YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1926 | ----- | z | ----- | z | ----- | z | 0.69 | 2.04 | 0.77 | 0.92 | 0.97 | 2.18 | 2.60 | 0.00 | 1.55 | 11.72 | c | |||||||||
1927 | 0.25 | 0.51 | 0.76 | 0.10 | 0.05 | 0.63 | 3.46 | 2.15 | 4.46 | 0.25 | 0.50 | 0.69 | 13.81 | |||||||||||||
1928 | 0.00 | 1.56 | 0.45 | 1.05 | 2.45 | 0.00 | 1.85 | 3.25 | 0.25 | 1.50 | 0.30 | 1.00 | 13.66 | |||||||||||||
1929 | 0.30 | 0.45 | 0.90 | 0.00 | 2.95 | v | 0.11 | 4.15 | 6.30 | 3.65 | 0.65 | 0.40 | 0.12 | 17.03 | a | |||||||||||
1930 | 1.18 | 0.20 | 1.10 | 0.30 | 0.40 | 0.18 | 4.45 | 0.85 | 0.60 | 0.50 | ----- | z | ----- | z | 9.76 | b | ||||||||||
1931 | 0.15 | 1.90 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.05 | j | |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | 0.34 | 4.66 | 2.81 | 0.25 | 0.92 | 0.00 | 1.36 | 11.04 | d | ||||||||
1933 | 0.13 | 1.10 | ----- | z | ----- | z | 0.00 | ----- | z | 0.46 | y | 2.38 | ----- | z | ----- | z | ----- | z | 0.00 | 3.61 | g | |||||
1934 | 0.02 | 0.12 | ----- | z | ----- | z | 0.04 | 0.20 | 1.62 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.00 | g | |||||
1935 | ----- | z | 0.91 | 0.25 | 0.30 | 1.60 | ----- | z | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | 1.55 | 4.81 | f | ||||||
1936 | 1.25 | 0.87 | 0.60 | 0.75 | 1.12 | 0.35 | 0.85 | 2.20 | 3.80 | 0.25 | 0.05 | 0.35 | 12.44 | |||||||||||||
1937 | 0.33 | 0.85 | 0.86 | 0.00 | 2.16 | 2.15 | 3.05 | 1.37 | 3.05 | 2.65 | 0.00 | 0.00 | 16.47 | |||||||||||||
1938 | 0.29 | 0.86 | 0.90 | 0.68 | 0.10 | 1.55 | 2.19 | 1.20 | 1.35 | 0.00 | 0.05 | 0.55 | 9.72 | |||||||||||||
1939 | 0.70 | b | 0.15 | 1.65 | 0.27 | 0.30 | 0.06 | 2.50 | 0.53 | 1.87 | 1.75 | 0.46 | c | 0.27 | b | 10.51 | ||||||||||
1940 | 0.16 | f | 0.76 | 0.20 | 0.48 | 0.74 | 0.81 | 2.46 | 3.11 | 2.86 | 0.41 | 0.85 | 1.45 | 14.13 | a | |||||||||||
1941 | 0.64 | 0.95 | 1.15 | 1.73 | 1.25 | 0.80 | 3.10 | 2.22 | 4.65 | 1.12 | 0.65 | 0.98 | 19.24 | |||||||||||||
1942 | 0.05 | 0.20 | a | 0.00 | 0.35 | 0.00 | 0.20 | 1.08 | 4.04 | 1.15 | 0.55 | 0.00 | 0.55 | 8.17 | ||||||||||||
1943 | 0.75 | 0.17 | a | 0.38 | 0.08 | 0.71 | 2.48 | 0.50 | y | 1.27 | 1.80 | 0.29 | 0.20 | 0.47 | 8.60 | a | ||||||||||
1944 | 0.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.77 | 0.66 | 0.35 | a | 1.88 | h | |||
1945 | 0.17 | 0.00 | 0.08 | 0.00 | 0.02 | 0.11 | 1.48 | 2.88 | 0.16 | 1.14 | 0.00 | 0.29 | 6.33 | |||||||||||||
1946 | 0.75 | 0.00 | 0.32 | ----- | z | 0.08 | 0.14 | 2.55 | 1.84 | 1.16 | 0.34 | 0.07 | 0.25 | 7.50 | a | |||||||||||
1947 | 0.33 | 0.00 | 0.04 | 0.16 | 0.50 | 0.94 | 1.19 | l | 2.47 | 0.71 | 0.20 | 0.00 | 0.34 | 5.69 | a | |||||||||||
1948 | 0.21 | 1.30 | a | 0.81 | c | 0.00 | 0.28 | 0.73 | 0.94 | 3.43 | 0.81 | 1.03 | 0.00 | 0.22 | a | 9.76 | ||||||||||
1949 | 0.40 | 0.02 | 0.10 | 0.18 | 0.55 | 0.85 | 2.13 | 1.43 | 2.80 | 0.41 | 0.05 | 0.40 | 9.32 | |||||||||||||
1950 | 0.07 | 0.15 | 0.44 | 0.11 | 0.00 | 0.03 | 3.22 | a | 1.12 | 1.19 | a | 0.00 | y | 0.00 | 0.03 | 6.36 | a | |||||||||
1951 | 0.46 | 0.12 | 0.26 | 0.47 | 0.04 | 0.00 | 2.28 | 1.96 | a | 0.05 | 0.69 | 0.00 | 1.15 | 7.48 | ||||||||||||
1952 | 0.29 | 0.23 | 0.48 | 1.63 | 0.49 | 1.63 | 1.25 | ----- | z | ----- | z | 0.00 | 0.46 | 0.03 | 6.49 | b | ||||||||||
1953 | 0.00 | 0.63 | 1.22 | 0.52 | 0.01 | 0.60 | 2.19 | 2.36 | 0.00 | 0.16 | a | 0.35 | 0.16 | b | 8.20 | |||||||||||
1954 | 0.12 | 0.14 | 0.64 | 0.12 | 0.87 | 0.55 | 1.48 | 3.38 | 1.75 | 1.32 | 0.00 | ----- | z | 10.37 | a | |||||||||||
1955 | 0.45 | 0.19 | 0.00 | 0.03 | 0.31 | 0.27 | 2.26 | 2.91 | 0.17 | 1.02 | 0.00 | 0.38 | 7.99 | |||||||||||||
1956 | 0.79 | 0.21 | 0.00 | 0.15 | 0.00 | 0.10 | 1.40 | 0.79 | 0.10 | 0.56 | 0.00 | 0.12 | 4.22 | |||||||||||||
1957 | 0.30 | 1.01 | 0.59 | 0.67 | 0.40 | 0.76 | 2.74 | 4.21 | 0.14 | 1.70 | 0.49 | 0.26 | 13.27 | |||||||||||||
1958 | 0.03 | 0.34 | 1.57 | 0.77 | 0.00 | 0.70 | 1.26 | 1.18 | 1.11 | 1.87 | 0.49 | a | 0.00 | 9.32 | ||||||||||||
1959 | 0.12 | 0.24 | 0.08 | 0.34 | 0.00 | 0.24 | 1.41 | 1.39 | 0.00 | 0.40 | d | 0.03 | c | 1.59 | 5.84 | |||||||||||
1960 | 0.35 | 0.19 | 0.00 | 0.00 | 0.10 | 0.25 | d | 0.82 | 0.37 | 1.23 | 1.98 | 0.03 | 0.29 | 5.61 | ||||||||||||
1961 | 0.18 | 0.16 | 0.37 | ----- | z | 0.09 | 0.54 | 4.16 | 1.64 | 1.34 | 1.11 | a | 1.01 | 0.53 | b | 11.13 | a | |||||||||
1962 | 0.58 | 0.00 | 0.09 | 0.06 | ----- | z | 0.20 | 1.26 | 0.57 | 1.69 | 1.35 | 0.68 | a | 1.01 | b | 7.49 | a | |||||||||
1963 | 0.10 | 0.48 | 0.36 | 0.00 | 0.10 | 0.15 | 0.94 | 3.17 | 1.28 | 0.32 | 0.70 | 0.02 | 7.62 | |||||||||||||
1964 | 0.11 | 0.26 | 0.03 | 0.44 | 0.40 | 0.03 | 2.86 | 0.83 | 2.93 | 0.20 | 0.00 | 0.11 | 8.20 | |||||||||||||
1965 | 0.07 | 0.11 | 0.20 | ----- | z | 0.01 | 0.35 | 1.95 | k | 2.66 | 2.80 | 0.28 | 0.12 | 0.93 | 7.53 | b | ||||||||||
1966 | 0.52 | a | 0.22 | 0.07 | 0.00 | 0.00 | 1.42 | 3.19 | 2.63 | 1.85 | 0.29 | 0.00 | 0.31 | 10.50 | ||||||||||||
1967 | 0.07 | 0.47 | 0.07 | 0.00 | 0.00 | 0.90 | 1.60 | 2.37 | 3.31 | 0.34 | 0.12 | 0.26 | 9.51 | |||||||||||||
1968 | 0.65 | 0.33 | 0.33 | 0.06 | 0.04 | 0.03 | 3.20 | 6.56 | 0.10 | 0.23 | 0.46 | 1.00 | r | 11.99 | a | |||||||||||
1969 | 0.13 | 0.08 | 1.05 | 0.21 | 0.70 | 0.08 | 2.13 | a | 2.25 | b | 1.01 | 1.86 | 0.00 | 0.20 | 9.70 | |||||||||||
1970 | 0.00 | 0.27 | 0.33 | 0.12 | 0.10 | 0.05 | 1.73 | 2.31 | 0.54 | 1.07 | ----- | z | ----- | z | 6.52 | b | ||||||||||
1971 | 0.13 | 0.14 | 0.00 | 0.18 | 0.03 | 0.16 | 2.08 | 3.32 | 1.43 | 1.36 | 0.46 | 0.90 | a | 10.19 | ||||||||||||
1972 | 0.03 | 0.00 | 0.08 | 0.00 | 0.18 | 0.64 | n | 2.23 | a | 6.00 | 1.64 | 5.03 | b | 0.60 | ----- | z | 15.79 | b | ||||||||
1973 | ----- | z | 0.41 | 0.48 | a | 0.48 | 1.15 | 0.37 | 1.87 | 0.67 | 0.29 | 0.07 | 0.15 | 0.00 | 5.94 | a | ||||||||||
1974 | 0.03 | 0.13 | 0.30 | 0.00 | 0.10 | 0.00 | 2.25 | 2.28 | 2.13 | 3.72 | 0.00 | ----- | z | 10.94 | a | |||||||||||
1975 | 0.18 | 0.27 | 0.20 | 0.00 | 0.07 | 0.00 | 0.67 | b | ----- | z | 3.10 | o | 0.00 | 0.10 | 0.08 | 1.57 | b | |||||||||
1976 | 0.00 | ----- | z | 0.25 | 0.00 | 0.68 | a | 0.41 | b | 1.58 | 2.28 | 0.29 | 0.45 | 0.43 | 0.00 | 6.37 | a | |||||||||
1977 | 0.05 | 0.36 | 0.10 | 0.16 | 0.00 | 0.73 | 4.56 | a | 3.41 | 1.70 | 0.21 | ----- | z | 0.34 | 11.62 | a | ||||||||||
1978 | 1.06 | ----- | z | 0.05 | 0.00 | 0.48 | 1.45 | 1.99 | 1.86 | 0.85 | 1.83 | 1.45 | 0.82 | 11.84 | a | |||||||||||
1979 | 0.90 | 0.91 | 0.08 | 0.26 | 2.07 | 0.93 | 1.20 | 1.75 | 2.32 | 0.75 | 0.65 | 0.47 | 12.29 | |||||||||||||
1980 | 0.33 | 0.85 | 0.45 | 0.18 | 0.17 | 0.00 | 1.22 | 1.82 | 3.87 | 0.08 | 0.15 | 0.45 | 9.57 | |||||||||||||
1981 | 0.70 | 0.13 | 1.01 | 0.42 | 0.69 | 1.53 | 2.80 | 3.66 | 0.82 | 1.78 | 0.20 | 0.07 | 13.81 | |||||||||||||
1982 | 0.41 | b | 1.47 | 0.63 | b | 0.07 | 1.47 | 0.06 | a | 2.08 | 5.11 | 2.03 | 0.17 | 0.73 | 0.99 | 15.22 | ||||||||||
1983 | 1.58 | a | 0.62 | 1.13 | 0.09 | 0.55 | 0.12 | a | 2.09 | 3.29 | 2.80 | a | 1.85 | a | 1.00 | 0.36 | 15.48 | |||||||||
1984 | 1.17 | 0.00 | 0.14 | 0.46 | 0.20 | 1.61 | 2.79 | 3.82 | a | 1.16 | 2.71 | 0.73 | 1.37 | 16.16 | ||||||||||||
1985 | 0.86 | 0.41 | 0.64 | 1.41 | 0.54 | 0.73 | 2.95 | 2.02 | 2.13 | a | 3.69 | c | 0.76 | 0.04 | 16.18 | |||||||||||
1986 | 0.04 | 0.61 | a | 0.35 | 0.00 | 1.42 | 1.42 | 3.70 | 1.35 | 0.43 | 2.11 | 1.30 | a | 0.81 | 13.54 | |||||||||||
1987 | 0.40 | 0.54 | 0.08 | a | 0.06 | 0.90 | 0.02 | 0.64 | a | 0.42 | n | 0.60 | 0.44 | 0.00 | 0.22 | a | 3.90 | a | ||||||||
1988 | 0.13 | l | 0.31 | 0.02 | 0.17 | 0.04 | 0.32 | 0.83 | 1.82 | a | 2.55 | 0.28 | 0.00 | 0.40 | a | 6.74 | a | |||||||||
1989 | 0.83 | 1.25 | 0.00 | 0.00 | 0.22 | 0.00 | 2.97 | u | 0.91 | ----- | z | 2.08 | 0.00 | 0.02 | 5.31 | b | ||||||||||
1990 | 0.70 | 0.21 | a | 0.32 | 0.65 | 0.56 | a | 0.52 | 4.36 | 2.37 | 2.74 | 0.07 | 0.39 | 0.81 | 13.70 | |||||||||||
1991 | ----- | z | 0.22 | 0.26 | 0.00 | 0.09 | o | ----- | z | 2.23 | 5.31 | 0.96 | 0.32 | 1.22 | 1.79 | 12.31 | c | |||||||||
1992 | 0.54 | b | 0.47 | 0.74 | 0.27 | 5.11 | 0.41 | 3.15 | 1.18 | 1.61 | 3.21 | 0.24 | 2.43 | 19.36 | ||||||||||||
1993 | 0.56 | 0.40 | 0.61 | 0.27 | 0.78 | 0.64 | 1.34 | 7.08 | 0.10 | 0.97 | 0.80 | 0.15 | 13.70 | |||||||||||||
1994 | 0.00 | 0.23 | 1.40 | 0.19 | 3.04 | 0.17 | 1.98 | 1.36 | 2.96 | 2.01 | 1.50 | 1.62 | 16.46 | |||||||||||||
1995 | 0.37 | 0.10 | 1.11 | 0.30 | 0.14 | 0.35 | 1.63 | 4.39 | 5.03 | 0.10 | 0.33 | 0.70 | 14.55 | |||||||||||||
1996 | 1.30 | 0.60 | 0.70 | 0.00 | 0.00 | 2.07 | 5.07 | 3.45 | 2.58 | 3.05 | 0.20 | 0.00 | a | 19.02 | ||||||||||||
1997 | 0.53 | 0.15 | 0.40 | 1.00 | 1.03 | 1.06 | 3.12 | 3.25 | 5.06 | 0.63 | 0.67 | 1.24 | a | 18.14 | ||||||||||||
1998 | 0.50 | 0.50 | 2.05 | 0.50 | 0.00 | 0.30 | 3.17 | 0.53 | 1.53 | 1.11 | 1.77 | a | 1.08 | 13.04 | ||||||||||||
1999 | 0.00 | 0.00 | 0.25 | 0.60 | 0.47 | 0.67 | 6.89 | 5.49 | 2.77 | 0.00 | 0.00 | 0.00 | 17.14 | |||||||||||||
2000 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 2.18 | 2.48 | 1.59 | 3.11 | 1.81 | 0.08 | d | 11.25 | b | |||||||||
2001 | 1.56 | 2.50 | 0.50 | 0.40 | 0.59 | 1.20 | 2.30 | 4.60 | 2.32 | 0.20 | 1.22 | b | 0.61 | 18.00 | ||||||||||||
2002 | 0.33 | 0.00 | 0.01 | 0.03 | 0.17 | 0.00 | 2.64 | 1.81 | 1.93 | b | 0.11 | 0.92 | a | 0.89 | b | 8.84 | ||||||||||
2003 | 0.00 | 0.75 | 0.10 | 0.00 | 0.00 | 0.66 | 0.66 | 2.89 | 1.06 | 1.36 | 1.26 | a | 0.07 | b | 8.81 | |||||||||||
2004 | 0.12 | 2.92 | 1.48 | 3.30 | a | 0.05 | 0.20 | 1.23 | 2.25 | 0.35 | 2.23 | 0.73 | 0.26 | b | 15.12 | |||||||||||
2005 | 1.47 | 1.52 | a | 0.59 | 0.50 | 0.53 | 0.00 | 0.20 | 1.30 | 3.40 | 1.50 | 0.00 | 0.00 | 11.01 | ||||||||||||
2006 | 0.12 | 0.00 | 0.20 | 0.00 | 0.00 | 0.74 | 5.60 | 3.84 | 0.70 | 1.70 | 0.06 | a | 0.53 | 13.49 | ||||||||||||
2007 | 0.30 | 0.18 | 0.44 | a | 0.00 | c | 0.00 | c | 0.45 | 1.41 | c | 1.24 | 1.08 | 0.18 | 0.22 | 1.07 | 6.57 | |||||||||
2008 | 0.40 | 0.22 | 0.00 | 0.00 | 0.25 | 0.11 | f | 2.61 | 2.24 | 1.84 | 0.00 | 0.23 | 0.65 | 8.44 | a | |||||||||||
2009 | 0.12 | 0.02 | 0.75 | 0.22 | 1.71 | 0.89 | 2.33 | 2.26 | 1.46 | 0.48 | 0.18 | ----- | z | 10.42 | a | |||||||||||
2010 | 0.65 | 0.58 | 0.33 | 2.49 | 0.00 | 0.60 | 2.47 | 1.30 | 1.19 | 0.30 | 0.00 | 0.07 | 9.98 | |||||||||||||
2011 | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | 0.00 | ----- | z | 2.44 | y | ----- | z | 2.86 | ----- | z | 1.27 | x | 2.86 | h | ||||
2012 | ----- | z | ----- | z | ----- | z | ----- | z | 0.33 | 0.00 | 1.69 | 1.66 | 1.87 | 0.00 | 0.00 | d | 0.35 | 5.90 | d | |||||||
2013 | 0.19 | 0.00 | c | 0.14 | 0.12 | 0.25 | 0.16 | 5.43 | 5.65 | 4.95 | 0.36 | 0.77 | 0.10 | 18.12 | ||||||||||||
2014 | 0.00 | 0.28 | 0.00 | 0.45 | 0.04 | 0.04 | 2.63 | 2.98 | 1.95 | 0.79 | 0.25 | 0.24 | 9.65 | |||||||||||||
2015 | 1.15 | 0.36 | 0.61 | 0.61 | 0.73 | 1.30 | 2.97 | 1.82 | 1.43 | 1.87 | 0.30 | 0.57 | 13.72 | |||||||||||||
2016 | 0.28 | 0.05 | 0.00 | 1.00 | 1.15 | 1.09 | 1.50 | 1.34 | 1.97 | 0.14 | 1.65 | 1.18 | 11.35 | |||||||||||||
2017 | 1.23 | 0.51 | 0.15 | 0.54 | 0.20 | 0.69 | 1.72 | 1.26 | 0.74 | 0.58 | 0.00 | 0.00 | 7.62 | |||||||||||||
2018 | 0.12 | 0.92 | 0.56 | 0.02 | 0.42 | 0.62 | 1.88 | 4.08 | 1.85 | 2.31 | 0.00 | 0.19 | 12.97 | |||||||||||||
2019 | 0.51 | 0.11 | 0.71 | 0.39 | 1.29 | 0.13 | 1.27 | 0.79 | 1.80 | 0.39 | 2.00 | 0.35 | 9.74 | |||||||||||||
2020 | 0.40 | 1.00 | 1.00 | 0.12 | 0.04 | 0.28 | 4.16 | 0.96 | 0.60 | 0.37 | 0.37 | 0.55 | 9.85 | |||||||||||||
2021 | 0.12 | 0.21 | 0.02 | 0.16 | 0.00 | 0.42 | 3.82 | 3.22 | 1.07 | 0.08 | 0.00 | 0.47 | a | 9.59 | ||||||||||||
2022 | 0.05 | 0.00 | 0.12 | 0.00 | 0.00 | e | 4.55 | 4.19 | 4.71 | 0.50 | 5.01 | 0.04 | 1.58 | 20.75 | ||||||||||||
2023 | 0.62 | 0.32 | 0.68 | 0.13 | 0.54 | 0.05 | 0.48 | 2.05 | 1.05 | 0.18 | 0.87 | 1.07 | 8.04 | |||||||||||||
2024 | 0.29 | 0.46 | 0.92 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.67 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.41 | 0.47 | 0.46 | 0.35 | 0.53 | 0.58 | 2.34 | 2.53 | 1.68 | 1.08 | 0.42 | 0.55 | 11.93 | |||||||||||||
S.D. | 0.40 | 0.53 | 0.44 | 0.53 | 0.79 | 0.69 | 1.29 | 1.49 | 1.24 | 1.11 | 0.49 | 0.52 | 3.96 | |||||||||||||
SKEW | 1.21 | 2.19 | 1.19 | 3.15 | 2.97 | 2.70 | 0.94 | 1.00 | 0.89 | 1.46 | 1.32 | 1.14 | 0.32 | |||||||||||||
MAX | 1.58 | 2.92 | 2.05 | 3.30 | 5.11 | 4.55 | 6.89 | 7.08 | 5.06 | 5.03 | 2.00 | 2.43 | 20.75 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.37 | 0.00 | 0.00 | 0.00 | 0.00 | 4.22 | |||||||||||||
YRS | 90 | 92 | 91 | 89 | 92 | 90 | 90 | 90 | 89 | 93 | 90 | 88 | 61 |