YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.25 | 0.14 | ----- | z | 0.27 | 0.15 | ----- | z | ||||
1944 | 0.33 | 0.02 | w | 0.38 | 0.50 | 0.72 | 1.75 | 0.40 | 2.56 | 0.77 | 1.38 | 0.81 | 0.13 | 2.56 | w | |||||||||||
1945 | 0.25 | 0.12 | 0.73 | 0.50 | 0.25 | 0.85 | 0.40 | 1.20 | 1.02 | 0.20 | 0.30 | 0.25 | a | 1.20 | a | |||||||||||
1946 | 0.13 | 0.85 | 0.46 | 0.42 | 0.45 | 0.65 | 0.42 | 0.55 | 2.28 | 1.32 | 0.63 | 0.35 | 2.28 | |||||||||||||
1947 | 0.08 | 0.22 | 0.20 | 0.73 | 1.25 | 2.55 | 0.95 | v | 1.67 | 1.30 | 0.44 | 0.47 | 0.22 | s | ----- | z | ||||||||||
1948 | 0.09 | 0.51 | 0.35 | b | 0.52 | 0.48 | 0.87 | 0.52 | 1.05 | 0.08 | 0.24 | 0.20 | 0.30 | 1.05 | b | |||||||||||
1949 | 0.40 | a | 0.24 | 0.70 | b | 0.18 | 4.34 | 0.65 | 3.60 | 1.49 | 0.45 | 0.40 | a | 0.49 | 0.94 | 4.34 | d | |||||||||
1950 | 0.79 | 0.15 | 0.76 | 0.60 | 1.02 | 3.79 | 0.37 | 1.37 | 1.09 | 1.04 | 0.45 | 0.12 | a | 3.79 | a | |||||||||||
1951 | 0.09 | 0.24 | 0.40 | 0.49 | 0.32 | 0.55 | 1.23 | 0.94 | 0.87 | 0.38 | 0.65 | 1.47 | 1.47 | |||||||||||||
1952 | 0.60 | 0.05 | 0.24 | 0.40 | 0.77 | 0.67 | 1.70 | a | 1.36 | 0.27 | 0.10 | 0.56 | a | 0.13 | 1.70 | b | ||||||||||
1953 | 0.46 | 0.13 | 0.43 | 0.58 | 1.96 | 1.05 | 1.35 | 0.82 | 0.45 | 0.25 | 1.20 | 0.55 | 1.96 | |||||||||||||
1954 | 0.37 | 0.56 | 0.33 | 0.43 | 0.36 | 3.66 | 1.77 | 1.07 | 0.85 | 0.54 | 0.45 | 0.05 | 3.66 | |||||||||||||
1955 | 0.30 | 0.89 | 0.85 | a | 0.51 | 0.78 | 1.59 | 1.05 | a | 0.53 | 0.92 | 0.24 | 0.37 | 0.31 | 1.59 | b | ||||||||||
1956 | 0.36 | 0.18 | 0.52 | 1.06 | 0.77 | 0.74 | 1.70 | 0.92 | 0.24 | 0.53 | a | 1.04 | 0.36 | e | 1.70 | f | ||||||||||
1957 | 0.45 | 0.11 | t | 0.42 | 1.71 | 0.75 | 2.71 | a | 0.64 | 0.86 | a | 1.71 | 0.68 | 0.65 | 0.17 | 2.71 | v | |||||||||
1958 | 0.10 | b | 0.05 | 0.10 | 0.21 | 0.34 | 0.92 | 1.76 | 0.75 | 0.39 | 0.76 | 1.42 | 0.46 | 1.76 | b | |||||||||||
1959 | 0.09 | 0.11 | 0.06 | 0.06 | 0.88 | 1.23 | 1.40 | 0.76 | 0.34 | 0.57 | 0.14 | 0.08 | 1.40 | |||||||||||||
1960 | 0.21 | 0.00 | 0.08 | 0.62 | 0.54 | 1.33 | 0.82 | 1.50 | 0.34 | 0.55 | 0.33 | 0.60 | 1.50 | |||||||||||||
1961 | 0.11 | 0.12 | 0.79 | 0.63 | 0.76 | 0.22 | 0.82 | 1.20 | 1.78 | 0.40 | 0.30 | 0.20 | 1.78 | |||||||||||||
1962 | 0.17 | 0.29 | 0.15 | 0.28 | 2.52 | 0.69 | 1.22 | 2.21 | 2.62 | 0.34 | 0.34 | 0.18 | 2.62 | |||||||||||||
1963 | 0.03 | 0.13 | 0.11 | 0.90 | 1.25 | 1.18 | 0.99 | 0.71 | 0.40 | 0.06 | 0.31 | 0.38 | 1.25 | |||||||||||||
1964 | 0.11 | 0.13 | 0.40 | 1.05 | 0.48 | 1.25 | 0.67 | 1.41 | 1.85 | 0.14 | 0.64 | 0.23 | 1.85 | |||||||||||||
1965 | 0.12 | 0.04 | 0.28 | 0.71 | 1.25 | 0.83 | 0.75 | 1.03 | 0.84 | 2.27 | 0.39 | 0.40 | 2.27 | |||||||||||||
1966 | 0.23 | 0.29 | 0.66 | 0.57 | 0.48 | 0.62 | 1.03 | 3.06 | 0.38 | 0.65 | 0.12 | 0.28 | 3.06 | |||||||||||||
1967 | 0.29 | 0.14 | 0.33 | 0.60 | 0.37 | 1.08 | 1.28 | 0.34 | 0.34 | 0.62 | 0.06 | 0.50 | 1.28 | |||||||||||||
1968 | 0.22 | 0.06 | 0.69 | 0.64 | 0.45 | 1.09 | 3.02 | 0.66 | 0.80 | 1.04 | 0.17 | 0.13 | 3.02 | |||||||||||||
1969 | 0.50 | 0.15 | 0.20 | 0.18 | 1.81 | 0.85 | 2.51 | 2.00 | 1.79 | 1.35 | 0.18 | 0.22 | 2.51 | |||||||||||||
1970 | 0.12 | 0.19 | 0.24 | 0.56 | 0.61 | 0.47 | 1.43 | 1.01 | 1.73 | 0.64 | 0.31 | 0.16 | 1.73 | |||||||||||||
1971 | 0.17 | 0.15 | 0.32 | 0.35 | 0.80 | 1.31 | 0.80 | 0.52 | 1.60 | 1.95 | 0.44 | 0.08 | 1.95 | |||||||||||||
1972 | 0.18 | 0.14 | 0.15 | 1.13 | 0.45 | 1.93 | 1.81 | 2.02 | 1.27 | 0.86 | 0.25 | 0.40 | 2.02 | |||||||||||||
1973 | 0.00 | 0.03 | 0.51 | 0.61 | 0.44 | 0.84 | 1.40 | 2.65 | 2.52 | 0.82 | 0.46 | 0.26 | 2.65 | |||||||||||||
1974 | 0.19 | 0.06 | 0.10 | 0.57 | 0.98 | 1.80 | 1.37 | 2.30 | 0.31 | 1.02 | 0.63 | 0.35 | 2.30 | |||||||||||||
1975 | 0.43 | 0.10 | 0.24 | 1.09 | 0.51 | 2.78 | 5.31 | 0.82 | 1.16 | 0.71 | 0.32 | 0.14 | 5.31 | |||||||||||||
1976 | 0.23 | 0.12 | 0.68 | 0.13 | 0.08 | 1.15 | 0.76 | 1.14 | 0.24 | 0.10 | 0.03 | 0.17 | 1.15 | |||||||||||||
1977 | 0.10 | 0.63 | 0.33 | 0.24 | 0.72 | 0.62 | 1.92 | 0.83 | 1.76 | 0.73 | 0.69 | 0.45 | 1.92 | |||||||||||||
1978 | 0.04 | 0.11 | 0.09 | 0.33 | 0.91 | 0.85 | 1.01 | 0.81 | 0.90 | ----- | z | 0.50 | 0.25 | ----- | z | |||||||||||
1979 | 0.17 | 0.38 | 0.62 | 0.63 | 1.42 | 1.34 | 1.32 | 0.36 | 0.83 | 1.94 | ----- | z | 0.07 | ----- | z | |||||||||||
1980 | 0.27 | a | 0.25 | 0.22 | 0.11 | 0.12 | a | 1.34 | ----- | z | 2.07 | 0.80 | 0.29 | 0.27 | 0.15 | ----- | z | |||||||||
1981 | 0.19 | 0.18 | 0.41 | 0.34 | 0.54 | 1.87 | 1.76 | 1.70 | 1.18 | 0.99 | 0.39 | 0.16 | a | 1.87 | a | |||||||||||
1982 | 0.22 | a | 0.11 | 0.31 | 0.36 | 0.85 | 1.33 | 1.71 | 0.22 | 1.13 | 1.28 | 0.34 | 0.09 | 1.71 | a | |||||||||||
1983 | 0.21 | 0.73 | 0.53 | 0.29 | 2.02 | 1.46 | 0.46 | 4.07 | 0.51 | b | 0.78 | 0.44 | 0.12 | 4.07 | b | |||||||||||
1984 | 0.06 | 0.48 | 0.19 | 0.38 | 0.38 | 3.07 | 0.62 | 0.79 | 0.28 | 1.87 | 0.07 | 0.36 | 3.07 | |||||||||||||
1985 | 0.16 | 0.20 | 0.29 | 0.92 | 2.41 | 1.87 | 1.67 | 0.89 | 0.71 | 0.95 | 0.53 | 0.11 | a | 2.41 | a | |||||||||||
1986 | 0.13 | 0.38 | 0.60 | 0.55 | 0.23 | 0.74 | 1.04 | 0.40 | 0.63 | 0.10 | 0.22 | 0.24 | 1.04 | |||||||||||||
1987 | 0.37 | 0.14 | 0.38 | 0.14 | 1.36 | 0.19 | 1.97 | 1.66 | 0.86 | 0.26 | 0.14 | 0.11 | 1.97 | |||||||||||||
1988 | 0.50 | b | 0.03 | 0.61 | 0.06 | 0.97 | 1.02 | ----- | z | 1.83 | 1.00 | 0.20 | 0.63 | 0.48 | ----- | z | ||||||||||
1989 | 0.69 | 0.00 | 0.48 | 0.07 | 1.03 | 1.71 | 1.19 | ----- | z | 0.77 | f | 0.23 | 0.39 | a | 0.09 | a | ----- | z | ||||||||
1990 | 0.11 | 0.15 | 2.00 | 0.30 | 0.69 | 1.70 | 0.45 | 1.70 | 0.27 | 1.10 | 0.04 | 0.60 | 2.00 | |||||||||||||
1991 | 0.02 | 0.00 | b | 0.28 | a | 1.35 | 0.55 | 1.54 | 1.10 | 0.63 | 1.50 | 0.54 | a | 0.50 | d | 0.00 | d | 1.54 | l | |||||||
1992 | 0.00 | c | 0.00 | c | 0.50 | a | 0.60 | c | 0.45 | 0.74 | 1.68 | 2.40 | b | 0.98 | ----- | z | 0.00 | d | ----- | z | ----- | z | ||||
1993 | 0.00 | i | 0.00 | a | 0.10 | c | 0.60 | 1.20 | 0.59 | 1.17 | 0.71 | 0.44 | 0.38 | ----- | z | 0.00 | g | ----- | z | |||||||
1994 | ----- | z | ----- | z | 0.50 | a | 0.72 | a | 0.37 | 2.07 | 1.42 | 0.62 | 0.75 | 0.46 | 0.70 | a | 0.00 | f | ----- | z | ||||||
1995 | ----- | z | ----- | z | 0.35 | c | 0.50 | a | 0.50 | 0.48 | 1.72 | 2.05 | 1.00 | ----- | z | 0.00 | e | 0.00 | t | ----- | z | |||||
1996 | 2.00 | j | 0.00 | c | 0.00 | c | ----- | z | 1.21 | l | 0.36 | 0.67 | 0.67 | 0.48 | 1.30 | 0.50 | b | 0.25 | c | ----- | z | |||||
1997 | 0.15 | a | 0.25 | e | ----- | z | 0.46 | c | 0.32 | j | 2.73 | 1.30 | 1.25 | ----- | z | ----- | z | 0.21 | g | 0.00 | g | ----- | z | |||
1998 | 1.00 | c | 0.33 | a | 0.22 | c | 0.15 | b | 3.00 | 0.88 | 1.10 | 0.32 | 0.20 | 1.73 | 0.53 | c | 0.12 | a | 3.00 | m | ||||||
1999 | 1.00 | c | 0.03 | 0.51 | a | 1.35 | 1.35 | 1.22 | 1.45 | 2.18 | 1.64 | 0.25 | 0.00 | 0.14 | b | 2.18 | f | |||||||||
2000 | 1.00 | 1.50 | 0.17 | 0.58 | 3.20 | 2.36 | 8.20 | a | 1.49 | 0.75 | 1.75 | 0.95 | a | 0.14 | d | 8.20 | f | |||||||||
2001 | 0.09 | h | 0.23 | f | 1.00 | a | 1.05 | b | 1.85 | 0.66 | 1.98 | a | 2.10 | 1.00 | 1.84 | 0.80 | 0.07 | 2.10 | r | |||||||
2002 | 0.30 | 0.15 | 0.29 | a | 0.68 | 0.94 | 1.96 | i | 2.00 | g | 0.78 | m | 0.85 | n | 0.56 | 2.00 | 0.20 | ----- | z | |||||||
2003 | 0.00 | c | 0.09 | 0.30 | 3.00 | a | 0.34 | 2.02 | c | 0.67 | 1.38 | 0.84 | 1.00 | 0.44 | a | 1.00 | a | 3.00 | i | |||||||
2004 | 0.16 | a | 0.90 | b | 0.90 | 0.24 | j | 2.50 | h | 0.17 | 1.20 | 0.62 | n | 1.10 | a | 1.96 | 0.00 | 0.50 | ----- | z | ||||||
2005 | 1.00 | a | 0.20 | 0.00 | o | 0.54 | h | ----- | z | ----- | z | 0.23 | 1.40 | o | 0.78 | d | 1.85 | n | 0.93 | f | 0.00 | ----- | z | |||
2006 | 0.25 | d | 0.04 | j | 0.95 | x | 0.21 | r | 1.02 | 0.61 | n | 0.70 | o | 1.34 | g | 0.40 | 0.82 | n | 0.26 | 0.07 | v | ----- | z | |||
2007 | 0.00 | e | 0.32 | 0.68 | v | 0.52 | k | 0.84 | l | 1.35 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | 0.10 | e | 1.51 | 0.70 | m | 1.65 | k | 1.44 | h | 0.35 | 1.55 | 0.07 | j | 0.03 | r | ----- | z | ----- | z | |||
2012 | 0.37 | q | 0.11 | t | 1.12 | j | 1.01 | k | 1.15 | g | 0.76 | b | 0.85 | m | 1.15 | l | ----- | z | 1.08 | 0.23 | 0.05 | ----- | z | |||
2013 | 0.37 | ----- | z | 0.35 | 0.33 | 1.00 | ----- | z | 1.18 | ----- | z | 0.64 | 0.95 | 0.39 | 0.27 | ----- | z | |||||||||
2014 | 0.15 | p | 0.25 | 0.34 | 0.74 | 1.11 | 2.00 | c | 1.33 | 1.38 | 1.12 | 0.44 | 0.02 | 0.00 | 2.00 | s | ||||||||||
2015 | 0.23 | 0.26 | 0.10 | 0.21 | 2.70 | 0.77 | 0.44 | 0.65 | 0.84 | 0.65 | 1.07 | 0.22 | 2.70 | |||||||||||||
2016 | 0.17 | 0.10 | 0.32 | 0.66 | 0.45 | 0.76 | 0.70 | 1.45 | 1.03 | 0.26 | 0.15 | 0.35 | 1.45 | |||||||||||||
2017 | 0.31 | 0.46 | 0.16 | 0.30 | 0.60 | 1.02 | 0.40 | 1.21 | 1.21 | 0.75 | 0.10 | 0.28 | 1.21 | |||||||||||||
2018 | 0.15 | 0.15 | 0.25 | 0.10 | 1.02 | 1.59 | 0.52 | 0.45 | 1.42 | 0.75 | 0.16 | 0.38 | 1.59 | |||||||||||||
2019 | 0.22 | 0.31 | 0.51 | 0.24 | 1.13 | 2.80 | 1.90 | ----- | z | 0.88 | 1.14 | 0.30 | 0.39 | ----- | z | |||||||||||
2020 | 0.30 | 0.03 | 0.07 | 0.35 | 0.43 | 1.58 | 0.79 | 2.80 | 0.36 | 0.35 | 0.01 | 0.13 | 2.80 | |||||||||||||
2021 | 0.05 | 0.00 | 0.05 | 0.74 | 0.61 | 0.32 | 0.21 | 0.90 | 2.40 | 1.08 | 0.38 | 0.34 | 2.40 | |||||||||||||
2022 | 0.08 | 0.19 | 0.12 | 1.72 | 1.27 | 1.84 | 0.60 | 2.05 | 0.35 | 0.29 | 0.42 | 0.37 | 2.05 | |||||||||||||
2023 | 0.04 | 0.05 | 0.41 | 0.28 | ----- | z | 1.56 | 1.24 | 0.69 | 0.46 | 0.65 | 0.22 | 0.52 | ----- | z | |||||||||||
2024 | 0.12 | 0.62 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.26 | 0.24 | 0.39 | 0.60 | 0.98 | 1.32 | 1.34 | 1.30 | 0.93 | 0.77 | 0.42 | 0.28 | 2.19 | |||||||||||||
S.D. | 0.24 | 0.27 | 0.30 | 0.47 | 0.79 | 0.79 | 1.16 | 0.76 | 0.59 | 0.54 | 0.35 | 0.24 | 0.93 | |||||||||||||
SKEW | 1.73 | 2.33 | 2.45 | 2.35 | 2.00 | 1.08 | 3.69 | 1.03 | 0.92 | 0.92 | 1.85 | 2.36 | 1.32 | |||||||||||||
MAX | 1.00 | 1.50 | 2.00 | 3.00 | 4.34 | 3.79 | 8.20 | 4.07 | 2.62 | 2.27 | 2.00 | 1.47 | 5.31 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.06 | 0.08 | 0.17 | 0.21 | 0.22 | 0.08 | 0.06 | 0.00 | 0.00 | 1.04 | |||||||||||||
YRS | 70 | 69 | 72 | 71 | 69 | 72 | 69 | 69 | 73 | 69 | 72 | 69 | 45 |