YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.50 | 1.21 | 1.04 | 2.76 | 2.72 | 0.36 | 0.21 | 9.80 | e | |||||||
1942 | 0.00 | 0.43 | 0.21 | 2.54 | 0.11 | 0.76 | 0.49 | 3.25 | 3.28 | 0.79 | 0.00 | 1.15 | 13.01 | |||||||||||||
1943 | 0.40 | 0.25 | 0.79 | 0.13 | 1.27 | 1.64 | 1.49 | 1.71 | 0.30 | 0.54 | 0.29 | 0.87 | 9.68 | |||||||||||||
1944 | 0.10 | 0.11 | 0.31 | 0.58 | 0.38 | 0.28 | 2.56 | 2.16 | 1.40 | 2.20 | 0.41 | 0.62 | 11.11 | |||||||||||||
1945 | 0.33 | 0.07 | 0.52 | 0.64 | 0.21 | 0.17 | 1.14 | 1.73 | 1.88 | 1.19 | 0.03 | 0.39 | 8.30 | |||||||||||||
1946 | 0.18 | 0.21 | 1.81 | 0.36 | 0.33 | 0.09 | 1.63 | 4.28 | 0.17 | 0.91 | 0.86 | 0.11 | 10.94 | |||||||||||||
1947 | 0.34 | 0.45 | 0.24 | 0.57 | 1.73 | 0.00 | 0.45 | 2.97 | 0.44 | 0.55 | 0.35 | 0.66 | 8.75 | |||||||||||||
1948 | 0.07 | 1.38 | 0.67 | 0.54 | 0.79 | 1.55 | 1.45 | 3.20 | 0.56 | 1.50 | 0.00 | 0.24 | 11.95 | |||||||||||||
1949 | 0.87 | 0.39 | 0.47 | 0.45 | 0.98 | 3.03 | 4.61 | 1.17 | 1.95 | 0.10 | 0.01 | 0.76 | 14.79 | |||||||||||||
1950 | 0.72 | 0.59 | 0.00 | 0.32 | 0.05 | 1.00 | 3.92 | 0.76 | 1.23 | 0.03 | 0.05 | 0.00 | 8.67 | |||||||||||||
1951 | 0.18 | 0.34 | 0.37 | 0.54 | 1.29 | 0.23 | 0.83 | 4.39 | 0.21 | 0.41 | 0.22 | 0.32 | 9.33 | |||||||||||||
1952 | 0.46 | 0.08 | 0.74 | 0.85 | 1.26 | 0.22 | 1.39 | 2.20 | 0.95 | 0.00 | 0.33 | 0.43 | 8.91 | |||||||||||||
1953 | 0.23 | 0.35 | 0.52 | 0.14 | 0.53 | 0.31 | 2.22 | 0.28 | 0.52 | 0.64 | 0.88 | 0.36 | 6.98 | |||||||||||||
1954 | 0.27 | 0.09 | 0.94 | 0.02 | 1.47 | 0.30 | 3.42 | 1.47 | 0.58 | 0.43 | 0.05 | 0.21 | 9.25 | |||||||||||||
1955 | 1.22 | 0.34 | 0.11 | 0.58 | 0.60 | 0.03 | 0.98 | 2.09 | 0.47 | 0.02 | 0.02 | 0.61 | 7.07 | |||||||||||||
1956 | 0.42 | 0.27 | 0.00 | 0.00 | 0.46 | 0.24 | 0.91 | 0.47 | 0.00 | 0.21 | 0.09 | 0.05 | 3.12 | |||||||||||||
1957 | 0.88 | 0.86 | 1.02 | 0.38 | 0.85 | 0.00 | 1.88 | 2.31 | 0.13 | 2.73 | 1.00 | 0.11 | 12.15 | |||||||||||||
1958 | 0.42 | 0.38 | 0.93 | 0.57 | 0.05 | 1.02 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.35 | g | |||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1998 | ----- | z | ----- | z | ----- | z | 0.60 | 0.01 | 0.29 | 4.75 | 2.30 | 0.76 | 3.36 | 0.60 | 0.01 | 12.68 | c | |||||||||
1999 | 0.12 | a | 0.01 | 1.50 | 1.09 | 0.86 | 1.32 | 2.48 | 2.37 | 0.48 | 0.30 | 0.00 | 0.06 | 10.59 | ||||||||||||
2000 | 0.34 | a | 0.02 | 0.55 | a | 0.48 | 0.06 | 1.22 | 1.72 | 2.10 | 0.09 | 3.06 | 1.73 | 0.60 | 11.97 | |||||||||||
2001 | 0.65 | 0.29 | 0.41 | 0.34 | a | 0.86 | 0.04 | a | 0.83 | 4.12 | 0.83 | 0.09 | 0.13 | 0.32 | 8.91 | |||||||||||
2002 | 0.40 | 0.01 | 0.02 | 0.36 | 0.05 | 0.29 | 1.35 | 0.65 | 1.68 | 1.26 | 0.53 | 0.57 | 7.17 | |||||||||||||
2003 | 0.00 | 0.98 | 0.76 | 0.22 | 0.76 | 0.19 | 0.10 | 1.35 | 0.84 | 0.98 | 0.59 | 0.18 | 6.95 | |||||||||||||
2004 | 0.32 | 0.33 | 0.46 | 1.75 | 0.00 | 1.14 | 0.59 | 0.71 | 1.10 | 2.15 | 0.08 | 0.28 | c | 8.91 | ||||||||||||
2005 | 1.09 | 0.53 | a | 1.64 | 1.19 | 0.43 | 0.40 | 0.69 | 1.24 | 2.07 | 1.24 | 0.09 | 0.04 | 10.65 | ||||||||||||
2006 | 0.04 | 0.00 | 0.26 | 0.23 | 0.19 | 0.46 | 3.84 | 3.76 | 2.53 | 1.34 | 0.19 | 1.30 | 14.14 | |||||||||||||
2007 | 0.48 | 0.30 | 0.82 | 0.71 | 1.09 | 1.30 | 0.72 | 1.12 | 1.83 | 0.42 | 0.35 | 1.32 | 10.46 | |||||||||||||
2008 | 0.97 | 0.75 | 0.34 | 0.21 | 0.95 | 0.18 | 1.37 | 1.78 | 0.46 | 2.05 | 0.33 | 1.06 | 10.45 | |||||||||||||
2009 | 0.02 | 0.03 | 0.46 | 0.50 | 0.82 | 1.22 | 1.87 | 1.13 | 1.52 | 1.40 | 0.28 | 0.21 | 9.46 | |||||||||||||
2010 | 0.76 | 0.93 | 1.51 | 0.22 | 0.46 | 0.35 | 4.68 | 0.38 | 1.27 | 0.99 | 0.10 | 0.79 | 12.44 | |||||||||||||
2011 | 0.02 | 0.00 | 0.07 | 0.34 | 0.05 | 0.03 | 2.19 | 1.22 | 1.13 | 1.89 | 0.34 | 1.10 | 8.38 | |||||||||||||
2012 | 0.52 | 0.13 | a | 0.19 | 0.50 | 0.10 | 0.00 | 1.04 | 2.12 | 1.17 | 0.10 | 0.06 | 0.74 | 6.67 | ||||||||||||
2013 | 0.18 | 0.07 | 0.14 | 0.01 | 0.28 | 0.48 | 2.10 | 1.53 | 4.32 | 0.87 | 2.11 | 0.07 | 12.16 | |||||||||||||
2014 | 0.00 | 0.11 | 0.56 | 0.16 | 1.06 | 0.22 | 3.61 | 2.23 | 0.06 | 0.53 | a | 0.35 | 0.83 | 9.72 | ||||||||||||
2015 | 0.61 | 0.18 | 0.45 | a | 0.51 | 0.28 | b | 0.00 | 2.76 | 0.57 | a | 0.51 | 2.62 | 0.86 | 0.30 | 9.65 | ||||||||||
2016 | 0.12 | 0.18 | 0.00 | 0.79 | 0.31 | 0.39 | 0.34 | 3.18 | 0.94 | 0.24 | 0.93 | 0.50 | 7.92 | |||||||||||||
2017 | 1.18 | 0.15 | 0.39 | 1.21 | 0.74 | 0.18 | 2.61 | 1.41 | 3.39 | 0.87 | a | 0.24 | a | 0.00 | 12.37 | |||||||||||
2018 | 0.00 | 0.42 | 0.31 | 0.00 | 0.27 | 0.25 | 1.84 | 1.76 | 0.86 | 3.02 | 0.14 | 0.48 | 9.35 | |||||||||||||
2019 | 0.64 | 0.51 | 1.16 | 0.64 | 0.40 | 0.35 | 2.27 | 2.48 | 1.05 | 0.60 | c | 2.12 | 0.41 | 12.63 | ||||||||||||
2020 | 0.66 | 0.65 | 1.03 | 0.13 | 0.20 | 0.17 | 1.75 | 0.01 | 0.84 | 0.41 | 0.23 | 0.24 | 6.32 | |||||||||||||
2021 | 0.10 | 0.22 | 0.12 | 0.17 | 0.99 | 1.12 | 2.81 | 0.88 | 0.92 | 0.37 | 0.18 | 1.02 | 8.90 | |||||||||||||
2022 | 0.30 | 0.27 | 0.39 | 0.01 | 0.00 | 3.85 | 1.85 | 2.04 | 0.69 | 2.17 | 0.09 | 0.43 | 12.09 | |||||||||||||
2023 | 0.82 | 0.36 | 1.13 | 0.13 | 0.17 | 1.47 | 0.11 | 0.45 | 1.11 | 0.15 | 1.09 | 0.92 | 7.91 | |||||||||||||
2024 | 0.31 | 0.42 | 0.46 | 0.10 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.19 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.41 | 0.34 | 0.58 | 0.50 | 0.55 | 0.66 | 1.88 | 1.82 | 1.15 | 1.10 | 0.43 | 0.49 | 9.76 | |||||||||||||
S.D. | 0.34 | 0.30 | 0.46 | 0.48 | 0.46 | 0.81 | 1.24 | 1.11 | 0.96 | 0.97 | 0.53 | 0.37 | 2.35 | |||||||||||||
SKEW | 0.72 | 1.42 | 0.97 | 2.20 | 0.64 | 2.13 | 0.78 | 0.62 | 1.43 | 0.83 | 1.92 | 0.61 | -0.18 | |||||||||||||
MAX | 1.22 | 1.38 | 1.81 | 2.54 | 1.73 | 3.85 | 4.75 | 4.39 | 4.32 | 3.36 | 2.12 | 1.32 | 14.79 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 3.12 | |||||||||||||
YRS | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 41 |