 0.29 | 1.30 | 0.73 | 1.60 | 1.28 | ----- | z | ||||||||||
2020 | 1.77 | 0.72 | 0.28 | n | 1.05 | v | ----- | z | ----- | z | ----- | z | ----- | z | 0.80 | i | 1.15 | k | 2.30 | o | 2.00 | o | ----- | z | ||
2021 | 3.02 | n | 4.03 | d | 3.00 | 1.80 | g | 0.71 | k | 4.62 | l | 0.00 | n | 0.00 | l | 2.03 | p | ----- | z | ----- | z | ----- | z | ----- | z | |
2022 | 2.21 | n | 1.90 | l | 1.06 | g | 1.32 | f | 1.57 | l | 1.75 | i | 1.42 | o | 0.65 | h | 0.07 | i | 0.52 | k | 6.02 | h | 3.73 | h | ----- | z |
2023 | 4.11 | i | 2.02 | d | 2.56 | d | 2.01 | f | 0.50 | 0.06 | 0.00 | 0.02 | f | 1.51 | h | 1.20 | f | 2.10 | h | 0.80 | n | ----- | z | |||
2024 | 2.30 | f | 2.40 | e | 1.44 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 2.65 | 2.46 | 2.20 | 1.64 | 1.26 | 0.78 | 0.26 | 0.46 | 0.95 | 1.80 | 2.54 | 2.88 | 4.03 | |||||||||||||
S.D. | 1.27 | 1.28 | 1.14 | 0.94 | 0.89 | 0.69 | 0.38 | 0.69 | 1.00 | 1.05 | 1.31 | 1.50 | 1.40 | |||||||||||||
SKEW | 0.87 | 1.30 | 2.27 | 0.91 | 1.74 | 1.93 | 2.38 | 2.34 | 1.70 | 0.81 | 1.22 | 1.27 | 1.10 | |||||||||||||
MAX | 6.46 | 7.00 | 7.42 | 4.52 | 4.83 | 3.31 | 2.00 | 3.38 | 5.25 | 4.97 | 6.56 | 7.94 | 7.94 | |||||||||||||
MIN | 0.63 | 0.53 | 0.82 | 0.21 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.40 | 0.64 | 2.20 | |||||||||||||
YRS | 69 | 74 | 70 | 69 | 71 | 71 | 73 | 71 | 70 | 69 | 66 | 66 | 41 |