YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1942 | 0.10 | 0.25 | 0.10 | 1.60 | i | 0.00 | 0.50 | 0.38 | 4.30 | 1.10 | 0.80 | 0.00 | 0.30 | 4.30 | i | |||||||||||
1943 | 0.05 | 0.00 | 0.50 | 0.00 | 0.87 | 1.02 | ----- | z | 0.06 | 0.08 | 0.00 | 0.17 | ----- | z | ----- | z | ||||||||||
1944 | 0.05 | 0.00 | 0.10 | 0.00 | 0.25 | 0.09 | 0.30 | 0.89 | 0.65 | 1.25 | 0.17 | 0.25 | b | 1.25 | b | |||||||||||
1945 | 0.28 | 0.03 | 0.02 | a | 0.10 | 0.25 | 0.00 | 0.51 | 1.10 | 0.54 | 0.28 | 0.00 | 0.04 | 1.10 | a | |||||||||||
1946 | 0.16 | 0.03 | 0.20 | 0.23 | 0.00 | 0.60 | 0.72 | 0.28 | 0.76 | 0.45 | 0.21 | 0.41 | 0.76 | |||||||||||||
1947 | 0.31 | c | 0.00 | 0.42 | 0.47 | 0.60 | 0.00 | 0.44 | 0.27 | a | 0.11 | f | 0.38 | g | 0.33 | j | 0.31 | l | ----- | z | ||||||
1948 | 0.35 | 0.82 | 0.40 | 0.20 | 0.31 | 0.60 | 1.10 | 1.60 | 0.37 | 0.30 | 0.10 | 0.17 | 1.60 | |||||||||||||
1949 | 0.56 | a | 0.10 | 0.00 | 0.23 | 1.25 | 0.41 | 0.98 | 1.29 | 0.70 | 0.26 | 0.28 | 0.12 | 1.29 | a | |||||||||||
1950 | 0.00 | 0.22 | 0.00 | 0.00 | 0.16 | 0.80 | 0.80 | 0.48 | 0.32 | 0.24 | 0.00 | 0.05 | 0.80 | |||||||||||||
1951 | 0.18 | 0.20 | 0.11 | 0.14 | 0.28 | 0.27 | 0.38 | 0.76 | 0.00 | 0.56 | 0.15 | 0.67 | 0.76 | |||||||||||||
1952 | 0.13 | 0.16 | 0.20 | 0.21 | 0.15 | 0.95 | 1.04 | 1.70 | 1.34 | 0.00 | 0.53 | 0.11 | 1.70 | |||||||||||||
1953 | 0.14 | 0.12 | 0.07 | 0.10 | 0.38 | 1.09 | 0.63 | 0.25 | 0.00 | 0.30 | 0.55 | 0.18 | a | 1.09 | a | |||||||||||
1954 | 0.03 | 0.00 | 0.10 | 0.29 | 0.37 | 0.22 | 0.50 | 0.72 | 0.68 | 2.78 | 0.00 | 0.00 | 2.78 | |||||||||||||
1955 | 0.07 | 0.06 | 0.05 | 0.30 | 0.08 | 0.00 | 1.37 | 1.44 | 1.08 | 0.36 | 0.00 | 0.11 | 1.44 | |||||||||||||
1956 | 0.01 | 0.36 | 0.00 | 0.00 | 0.20 | 0.27 | 1.12 | 0.40 | 0.10 | 0.00 | 0.12 | 0.03 | 1.12 | |||||||||||||
1957 | 0.00 | 0.42 | 0.91 | 0.25 | 0.92 | 0.07 | 0.46 | 1.37 | 0.20 | 0.93 | 0.34 | 0.00 | 1.37 | |||||||||||||
1958 | 0.78 | 0.06 | 1.08 | 0.48 | 0.14 | 1.11 | 1.27 | 1.52 | a | 1.77 | 0.84 | 0.00 | 0.55 | 1.77 | a | |||||||||||
1959 | 0.01 | 0.08 | 0.02 | 0.35 | 2.20 | 1.04 | 0.14 | 0.36 | 0.02 | 0.51 | 0.00 | 0.98 | 2.20 | |||||||||||||
1960 | 0.35 | 0.07 | 0.12 | 0.00 | 0.62 | 0.80 | 1.37 | 0.10 | 0.24 | 3.00 | 0.00 | 0.47 | 3.00 | |||||||||||||
1961 | 0.21 | 0.02 | 0.41 | 0.51 | 0.15 | 2.21 | 0.62 | 0.37 | 0.75 | 0.73 | 0.40 | 0.45 | 2.21 | |||||||||||||
1962 | 0.19 | 0.00 | 0.15 | 0.13 | 0.00 | 0.99 | 1.54 | 0.17 | 0.70 | 0.07 | 1.04 | 0.31 | 1.54 | |||||||||||||
1963 | 0.21 | 0.69 | 0.06 | 0.17 | 0.18 | 0.57 | 0.27 | 0.74 | b | 0.37 | 0.37 | 0.00 | 0.00 | 0.74 | b | |||||||||||
1964 | 0.15 | 0.48 | 0.23 | 0.00 | 0.18 | 0.10 | 0.40 | 0.45 | 0.37 | 0.00 | 0.34 | 0.13 | 0.48 | |||||||||||||
1965 | 0.00 | 0.38 | 0.20 | 0.44 | 2.69 | 1.00 | 0.49 | 0.43 | 1.51 | 0.20 | 0.00 | 0.30 | 2.69 | |||||||||||||
1966 | 0.41 | 0.00 | 0.00 | 0.10 | 0.69 | 0.81 | 0.70 | 2.20 | 0.71 | 0.00 | 0.00 | 0.25 | 2.20 | |||||||||||||
1967 | 0.00 | 0.12 | 0.06 | 0.00 | 0.00 | 1.29 | 0.89 | 0.84 | 0.30 | 0.14 | 0.46 | 0.28 | 1.29 | |||||||||||||
1968 | 0.38 | 0.29 | 0.95 | 0.38 | 0.51 | 0.02 | 1.56 | 0.87 | 0.33 | 0.44 | 0.25 | 0.00 | 1.56 | |||||||||||||
1969 | 0.00 | 0.74 | 0.25 | 0.34 | 0.53 | 1.97 | 0.78 | 0.97 | 1.76 | 1.40 | 0.21 | 0.57 | 1.97 | |||||||||||||
1970 | 0.00 | 0.00 | 0.20 | 1.15 | 0.30 | 0.40 | 1.16 | 0.52 | 1.60 | 0.27 | 0.06 | 0.00 | 1.60 | |||||||||||||
1971 | 0.91 | 0.45 | 0.35 | 0.31 | 0.17 | 0.11 | 0.69 | 2.51 | 0.90 | 0.85 | 0.65 | 0.57 | 2.51 | |||||||||||||
1972 | 0.10 | 0.08 | 0.00 | 0.00 | 1.75 | 0.58 | 1.45 | 2.76 | 0.96 | 0.92 | 0.50 | ----- | z | ----- | z | |||||||||||
1973 | 0.70 | a | 0.54 | 0.61 | 0.33 | 0.52 | 0.32 | 1.47 | 0.53 | h | 0.14 | a | 0.38 | 0.00 | 0.08 | 1.47 | j | |||||||||
1974 | ----- | z | 0.05 | 0.00 | a | 0.05 | 0.00 | 0.65 | 0.61 | 0.27 | 0.73 | 0.92 | 0.29 | 0.36 | ----- | z | ||||||||||
1975 | 0.20 | 0.47 | 0.30 | 0.14 | 0.11 | 0.11 | 1.60 | 0.51 | 1.90 | 0.00 | 0.52 | 0.09 | 1.90 | |||||||||||||
1976 | 0.03 | v | ----- | z | 0.00 | 0.65 | 0.77 | 0.82 | 1.17 | 0.52 | 2.43 | 0.34 | 0.17 | 0.00 | ----- | z | ||||||||||
1977 | 0.17 | 0.41 | 0.25 | 0.90 | 0.29 | 0.31 | 0.66 | 2.85 | 0.43 | 2.51 | 0.76 | 0.00 | 2.85 | |||||||||||||
1978 | 0.29 | 0.20 | 0.46 | 0.27 | 1.83 | 1.78 | 0.41 | 0.79 | 0.61 | 0.70 | 0.92 | 0.40 | 1.83 | |||||||||||||
1979 | 0.45 | 0.35 | 0.29 | 0.49 | 0.89 | 1.21 | 0.81 | ----- | z | 0.53 | 0.85 | 0.12 | 0.30 | ----- | z | |||||||||||
1980 | ----- | z | 0.48 | 0.02 | 0.35 | 0.50 | 0.00 | 0.14 | 1.42 | 1.83 | 0.03 | 0.25 | 0.21 | ----- | z | |||||||||||
1981 | 0.16 | 0.00 | 0.84 | 0.17 | 1.04 | 0.28 | 1.23 | 1.50 | 0.51 | 0.75 | a | 0.22 | 0.00 | 1.50 | a | |||||||||||
1982 | 0.37 | 0.10 | ----- | z | 0.03 | 0.55 | 0.13 | b | 0.38 | e | 0.83 | 1.32 | 1.20 | 1.22 | f | 0.33 | d | ----- | z | |||||||
1983 | 0.44 | 0.33 | 0.51 | 0.48 | 0.23 | 0.15 | 0.31 | 0.13 | 0.47 | 0.71 | b | 0.41 | 0.21 | c | 0.71 | e | ||||||||||
1984 | 0.24 | 0.13 | 0.21 | 0.00 | c | 1.34 | a | 0.73 | a | 0.26 | 1.25 | a | 0.41 | a | 0.77 | 1.38 | c | 0.30 | 1.38 | j | ||||||
1985 | 0.35 | 0.06 | 0.71 | 1.50 | a | 0.65 | c | 1.00 | 0.81 | a | 0.87 | d | 0.59 | b | 3.70 | a | 0.15 | b | 0.17 | 3.70 | n | |||||
1986 | 0.32 | 0.98 | b | 0.53 | 0.10 | 1.25 | b | 1.78 | b | 1.14 | 1.90 | 1.05 | 0.89 | 0.69 | a | 0.61 | 1.90 | g | ||||||||
1987 | 0.73 | a | 0.73 | c | 0.24 | d | 0.36 | 0.70 | 0.54 | a | 0.15 | a | 1.74 | 0.95 | 0.11 | a | 0.33 | 0.72 | 1.74 | k | ||||||
1988 | 0.08 | 0.23 | 0.00 | 0.97 | 0.57 | 1.12 | 0.65 | a | 0.40 | 1.15 | 0.30 | 0.20 | 0.91 | 1.15 | a | |||||||||||
1989 | 0.00 | a | 0.31 | 0.24 | a | 0.44 | 0.30 | 0.25 | 0.72 | 1.73 | b | 0.10 | 0.00 | 0.07 | 0.22 | b | 1.73 | f | ||||||||
1990 | 0.40 | 0.66 | 0.38 | 0.28 | a | 0.90 | 0.00 | 1.17 | 1.47 | d | 0.48 | a | 0.59 | ----- | z | 0.32 | ----- | z | ||||||||
1991 | 0.51 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | a | 2.51 | 0.84 | a | 1.72 | 0.31 | b | 1.05 | 0.54 | 2.51 | d | |||||||||
1992 | 0.57 | 0.00 | 0.35 | 0.61 | 0.91 | b | 0.97 | d | 0.31 | 0.22 | a | 0.10 | 0.00 | 0.51 | 0.58 | a | 0.97 | h | ||||||||
1993 | 0.29 | a | 0.25 | a | 0.70 | a | 0.12 | 0.41 | 0.68 | 0.60 | 1.10 | b | 1.30 | a | 0.52 | 0.60 | 0.00 | 1.30 | f | |||||||
1994 | 0.00 | c | 0.00 | 0.83 | 0.00 | b | 1.80 | 0.13 | 0.56 | c | 0.72 | 0.36 | 1.06 | 0.00 | b | 0.51 | 1.80 | j | ||||||||
1995 | 0.24 | 0.00 | 0.23 | 0.28 | 0.78 | 0.40 | 1.83 | 0.49 | 1.10 | 0.00 | 0.00 | 0.60 | 1.83 | |||||||||||||
1996 | 0.05 | 0.95 | 0.00 | 0.00 | 0.00 | 1.70 | 0.85 | 0.43 | h | 0.85 | 0.45 | 0.00 | 0.00 | i | 1.70 | q | ||||||||||
1997 | 0.50 | d | 0.35 | 0.10 | c | 2.65 | c | 0.92 | 1.50 | b | 0.00 | e | 0.00 | n | 0.85 | d | 0.40 | 0.00 | f | 1.80 | g | ----- | z | |||
1998 | 0.00 | a | 0.35 | a | 0.80 | i | 0.60 | a | 0.00 | ----- | z | 0.67 | 0.48 | 0.07 | d | 2.30 | 0.00 | 0.60 | ----- | z | ||||||
1999 | ----- | z | 0.00 | 1.20 | g | 4.00 | e | 0.98 | 0.82 | ----- | z | 0.00 | r | 0.00 | g | 0.00 | 0.00 | 0.00 | g | ----- | z | |||||
2000 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 1.87 | 0.00 | 0.00 | 0.00 | 2.40 | b | 0.00 | c | 0.64 | 2.40 | e | ||||||||||
2001 | 0.84 | d | 0.37 | 2.26 | 0.00 | 0.00 | 0.85 | 0.06 | 0.65 | b | 0.53 | 0.25 | 1.00 | 0.30 | 2.26 | f | ||||||||||
2002 | 0.55 | a | 0.00 | 0.33 | 0.57 | 0.00 | 0.57 | 1.34 | 1.27 | 2.90 | 1.30 | a | 0.00 | 0.40 | b | 2.90 | d | |||||||||
2003 | 0.00 | 0.11 | a | 0.32 | 0.00 | 0.00 | 0.85 | 0.00 | 0.50 | 0.16 | 0.52 | 0.30 | 0.05 | 0.85 | a | |||||||||||
2004 | 0.40 | 2.00 | b | 0.00 | b | 1.56 | 0.00 | 0.52 | b | 0.60 | b | ----- | z | 1.10 | b | 2.79 | a | 0.45 | g | 0.60 | e | ----- | z | |||
2005 | 0.46 | c | 0.87 | a | 0.81 | a | 0.30 | 1.32 | e | 0.52 | 0.75 | 0.77 | b | 1.38 | 0.33 | 0.00 | 0.00 | 1.38 | l | |||||||
2006 | 0.00 | 0.00 | 0.10 | 0.40 | 0.20 | 0.03 | 0.30 | 0.60 | a | 0.61 | 0.45 | 0.01 | 1.01 | b | 1.01 | c | ||||||||||
2007 | 0.87 | 0.08 | 0.45 | 0.28 | 0.62 | 0.50 | 1.05 | a | 0.30 | 0.35 | 0.00 | a | 0.08 | 0.30 | 1.05 | b | ||||||||||
2008 | 0.02 | 0.25 | 0.25 | 0.00 | 0.77 | 0.00 | 1.08 | 0.50 | 0.65 | 0.72 | 0.25 | 0.05 | 1.08 | |||||||||||||
2009 | ----- | z | 0.00 | 0.25 | 0.18 | 0.20 | 0.58 | a | 0.83 | 0.38 | 0.29 | 0.55 | 0.50 | 0.16 | ----- | z | ||||||||||
2010 | 0.58 | 0.52 | 0.70 | 0.68 | 0.60 | 0.75 | 0.81 | 1.19 | 0.69 | 0.98 | 0.01 | e | 0.15 | 1.19 | e | |||||||||||
2011 | 0.00 | 0.06 | y | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ||||||
2012 | 0.00 | ----- | z | ----- | z | 0.00 | 0.00 | 0.00 | 1.39 | 0.60 | 0.00 | a | 0.00 | ----- | z | ----- | z | ----- | z | |||||||
2013 | 0.00 | c | ----- | z | ----- | z | 0.00 | 0.00 | ----- | z | 1.10 | 0.27 | 3.90 | 0.31 | 0.12 | 0.60 | ----- | z | ||||||||
2014 | 0.00 | ----- | z | 0.00 | 0.00 | 1.67 | 0.00 | 0.73 | d | ----- | z | 1.51 | 0.26 | ----- | z | 0.00 | ----- | z | ||||||||
2015 | 0.52 | 0.00 | b | 0.34 | 0.17 | 0.70 | 1.43 | 1.87 | 0.43 | 0.00 | 1.56 | 0.00 | 0.30 | d | 1.87 | f | ||||||||||
2016 | 0.50 | 0.00 | 0.00 | ----- | z | ----- | z | 0.44 | ----- | z | 0.56 | 0.62 | 0.00 | 1.93 | 0.28 | ----- | z | |||||||||
2017 | 0.51 | 0.00 | 0.98 | 1.05 | ----- | z | 0.98 | 1.85 | 0.61 | 0.66 | 4.43 | 0.00 | 0.00 | u | ----- | z | ||||||||||
2018 | 0.00 | 0.00 | 0.00 | 0.00 | 2.10 | 0.28 | 0.34 | 0.32 | 1.15 | 0.99 | 0.00 | 0.40 | 2.10 | |||||||||||||
2019 | 0.00 | 0.00 | 0.15 | 0.58 | 0.44 | 0.40 | 1.33 | 0.36 | 0.80 | 0.50 | 0.40 | 0.22 | 1.33 | |||||||||||||
2020 | 0.22 | 0.25 | 0.36 | 0.24 | 0.00 | 0.17 | 0.72 | 0.38 | 0.33 | 0.27 | 0.05 | 0.05 | 0.72 | |||||||||||||
2021 | 0.18 | 0.04 | 0.37 | 0.38 | 0.67 | 1.41 | 0.76 | 2.10 | 0.66 | 0.67 | 0.00 | 0.00 | 2.10 | |||||||||||||
2022 | 0.04 | 0.07 | 0.05 | 0.00 | 0.30 | 0.93 | 0.37 | 2.01 | 0.45 | 0.85 | 0.52 | 0.57 | 2.01 | |||||||||||||
2023 | 0.21 | 0.06 | 0.00 | 0.00 | 0.89 | 1.21 | 1.90 | 0.49 | 0.30 | 0.38 | 0.12 | 0.75 | 1.90 | |||||||||||||
2024 | 0.15 | 0.40 | 0.00 | 0.00 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.25 | 0.25 | 0.29 | 0.36 | 0.57 | 0.64 | 0.82 | 0.92 | 0.78 | 0.73 | 0.27 | 0.30 | 1.63 | |||||||||||||
S.D. | 0.24 | 0.33 | 0.36 | 0.59 | 0.58 | 0.54 | 0.52 | 0.77 | 0.68 | 0.87 | 0.36 | 0.26 | 0.66 | |||||||||||||
SKEW | 0.90 | 2.51 | 2.57 | 3.94 | 1.45 | 0.80 | 0.70 | 1.78 | 1.85 | 2.19 | 2.09 | 0.72 | 0.37 | |||||||||||||
MAX | 0.91 | 2.00 | 2.26 | 4.00 | 2.69 | 2.21 | 2.51 | 4.30 | 3.90 | 4.43 | 1.93 | 1.01 | 3.00 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.48 | |||||||||||||
YRS | 78 | 78 | 78 | 80 | 80 | 80 | 78 | 74 | 79 | 80 | 75 | 73 | 45 |