YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1934 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.02 | 0.21 | 1.35 | 0.00 | 0.15 | 0.67 | 1.40 | 3.94 | |||||||||||||
1935 | 1.08 | 2.12 | 0.68 | 0.00 | 0.11 | 0.00 | 0.12 | 1.37 | 0.32 | 0.00 | 0.27 | 0.47 | 6.54 | |||||||||||||
1936 | 0.14 | 0.43 | 0.03 | 0.00 | 0.00 | 0.00 | 0.37 | 0.96 | 0.20 | 0.51 | 0.24 | 2.08 | 4.96 | |||||||||||||
1937 | 0.61 | 0.37 | 1.89 | 0.06 | 0.00 | 0.89 | 0.79 | 0.02 | 0.38 | 0.00 | 0.00 | 0.64 | 5.65 | |||||||||||||
1938 | 0.09 | 1.37 | 1.83 | 0.00 | 0.09 | 0.09 | 0.76 | 1.26 | 0.28 | 0.00 | ----- | z | 2.28 | 8.05 | a | |||||||||||
1939 | 0.71 | 0.60 | 0.35 | 0.13 | 0.00 | 0.00 | 0.50 | 0.19 | 7.85 | 0.00 | 0.22 | 0.16 | 10.71 | |||||||||||||
1940 | 0.30 | 1.80 | ----- | z | 0.79 | 0.00 | 0.00 | 0.00 | ----- | z | 1.14 | 0.24 | 0.62 | 3.13 | 8.02 | b | ||||||||||
1941 | 0.89 | 1.25 | 3.68 | 1.94 | 0.11 | 0.00 | 0.33 | 0.19 | 0.09 | 0.83 | 0.29 | 0.53 | 10.13 | |||||||||||||
1942 | 0.20 | 0.00 | 0.20 | 0.39 | 0.00 | 0.00 | 0.46 | 0.00 | 0.00 | 0.22 | 0.00 | 0.15 | 1.62 | |||||||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | 0.88 | b | 0.08 | 1.30 | 0.34 | 0.00 | 0.68 | 3.28 | f | |||||
1949 | 2.21 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.25 | 0.26 | 0.12 | 0.72 | 3.65 | |||||||||||||
1950 | 0.03 | 0.14 | 0.22 | 0.00 | 0.00 | 0.00 | 0.54 | 0.18 | 0.52 | 0.00 | 0.00 | 0.00 | 1.63 | |||||||||||||
1951 | 1.02 | 0.04 | 0.00 | 0.27 | 0.75 | 0.00 | 0.52 | 4.68 | 0.06 | 0.85 | 0.48 | 0.63 | 9.30 | |||||||||||||
1952 | 0.47 | 0.00 | 1.45 | 1.34 | 0.00 | 0.16 | 0.06 | 0.04 | 0.07 | 0.00 | 1.20 | 0.93 | a | 5.72 | ||||||||||||
1953 | 0.06 | a | 0.30 | 0.08 | 0.02 | 0.00 | 0.00 | 1.02 | 0.65 | 0.00 | 0.00 | 0.05 | 0.00 | 2.18 | ||||||||||||
1954 | 1.68 | 0.04 | 2.01 | 0.00 | 0.00 | 0.00 | 0.33 | 0.08 | 0.02 | 0.08 | 0.02 | 0.05 | 4.31 | |||||||||||||
1955 | 1.54 | 0.03 | 0.00 | 0.41 | 0.00 | 0.00 | 0.21 | 1.06 | 0.00 | 0.00 | 0.04 | 0.09 | 3.38 | |||||||||||||
1956 | 0.00 | 0.10 | 0.00 | 0.01 | 0.00 | 0.00 | 0.03 | 0.00 | 0.05 | 0.03 | 0.00 | 0.00 | 0.22 | |||||||||||||
1957 | 0.88 | 0.25 | 0.03 | 0.19 | 0.00 | 0.14 | 0.80 | 0.66 | 0.02 | 1.76 | 0.17 | 0.30 | 5.20 | |||||||||||||
1958 | 0.13 | 1.45 | 1.06 | 0.61 | 0.21 | b | 0.00 | b | 0.12 | 0.24 | 0.23 | 0.95 | 0.53 | 0.00 | 5.53 | |||||||||||
1959 | 0.22 | 0.61 | 0.00 | 0.00 | d | 0.00 | 0.00 | 0.14 | 1.01 | 0.00 | c | 0.19 | 0.24 | 2.64 | 5.05 | |||||||||||
1960 | 0.76 | 0.45 | b | 0.03 | 0.00 | 0.00 | i | 0.00 | 0.43 | 0.00 | 1.40 | 0.00 | 0.58 | 0.00 | 3.65 | a | ||||||||||
1961 | 0.29 | 0.00 | 0.28 | 0.01 | 0.00 | 0.00 | 0.28 | 1.28 | 0.51 | 0.00 | 0.02 | 0.48 | 3.15 | |||||||||||||
1962 | 0.66 | 0.64 | 0.00 | 0.00 | 0.02 | 0.12 | 0.02 | 0.00 | 1.00 | 0.12 | 0.02 | 1.12 | 3.72 | |||||||||||||
1963 | 0.07 | 0.63 | 0.41 | 0.09 | 0.00 | 0.00 | 0.00 | 0.58 | 1.00 | 1.16 | 0.80 | 0.00 | 4.74 | |||||||||||||
1964 | 0.04 | 0.00 | 0.29 | 0.13 | 0.00 | 0.00 | 0.12 | 0.20 | 0.00 | 0.00 | 0.80 | 0.12 | 1.70 | |||||||||||||
1965 | 0.32 | 1.29 | 0.46 | 1.75 | 0.09 | 0.00 | 0.16 | 0.15 | 0.24 | 0.00 | 2.08 | 2.79 | 9.33 | |||||||||||||
1966 | 0.34 | 0.83 | 0.16 | 0.00 | 0.00 | 0.00 | 0.27 | 0.02 | 0.28 | 0.40 | 0.99 | 0.20 | 3.49 | |||||||||||||
1967 | 0.47 | 0.00 | 0.24 | 0.25 | 0.00 | 0.00 | 0.04 | 0.77 | 0.71 | 0.05 | 0.51 | 1.74 | 4.78 | |||||||||||||
1968 | 0.02 | 0.35 | 0.34 | 0.03 | 0.00 | 0.00 | 0.46 | 0.09 | 0.00 | 0.63 | 0.07 | 0.16 | 2.15 | |||||||||||||
1969 | 1.36 | 0.26 | 0.20 | 0.00 | 0.13 | 0.00 | 0.50 | 0.04 | 0.81 | 0.36 | 0.82 | 0.00 | 4.48 | |||||||||||||
1970 | 0.10 | 0.26 | 2.15 | 0.06 | 0.00 | 0.00 | 0.03 | 0.22 | 0.14 | 0.05 | 0.20 | 0.19 | 3.40 | |||||||||||||
1971 | 0.00 | 0.12 | 0.00 | 0.00 | 0.43 | 0.00 | 0.00 | 1.28 | 0.44 | 0.20 | 0.03 | 0.29 | 2.79 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.30 | 0.00 | 1.18 | 1.05 | 1.92 | 1.55 | 0.34 | 7.34 | |||||||||||||
1973 | 0.32 | 1.06 | 2.15 | 0.00 | 0.13 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.71 | 0.00 | 4.47 | |||||||||||||
1974 | 1.35 | 0.00 | 0.57 | 0.00 | 0.00 | 0.00 | 0.05 | 0.04 | 0.00 | 0.35 | 0.08 | 1.16 | 3.60 | |||||||||||||
1975 | 0.03 | 0.03 | 0.59 | 0.24 | 0.00 | 0.00 | 0.00 | 0.00 | 1.07 | 0.14 | 0.22 | 0.08 | 2.40 | |||||||||||||
1976 | 0.00 | 2.00 | 0.09 | 0.85 | 0.24 | 0.00 | 0.33 | 0.00 | 2.02 | 0.12 | 0.11 | 0.07 | 5.83 | |||||||||||||
1977 | 0.63 | 0.00 | 0.07 | 0.12 | 0.13 | 0.04 | 0.01 | 2.81 | 0.00 | 0.81 | 0.03 | 0.19 | 4.84 | |||||||||||||
1978 | 3.48 | 3.18 | 0.64 | 0.53 | 0.09 | 0.00 | 0.05 | 0.01 | 0.00 | 3.26 | 1.08 | 1.35 | 13.67 | |||||||||||||
1979 | 1.59 | 0.15 | 1.52 | 0.00 | 0.19 | 0.00 | 1.31 | 0.77 | 0.00 | 0.11 | 0.00 | 0.10 | 5.74 | |||||||||||||
1980 | 5.54 | 2.17 | a | 1.19 | 0.04 | 0.21 | 0.02 | 1.94 | 0.00 | 0.22 | 0.25 | 0.00 | 0.05 | 11.63 | ||||||||||||
1981 | 0.05 | 0.40 | 1.15 | 0.04 | 0.34 | 0.00 | 0.69 | 0.41 | 0.96 | 1.51 | 0.69 | 0.00 | 6.24 | |||||||||||||
1982 | 0.42 | a | 2.32 | g | 1.49 | 0.00 | ----- | z | 0.00 | 0.52 | 1.58 | 0.00 | 0.00 | 0.60 | 1.66 | y | 4.61 | c | ||||||||
1983 | 0.39 | 0.58 | 1.90 | 0.00 | 0.00 | 0.00 | 0.06 | 3.41 | 2.16 | 0.72 | 0.11 | 0.63 | 9.96 | |||||||||||||
1984 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.98 | 0.77 | 0.49 | 0.00 | 0.54 | 4.20 | 6.98 | |||||||||||||
1985 | 1.10 | 0.71 | 0.28 | 0.23 | 0.00 | 0.00 | 0.10 | 0.00 | 0.95 | 0.74 | 1.98 | 0.00 | 6.09 | |||||||||||||
1986 | 0.35 | 0.99 | 0.59 | 0.08 | 0.00 | 0.00 | 1.10 | 1.19 | 1.40 | 0.26 | 0.93 | 0.91 | 7.80 | |||||||||||||
1987 | 0.16 | 0.08 | 0.11 | 0.14 | 0.01 | 0.00 | 0.00 | 0.03 | 0.70 | 0.67 | 0.81 | 0.60 | 3.31 | |||||||||||||
1988 | 1.15 | 1.13 | 0.03 | 1.44 | 0.00 | 0.00 | 0.25 | 1.46 | 0.00 | 0.00 | 0.15 | 0.08 | 5.69 | |||||||||||||
1989 | 1.52 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.14 | 0.06 | 0.05 | 0.06 | 0.00 | 0.09 | 1.93 | |||||||||||||
1990 | 1.37 | 0.30 | 0.35 | 0.43 | 0.20 | 0.02 | 0.77 | 0.44 | 0.31 | 0.00 | 0.11 | 0.00 | 4.30 | |||||||||||||
1991 | 0.61 | 0.55 | 3.23 | 0.00 | 0.02 | 0.05 | 0.00 | 0.10 | 1.15 | 0.22 | 0.18 | 0.69 | 6.80 | |||||||||||||
1992 | 0.87 | 2.90 | 3.82 | 0.34 | 0.52 | 0.00 | 0.70 | 1.87 | 0.00 | 0.67 | 0.00 | 1.76 | 13.45 | |||||||||||||
1993 | 4.64 | 2.61 | 0.97 | 0.00 | 0.00 | 0.00 | 0.00 | 0.74 | 0.00 | 0.24 | 0.51 | 0.06 | 9.77 | |||||||||||||
1994 | 0.08 | 0.37 | 1.79 | 0.14 | 0.31 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.45 | 1.59 | 4.83 | |||||||||||||
1995 | 3.58 | 1.25 | 0.85 | 0.44 | 0.00 | 0.00 | 0.00 | 0.73 | 0.00 | 0.00 | 0.01 | 0.08 | 6.94 | |||||||||||||
1996 | 0.05 | 0.46 | 0.32 | 0.00 | 0.13 | 0.00 | 0.03 | 0.18 | 0.04 | 0.05 | 0.42 | 0.22 | 1.90 | |||||||||||||
1997 | 1.85 | 0.28 | 0.00 | 0.20 | 0.00 | 0.00 | 0.07 | 0.33 | 2.48 | 0.03 | 0.07 | 1.28 | 6.59 | |||||||||||||
1998 | 0.50 | 3.69 | 1.42 | 0.35 | 0.03 | 0.00 | 1.85 | 0.18 | 1.05 | ----- | z | 0.49 | 0.15 | 9.71 | a | |||||||||||
1999 | ----- | z | ----- | z | 0.00 | 0.68 | 0.00 | 0.12 | 1.27 | 0.04 | 0.08 | 0.00 | 0.00 | 0.00 | 2.19 | b | ||||||||||
2000 | 0.00 | 0.74 | 0.57 | 0.00 | 0.00 | 0.00 | ----- | z | 0.31 | 0.00 | 0.34 | 0.00 | 0.00 | 1.96 | a | |||||||||||
2001 | 1.42 | 0.83 | 1.35 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.13 | 0.03 | 0.06 | 4.93 | |||||||||||||
2002 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | ----- | z | 0.08 | 0.00 | 1.52 | 0.17 | ----- | z | 0.32 | 2.17 | b | ||||||||||
2003 | 0.33 | 2.38 | 0.97 | 0.00 | 0.00 | 0.00 | 0.14 | 0.42 | 0.57 | 0.00 | 0.28 | 1.16 | 6.25 | |||||||||||||
2004 | 0.10 | 1.14 | 0.00 | 0.80 | 0.00 | 0.00 | 0.04 | 0.14 | 1.60 | 3.68 | 2.54 | 0.83 | 10.87 | |||||||||||||
2005 | 3.76 | 4.45 | 0.33 | 0.17 | 0.00 | 0.00 | 0.59 | 1.89 | 0.00 | 1.27 | 0.10 | 0.00 | 12.56 | |||||||||||||
2006 | 0.00 | 0.12 | 0.66 | 0.00 | 0.00 | 0.00 | 0.21 | 0.80 | 1.67 | 0.52 | 0.00 | 0.00 | 3.98 | |||||||||||||
2007 | 0.12 | 0.00 | 0.54 | 0.00 | ----- | z | 0.00 | 0.84 | ----- | z | ----- | z | 0.00 | 0.15 | 0.00 | 1.65 | c | |||||||||
2008 | 1.51 | 0.22 | 0.00 | ----- | z | ----- | z | 0.00 | 0.65 | 1.07 | 0.22 | 0.00 | 0.20 | 1.41 | 5.28 | b | ||||||||||
2009 | 0.02 | 2.35 | a | 0.00 | 0.00 | 0.00 | 0.06 | 0.50 | 0.43 | 0.01 | 0.00 | 0.00 | 1.35 | 4.72 | ||||||||||||
2010 | 2.95 | 0.58 | 0.82 | 0.00 | 0.00 | 0.02 | 0.00 | 0.18 | 0.00 | 0.49 | 0.00 | 1.64 | 6.68 | |||||||||||||
2011 | 0.02 | 1.57 | 0.22 | 0.16 | 0.00 | 0.00 | 0.75 | 0.00 | 0.75 | 0.33 | 0.72 | a | 0.69 | e | 5.21 | |||||||||||
2012 | 0.00 | 0.02 | 0.07 | 0.30 | 0.00 | 0.00 | 0.88 | 0.67 | 0.03 | 0.18 | 0.00 | e | 1.72 | c | 3.87 | |||||||||||
2013 | 0.95 | c | 0.24 | 0.25 | e | 0.00 | 0.00 | 0.00 | j | 0.46 | 1.01 | b | 1.14 | 0.00 | a | 0.81 | 0.03 | 4.89 | a | |||||||
2014 | 0.00 | 0.00 | 0.62 | b | 0.03 | a | 0.03 | 0.00 | g | 0.82 | 2.01 | 1.25 | 0.16 | 0.00 | j | 1.63 | 6.55 | b | ||||||||
2015 | 1.11 | 0.17 | 1.04 | 0.13 | a | 0.05 | 0.08 | 0.73 | j | 0.17 | 0.00 | 0.36 | a | 0.19 | f | 0.25 | a | 3.36 | b | |||||||
2016 | 1.30 | 0.24 | 0.05 | b | 0.19 | p | 0.00 | 0.00 | 0.37 | 0.30 | a | 0.12 | f | 0.00 | 0.14 | a | 0.05 | n | 2.40 | c | ||||||
2017 | 1.95 | 1.55 | c | 0.02 | a | 0.00 | m | 0.38 | h | 0.00 | c | 0.01 | 0.06 | e | 0.29 | e | 0.00 | 0.00 | 0.00 | k | 3.88 | c | ||||
2018 | 0.57 | a | 0.08 | 0.10 | d | 0.00 | c | 0.00 | f | 0.00 | 0.76 | e | 0.00 | v | 0.00 | d | 1.36 | b | 0.00 | c | 0.55 | o | 2.87 | c | ||
2019 | 2.71 | 2.62 | b | 0.99 | c | 0.06 | f | 0.23 | a | 0.00 | a | 0.00 | b | 0.00 | d | 1.72 | 0.00 | a | 0.76 | j | 0.14 | n | 8.27 | c | ||
2020 | 0.07 | b | 0.51 | 2.58 | 0.21 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 3.48 | ||||||||||||
2021 | 1.18 | 0.10 | q | 0.00 | d | 0.00 | 0.00 | 0.01 | 2.00 | 0.01 | 0.03 | 0.28 | 0.00 | 0.80 | 4.31 | a | ||||||||||
2022 | 0.02 | 0.02 | 0.14 | 0.00 | 0.00 | 0.00 | 1.05 | 2.07 | 0.70 | 0.36 | 0.16 | 0.92 | 5.44 | |||||||||||||
2023 | 1.04 | 0.33 | 0.85 | 0.00 | 0.00 | 0.00 | 0.00 | 0.98 | 0.67 | 0.02 | 0.13 | 0.20 | 4.22 | |||||||||||||
2024 | 1.18 | 1.06 | c | 1.01 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.25 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.84 | 0.76 | 0.67 | 0.21 | 0.06 | 0.04 | 0.40 | 0.61 | 0.57 | 0.38 | 0.36 | 0.66 | 5.57 | |||||||||||||
S.D. | 1.10 | 0.95 | 0.85 | 0.39 | 0.13 | 0.18 | 0.46 | 0.83 | 1.01 | 0.65 | 0.50 | 0.84 | 2.97 | |||||||||||||
SKEW | 2.11 | 1.73 | 1.77 | 2.76 | 3.00 | 6.13 | 1.53 | 2.35 | 4.78 | 3.04 | 2.18 | 1.79 | 0.93 | |||||||||||||
MAX | 5.54 | 4.45 | 3.82 | 1.94 | 0.75 | 1.30 | 2.00 | 4.68 | 7.85 | 3.68 | 2.54 | 4.20 | 13.67 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | |||||||||||||
YRS | 84 | 82 | 84 | 80 | 78 | 81 | 83 | 82 | 83 | 84 | 80 | 80 | 66 |