YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1930 | ----- | z | 0.00 | 0.03 | 0.33 | 0.90 | ----- | z | 0.47 | 1.68 | 0.00 | ----- | z | 0.92 | ----- | z | 4.33 | d | ||||||||
1931 | 1.29 | 0.56 | 0.17 | 4.81 | 1.00 | 0.22 | ----- | z | 1.45 | ----- | z | 0.53 | 1.45 | 2.04 | 13.52 | b | ||||||||||
1932 | 0.46 | 2.00 | 0.69 | 0.13 | 1.72 | 1.33 | 0.00 | 1.72 | 8.55 | 1.58 | 0.00 | 1.25 | 19.43 | |||||||||||||
1933 | 0.07 | 1.46 | 0.07 | 0.12 | 0.12 | 1.28 | 3.42 | 1.01 | 4.88 | 0.65 | 0.19 | ----- | z | 13.27 | a | |||||||||||
1934 | 0.04 | 0.00 | 0.58 | 0.27 | 1.37 | 0.38 | 0.23 | 1.73 | 0.24 | 1.09 | 0.07 | ----- | z | 6.00 | a | |||||||||||
1935 | 0.12 | 0.56 | 0.00 | 1.14 | 1.58 | 2.71 | 0.54 | 1.86 | 5.30 | 0.39 | 0.88 | 0.56 | 15.64 | |||||||||||||
1936 | 0.71 | 0.00 | 0.11 | 0.06 | 3.77 | 0.66 | 1.79 | x | 0.88 | 3.08 | 0.69 | 0.45 | 0.29 | 10.70 | a | |||||||||||
1937 | 0.01 | a | 0.24 | 1.47 | 0.07 | 2.86 | 0.03 | 0.15 | 2.01 | 2.04 | 1.99 | 0.31 | 0.59 | 11.77 | ||||||||||||
1938 | 0.97 | a | 0.28 | 0.00 | ----- | z | 0.25 | 3.93 | q | 2.06 | t | 0.64 | 3.20 | 0.90 | 0.02 | 0.30 | 6.56 | c | ||||||||
1939 | 0.29 | a | 0.18 | 0.76 | ----- | z | 0.64 | 1.01 | y | 2.27 | n | 1.65 | 0.20 | 2.02 | 0.39 | 0.30 | 6.43 | c | ||||||||
1940 | 0.29 | 0.46 | 0.00 | 0.42 | 2.74 | 3.60 | 0.43 | 3.30 | 0.13 | 4.29 | 1.39 | 0.14 | 17.19 | |||||||||||||
1941 | 0.68 | 0.68 | 3.59 | 1.96 | x | 10.82 | n | 3.29 | 4.12 | 1.76 | 12.30 | 2.51 | 0.71 | 0.90 | 30.54 | b | ||||||||||
1942 | 0.37 | 0.19 | 0.07 | 1.40 | 0.37 | 2.35 | ----- | z | 5.69 | 2.48 | 1.79 | 0.04 | 1.45 | 16.20 | a | |||||||||||
1943 | 0.04 | 0.00 | 0.03 | 0.23 | 0.80 | 2.12 | 5.96 | 0.10 | 1.03 | ----- | z | 0.30 | 1.36 | 11.97 | a | |||||||||||
1944 | 0.75 | 0.74 | 0.04 | 0.06 | 0.59 | 3.62 | s | 0.99 | 4.72 | 5.01 | 0.18 | 1.37 | 0.53 | 14.98 | a | |||||||||||
1945 | 0.62 | 0.10 | 0.15 | 0.40 | 0.47 | 0.41 | 4.34 | 2.87 | 1.02 | 3.74 | 0.00 | 0.25 | 14.37 | |||||||||||||
1946 | 1.05 | 0.00 | 0.20 | 0.04 | 0.61 | 0.94 | 2.21 | 3.89 | 6.14 | 2.44 | 0.34 | 0.57 | 18.43 | |||||||||||||
1947 | 0.91 | 0.00 | 0.34 | 0.40 | 1.00 | 0.92 | 0.42 | 0.98 | q | 1.01 | s | ----- | z | 0.54 | v | 0.50 | w | 3.99 | e | |||||||
1948 | 0.28 | 1.10 | 0.04 | 0.14 | 2.53 | 2.43 | 1.57 | 0.69 | 0.16 | 0.23 | a | 0.00 | 0.44 | 9.61 | ||||||||||||
1949 | 2.37 | 0.35 | 0.32 | 0.76 | 1.67 | 1.63 | 2.92 | 1.30 | 4.85 | 1.00 | 0.00 | e | 0.52 | 17.69 | ||||||||||||
1950 | 0.00 | 0.23 | 0.00 | 0.19 | 0.34 | 1.15 | 4.39 | 1.70 | 2.60 | 2.30 | 0.00 | 0.00 | 12.90 | |||||||||||||
1951 | 0.08 | 0.30 | 1.48 | 0.09 | 0.55 | 0.24 | 0.51 | 0.61 | 0.30 | 0.21 | 0.07 | 0.03 | 4.47 | |||||||||||||
1952 | 0.09 | 0.10 | 0.13 | 1.14 | 0.68 | 1.78 | 3.38 | 0.18 | 0.81 | 0.00 | 0.66 | 0.13 | 9.08 | |||||||||||||
1953 | 0.03 | 0.06 | 0.02 | 0.68 | 1.19 | 2.07 | 1.16 | 0.61 | 0.01 | 0.98 | 0.11 | 0.94 | 7.86 | |||||||||||||
1954 | 0.00 | 0.00 | 0.00 | 1.26 | a | 2.04 | 0.31 | 0.65 | 2.90 | 0.16 | 5.12 | 0.00 | 0.14 | 12.58 | ||||||||||||
1955 | 0.77 | 0.04 | 0.25 | 0.13 | 0.31 | 0.86 | 2.72 | 0.40 | 2.86 | 3.11 | 0.34 | 0.30 | 12.09 | |||||||||||||
1956 | 0.07 | 0.30 | 0.00 | 0.08 | 0.61 | 0.98 | 0.95 | 2.91 | 0.00 | 0.25 | 0.00 | 0.22 | 6.37 | |||||||||||||
1957 | 0.13 | 0.53 | 0.69 | 0.57 | 1.14 | 0.21 | 1.48 | 1.79 | 0.62 | 3.65 | ----- | z | 0.00 | 10.81 | a | |||||||||||
1958 | 2.28 | 1.54 | 1.40 | 1.03 | 0.51 | 3.15 | 1.46 | 3.91 | 5.01 | 4.99 | 0.51 | 0.10 | 25.89 | |||||||||||||
1959 | 0.18 | 0.29 | 0.24 | 0.32 | 2.73 | 0.80 | 2.13 | 1.46 | 0.58 | 0.65 | 0.14 | 0.55 | 10.07 | |||||||||||||
1960 | 0.64 | 0.48 | 0.51 | 0.05 | 0.19 | 2.01 | 3.72 | 2.88 | 0.72 | 2.67 | 0.07 | 1.87 | 15.81 | |||||||||||||
1961 | 1.31 | 0.10 | 0.20 | 0.06 | 2.02 | 1.29 | 1.03 | 1.45 | 1.13 | 2.02 | 1.22 | 0.04 | 11.87 | |||||||||||||
1962 | 0.84 | 0.26 | 0.24 | 0.46 | 0.23 | 0.51 | 4.41 | 0.59 | 5.18 | 1.22 | 0.47 | 0.43 | 14.84 | |||||||||||||
1963 | 0.21 | 0.31 | 0.07 | 2.66 | 1.20 | 2.29 | 0.81 | 8.18 | 0.17 | 0.33 | 0.09 | 0.30 | 16.62 | |||||||||||||
1964 | 0.06 | 0.29 | 0.11 | 0.00 | 0.52 | 1.66 | 0.53 | 0.53 | 2.07 | 0.17 | 0.10 | 0.21 | 6.25 | |||||||||||||
1965 | 0.01 | 0.32 | 0.22 | 0.05 | 5.11 | 0.79 | 1.16 | 0.86 | 5.89 | 0.00 | 1.24 | 1.13 | 16.78 | |||||||||||||
1966 | 0.52 | 0.04 | 0.24 | 1.33 | 0.44 | 1.91 | 0.04 | 11.71 | 2.84 | 0.18 | 0.00 | 0.00 | 19.25 | |||||||||||||
1967 | 0.00 | 0.08 | 0.06 | 0.11 | 0.05 | 3.86 | 1.58 | 0.45 | 0.95 | 0.03 | 0.30 | 0.77 | 8.24 | |||||||||||||
1968 | 1.42 | 0.86 | 1.67 | 0.32 | 2.10 | 0.12 | 4.68 | 2.94 | 0.05 | 0.15 | 2.20 | 0.01 | 16.52 | |||||||||||||
1969 | 0.00 | 0.16 | 0.83 | 0.32 | 0.18 | 0.20 | 1.49 | 1.19 | 0.78 | 4.03 | 0.58 | 1.24 | 11.00 | |||||||||||||
1970 | 0.07 | 0.88 | 1.01 | 0.00 | 0.45 | 1.38 | 1.73 | 1.84 | 4.07 | 1.75 | 0.00 | 0.10 | 13.28 | |||||||||||||
1971 | 0.26 | 0.18 | 0.03 | 0.34 | 0.68 | 0.21 | 2.55 | 2.56 | 2.06 | 0.31 | 0.09 | 1.02 | 10.29 | |||||||||||||
1972 | 0.58 | 0.00 | 0.00 | 0.00 | 1.59 | 0.55 | 2.15 | 4.48 | 5.11 | 1.78 | 0.58 | 0.02 | 16.84 | |||||||||||||
1973 | 1.46 | 2.27 | 0.04 | 0.06 | 0.81 | 0.54 | 3.03 | 0.55 | 4.85 | 1.19 | 0.01 | 0.00 | 14.81 | |||||||||||||
1974 | 0.49 | 0.00 | 0.10 | 0.05 | 0.60 | 0.23 | 0.58 | 6.71 | 10.30 | 2.66 | 0.28 | 0.74 | 22.74 | |||||||||||||
1975 | 0.50 | 1.24 | 0.26 | 0.18 | 1.06 | 1.02 | 3.11 | 0.99 | 3.17 | 0.04 | 0.05 | 0.76 | 12.38 | |||||||||||||
1976 | 0.26 | 0.01 | 0.11 | 1.17 | 2.38 | 0.78 | 5.15 | 0.20 | 6.40 | 1.33 | 1.04 | 0.00 | 18.83 | |||||||||||||
1977 | 0.47 | 0.13 | 1.28 | 1.56 | 1.69 | 0.92 | 0.28 | 1.12 | 0.20 | 2.74 | 0.09 | 0.00 | 10.48 | |||||||||||||
1978 | 0.15 | 0.61 | 0.47 | 0.51 | 1.86 | 2.56 | 1.01 | 1.88 | 12.37 | 1.31 | 1.40 | 0.57 | 24.70 | |||||||||||||
1979 | 0.32 | 0.21 | 0.12 | 0.02 | 1.64 | 2.09 | 3.50 | 3.50 | 0.89 | 0.02 | 0.00 | 0.63 | 12.94 | |||||||||||||
1980 | 0.43 | 0.59 | 0.04 | 0.41 | 1.12 | 0.13 | 1.11 | 3.52 | 8.72 | 0.06 | 0.33 | b | 0.19 | 16.65 | ||||||||||||
1981 | 1.49 | 0.34 | 0.55 | 1.79 | 1.54 | 0.33 | 4.12 | 5.94 | 3.00 | 1.03 | 0.00 | 0.00 | 20.13 | |||||||||||||
1982 | 0.44 | 0.22 | 0.02 | ----- | z | 2.60 | a | 1.45 | c | 5.05 | 1.93 | 1.22 | 1.52 | 1.01 | b | 1.37 | a | 16.83 | a | |||||||
1983 | 0.39 | 0.45 | 0.36 | 0.68 | 0.29 | 0.79 | b | 1.11 | a | 0.66 | 4.19 | 3.65 | 1.19 | 0.21 | 13.97 | |||||||||||
1984 | 0.29 | 0.01 | 0.20 | a | 0.02 | 2.42 | a | 7.74 | 1.08 | 7.07 | 0.98 | 2.98 | 0.84 | 0.85 | a | 24.48 | ||||||||||
1985 | 0.45 | b | 0.81 | 0.60 | 1.87 | 2.51 | 0.60 | a | 0.98 | b | 0.45 | 5.16 | 3.23 | 0.80 | 0.00 | 17.46 | ||||||||||
1986 | 0.01 | 0.44 | 0.07 | d | 0.00 | 2.25 | 16.93 | 0.65 | 2.03 | c | 3.78 | 3.42 | 1.62 | 1.81 | 33.01 | |||||||||||
1987 | 0.15 | 2.44 | 0.85 | 0.95 | a | 4.67 | 5.08 | 0.89 | a | 2.03 | 4.92 | 0.47 | 0.35 | 0.82 | 23.62 | |||||||||||
1988 | 0.01 | 0.80 | 0.09 | 0.34 | 0.42 | 0.68 | 4.19 | 5.19 | 4.34 | 0.05 | 0.12 | ----- | z | 16.23 | a | |||||||||||
1989 | 0.00 | 0.65 | 0.04 | 0.13 | 0.19 | 1.33 | 0.52 | 3.83 | 2.61 | 0.00 | 0.00 | 0.36 | 9.66 | |||||||||||||
1990 | 0.11 | 0.17 | 0.18 | 0.60 | 0.58 | 0.10 | 2.70 | 1.82 | 2.01 | 0.05 | ----- | z | 0.11 | 8.43 | a | |||||||||||
1991 | 1.06 | 0.23 | 0.00 | 0.00 | 0.97 | 1.76 | 4.54 | 2.61 | 4.25 | e | 0.08 | 0.40 | b | 3.56 | c | 19.46 | ||||||||||
1992 | 0.71 | 0.88 | 0.14 | 0.83 | 4.93 | 2.30 | 1.76 | 0.86 | 1.58 | 0.22 | 0.18 | 0.23 | 14.62 | |||||||||||||
1993 | 1.01 | 0.13 | 0.02 | 0.69 | 1.04 | 0.76 | 2.46 | 1.72 | 0.68 | a | 1.38 | 0.41 | 0.26 | 10.56 | ||||||||||||
1994 | 0.27 | 0.00 | 0.37 | 0.50 | 2.31 | 1.51 | 0.05 | 1.68 | 1.12 | 2.13 | 0.82 | a | 0.17 | 10.93 | ||||||||||||
1995 | 0.34 | 0.84 | 0.26 | 0.07 | 1.28 | 3.88 | 0.07 | 2.14 | 5.13 | 0.00 | 0.00 | 0.20 | 14.21 | |||||||||||||
1996 | 0.23 | 0.00 | 0.04 | 1.46 | 0.08 | 4.10 | 2.63 | 6.90 | 4.52 | 0.03 | 0.48 | 0.15 | 20.62 | |||||||||||||
1997 | 0.34 | 0.50 | 0.19 | 1.70 | 2.79 | 1.62 | 2.85 | 1.98 | 3.52 | 1.41 | 0.62 | 2.15 | 19.67 | |||||||||||||
1998 | 0.12 | 0.04 | 0.66 | 0.11 | 0.00 | 0.00 | 0.97 | 1.79 | 0.00 | 2.28 | 0.70 | 0.43 | 7.10 | |||||||||||||
1999 | 0.08 | 0.00 | 0.70 | 0.16 | 0.90 | 3.06 | 2.23 | 0.72 | 2.24 | 0.64 | 0.00 | 0.36 | 11.09 | |||||||||||||
2000 | 0.06 | 0.35 | 0.03 | 0.14 | 0.00 | 4.41 | a | 1.77 | 2.48 | a | 0.00 | a | 2.48 | 1.49 | 0.19 | c | 13.40 | |||||||||
2001 | 0.61 | c | 0.29 | 0.81 | ----- | z | 0.10 | 0.21 | 3.40 | 1.06 | 0.07 | 0.14 | 0.84 | 0.37 | 7.90 | a | ||||||||||
2002 | 0.06 | 0.76 | 1.45 | 0.00 | 0.15 | 0.15 | 1.21 | 2.03 | 2.68 | 2.40 | 0.44 | 0.80 | a | 12.13 | ||||||||||||
2003 | 0.00 | 1.39 | 0.60 | 0.00 | 0.62 | 0.58 | 0.73 | 0.54 | 0.40 | 0.74 | d | 0.53 | 0.00 | 6.13 | ||||||||||||
2004 | 0.34 | 0.41 | 1.44 | 2.62 | 0.15 | 1.78 | a | 4.14 | n | 2.39 | 4.24 | k | 2.23 | 4.50 | b | 0.66 | 16.52 | b | ||||||||
2005 | 0.45 | 1.41 | 0.47 | 0.00 | t | 1.90 | c | 0.00 | 0.40 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.63 | f | |||||
2006 | ----- | z | 0.24 | 1.61 | ----- | z | 2.78 | 1.92 | 0.98 | b | ----- | z | 5.04 | 1.47 | 0.08 | 0.13 | 14.25 | c | ||||||||
2007 | 0.85 | b | ----- | z | 1.47 | 1.14 | 5.09 | ----- | z | 3.40 | 2.40 | ----- | z | ----- | z | 0.43 | ----- | z | 14.78 | e | ||||||
2008 | ----- | z | 0.00 | 0.07 | a | 0.00 | 2.41 | 1.44 | 3.65 | 1.53 | 3.48 | 0.52 | 0.02 | 0.22 | 13.34 | a | ||||||||||
2009 | 0.00 | 0.00 | a | 0.25 | 0.94 | 2.14 | a | 1.05 | 5.06 | 0.66 | 0.96 | 0.91 | 0.12 | 1.19 | 13.28 | |||||||||||
2010 | 1.03 | 1.66 | 0.45 | 1.08 | 0.10 | 0.70 | 8.87 | 3.06 | 6.64 | 0.50 | 0.00 | 0.03 | 24.12 | |||||||||||||
2011 | 0.00 | 0.16 | 0.00 | 0.00 | 0.00 | 0.02 | 0.29 | 0.94 | 2.38 | 0.48 | 0.09 | 2.38 | 6.74 | |||||||||||||
2012 | 0.28 | 0.03 | 0.04 | 0.41 | 2.54 | 0.07 | 2.27 | 0.00 | s | 2.90 | b | 0.00 | n | 0.10 | 0.00 | x | 8.64 | c | ||||||||
2013 | 0.03 | w | ----- | z | 0.00 | u | 0.00 | 0.00 | 0.11 | d | 5.26 | m | 0.09 | 5.54 | l | 0.30 | b | 0.88 | 0.72 | c | 2.10 | e | ||||
2014 | 0.00 | 0.25 | 0.42 | r | 0.58 | d | 0.00 | e | 0.00 | 0.94 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.77 | f | |||
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2016 | ----- | z | ----- | z | 0.00 | p | 0.48 | d | 0.46 | 0.51 | 0.66 | 7.57 | 2.34 | 0.08 | 2.63 | 0.76 | 15.49 | c | ||||||||
2017 | 0.23 | 0.19 | 0.00 | 0.50 | 0.86 | 1.22 | 1.64 | 3.99 | 3.26 | 0.40 | c | 0.92 | 0.48 | 13.69 | ||||||||||||
2018 | 0.17 | 0.41 | 0.08 | 0.04 | 0.94 | 0.27 | 0.67 | d | 2.08 | 1.91 | 4.61 | 0.52 | 0.39 | k | 11.70 | a | ||||||||||
2019 | 0.00 | y | 0.00 | 1.10 | 0.35 | 0.24 | 0.55 | 1.54 | 0.10 | 2.55 | b | 1.30 | j | 1.10 | a | 0.09 | 7.62 | b | ||||||||
2020 | 0.51 | 1.21 | 3.29 | 0.04 | 0.42 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.05 | h | ||||
2021 | ----- | z | ----- | z | ----- | z | ----- | z | 1.23 | 4.48 | o | 2.34 | 3.97 | p | ----- | z | ----- | z | ----- | z | ----- | z | 3.57 | j | ||
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | s | 2.47 | b | 0.31 | S | 0.18 | e | 2.96 | i |
2023 | 0.50 | S | 0.18 | e | 0.00 | e | 0.00 | S | 1.05 | f | ----- | z | 0.15 | l | 3.47 | d | 1.23 | S | 1.91 | l | 0.76 | n | 0.27 | j | 4.15 | g |
2024 | 0.20 | l | 0.23 | i | 0.25 | f | 0.00 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.44 | 0.45 | 0.44 | 0.55 | 1.29 | 1.55 | 2.04 | 2.34 | 2.94 | 1.41 | 0.53 | 0.56 | 14.70 | |||||||||||||
S.D. | 0.49 | 0.53 | 0.65 | 0.76 | 1.20 | 2.17 | 1.68 | 2.08 | 2.72 | 1.35 | 0.69 | 0.65 | 5.63 | |||||||||||||
SKEW | 1.79 | 1.81 | 2.66 | 2.84 | 1.37 | 4.68 | 1.22 | 1.90 | 1.35 | 0.93 | 2.84 | 2.06 | 0.67 | |||||||||||||
MAX | 2.37 | 2.44 | 3.59 | 4.81 | 5.11 | 16.93 | 8.87 | 11.71 | 12.37 | 5.12 | 4.50 | 3.56 | 33.01 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 4.47 | |||||||||||||
YRS | 85 | 88 | 88 | 84 | 89 | 84 | 83 | 85 | 82 | 82 | 85 | 80 | 61 |