YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | 0.31 | 0.26 | 2.57 | 2.17 | 3.05 | 1.64 | ----- | z | 1.47 | 4.35 | 2.06 | ----- | z | 0.10 | 17.98 | b | ||||||||||
1942 | 0.00 | 0.08 | 0.18 | 6.77 | 0.28 | 1.62 | 1.26 | 3.06 | 6.10 | 1.78 | 0.02 | 0.17 | 21.32 | |||||||||||||
1943 | 0.38 | 0.18 | 0.24 | 0.21 | 2.00 | 0.73 | 2.50 | 2.06 | 0.48 | 0.05 | 0.38 | 0.57 | 9.78 | |||||||||||||
1944 | 0.60 | 0.21 | 0.28 | 1.57 | 1.43 | 1.43 | 2.08 | 2.43 | 0.60 | 1.68 | 0.46 | 0.05 | 12.82 | |||||||||||||
1945 | 0.52 | 0.21 | 0.03 | 0.79 | 0.30 | 0.68 | 3.01 | 2.57 | 0.83 | 0.13 | 0.00 | 0.02 | 9.09 | |||||||||||||
1946 | 0.21 | 0.22 | 0.63 | 0.35 | 0.77 | 0.61 | 1.93 | 7.61 | 0.56 | 1.97 | 0.41 | 0.00 | 15.27 | |||||||||||||
1947 | 0.00 | 0.89 | 0.30 | 0.88 | 2.47 | 0.86 | 1.25 | 2.29 | 0.17 | 1.05 | 0.23 | 1.34 | 11.73 | |||||||||||||
1948 | 1.02 | 0.85 | 0.69 | 0.42 | 4.96 | 3.37 | 1.85 | 1.04 | 0.16 | 0.69 | 0.02 | 0.02 | 15.09 | |||||||||||||
1949 | 0.43 | 0.22 | 0.78 | 1.11 | 1.31 | 4.92 | 2.24 | 1.04 | 2.01 | 0.01 | 0.12 | 0.06 | 14.25 | |||||||||||||
1950 | 0.15 | 0.04 | 0.04 | 0.35 | 0.44 | 2.74 | 4.68 | 1.23 | 1.98 | 0.02 | 0.06 | 0.07 | 11.80 | |||||||||||||
1951 | 0.65 | 0.01 | 0.87 | 1.08 | 1.99 | 1.79 | 2.96 | 3.93 | 0.11 | 0.44 | 0.85 | 0.16 | 14.84 | |||||||||||||
1952 | 0.24 | 0.67 | 0.62 | 0.57 | 2.75 | 0.95 | 1.37 | 2.62 | 2.75 | 0.00 | 0.31 | 0.19 | 13.04 | |||||||||||||
1953 | 0.06 | 0.29 | 0.09 | 0.36 | 1.08 | 0.81 | 1.22 | 3.19 | ----- | z | ----- | z | ----- | z | ----- | z | 7.10 | d | ||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.04 | 0.00 | 0.04 | j | ||
1956 | 0.42 | 0.19 | 0.06 | 0.17 | 1.18 | 0.65 | 3.48 | 1.45 | 0.19 | 0.00 | 0.23 | 0.00 | 8.02 | |||||||||||||
1957 | 0.12 | 0.26 | 0.79 | 2.45 | 3.81 | 0.11 | 3.55 | 3.89 | 0.05 | 6.02 | 1.72 | 0.00 | 22.77 | |||||||||||||
1958 | 0.17 | 0.11 | 1.21 | 1.25 | 4.35 | 2.50 | 2.38 | 5.45 | 1.10 | 0.56 | 0.49 | 0.08 | 19.65 | |||||||||||||
1959 | 0.64 | 0.19 | 0.22 | 0.65 | 2.87 | 1.06 | 2.65 | 3.38 | 0.64 | 1.96 | 0.08 | 0.59 | 14.93 | |||||||||||||
1960 | 0.91 | 0.66 | 0.20 | 0.35 | 0.19 | 2.11 | 3.93 | 2.24 | 2.23 | 3.00 | 0.09 | 1.17 | 17.08 | |||||||||||||
1961 | 0.18 | 0.27 | 0.83 | 0.74 | 1.89 | 1.91 | 3.71 | 5.07 | 1.51 | 0.57 | 0.71 | 0.39 | 17.78 | |||||||||||||
1962 | 0.36 | 0.24 | 0.37 | 0.30 | 0.38 | 1.91 | 1.83 | 1.28 | 2.02 | 0.00 | 0.73 | 0.33 | 9.75 | |||||||||||||
1963 | 0.46 | 0.39 | 0.04 | 0.00 | 1.90 | 1.76 | 0.31 | 2.69 | 2.66 | 0.28 | 0.00 | 0.16 | 10.65 | |||||||||||||
1964 | 0.00 | 0.50 | 0.22 | 1.50 | 1.25 | 1.88 | 0.86 | 2.19 | 0.76 | 0.10 | 0.74 | 0.34 | 10.34 | |||||||||||||
1965 | 0.21 | 0.33 | 0.29 | 1.12 | 3.46 | 11.93 | 2.63 | 1.09 | 1.02 | 0.49 | 0.00 | 0.37 | 22.94 | |||||||||||||
1966 | 0.45 | 0.26 | 0.00 | 0.66 | 0.19 | 2.49 | 4.59 | 2.76 | 0.57 | 0.75 | 0.02 | 0.18 | 12.92 | |||||||||||||
1967 | 0.37 | 0.06 | 0.09 | 0.26 | 0.39 | 2.27 | 4.62 | 4.39 | 1.12 | 0.05 | 0.05 | 0.95 | 14.62 | |||||||||||||
1968 | 0.00 | 0.11 | 0.74 | 0.24 | 1.51 | 0.58 | 5.25 | 4.91 | 0.48 | 0.06 | 1.80 | ----- | z | 15.68 | a | |||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | 0.69 | v | 1.08 | 1.36 | 0.19 | 0.09 | 2.72 | h | ||||
1999 | 0.02 | 0.00 | 0.69 | 3.14 | 1.91 | 2.33 | 1.61 | c | 1.53 | a | 0.72 | i | 0.54 | 0.05 | 0.00 | a | 11.82 | a | ||||||||
2000 | 0.31 | a | 0.00 | 1.73 | 0.66 | 0.08 | 2.74 | 1.89 | 1.46 | 0.48 | 2.76 | 0.37 | 0.00 | 12.48 | ||||||||||||
2001 | 1.11 | 0.37 | 2.27 | 0.29 | 1.32 | d | 1.02 | 2.21 | 2.30 | 0.40 | 0.03 | 0.83 | 0.14 | 12.29 | ||||||||||||
2002 | 0.26 | 0.13 | 0.05 | 0.25 | 0.18 | 1.13 | a | 1.89 | 0.54 | 3.43 | 1.17 | 0.42 | 0.77 | 10.22 | ||||||||||||
2003 | 0.02 | 0.37 | a | 0.62 | 0.51 | 0.83 | 3.53 | 1.07 | 1.12 | 0.94 | 0.31 | 0.59 | 0.09 | 10.00 | ||||||||||||
2004 | 0.08 | 0.73 | 0.19 | 4.83 | 0.02 | 4.44 | 4.44 | 3.11 | 2.21 | 1.09 | 0.94 | 0.39 | 22.47 | |||||||||||||
2005 | 1.79 | a | 0.09 | 1.22 | 0.59 | a | 1.95 | 0.74 | 1.19 | 1.22 | b | 1.62 | 1.05 | 0.09 | 0.16 | 11.71 | ||||||||||
2006 | 0.19 | 0.16 | 0.19 | 0.19 | 0.68 | 0.93 | 2.40 | 4.32 | a | 1.34 | 0.78 | a | 0.08 | 0.61 | 11.87 | |||||||||||
2007 | 0.31 | a | 0.14 | 0.47 | 0.42 | 1.18 | 2.68 | 4.24 | 2.37 | 1.04 | 0.05 | 0.43 | 1.10 | b | 14.43 | |||||||||||
2008 | 0.18 | a | 0.05 | 0.40 | 0.19 | 0.90 | 1.36 | 2.52 | 3.74 | 0.39 | 1.60 | 0.24 | 0.57 | 12.14 | ||||||||||||
2009 | 0.21 | 0.35 | 0.41 | 0.41 | 0.43 | 2.15 | 2.40 | 1.89 | 2.58 | 1.00 | 0.02 | 0.35 | 12.20 | |||||||||||||
2010 | 0.25 | 1.03 | 1.54 | 0.97 | 0.41 | 1.39 | 7.88 | 0.92 | 1.00 | 0.61 | 0.10 | 0.47 | 16.57 | |||||||||||||
2011 | 0.24 | 0.19 | 0.39 | 0.06 | 0.40 | 0.81 | 1.90 | 2.49 | 3.23 | 0.51 | 0.31 | 0.44 | 10.97 | |||||||||||||
2012 | 0.05 | 0.11 | a | 0.99 | 0.25 | a | 1.16 | 1.75 | 0.97 | 1.71 | 1.41 | 0.53 | 0.01 | 0.52 | 9.46 | |||||||||||
2013 | 0.44 | 0.55 | 0.25 | 0.41 | a | 2.67 | 0.90 | 2.04 | 3.39 | 3.87 | 0.89 | a | 0.33 | b | 0.04 | 15.78 | ||||||||||
2014 | 0.13 | c | 0.23 | 0.15 | a | 0.68 | 0.60 | 0.27 | 4.97 | 1.00 | 1.77 | 0.54 | a | 0.46 | 0.61 | 11.41 | ||||||||||
2015 | 0.83 | 1.01 | 0.36 | 0.64 | 3.19 | 2.72 | a | 3.20 | 0.63 | 1.79 | 3.52 | 0.95 | 0.36 | 19.20 | ||||||||||||
2016 | 0.35 | 0.14 | 0.54 | 1.76 | 1.81 | 1.21 | 1.19 | 3.22 | 1.87 | 0.05 | 0.46 | 0.38 | 12.98 | |||||||||||||
2017 | 1.77 | 0.29 | 0.40 | a | 1.14 | 1.89 | a | 0.61 | 2.96 | 4.79 | a | 5.07 | 0.40 | 0.10 | 0.02 | 19.44 | ||||||||||
2018 | 0.04 | 0.13 | a | 0.14 | 0.44 | 0.46 | 0.32 | 2.42 | 3.84 | 1.50 | 2.77 | a | 0.19 | 0.32 | 12.57 | |||||||||||
2019 | 0.08 | 0.58 | 1.95 | 1.66 | 1.20 | a | 0.69 | a | 1.65 | 3.33 | 0.55 | b | 0.73 | 1.25 | d | 1.13 | b | 14.80 | ||||||||
2020 | 0.16 | 0.34 | 0.38 | 0.68 | 0.70 | 1.67 | 2.02 | 1.44 | 0.82 | 0.36 | 0.25 | 0.27 | a | 9.09 | ||||||||||||
2021 | 0.52 | a | 0.27 | 0.96 | 0.14 | a | 3.81 | 1.09 | a | 1.83 | 1.62 | a | 1.32 | a | 0.48 | a | 0.00 | d | 0.03 | 12.07 | ||||||
2022 | 0.35 | 0.30 | 0.71 | 0.41 | 0.45 | 1.29 | 2.21 | a | 1.95 | 0.40 | 1.88 | 0.13 | a | 0.00 | 10.08 | |||||||||||
2023 | 0.46 | 0.81 | 0.13 | 0.19 | 3.15 | 6.16 | 1.31 | 1.28 | 2.15 | 1.03 | 0.07 | 0.61 | 17.35 | |||||||||||||
2024 | 0.47 | 0.45 | 0.85 | 0.05 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.77 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.37 | 0.32 | 0.58 | 0.93 | 1.52 | 1.91 | 2.57 | 2.56 | 1.53 | 0.98 | 0.36 | 0.33 | 13.87 | |||||||||||||
S.D. | 0.38 | 0.26 | 0.58 | 1.20 | 1.23 | 1.87 | 1.41 | 1.45 | 1.31 | 1.13 | 0.42 | 0.34 | 3.87 | |||||||||||||
SKEW | 2.09 | 1.22 | 1.69 | 3.17 | 0.90 | 3.40 | 1.33 | 1.07 | 1.50 | 2.22 | 1.77 | 1.25 | 0.83 | |||||||||||||
MAX | 1.79 | 1.03 | 2.57 | 6.77 | 4.96 | 11.93 | 7.88 | 7.61 | 6.10 | 6.02 | 1.80 | 1.34 | 22.94 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.11 | 0.31 | 0.54 | 0.05 | 0.00 | 0.00 | 0.00 | 8.02 | |||||||||||||
YRS | 52 | 52 | 52 | 51 | 51 | 51 | 50 | 51 | 50 | 51 | 51 | 51 | 47 |