YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.54 | 1.54 | 0.04 | 1.73 | 5.85 | h | ||||
1938 | 0.72 | 1.39 | 2.31 | 0.14 | 0.03 | 2.71 | 1.72 | 2.75 | 2.05 | 0.00 | 0.21 | 1.44 | 15.47 | |||||||||||||
1939 | 1.15 | 0.59 | 1.83 | 0.95 | 0.00 | 0.05 | 2.41 | 1.31 | 2.33 | 2.69 | 1.38 | 0.62 | 15.31 | |||||||||||||
1940 | 0.88 | 2.36 | 0.64 | 0.36 | 0.96 | 2.16 | 0.28 | 3.51 | 4.96 | 0.42 | 2.75 | 3.93 | 23.21 | |||||||||||||
1941 | 1.60 | a | 1.17 | 1.73 | 2.72 | 1.05 | 1.35 | 1.90 | 4.47 | 3.16 | 1.67 | 1.13 | a | 1.78 | 23.73 | |||||||||||
1942 | 0.30 | 0.61 | 0.11 | 0.34 | 0.00 | 0.06 | 1.98 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.40 | e | |||||||
1943 | ----- | z | 0.51 | 1.47 | 0.05 | 1.03 | 0.64 | 2.80 | 1.01 | 2.65 | w | 0.37 | 0.04 | 0.93 | 8.85 | b | ||||||||||
1944 | 0.25 | 0.67 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.33 | 1.80 | 1.73 | 5.78 | g | |||||
1945 | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | k | |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | 0.04 | 0.14 | 3.43 | p | 3.33 | 1.67 | 0.65 | 1.58 | 0.98 | 8.39 | e | |||||||
1947 | 0.63 | 0.13 | 0.09 | 0.03 | 0.44 | 0.30 | 2.62 | v | 0.96 | v | ----- | z | 0.41 | l | 0.08 | ----- | z | 1.70 | e | |||||||
1948 | 1.00 | b | 1.98 | c | ----- | z | ----- | z | ----- | z | 0.50 | 0.58 | 2.43 | 1.11 | 1.92 | 0.06 | 3.00 | a | 12.58 | c | ||||||
1949 | 3.19 | 0.37 | 0.70 | 0.74 | 0.16 | 0.84 | 2.91 | 1.37 | 1.26 | 0.91 | 0.37 | 1.40 | 14.22 | |||||||||||||
1950 | 0.41 | 0.64 | 0.19 | 0.05 | 0.00 | 0.25 | 5.21 | 0.99 | 1.48 | 0.00 | 0.02 | 0.00 | 9.24 | |||||||||||||
1951 | 0.90 | 0.56 | 0.56 | 0.99 | 0.00 | 0.00 | 1.48 | 2.40 | 0.85 | 1.84 | a | 0.57 | 1.90 | 12.05 | ||||||||||||
1952 | 2.31 | 0.53 | 1.46 | 1.54 | 0.10 | 0.99 | 2.52 | 2.07 | 2.22 | 0.00 | 1.39 | 0.33 | 15.46 | |||||||||||||
1953 | 0.13 | 1.04 | 1.68 | 0.55 | 0.15 | 0.61 | 1.86 | a | 2.42 | 0.01 | 0.15 | 0.34 | ----- | z | 8.94 | a | ||||||||||
1954 | 0.72 | 0.25 | 2.15 | 0.00 | 0.26 | 0.31 | 3.01 | 2.83 | 0.92 | 0.15 | 0.00 | 0.08 | 10.68 | |||||||||||||
1955 | 2.60 | 0.55 | 0.03 | 0.09 | 0.98 | 0.52 | 2.57 | 1.45 | 0.12 | 1.87 | 0.09 | 1.14 | 12.01 | |||||||||||||
1956 | 0.81 | 1.73 | 0.00 | 0.36 | 0.10 | 0.90 | 1.63 | 0.96 | 0.00 | 0.24 | 0.00 | 0.17 | 6.90 | |||||||||||||
1957 | 4.02 | 0.36 | 1.10 | 1.13 | 1.61 | 1.27 | 3.18 | 3.96 | 0.01 | 2.28 | 0.84 | 0.21 | 19.97 | |||||||||||||
1958 | 0.16 | 1.86 | 2.89 | 1.55 | 0.25 | 0.54 | 1.35 | 2.53 | 3.99 | 1.73 | 0.48 | 0.00 | 17.33 | |||||||||||||
1959 | 0.07 | 1.25 | 0.02 | 0.57 | 0.00 | 0.29 | 4.60 | 4.75 | 0.00 | 3.22 | 1.33 | 2.89 | 18.99 | |||||||||||||
1960 | 2.86 | 0.47 | 0.33 | 0.00 | 0.62 | 0.40 | 3.08 | 1.18 | 1.38 | 4.28 | 0.04 | 1.30 | 15.94 | |||||||||||||
1961 | 0.69 | 0.00 | 1.31 | 0.00 | 0.08 | 1.16 | 2.06 | 1.91 | 2.24 | 2.56 | 1.59 | ----- | z | 13.60 | a | |||||||||||
1962 | 1.86 | 0.14 | 0.65 | 0.21 | 0.00 | ----- | z | 2.89 | 0.23 | 3.03 | 1.36 | 1.48 | 2.00 | 13.85 | a | |||||||||||
1963 | 1.16 | 0.93 | 0.30 | 0.62 | 0.02 | 0.04 | 1.63 | 4.11 | 2.54 | 1.02 | 0.61 | 0.13 | 13.11 | |||||||||||||
1964 | 0.31 | 0.02 | 0.47 | 0.16 | 0.09 | 0.00 | 4.03 | 1.16 | 2.37 | 0.23 | 0.59 | 0.77 | 10.20 | |||||||||||||
1965 | 2.53 | 0.96 | 0.55 | 0.22 | 0.02 | 0.37 | 4.54 | 1.34 | 1.03 | 0.15 | 1.37 | 7.03 | 20.11 | |||||||||||||
1966 | 0.98 | 1.12 | 0.11 | 0.02 | 0.00 | 1.79 | ----- | z | 2.87 | 3.24 | 0.05 | 0.83 | 0.95 | 11.96 | a | |||||||||||
1967 | 0.10 | 0.80 | 0.46 | 0.24 | 0.21 | 1.48 | 3.81 | 5.40 | 2.06 | ----- | z | 0.50 | 1.05 | k | 15.06 | b | ||||||||||
1968 | ----- | z | 0.77 | 0.97 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.12 | 0.00 | 0.68 | 1.82 | 4.36 | f | ||||||
1969 | 1.07 | 0.25 | 0.49 | 0.06 | 0.87 | 0.04 | 2.02 | 2.55 | 2.02 | 1.59 | 0.78 | 1.44 | 13.18 | |||||||||||||
1970 | 0.04 | 0.91 | 1.51 | 0.24 | 0.09 | 0.84 | 1.87 | 1.84 | 0.59 | 2.49 | 0.00 | 0.44 | 10.86 | |||||||||||||
1971 | 0.13 | 0.24 | 0.02 | 0.34 | 0.00 | 0.38 | 3.82 | 1.45 | 2.13 | 3.95 | 0.67 | 2.16 | 15.29 | |||||||||||||
1972 | 0.02 | 0.00 | 0.09 | 0.00 | 0.11 | 1.39 | 3.24 | 4.45 | 2.55 | 6.58 | 0.29 | 1.64 | 20.36 | |||||||||||||
1973 | 0.97 | 3.40 | ----- | z | 0.24 | 1.63 | 1.18 | ----- | z | 1.20 | 0.52 | 0.14 | 0.28 | 0.00 | 9.56 | b | ||||||||||
1974 | 1.29 | 0.16 | 0.94 | 0.58 | 0.16 | 0.04 | 2.54 | 1.95 | 1.45 | 3.02 | 1.04 | ----- | z | 13.17 | a | |||||||||||
1975 | ----- | z | ----- | z | 1.47 | ----- | z | ----- | z | 0.00 | 2.75 | ----- | z | ----- | z | ----- | z | 0.95 | 1.46 | 6.63 | g | |||||
1976 | 0.17 | ----- | z | 0.57 | 0.51 | 0.94 | 0.25 | 2.17 | 0.85 | 1.43 | ----- | z | 0.59 | ----- | z | 7.48 | c | |||||||||
1977 | 1.20 | 0.15 | 1.43 | 0.53 | 0.00 | 1.25 | 1.77 | 1.84 | 1.04 | 1.78 | ----- | z | 0.58 | 11.57 | a | |||||||||||
1978 | 2.45 | ----- | z | 2.57 | 0.03 | 0.53 | 1.37 | 2.43 | 2.75 | 0.90 | 2.31 | 3.07 | 3.83 | 22.24 | a | |||||||||||
1979 | 3.60 | 1.01 | 0.64 | 0.48 | 1.77 | 1.51 | 2.19 | 2.33 | 0.81 | 0.40 | 0.80 | 1.59 | 17.13 | |||||||||||||
1980 | 2.23 | 3.45 | 1.39 | 0.16 | 0.37 | 0.05 | 1.24 | 1.39 | 2.57 | 0.36 | 0.32 | 0.26 | 13.79 | |||||||||||||
1981 | 0.84 | 0.84 | 2.21 | 0.48 | 2.84 | 0.46 | 3.55 | 1.84 | 2.11 | 0.72 | 0.47 | 0.00 | 16.36 | |||||||||||||
1982 | 1.40 | a | 1.96 | 1.63 | 0.28 | 1.33 | 0.06 | 1.22 | 2.17 | 2.55 | 0.00 | 2.25 | 3.26 | 18.11 | ||||||||||||
1983 | 1.77 | 1.48 | 2.98 | 1.10 | 0.15 | 0.11 | 1.95 | 3.95 | 3.81 | 3.37 | 1.51 | 1.45 | 23.63 | |||||||||||||
1984 | 0.42 | 0.30 | 0.06 | 0.65 | 0.80 | a | 2.22 | 3.48 | 2.72 | 1.23 | 2.46 | 1.09 | 5.56 | 20.99 | ||||||||||||
1985 | 1.50 | 1.43 | 1.73 | 1.68 | 0.17 | 0.40 | 2.20 | 3.15 | c | 4.23 | 3.01 | 2.01 | 0.28 | 21.79 | ||||||||||||
1986 | 0.00 | 2.65 | 1.04 | 0.11 | 0.87 | 0.36 | 4.37 | 2.84 | 0.80 | 2.48 | 2.69 | 1.64 | 19.85 | |||||||||||||
1987 | 0.54 | 1.18 | 0.57 | 0.34 | 0.96 | 0.44 | 5.29 | 4.46 | 1.25 | 1.14 | 1.99 | 1.97 | 20.13 | |||||||||||||
1988 | 0.70 | 1.03 | 0.00 | 2.52 | 0.09 | 0.54 | 2.31 | 5.89 | 2.27 | 1.72 | 0.65 | ----- | z | 17.72 | a | |||||||||||
1989 | 1.41 | 0.00 | 0.44 | 0.00 | 0.73 | 0.00 | 2.78 | 1.65 | 1.34 | 2.13 | 0.15 | 0.66 | 11.29 | |||||||||||||
1990 | 1.13 | 0.54 | 0.74 | 0.59 | 0.84 | 0.45 | 2.71 | 2.55 | 1.79 | 0.51 | 2.08 | e | 3.39 | 17.32 | ||||||||||||
1991 | 0.51 | 2.54 | 2.73 | 0.00 | 0.00 | 0.79 | 3.31 | 3.05 | 1.32 | 0.58 | 1.66 | 4.52 | 21.01 | |||||||||||||
1992 | 1.81 | 1.98 | 2.20 | 1.24 | 6.53 | 0.51 | 2.03 | 2.52 | 0.43 | 1.90 | 0.26 | 4.16 | 25.57 | |||||||||||||
1993 | 5.72 | 3.16 | 0.55 | 0.25 | 0.65 | 0.10 | 1.50 | 5.50 | 0.50 | 1.47 | 1.31 | 0.66 | 21.37 | |||||||||||||
1994 | 0.29 | 1.65 | 1.27 | 0.15 | 0.38 | 0.95 | 3.02 | a | 3.13 | 0.75 | 2.04 | 4.43 | 2.80 | 20.86 | ||||||||||||
1995 | 3.63 | 1.16 | 0.77 | 0.57 | 0.33 | 0.00 | 0.30 | 1.78 | 1.77 | 0.00 | 0.64 | 0.18 | 11.13 | |||||||||||||
1996 | 0.00 | i | 1.92 | 0.00 | 0.00 | 0.00 | 2.09 | 2.60 | f | 2.45 | 2.74 | 2.38 | 0.62 | 0.00 | 12.20 | b | ||||||||||
1997 | 1.64 | 1.06 | 0.06 | 0.62 | 1.73 | 1.32 | 1.74 | 1.76 | 2.35 | 1.15 | 1.15 | 2.46 | 17.04 | |||||||||||||
1998 | 0.43 | 2.03 | 2.24 | 0.21 | 0.00 | 0.08 | c | 6.99 | 2.54 | 0.35 | ----- | z | 0.98 | 0.67 | 16.52 | a | ||||||||||
1999 | 0.13 | 0.00 | 0.30 | b | 1.15 | 0.00 | 1.11 | i | 4.10 | 4.33 | 2.62 | 0.00 | 0.00 | 0.00 | 12.63 | a | ||||||||||
2000 | 0.08 | 0.10 | 1.53 | 0.00 | 0.00 | 1.76 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.47 | f | |||||
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2002 | ----- | z | 0.00 | 0.23 | 0.08 | 0.00 | 0.23 | 3.29 | 3.69 | 4.08 | 1.14 | a | 0.56 | 1.89 | 15.19 | a | ||||||||||
2003 | 0.12 | 2.09 | 0.81 | 0.20 | 0.42 | 0.29 | 1.58 | 2.05 | 1.43 | 1.38 | 2.05 | 0.28 | 12.70 | |||||||||||||
2004 | 2.10 | 0.96 | 1.62 | 2.35 | 0.04 | 0.10 | 1.21 | 2.32 | 2.13 | 2.02 | 1.92 | 1.55 | 18.32 | |||||||||||||
2005 | 2.89 | 4.67 | 0.72 | 0.65 | 0.00 | a | 0.10 | 2.11 | 3.34 | 2.07 | 1.55 | 0.04 | 0.18 | 18.32 | ||||||||||||
2006 | 0.30 | 0.05 | 0.67 | 0.21 | 0.17 | 0.40 | 6.77 | 7.62 | 1.76 | 2.49 | 0.10 | 0.20 | 20.74 | |||||||||||||
2007 | 1.38 | 0.86 | 2.03 | 0.27 | 0.71 | 0.20 | b | 4.85 | 4.02 | 0.96 | 0.00 | 0.29 | a | 3.47 | 19.04 | |||||||||||
2008 | 2.03 | 0.95 | 0.00 | 0.00 | 0.88 | 0.37 | 3.12 | 4.16 | 2.00 | 1.57 | 0.81 | 1.38 | 17.27 | |||||||||||||
2009 | 0.33 | 0.30 | 0.43 | 0.14 | 1.05 | 2.44 | 2.20 | 2.54 | 1.88 | 0.24 | 0.22 | 1.28 | 13.05 | |||||||||||||
2010 | 4.46 | 1.30 | 1.43 | 0.36 | 0.04 | 0.08 | 2.65 | 2.20 | 1.44 | 0.05 | 0.00 | 1.11 | 15.12 | |||||||||||||
2011 | 0.00 | 0.08 | 0.00 | 0.07 | a | 0.00 | g | 0.00 | f | 1.51 | a | 1.85 | 1.29 | 0.84 | 0.89 | b | 2.58 | 9.11 | b | |||||||
2012 | 0.38 | a | 0.12 | 0.24 | 0.00 | c | 0.00 | 0.00 | g | 2.54 | e | 1.40 | 1.19 | 0.00 | 0.45 | g | 1.02 | d | 6.89 | b | ||||||
2013 | 0.79 | 0.05 | c | 0.52 | f | 0.37 | d | 0.20 | d | 0.78 | a | 6.32 | e | 2.57 | c | 5.44 | 0.00 | a | 1.72 | a | 0.51 | c | 18.75 | a | ||
2014 | 0.00 | b | 0.08 | 0.99 | d | 0.08 | a | 0.00 | c | 0.00 | b | 2.55 | b | 1.84 | 7.35 | 1.60 | g | 0.38 | d | 1.33 | 14.60 | a | ||||
2015 | 2.55 | b | 0.05 | a | 1.02 | d | 0.65 | n | 0.13 | k | 0.56 | 2.95 | g | 2.74 | c | 3.01 | a | 3.98 | ----- | z | 1.93 | 15.84 | d | |||
2016 | 1.64 | b | 0.00 | c | 0.21 | b | 0.36 | f | 0.90 | j | 0.56 | b | 2.55 | c | 4.23 | g | 6.48 | 0.45 | i | 0.60 | 2.90 | d | 14.94 | d | ||
2017 | 0.98 | d | 1.59 | c | 0.49 | a | 0.00 | c | 0.31 | a | 0.17 | b | 6.30 | e | 2.14 | d | 0.15 | 0.30 | 0.00 | 0.08 | 12.51 | |||||
2018 | 0.34 | 2.28 | b | 0.13 | 0.00 | 0.00 | d | 0.59 | 3.30 | b | 2.00 | a | 2.14 | f | 3.86 | d | 0.00 | b | 1.38 | b | 13.88 | a | ||||
2019 | 1.02 | b | 1.25 | b | 1.67 | b | 0.26 | 0.37 | f | 0.00 | c | 1.86 | a | 3.14 | g | 1.91 | a | 0.39 | c | 3.43 | c | 2.06 | 13.85 | b | ||
2020 | 1.55 | b | 2.13 | 1.72 | a | 0.08 | a | 0.00 | d | 0.25 | k | 1.43 | 0.33 | a | 0.33 | 0.36 | c | 0.45 | d | 0.56 | f | 8.38 | b | |||
2021 | 1.32 | f | 0.00 | g | 0.96 | 0.17 | h | 0.00 | v | ----- | z | 4.94 | 2.20 | 4.32 | 0.42 | 0.00 | 1.47 | 14.31 | e | |||||||
2022 | 1.02 | 0.00 | 0.00 | ----- | z | 0.00 | 5.15 | 1.72 | 3.98 | 2.65 | 3.13 | 0.02 | 2.31 | 19.98 | a | |||||||||||
2023 | 1.92 | 1.20 | 0.84 | 0.00 | 0.73 | 0.00 | 2.01 | 3.22 | 1.79 | 0.24 | 0.47 | 1.63 | 14.05 | |||||||||||||
2024 | 0.72 | 2.18 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.90 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.23 | 1.03 | 0.94 | 0.45 | 0.50 | 0.69 | 2.77 | 2.63 | 1.93 | 1.40 | 0.89 | 1.54 | 16.57 | |||||||||||||
S.D. | 1.15 | 0.96 | 0.79 | 0.58 | 0.90 | 0.83 | 1.41 | 1.33 | 1.43 | 1.31 | 0.89 | 1.37 | 4.29 | |||||||||||||
SKEW | 1.46 | 1.24 | 0.71 | 2.15 | 4.45 | 2.54 | 1.07 | 1.04 | 1.36 | 1.15 | 1.48 | 1.43 | -0.05 | |||||||||||||
MAX | 5.72 | 4.67 | 2.98 | 2.72 | 6.53 | 5.15 | 6.99 | 7.62 | 7.35 | 6.58 | 4.43 | 7.03 | 25.57 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.28 | 0.23 | 0.00 | 0.00 | 0.00 | 0.00 | 6.90 | |||||||||||||
YRS | 78 | 80 | 79 | 76 | 75 | 76 | 75 | 76 | 78 | 76 | 80 | 75 | 49 |