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 | 0.00 | ----- | z | 0.00 | k | |
1943 | ----- | z | ----- | z | 2.02 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 0.23 | 0.26 | ----- | z | 2.51 | g | |||||
1944 | 0.50 | 0.73 | a | ----- | z | 0.38 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.61 | i | ||
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.56 | 0.56 | k | |
1946 | 1.86 | b | ----- | z | 0.48 | 0.41 | 0.74 | 0.00 | 2.74 | 0.67 | 0.49 | ----- | z | 0.79 | b | ----- | z | 8.18 | c | |||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.09 | x | 0.08 | 2.77 | 2.85 | j | ||
1949 | 4.41 | 1.80 | 0.58 | 0.00 | 0.00 | 0.61 | g | 1.96 | 1.18 | 1.83 | 0.30 | 0.21 | 0.36 | 12.63 | a | |||||||||||
1950 | 0.72 | ----- | z | 0.45 | 0.00 | 0.00 | 0.40 | 3.25 | 2.01 | 1.05 | 0.40 | 0.00 | 0.00 | 8.28 | a | |||||||||||
1951 | 0.93 | 0.40 | 0.97 | 1.69 | 0.02 | 0.00 | 1.88 | 1.26 | 0.19 | 3.20 | 0.01 | 1.66 | 12.21 | |||||||||||||
1952 | 0.98 | 0.16 | 2.03 | 1.07 | 0.25 | 2.69 | 1.41 | 0.57 | 1.00 | 0.00 | 1.18 | 0.78 | 12.12 | |||||||||||||
1953 | 0.15 | 1.66 | 0.87 | 0.52 | 0.00 | 0.00 | 2.37 | 0.79 | 0.00 | 0.35 | 0.29 | 0.01 | 7.01 | |||||||||||||
1954 | 0.48 | 0.18 | 1.08 | 0.00 | 0.64 | 0.06 | 1.31 | 4.15 | 1.82 | 0.68 | 0.00 | 0.10 | 10.50 | |||||||||||||
1955 | 1.71 | 0.44 | 0.90 | 0.00 | 0.20 | 0.23 | 4.91 | 2.53 | 0.00 | 0.23 | 0.00 | 0.20 | 11.35 | |||||||||||||
1956 | 0.67 | 2.47 | 0.00 | 0.21 | 0.08 | 0.47 | 1.12 | 1.45 | 0.18 | 0.30 | 0.00 | 0.23 | 7.18 | |||||||||||||
1957 | 3.30 | 0.11 | 1.10 | 0.00 | 0.77 | 0.10 | 5.63 | 5.11 | 0.05 | 1.99 | 0.26 | 0.31 | 18.73 | |||||||||||||
1958 | 0.51 | 2.81 | 2.15 | c | 0.94 | 0.28 | 0.10 | 1.39 | 1.57 | 7.53 | 2.16 | 0.38 | 0.00 | 19.82 | ||||||||||||
1959 | 0.02 | 1.01 | 0.15 | 0.05 | 0.10 | 0.68 | 2.78 | 3.92 | 0.00 | 0.93 | 0.66 | b | 1.22 | 11.52 | ||||||||||||
1960 | 3.25 | 0.42 | 0.24 | 0.00 | 0.11 | 0.23 | 2.59 | a | 1.48 | 0.76 | 1.78 | 0.05 | 2.02 | 12.93 | ||||||||||||
1961 | 1.25 | 0.02 | 0.35 | 0.10 | 0.00 | 1.43 | 1.80 | 1.67 | 3.11 | 0.28 | 2.69 | 2.38 | 15.08 | |||||||||||||
1962 | 2.66 | 0.31 | 0.62 | 0.34 | 0.00 | 0.55 | 6.45 | 0.78 | 2.19 | 0.82 | 1.24 | 2.68 | 18.64 | |||||||||||||
1963 | 1.16 | 1.32 | 0.23 | 0.18 | 0.00 | 0.14 | 3.32 | 3.64 | 1.92 | 1.39 | 0.62 | 0.00 | 13.92 | |||||||||||||
1964 | 0.05 | 0.07 | 1.50 | 0.79 | 0.00 | 0.00 | 3.07 | 0.34 | 3.43 | 0.00 | 0.20 | 0.65 | 10.10 | |||||||||||||
1965 | 1.57 | 0.19 | 0.59 | 0.00 | 0.00 | 0.15 | 3.04 | 5.17 | 2.51 | 0.06 | 0.76 | 4.15 | 18.19 | |||||||||||||
1966 | 1.16 | 0.80 | 0.19 | 0.26 | 0.00 | 1.65 | 1.22 | 1.13 | 1.25 | 0.30 | 1.18 | 0.78 | 9.92 | |||||||||||||
1967 | 0.00 | 0.74 | 0.08 | 0.11 | 0.00 | 0.25 | 1.43 | 2.46 | 1.51 | 0.20 | 0.64 | 4.10 | 11.52 | |||||||||||||
1968 | 0.18 | 2.45 | 1.74 | 0.22 | 0.00 | 0.21 | 3.48 | 3.08 | 0.00 | 0.00 | 1.21 | 1.52 | 14.09 | |||||||||||||
1969 | 0.59 | 0.51 | 0.54 | 0.00 | 0.40 | 0.00 | 1.93 | 2.71 | 1.81 | 1.06 | 0.55 | 1.66 | 11.76 | |||||||||||||
1970 | 0.00 | 0.87 | 0.24 | 0.00 | 0.00 | 0.88 | 2.60 | 1.13 | 1.10 | 1.14 | 0.00 | 0.17 | 8.13 | |||||||||||||
1971 | 0.68 | 0.23 | 0.00 | 0.37 | 0.00 | 0.00 | a | 1.01 | 0.91 | 1.07 | 2.72 | 0.42 | a | 1.69 | 9.10 | |||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 1.00 | 2.56 | 3.02 | 3.99 | 4.90 | 1.44 | 1.34 | 18.41 | |||||||||||||
1973 | 2.61 | 3.35 | 1.69 | 0.03 | 0.91 | 0.38 | 2.57 | 0.28 | 0.36 | 0.00 | 0.48 | 0.00 | 12.66 | |||||||||||||
1974 | 0.88 | 0.26 | 0.26 | 0.06 | 0.00 | 0.70 | 2.32 | 4.53 | 3.18 | 2.49 | a | 0.38 | 0.63 | 15.69 | ||||||||||||
1975 | 2.55 | 0.39 | 1.94 | 0.61 | 0.30 | 0.00 | 3.38 | 1.82 | 5.87 | 0.90 | 0.71 | 1.25 | 19.72 | |||||||||||||
1976 | 0.69 | 1.68 | 0.38 | 0.10 | 0.28 | 0.42 | 3.14 | 2.34 | 2.18 | 2.13 | 0.39 | 0.24 | 13.97 | |||||||||||||
1977 | 1.57 | a | 0.01 | 0.75 | 0.36 | 0.00 | 0.11 | 3.36 | 1.39 | ----- | z | 0.25 | 0.00 | 0.77 | 8.57 | a | ||||||||||
1978 | 2.90 | 1.00 | 0.64 | 0.03 | 0.15 | 0.23 | 0.83 | 1.06 | 0.80 | 1.96 | 1.83 | 2.58 | 14.01 | |||||||||||||
1979 | 1.85 | 1.22 | 0.09 | 0.39 | ----- | z | 1.13 | 2.37 | 3.17 | 1.02 | 0.36 | 0.14 | 0.58 | 12.32 | a | |||||||||||
1980 | 1.04 | 2.63 | 0.92 | 0.37 | 1.66 | 0.00 | 2.98 | 3.38 | 0.30 | 0.00 | 0.34 | 0.30 | 13.92 | |||||||||||||
1981 | 1.86 | 0.74 | 0.84 | b | 0.18 | 0.29 | 0.95 | 6.83 | 2.63 | 0.95 | 0.56 | 2.39 | 0.00 | 18.22 | ||||||||||||
1982 | 1.44 | e | 1.35 | 1.21 | 0.11 | 0.79 | 0.46 | 3.30 | 2.51 | 1.45 | 0.06 | 1.43 | 3.55 | 17.66 | ||||||||||||
1983 | 0.80 | 2.20 | 2.71 | 0.50 | 0.34 | 0.11 | 1.89 | 2.21 | 3.78 | 4.74 | 1.61 | 1.76 | 22.65 | |||||||||||||
1984 | 0.79 | 0.09 | 0.12 | 0.61 | 0.21 | 1.08 | 1.74 | 8.06 | 0.40 | 2.85 | 1.19 | 4.34 | h | 17.14 | a | |||||||||||
1985 | 2.12 | 0.49 | 1.43 | 1.70 | 0.55 | 0.06 | 2.61 | b | 1.93 | 1.82 | 4.04 | a | 1.41 | a | 0.23 | 18.39 | ||||||||||
1986 | 0.00 | 0.89 | 1.46 | 0.04 | 0.56 | 1.16 | 2.41 | 2.92 | 1.55 | 2.58 | 3.17 | 3.36 | a | 20.10 | ||||||||||||
1987 | 0.39 | 0.75 | 0.90 | a | 0.24 | 0.62 | 2.11 | 3.14 | 1.89 | 1.34 | a | 0.51 | 0.53 | 2.00 | 14.42 | |||||||||||
1988 | 1.42 | 1.69 | 0.90 | 1.20 | 0.00 | 1.12 | b | 4.85 | 8.23 | 1.41 | 0.56 | 1.39 | 0.59 | 23.36 | ||||||||||||
1989 | 0.61 | 0.55 | 0.64 | 0.00 | 0.22 | 0.62 | 5.09 | 3.65 | 0.25 | 1.17 | 0.00 | 0.38 | 13.18 | |||||||||||||
1990 | 0.40 | 1.15 | 0.40 | 0.25 | 0.48 | 0.27 | 4.71 | a | 4.23 | 3.48 | 1.30 | 2.13 | b | 2.45 | a | 21.25 | ||||||||||
1991 | 0.81 | 2.36 | 3.01 | 0.00 | 0.00 | 0.40 | 3.36 | 3.00 | 1.98 | 0.40 | 1.06 | 7.78 | 24.16 | |||||||||||||
1992 | 1.80 | 0.97 | 1.53 | 1.42 | a | 3.87 | 0.24 | 2.36 | 2.53 | 0.97 | 0.40 | 0.11 | 3.63 | 19.83 | ||||||||||||
1993 | 6.08 | a | 2.20 | 0.46 | 0.00 | 0.29 | a | 0.40 | 0.81 | 3.79 | 0.44 | a | 1.65 | a | 0.83 | a | 0.66 | a | 17.61 | |||||||
1994 | 0.17 | f | 0.45 | a | 0.45 | c | 0.04 | 0.34 | a | 1.36 | 1.73 | a | 2.06 | a | 1.17 | 1.17 | 4.31 | 4.13 | a | 17.21 | a | |||||
1995 | 2.63 | a | 1.23 | a | 0.79 | 0.17 | 0.06 | 0.00 | 3.08 | 2.80 | a | 3.31 | 0.00 | 0.49 | 1.29 | b | 15.85 | |||||||||
1996 | 0.03 | c | 1.33 | 0.02 | 0.38 | a | 0.00 | 0.62 | 5.08 | 3.18 | 2.52 | a | 1.53 | 0.71 | 0.00 | 15.40 | ||||||||||
1997 | 2.44 | 1.71 | d | 0.27 | 0.30 | 2.32 | a | 0.43 | 2.68 | 1.91 | 1.34 | 1.55 | 1.00 | 2.37 | 18.32 | |||||||||||
1998 | 0.13 | 2.29 | 1.12 | 0.03 | 0.00 | 0.10 | 5.71 | 1.79 | 1.63 | 2.58 | a | 1.73 | 0.35 | 17.46 | ||||||||||||
1999 | 0.18 | 0.00 | 0.55 | a | 0.11 | 0.00 | 1.60 | 3.67 | b | 2.69 | 2.67 | 0.00 | 0.00 | 0.28 | a | 11.75 | ||||||||||
2000 | 0.12 | 0.10 | 0.44 | c | 0.01 | 0.00 | 2.18 | c | 0.70 | 3.78 | c | 0.00 | 4.73 | 2.10 | 0.46 | a | 14.62 | |||||||||
2001 | 1.00 | a | ----- | z | 0.18 | 0.69 | 0.16 | 0.90 | 3.50 | 5.40 | 0.91 | c | 0.11 | 0.90 | 0.23 | 13.98 | a | |||||||||
2002 | 0.55 | 1.03 | a | 0.00 | 0.00 | 0.00 | 0.30 | 2.61 | 1.58 | d | 2.66 | 2.15 | 0.26 | 2.08 | 13.22 | |||||||||||
2003 | 0.10 | a | 1.58 | b | 1.01 | a | 0.14 | 0.00 | 1.08 | 1.21 | 2.82 | b | 0.02 | 1.18 | a | 1.44 | 0.61 | 11.19 | ||||||||
2004 | ----- | z | 0.60 | 1.37 | c | 2.46 | a | 0.52 | 1.05 | a | 3.29 | 3.93 | 1.90 | 1.10 | 1.60 | 1.24 | 19.06 | a | ||||||||
2005 | 2.99 | a | 4.34 | 0.59 | 0.58 | 0.03 | a | 0.00 | 0.71 | 2.05 | 1.15 | 0.86 | a | 0.00 | 0.16 | 13.46 | ||||||||||
2006 | 0.44 | 0.13 | d | 0.64 | b | 0.22 | 0.05 | 0.14 | 4.59 | e | 4.20 | 2.59 | d | 3.24 | b | 0.13 | 0.63 | 17.00 | ||||||||
2007 | 2.28 | b | 0.84 | c | 0.55 | a | 0.84 | b | 0.53 | 0.35 | a | 3.95 | a | 3.52 | 1.92 | d | 0.14 | e | 0.99 | 1.75 | 17.66 | |||||
2008 | 0.54 | 0.60 | a | 0.00 | 0.00 | 0.48 | a | 0.15 | d | 7.47 | 4.22 | b | 0.30 | e | 0.18 | f | 0.84 | 0.81 | 15.41 | a | ||||||
2009 | 0.08 | 0.11 | 0.38 | 0.00 | 0.69 | 0.76 | a | 2.36 | c | 1.14 | 1.74 | d | 1.08 | 1.21 | a | 1.04 | a | 10.59 | ||||||||
2010 | 2.37 | 2.11 | a | 0.58 | c | 0.45 | 0.25 | 0.21 | 5.62 | b | 3.31 | 1.41 | a | 0.40 | 0.00 | b | 0.34 | a | 17.05 | |||||||
2011 | ----- | z | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | 1.37 | w | 2.67 | o | 1.22 | e | 0.24 | d | 0.96 | a | 1.40 | f | 2.42 | e | ||||
2012 | 0.61 | 0.71 | a | 1.33 | c | 0.08 | b | 0.26 | a | 0.13 | 3.81 | a | 2.04 | c | 1.40 | c | 0.04 | a | 0.24 | ----- | z | 10.65 | a | |||
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.82 | 0.33 | c | 0.91 | a | 2.06 | i | |
2015 | 3.64 | 0.45 | 0.36 | 0.30 | 0.13 | a | 1.25 | 3.36 | 2.34 | 1.44 | a | 2.43 | 0.90 | b | 1.23 | d | 17.83 | |||||||||
2016 | 1.24 | 0.40 | a | 0.00 | 0.78 | 0.22 | 0.50 | a | 1.11 | 6.69 | 2.74 | 0.16 | 0.26 | 2.40 | 16.50 | |||||||||||
2017 | 2.69 | 1.39 | 0.10 | 0.16 | 0.00 | 1.16 | 3.30 | 2.10 | 0.38 | 0.17 | 0.21 | 0.78 | 12.44 | |||||||||||||
2018 | 0.25 | 1.77 | 0.16 | 0.00 | 0.00 | 0.71 | 4.66 | 1.68 | 2.46 | 2.56 | 0.21 | 1.72 | 16.18 | |||||||||||||
2019 | 0.65 | 0.72 | 0.70 | 0.39 | 0.52 | 1.02 | 1.25 | 3.07 | 2.99 | 0.83 | 5.45 | 1.72 | 19.31 | |||||||||||||
2020 | 0.73 | 1.64 | 1.43 | 0.00 | 0.13 | 0.32 | 0.90 | 0.49 | 0.54 | 0.83 | 0.22 | 0.39 | 7.62 | |||||||||||||
2021 | 0.66 | 0.49 | 0.20 | 0.00 | 0.00 | 0.68 | 2.33 | 4.50 | 2.73 | 0.38 | b | 0.00 | a | 1.08 | 13.05 | |||||||||||
2022 | 0.87 | 0.12 | a | 0.36 | 0.00 | 0.00 | 2.85 | 2.23 | 4.64 | 0.56 | a | 3.58 | 0.00 | 1.61 | 16.82 | |||||||||||
2023 | 1.51 | 0.85 | 0.24 | 0.00 | 0.68 | 0.00 | 0.81 | 0.25 | 1.03 | 0.52 | 0.31 | 0.89 | 7.09 | |||||||||||||
2024 | 1.74 | 1.62 | 0.42 | a | 0.25 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.78 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.26 | 1.03 | 0.73 | 0.32 | 0.31 | 0.59 | 2.89 | 2.69 | 1.60 | 1.20 | 0.81 | 1.30 | 14.89 | |||||||||||||
S.D. | 1.17 | 0.89 | 0.66 | 0.46 | 0.57 | 0.64 | 1.53 | 1.65 | 1.35 | 1.25 | 0.97 | 1.34 | 4.12 | |||||||||||||
SKEW | 1.48 | 1.19 | 1.27 | 2.38 | 4.15 | 1.56 | 0.83 | 1.11 | 1.65 | 1.30 | 2.35 | 2.04 | 0.03 | |||||||||||||
MAX | 6.08 | 4.34 | 3.01 | 2.46 | 3.87 | 2.85 | 7.47 | 8.23 | 7.53 | 4.90 | 5.45 | 7.78 | 24.16 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.70 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 7.01 | |||||||||||||
YRS | 73 | 72 | 76 | 76 | 74 | 73 | 73 | 73 | 73 | 74 | 78 | 73 | 62 |