YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.02 | 2.02 | k | |
1942 | 1.25 | 0.90 | 0.10 | 0.49 | 1.53 | 0.60 | 0.07 | 0.03 | 0.26 | 0.13 | 2.18 | 1.69 | 9.23 | |||||||||||||
1943 | 1.79 | 0.30 | 0.30 | 1.42 | 0.91 | 0.79 | 0.38 | 0.13 | 0.00 | 1.25 | 0.55 | e | 0.51 | 8.33 | ||||||||||||
1944 | 0.46 | 0.82 | 0.21 | 0.44 | 0.88 | 3.05 | 1.32 | 0.03 | 0.26 | 1.56 | 1.04 | 0.97 | 11.04 | |||||||||||||
1945 | 0.59 | 0.54 | 0.26 | 0.22 | 2.27 | 0.20 | 0.62 | 0.04 | 0.23 | ----- | z | 1.21 | 1.59 | 7.77 | a | |||||||||||
1946 | 1.10 | 0.36 | a | 1.39 | 0.19 | 1.26 | 0.75 | 0.63 | 0.98 | 0.25 | 0.88 | 1.30 | 0.14 | 9.23 | ||||||||||||
1947 | 0.28 | 0.26 | 0.77 | 0.30 | 1.47 | 1.43 | 0.36 | 0.41 | 0.22 | 0.94 | 0.53 | 0.77 | 7.74 | |||||||||||||
1948 | 1.56 | 0.66 | 1.40 | 0.56 | 1.56 | 2.25 | 0.86 | 0.47 | 0.85 | 0.22 | 1.50 | 1.34 | d | 13.23 | ||||||||||||
1949 | 0.25 | 0.62 | 0.89 | 0.12 | 1.97 | 0.05 | 0.04 | 0.05 | 0.09 | 0.21 | 0.47 | 0.39 | 5.15 | |||||||||||||
1950 | 2.52 | 0.20 | 0.76 | 0.40 | 0.48 | 4.32 | 0.00 | 0.10 | 0.07 | 3.03 | 1.05 | 2.49 | 15.42 | |||||||||||||
1951 | 1.65 | 1.20 | 0.42 | 0.17 | 1.65 | 0.01 | 0.35 | 0.14 | 0.15 | 1.24 | 1.00 | 2.38 | 10.36 | |||||||||||||
1952 | 0.51 | 1.07 | 0.89 | 0.35 | 1.14 | 2.37 | 0.12 | 0.00 | 0.38 | 0.13 | 0.39 | 2.26 | 9.61 | |||||||||||||
1953 | 2.93 | 0.70 | 0.52 | 0.32 | 2.21 | 2.97 | 0.00 | 1.50 | 0.48 | 0.50 | 3.97 | 1.08 | 17.18 | |||||||||||||
1954 | 1.86 | 0.85 | 0.61 | 0.89 | 0.72 | 1.34 | 0.00 | 0.81 | 0.66 | 0.28 | 0.64 | 0.59 | 9.25 | |||||||||||||
1955 | 0.58 | 0.17 | 0.50 | 0.70 | 0.39 | 0.47 | 0.48 | 0.00 | 0.77 | 0.33 | 1.67 | 2.78 | a | 8.84 | ||||||||||||
1956 | 2.74 | 1.67 | 0.20 | 0.86 | 2.06 | 0.74 | 2.82 | 0.17 | 0.35 | 1.75 | 0.07 | 0.40 | 13.83 | |||||||||||||
1957 | 0.85 | 1.48 | 2.05 | 0.39 | 2.74 | 0.46 | 0.39 | 0.11 | 1.62 | 0.92 | 0.82 | 1.61 | 13.44 | |||||||||||||
1958 | 2.15 | 1.45 | 0.59 | 0.68 | 1.55 | 3.55 | 1.09 | 0.19 | 0.47 | 0.33 | 0.74 | 0.73 | 13.52 | |||||||||||||
1959 | 0.45 | 0.69 | 0.51 | 0.37 | 0.96 | 0.39 | 0.10 | 1.44 | 0.41 | 0.83 | 0.09 | 0.34 | 6.58 | |||||||||||||
1960 | 1.87 | 1.29 | 1.12 | 1.22 | 1.71 | 0.00 | 0.57 | 0.08 | 0.12 | 0.13 | 2.37 | 0.55 | 11.03 | |||||||||||||
1961 | 0.33 | 1.29 | 0.60 | 0.10 | 2.21 | 1.08 | 0.42 | 0.13 | 0.21 | 1.00 | 1.68 | 1.57 | 10.62 | |||||||||||||
1962 | 0.93 | 0.91 | 0.37 | 0.12 | 1.28 | 0.14 | 0.24 | 0.30 | 0.38 | 3.31 | 1.37 | 1.21 | 10.56 | |||||||||||||
1963 | 1.35 | 1.20 | 0.56 | 1.36 | 1.74 | 1.21 | 0.58 | 1.28 | 0.48 | 0.43 | 1.27 | 0.88 | 12.34 | |||||||||||||
1964 | 1.41 | 0.00 | 1.20 | 0.24 | 0.15 | 1.25 | 1.55 | 0.13 | 0.04 | 0.23 | 1.36 | 7.00 | 14.56 | |||||||||||||
1965 | 1.54 | 0.07 | 0.00 | 0.99 | 0.61 | 2.18 | 0.67 | 2.44 | 0.06 | 0.44 | 1.22 | 0.50 | 10.72 | |||||||||||||
1966 | ----- | z | ----- | z | 0.92 | 0.48 | 0.00 | 1.16 | 0.84 | 0.02 | 0.28 | 0.08 | 2.87 | 1.11 | a | 7.76 | b | |||||||||
1967 | 1.88 | b | ----- | z | ----- | z | 2.41 | 0.56 | 0.90 | 0.00 | 0.00 | ----- | z | ----- | z | 0.36 | ----- | z | 6.11 | e | ||||||
1968 | ----- | z | 0.90 | c | ----- | z | ----- | z | 0.96 | 0.29 | 0.00 | 1.58 | ----- | z | ----- | z | ----- | z | ----- | z | 3.73 | g | ||||
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 | 0.60 | 2.55 | 3.15 | j | ||
1983 | 0.82 | a | 2.29 | 2.90 | 0.69 | 1.11 | 0.60 | 0.64 | 1.56 | 0.03 | 0.93 | 1.60 | a | 4.33 | 17.50 | |||||||||||
1984 | 0.21 | 0.80 | b | 0.80 | a | 0.80 | 0.35 | a | 0.87 | 0.22 | 1.52 | 0.22 | 1.43 | 2.85 | a | 0.76 | 10.83 | |||||||||
1985 | 0.14 | 0.40 | 0.75 | 0.33 | 0.70 | 0.52 | 0.56 | 0.18 | 1.64 | 0.63 | 1.25 | 0.82 | 7.92 | |||||||||||||
1986 | 1.01 | 3.55 | 1.18 | 0.12 | a | 1.01 | 1.56 | 0.03 | 0.30 | 1.18 | 0.31 | b | 0.73 | 0.40 | 11.38 | |||||||||||
1987 | 0.71 | 0.88 | 0.48 | 0.77 | 1.81 | 1.26 | 3.74 | a | 0.01 | 0.00 | 0.00 | 0.56 | 2.11 | a | 12.33 | |||||||||||
1988 | 1.14 | b | 0.47 | 0.19 | 2.18 | 1.29 | 1.49 | 0.00 | a | 0.06 | 0.18 | 0.00 | 2.53 | 0.48 | 10.01 | |||||||||||
1989 | 0.86 | 0.53 | 2.77 | 1.54 | 0.46 | 0.17 | 0.08 | 0.69 | 1.35 | 0.64 | 0.38 | 0.18 | 9.65 | |||||||||||||
1990 | 1.08 | 0.20 | 1.78 | 0.51 | 1.79 | 0.20 | 0.38 | 1.30 | 0.02 | 0.38 | 0.53 | 0.41 | 8.58 | |||||||||||||
1991 | 0.38 | 0.29 | a | 1.30 | 0.75 | 1.90 | 1.17 | 0.39 | 0.52 | 0.03 | a | 0.58 | 1.08 | a | 0.80 | a | 9.19 | |||||||||
1992 | 0.61 | ----- | z | ----- | z | 0.53 | e | 1.00 | 0.59 | 1.90 | 0.83 | 1.16 | 1.12 | 0.68 | ----- | z | 8.42 | c | ||||||||
1993 | 2.73 | 1.11 | b | 2.55 | b | 1.74 | a | 2.46 | 0.72 | 1.16 | 0.87 | 0.00 | 1.03 | 0.08 | 1.25 | 15.70 | ||||||||||
1994 | 0.38 | 1.13 | 0.56 | 1.04 | 1.13 | 0.33 | 0.23 | 0.00 | 1.20 | 0.70 | b | 0.64 | a | 0.51 | 7.85 | |||||||||||
1995 | 1.98 | c | 0.40 | l | 1.82 | a | 1.61 | c | 1.00 | ----- | z | 0.82 | 0.00 | 0.06 | ----- | z | ----- | z | 4.28 | 11.57 | d | |||||
1996 | 2.33 | c | 1.12 | b | 0.85 | 0.83 | 2.26 | ----- | z | 0.46 | 1.21 | 0.41 | 0.58 | 1.90 | 2.67 | b | 14.62 | a | ||||||||
1997 | 3.23 | e | 1.17 | 0.36 | 0.80 | b | 1.12 | 1.17 | d | 0.95 | 0.27 | ----- | z | 0.72 | 1.28 | b | 0.40 | d | 11.47 | a | ||||||
1998 | 2.61 | c | 1.02 | c | 1.35 | d | 0.78 | d | 4.91 | d | 1.59 | 0.89 | b | 0.44 | 0.70 | 0.30 | a | 4.32 | a | 0.47 | c | 19.38 | ||||
1999 | 1.84 | h | 1.54 | h | 0.44 | a | 0.58 | a | 0.38 | c | ----- | z | 0.05 | 0.94 | f | 0.00 | 0.83 | 0.43 | a | 0.17 | c | 2.88 | d | |||
2000 | 2.17 | b | 1.64 | a | 0.90 | a | 1.65 | a | ----- | z | ----- | z | 1.94 | b | 0.00 | 0.36 | b | 1.43 | 0.52 | e | 0.91 | 11.52 | b | |||
2001 | 0.15 | b | 0.98 | b | 1.01 | a | 1.10 | a | 0.38 | 0.39 | 1.52 | 0.06 | 1.14 | a | 0.44 | 1.81 | c | 2.57 | a | 11.55 | ||||||
2002 | 1.22 | d | ----- | z | 1.02 | b | 0.60 | d | 0.11 | 0.30 | 0.23 | 0.06 | 0.27 | 0.23 | 0.38 | 2.53 | e | 6.95 | a | |||||||
2003 | 1.49 | b | 0.57 | a | 1.18 | c | 0.68 | c | 1.44 | ----- | z | 0.45 | 0.58 | a | 0.74 | b | 0.18 | 0.91 | b | 1.68 | b | 9.90 | a | |||
2004 | 1.42 | a | 1.88 | a | 0.27 | 0.81 | 1.11 | f | 0.23 | 0.07 | 1.38 | b | 0.05 | 1.75 | b | 0.28 | 3.25 | 11.39 | a | |||||||
2005 | 0.86 | f | 0.36 | d | 0.79 | b | 1.54 | b | 3.96 | c | 0.32 | a | 0.32 | b | 0.07 | 0.91 | b | 0.95 | b | 3.44 | d | 3.35 | 16.01 | a | ||
2006 | 1.40 | d | 1.24 | a | 0.63 | e | 1.22 | e | ----- | z | 1.24 | b | 0.35 | f | 0.13 | 0.10 | 0.35 | ----- | z | 1.79 | d | 8.10 | c | |||
2007 | 1.09 | d | 2.05 | b | 0.53 | 0.98 | c | 0.78 | a | 1.10 | 0.91 | 0.49 | a | 0.84 | 1.56 | a | 1.52 | b | 1.03 | 12.88 | ||||||
2008 | 0.87 | a | 0.28 | c | 0.52 | e | 0.40 | a | 3.07 | d | 0.17 | 0.36 | a | 0.11 | a | 0.31 | 0.00 | 0.55 | 1.15 | 7.79 | ||||||
2009 | 0.38 | 0.62 | 1.85 | 0.56 | 1.99 | 1.78 | 0.00 | 0.97 | 0.10 | 0.30 | 0.73 | 0.88 | 10.16 | |||||||||||||
2010 | 0.88 | 0.56 | 0.28 | 1.20 | 0.62 | 1.54 | 0.01 | a | 0.48 | 0.17 | c | 1.62 | 1.30 | 1.76 | 10.42 | |||||||||||
2011 | ----- | z | 0.76 | y | 1.57 | v | 1.11 | w | 1.05 | w | 0.70 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2012 | 1.71 | 0.53 | 1.62 | 0.62 | 0.75 | 1.20 | 0.05 | 0.00 | 0.00 | 0.56 | 2.09 | 0.97 | 10.10 | |||||||||||||
2013 | 0.80 | 0.00 | 0.12 | 0.28 | 0.96 | 1.51 | 0.05 | 2.07 | 2.26 | 0.12 | 0.45 | 0.22 | 8.84 | |||||||||||||
2014 | 0.49 | 2.48 | 2.38 | 0.95 | 0.41 | 0.35 | 0.44 | 0.07 | 0.32 | 1.23 | 0.47 | 2.02 | 11.61 | |||||||||||||
2015 | 0.41 | e | 0.44 | 1.71 | 0.07 | 1.84 | 0.25 | 0.10 | 0.00 | 0.20 | 0.45 | 0.60 | 4.21 | 10.28 | ||||||||||||
2016 | 1.34 | 0.22 | 1.57 | 0.60 | 2.13 | 1.01 | 0.42 | 0.00 | 0.25 | 2.23 | 0.70 | 1.69 | 12.16 | |||||||||||||
2017 | ----- | z | 1.93 | 1.18 | 1.16 | 0.46 | 0.55 | 0.01 | 0.04 | 0.08 | 0.56 | 0.62 | 0.05 | 6.64 | a | |||||||||||
2018 | 1.04 | 0.19 | 1.49 | 1.27 | 1.21 | 0.46 | 0.02 | 0.12 | 0.00 | 0.61 | 0.79 | 1.84 | 9.04 | |||||||||||||
2019 | 0.84 | 2.05 | 0.94 | 2.19 | 1.37 | 0.64 | 0.06 | 0.77 | 1.77 | 0.40 | 0.27 | 1.14 | 12.44 | |||||||||||||
2020 | 1.37 | 0.13 | 0.87 | 0.22 | 0.99 | 0.26 | 0.03 | 0.31 | 0.04 | 0.11 | 2.80 | 0.71 | 7.84 | |||||||||||||
2021 | 0.49 | 0.34 | 0.48 | 0.33 | 0.30 | 0.80 | 0.15 | 0.52 | 1.41 | 1.11 | 1.24 | 0.97 | 8.14 | |||||||||||||
2022 | 0.76 | a | 0.00 | 0.18 | 1.05 | 0.56 | 1.18 | 0.17 | 1.13 | 1.00 | 0.10 | 1.10 | 2.25 | 9.48 | ||||||||||||
2023 | 0.51 | 0.19 | 2.04 | 0.50 | 1.85 | 0.73 | 0.00 | 1.03 | 0.47 | 0.14 | 1.11 | 1.39 | 9.96 | |||||||||||||
2024 | 1.18 | 1.18 | 1.64 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.00 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.19 | 0.88 | 0.96 | 0.78 | 1.33 | 1.00 | 0.52 | 0.50 | 0.47 | 0.74 | 1.18 | 1.48 | 10.88 | |||||||||||||
S.D. | 0.76 | 0.70 | 0.68 | 0.54 | 0.90 | 0.87 | 0.68 | 0.59 | 0.52 | 0.68 | 0.91 | 1.24 | 2.84 | |||||||||||||
SKEW | 0.76 | 1.30 | 0.98 | 1.04 | 1.41 | 1.65 | 2.50 | 1.29 | 1.46 | 1.67 | 1.49 | 1.85 | 0.88 | |||||||||||||
MAX | 3.23 | 3.55 | 2.90 | 2.41 | 4.91 | 4.32 | 3.74 | 2.44 | 2.26 | 3.31 | 4.32 | 7.00 | 19.38 | |||||||||||||
MIN | 0.14 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.05 | 5.15 | |||||||||||||
YRS | 63 | 62 | 65 | 66 | 64 | 62 | 66 | 66 | 64 | 63 | 65 | 66 | 51 |