YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | k | |
1943 | 0.38 | 0.19 | 0.61 | 0.00 | 0.00 | 0.09 | 0.91 | 1.60 | 2.29 | 1.46 | 0.00 | 0.40 | 7.93 | |||||||||||||
1944 | 0.24 | 1.52 | 0.42 | 0.30 | 0.96 | 0.00 | 0.80 | 2.31 | 2.52 | ----- | z | 2.24 | 1.17 | 12.48 | a | |||||||||||
1945 | 0.77 | ----- | z | 0.81 | 0.07 | 0.00 | 0.00 | 3.19 | 3.89 | 0.00 | 1.26 | 0.00 | 0.05 | a | 10.04 | a | ||||||||||
1946 | ----- | z | 0.49 | 0.53 | 0.39 | 0.00 | 0.00 | 4.15 | 3.67 | 3.25 | 0.12 | 0.46 | 0.35 | 13.41 | a | |||||||||||
1947 | 0.05 | 0.01 | 0.36 | ----- | z | 1.15 | 0.12 | ----- | z | 1.40 | ----- | z | ----- | z | ----- | z | ----- | z | 3.09 | f | ||||||
1948 | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | 0.16 | 1.03 | ----- | z | 1.37 | 0.45 | 0.00 | h | ----- | z | 3.01 | f | ||||||
1949 | ----- | z | 0.25 | 0.08 | b | ----- | z | ----- | z | ----- | z | 2.35 | 0.42 | 3.20 | 0.94 | 0.05 | 1.20 | 8.49 | d | |||||||
1950 | 0.24 | 1.40 | 0.05 | 0.00 | 0.00 | 0.85 | 3.73 | 0.51 | 0.10 | 0.00 | 0.02 | 0.00 | 6.90 | |||||||||||||
1951 | 0.93 | 0.05 | 0.10 | 1.32 | 0.00 | 0.00 | 1.52 | 3.06 | 0.27 | 2.30 | 0.80 | 0.80 | 11.15 | |||||||||||||
1952 | 0.75 | 0.13 | 1.65 | 1.01 | 0.00 | 0.20 | 2.12 | 3.38 | 0.66 | 0.00 | 1.22 | 0.72 | 11.84 | |||||||||||||
1953 | 0.01 | 0.96 | 0.34 | 1.44 | 0.00 | 0.00 | 2.05 | 0.59 | e | 0.00 | 0.01 | 0.00 | 0.05 | 5.45 | ||||||||||||
1954 | 0.55 | b | 0.40 | 1.43 | 0.00 | 0.91 | 0.15 | 3.22 | 1.69 | 0.69 | 0.26 | 0.00 | 0.17 | 9.47 | ||||||||||||
1955 | 1.68 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 4.85 | 3.59 | 0.04 | 0.09 | 0.00 | 0.12 | 10.52 | |||||||||||||
1956 | 0.83 | 0.38 | 0.00 | 0.21 | 0.00 | 0.28 | 1.61 | 0.12 | 0.17 | 0.36 | 0.05 | 0.25 | 4.26 | |||||||||||||
1957 | 1.12 | 0.41 | 0.70 | 0.09 | 0.41 | 0.01 | 2.60 | 1.45 | 0.12 | 1.60 | 0.57 | 0.79 | 9.87 | |||||||||||||
1958 | 0.01 | 1.97 | 1.92 | 0.80 | 0.00 | 0.10 | 2.48 | 1.83 | 0.53 | 1.01 | 0.81 | 0.00 | 11.46 | |||||||||||||
1959 | 0.00 | 0.75 | 0.00 | 0.05 | 0.00 | 0.44 | 2.77 | 4.51 | 0.59 | j | 1.39 | 0.26 | 1.72 | 11.89 | a | |||||||||||
1960 | 2.63 | 0.26 | 0.23 | 0.00 | 0.00 | 0.10 | 1.29 | 3.92 | 2.90 | 0.60 | 0.00 | 1.19 | 13.12 | |||||||||||||
1961 | 0.94 | 0.80 | 0.10 | 0.00 | 0.00 | 0.15 | 4.17 | 2.37 | 2.16 | 0.50 | 0.53 | 1.98 | 13.70 | |||||||||||||
1962 | 0.86 | 0.26 | 0.30 | 0.00 | 0.00 | 0.62 | 3.14 | 1.07 | 5.97 | 0.00 | 0.18 | 1.24 | a | 13.64 | ||||||||||||
1963 | 0.33 | 0.41 | 0.28 | 0.50 | 0.00 | 0.00 | 3.00 | 4.24 | 1.87 | 0.70 | 0.90 | 0.17 | 12.40 | |||||||||||||
1964 | 0.10 | 0.03 | 1.04 | 0.88 | 0.00 | 0.15 | 3.26 | 2.74 | 2.35 | 1.82 | 0.81 | ----- | z | 13.18 | a | |||||||||||
1965 | ----- | z | 0.90 | 0.13 | 0.48 | 0.00 | 0.00 | 0.61 | 2.31 | 1.45 | 0.00 | 0.27 | 4.23 | 10.38 | a | |||||||||||
1966 | 1.66 | 2.08 | 0.18 | 0.05 | 0.00 | 0.03 | 3.22 | 3.69 | 1.71 | 0.29 | 0.20 | 0.50 | 13.61 | |||||||||||||
1967 | 0.15 | 0.00 | 0.73 | 0.12 | 0.20 | 0.35 | 2.79 | 1.24 | 0.63 | 0.10 | 0.55 | 4.33 | 11.19 | |||||||||||||
1968 | 0.15 | 1.05 | 1.77 | 0.17 | 0.00 | 0.00 | 2.74 | 2.98 | 0.35 | 0.29 | 0.65 | 0.00 | 10.15 | |||||||||||||
1969 | ----- | z | 0.36 | 0.35 | 0.17 | 0.17 | 0.00 | 2.93 | 1.80 | 1.96 | 0.00 | 1.65 | 0.45 | 9.84 | a | |||||||||||
1970 | 0.00 | 0.25 | 1.91 | 0.10 | 0.00 | 0.23 | 1.65 | 1.34 | 4.61 | 0.12 | 0.03 | 0.47 | 10.71 | |||||||||||||
1971 | 0.06 | 0.15 | 0.00 | 0.45 | 0.00 | 0.00 | 2.95 | 5.91 | 3.51 | 1.59 | 0.66 | 1.95 | 17.23 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 1.16 | 2.41 | 1.47 | 0.62 | 3.47 | 1.37 | 0.16 | 10.68 | |||||||||||||
1973 | 0.01 | 1.09 | o | 1.81 | 0.00 | 0.00 | 0.53 | 1.15 | 1.06 | 0.00 | 0.00 | 0.65 | 0.00 | 5.21 | a | |||||||||||
1974 | 0.93 | 0.00 | 0.43 | 0.00 | 0.00 | 0.15 | 3.77 | 1.35 | 2.34 | 2.21 | 0.00 | 0.41 | 11.59 | |||||||||||||
1975 | 0.10 | 0.06 | 0.45 | 0.16 | 0.00 | 0.00 | 2.66 | 0.70 | 1.03 | 0.00 | 0.55 | 1.18 | 6.89 | |||||||||||||
1976 | 0.18 | 0.30 | 0.26 | 1.00 | 0.26 | 0.11 | 3.41 | 0.87 | 1.08 | 0.92 | 0.56 | 0.12 | 9.07 | |||||||||||||
1977 | 2.00 | 0.02 | 0.67 | 0.07 | 0.00 | 0.09 | 2.32 | 1.77 | 0.37 | 2.17 | 0.21 | 0.88 | 10.57 | |||||||||||||
1978 | 1.59 | 1.57 | 2.42 | 0.05 | 1.38 | 1.50 | 4.59 | 0.94 | 0.18 | 2.20 | 2.96 | 2.62 | 22.00 | |||||||||||||
1979 | 2.80 | 1.34 | 1.12 | 0.00 | 1.02 | 0.47 | 1.83 | 2.41 | 0.31 | 0.05 | 0.16 | 0.14 | 11.65 | |||||||||||||
1980 | 0.35 | 2.15 | 0.58 | 0.08 | 0.60 | 1.68 | 2.05 | 1.57 | 0.45 | 0.33 | 0.00 | 0.15 | 9.99 | |||||||||||||
1981 | 1.73 | 0.27 | 1.75 | 0.23 | 0.43 | 0.36 | 1.54 | 4.37 | 3.69 | 0.58 | 0.71 | 0.00 | 15.66 | |||||||||||||
1982 | 0.50 | e | 0.27 | a | 1.07 | n | 0.00 | 0.64 | 0.00 | a | 2.25 | 3.16 | 0.80 | 0.00 | 0.56 | 4.19 | a | 12.37 | a | |||||||
1983 | 1.33 | c | 1.03 | 1.59 | 0.06 | 0.00 | a | 0.00 | 5.32 | b | 4.34 | b | 4.51 | 5.10 | a | 0.72 | 0.84 | a | 24.84 | |||||||
1984 | 0.62 | 0.00 | a | 0.00 | c | 0.40 | c | 0.26 | 1.05 | c | 5.71 | 6.31 | 4.27 | 1.04 | 0.31 | b | 3.75 | 23.72 | ||||||||
1985 | 1.03 | 1.36 | a | 0.09 | 0.47 | 0.00 | 0.00 | a | 1.59 | 1.51 | 2.77 | 0.65 | 1.21 | 0.62 | 11.30 | |||||||||||
1986 | 1.58 | 2.17 | 0.35 | 0.00 | 0.20 | b | 0.00 | 3.82 | 3.11 | 0.10 | 0.98 | 0.34 | 0.98 | 13.63 | ||||||||||||
1987 | 0.93 | 1.28 | 0.77 | 0.39 | 0.40 | 0.01 | 0.36 | 3.05 | 1.27 | a | 0.57 | 0.35 | 1.80 | a | 11.18 | |||||||||||
1988 | 0.56 | 0.63 | 0.31 | ----- | z | 0.00 | 0.23 | 2.58 | b | 2.92 | 0.05 | 4.14 | 0.41 | 0.00 | 11.83 | a | ||||||||||
1989 | 0.93 | 0.00 | a | 0.83 | a | 0.00 | 0.05 | 0.06 | 1.89 | 3.01 | a | 1.20 | 0.68 | 0.07 | 0.48 | 9.20 | ||||||||||
1990 | 1.12 | 0.32 | 0.54 | 0.46 | 0.35 | 0.18 | 8.85 | 0.83 | a | 2.06 | 0.45 | 0.00 | 1.23 | 16.39 | ||||||||||||
1991 | 1.18 | 0.60 | 0.79 | 0.00 | f | 0.00 | 0.00 | 1.29 | 1.98 | 0.93 | 0.40 | 0.90 | 1.82 | 9.89 | a | |||||||||||
1992 | 1.09 | b | 1.37 | 1.72 | 0.22 | 0.25 | c | 0.75 | 1.44 | 4.98 | 0.10 | 0.00 | 0.03 | 3.01 | 14.96 | |||||||||||
1993 | 2.10 | 2.52 | c | 0.58 | 0.00 | 0.86 | 0.00 | b | 0.33 | 11.27 | a | 0.55 | 0.82 | 1.06 | 0.00 | 20.09 | ||||||||||
1994 | 0.20 | 0.22 | 0.60 | 0.02 | 0.32 | 0.41 | 0.78 | b | 0.76 | 1.22 | 0.71 | 0.32 | 4.22 | 9.78 | ||||||||||||
1995 | 1.00 | 0.66 | ----- | z | 0.27 | 0.00 | 0.00 | 0.47 | 1.74 | 0.08 | 0.50 | 1.16 | 0.11 | 5.99 | a | |||||||||||
1996 | 0.00 | a | 1.46 | c | 0.00 | 0.00 | 0.00 | 0.00 | 2.06 | 3.22 | 2.40 | 0.56 | 0.19 | 0.00 | 9.89 | |||||||||||
1997 | 0.96 | 0.46 | 0.15 | 0.40 | 0.24 | 0.00 | 0.64 | 2.16 | 1.47 | 0.64 | 0.20 | 1.15 | 8.47 | |||||||||||||
1998 | 0.12 | 3.15 | 2.00 | 0.31 | 0.00 | 0.00 | 4.03 | 3.02 | 1.30 | 0.00 | 0.17 | 0.27 | 14.37 | |||||||||||||
1999 | 0.00 | 0.00 | 0.03 | b | 1.07 | 0.00 | 0.10 | 2.91 | a | 3.45 | c | 2.42 | h | 0.00 | 0.00 | 0.00 | 7.56 | a | ||||||||
2000 | 0.00 | 0.06 | 1.30 | 0.00 | 0.00 | 1.68 | 1.27 | 2.68 | 0.54 | 2.83 | 0.77 | 0.00 | 11.13 | |||||||||||||
2001 | 1.65 | 0.25 | 0.23 | 0.97 | 0.04 | a | 0.49 | 1.38 | 3.92 | 0.33 | 0.69 | 0.00 | 0.46 | 10.41 | ||||||||||||
2002 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.74 | 1.65 | 0.60 | a | 0.07 | 1.16 | 1.16 | c | 7.58 | |||||||||||
2003 | 0.09 | 1.25 | 0.47 | 0.12 | 0.70 | 0.75 | 4.29 | 1.70 | 1.85 | 0.60 | 0.86 | 0.13 | 12.81 | |||||||||||||
2004 | 0.63 | 0.85 | 1.37 | 1.07 | 0.00 | 0.00 | 2.39 | 1.52 | 0.66 | 0.49 | 0.66 | 0.64 | 10.28 | |||||||||||||
2005 | 1.88 | 0.96 | 0.77 | 0.44 | 1.00 | 0.02 | 1.17 | a | ----- | z | 0.07 | 0.64 | 0.00 | 0.00 | 6.95 | a | ||||||||||
2006 | 0.00 | 0.00 | 0.57 | 0.00 | 0.00 | 0.58 | 4.29 | 1.08 | 2.21 | 0.15 | 0.00 | 0.33 | 9.21 | |||||||||||||
2007 | 0.08 | 0.00 | 0.00 | ----- | z | 0.00 | 0.00 | 1.85 | ----- | z | 0.60 | 0.00 | 2.30 | 2.68 | a | 7.51 | b | |||||||||
2008 | 0.28 | ----- | z | 0.00 | ----- | z | 0.00 | 0.10 | 4.26 | a | 1.94 | 1.54 | 0.00 | 0.07 | 0.87 | 9.06 | b | |||||||||
2009 | 0.73 | ----- | z | 0.00 | 0.09 | 0.77 | 0.00 | 2.86 | 0.80 | c | 0.00 | 0.03 | e | 0.05 | d | 0.00 | 5.33 | a | ||||||||
2010 | 2.38 | b | 1.53 | a | 0.18 | a | 0.30 | 0.00 | 0.00 | 4.10 | 1.00 | 0.13 | 0.90 | 0.00 | 0.35 | c | 10.87 | |||||||||
2011 | 0.00 | 0.31 | 0.20 | c | 0.33 | 0.00 | a | 0.00 | 2.48 | b | 3.64 | d | 1.39 | c | 0.05 | b | 0.98 | a | 1.60 | a | 10.98 | |||||
2012 | 0.15 | 0.23 | a | 0.13 | 0.05 | 0.00 | 0.72 | e | 3.14 | 2.29 | a | 3.42 | a | 0.00 | 0.06 | 1.13 | a | 11.32 | ||||||||
2013 | 0.45 | b | 0.78 | a | 0.03 | 0.00 | 0.00 | 0.00 | 2.34 | b | 2.34 | b | 1.55 | b | 0.00 | a | 2.25 | a | 0.82 | a | 10.56 | |||||
2014 | 0.00 | b | 0.00 | 0.62 | 0.12 | b | 0.00 | a | 0.00 | 2.46 | b | 3.07 | d | 1.08 | d | 0.94 | f | 0.15 | b | 1.21 | d | 8.71 | a | |||
2015 | 2.37 | b | 0.06 | 0.83 | b | 0.05 | 0.11 | b | 0.62 | b | 1.50 | b | 3.46 | 2.39 | 2.04 | a | 0.12 | 0.59 | b | 14.14 | ||||||
2016 | 0.85 | 0.16 | b | 0.00 | 0.47 | 0.00 | 0.07 | a | 3.13 | b | 0.66 | c | 2.27 | d | 0.00 | b | 0.38 | a | 0.90 | d | 8.89 | |||||
2017 | 0.56 | d | 0.05 | b | 0.00 | c | 0.05 | c | 0.00 | g | 0.00 | c | 5.34 | 0.45 | b | 0.00 | a | 0.00 | 0.10 | a | 0.00 | b | 6.55 | a | ||
2018 | 0.00 | a | 1.65 | c | 0.01 | a | 0.00 | c | 0.00 | c | 0.00 | b | 2.64 | a | 1.12 | b | 1.15 | a | 2.41 | a | 0.00 | b | 1.95 | u | 8.98 | a |
2019 | 0.55 | r | 1.75 | g | 0.66 | b | 0.02 | c | 0.30 | b | 0.09 | 1.13 | d | 3.51 | b | 2.94 | b | 0.00 | 2.69 | a | 1.99 | 13.33 | b | |||
2020 | 0.45 | 0.48 | 0.70 | 0.25 | a | 0.24 | a | 0.00 | a | 1.51 | 0.65 | a | 0.00 | a | 0.00 | a | 0.13 | a | 0.28 | a | 4.69 | |||||
2021 | 1.36 | 0.00 | 0.41 | 0.60 | b | 0.00 | a | 0.37 | a | 5.09 | c | 3.38 | a | 0.72 | 0.18 | 0.00 | 1.49 | 13.60 | ||||||||
2022 | 0.06 | 0.14 | 0.12 | 0.00 | c | 0.00 | 0.41 | 3.12 | 3.68 | 1.34 | 0.18 | a | 0.00 | 0.90 | 9.95 | |||||||||||
2023 | 0.82 | 0.46 | 0.45 | 0.00 | 0.18 | 0.00 | 0.77 | 2.08 | 0.12 | 0.45 | 0.05 | 1.08 | 6.46 | |||||||||||||
2024 | 1.16 | 1.32 | 1.25 | b | 0.15 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.88 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.73 | 0.65 | 0.58 | 0.25 | 0.18 | 0.23 | 2.61 | 2.46 | 1.37 | 0.75 | 0.52 | 0.94 | 11.64 | |||||||||||||
S.D. | 0.72 | 0.71 | 0.61 | 0.35 | 0.33 | 0.38 | 1.46 | 1.67 | 1.31 | 1.00 | 0.66 | 1.10 | 4.08 | |||||||||||||
SKEW | 0.99 | 1.30 | 1.16 | 1.69 | 1.93 | 2.22 | 1.15 | 2.07 | 1.16 | 2.12 | 1.87 | 1.70 | 1.24 | |||||||||||||
MAX | 2.80 | 3.15 | 2.42 | 1.44 | 1.38 | 1.68 | 8.85 | 11.27 | 5.97 | 5.10 | 2.96 | 4.33 | 24.84 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 4.26 | |||||||||||||
YRS | 76 | 76 | 79 | 76 | 79 | 80 | 80 | 78 | 78 | 78 | 79 | 78 | 57 |