YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1928 | ----- | z | ----- | z | ----- | z | 0.16 | 3.48 | 2.83 | 5.61 | 2.80 | 1.28 | 3.56 | 1.06 | 0.43 | 21.21 | c | |||||||||
1929 | 0.00 | 0.80 | 2.92 | 1.20 | 4.26 | 1.43 | 0.76 | 1.76 | 3.66 | 2.41 | 0.70 | 0.15 | 20.05 | |||||||||||||
1930 | 0.79 | 0.00 | 0.20 | 1.40 | 0.60 | 2.85 | 1.22 | 2.71 | 1.26 | 5.92 | 0.64 | 1.08 | 18.67 | |||||||||||||
1931 | 0.69 | 0.42 | 1.48 | 2.68 | 2.86 | 0.25 | 3.28 | 2.11 | 0.37 | 1.36 | 1.83 | 1.22 | 18.55 | |||||||||||||
1932 | 0.78 | 0.97 | 0.07 | 1.88 | 1.99 | 3.19 | 3.50 | 3.06 | 4.96 | 1.14 | 0.04 | 2.00 | 23.58 | |||||||||||||
1933 | 0.55 | 0.46 | 1.26 | 0.78 | 1.92 | 0.42 | 1.87 | 3.03 | 2.70 | 0.05 | 1.11 | 0.00 | 14.15 | |||||||||||||
1934 | 0.00 | 0.00 | 1.51 | 1.75 | 4.73 | 1.22 | 0.16 | 0.83 | 1.27 | 0.34 | 1.21 | 0.00 | 13.02 | |||||||||||||
1935 | 0.40 | 0.50 | 0.36 | 0.09 | ----- | z | ----- | z | 2.33 | 1.25 | 0.42 | 0.34 | 1.77 | 0.16 | 7.62 | b | ||||||||||
1936 | 0.70 | ----- | z | ----- | z | ----- | z | 4.73 | 0.32 | 1.53 | ----- | z | 6.11 | 0.36 | ----- | z | ----- | z | 13.75 | f | ||||||
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.75 | 0.81 | 0.00 | 0.23 | 5.79 | h | ||||
1938 | 0.25 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.25 | k | |
1939 | 3.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.50 | k | |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1941 | 0.45 | 0.56 | 1.96 | 1.30 | 10.43 | 2.88 | 2.52 | 4.90 | 4.47 | 10.10 | 0.35 | 0.33 | 40.25 | |||||||||||||
1942 | 0.02 | 0.76 | 0.00 | 5.85 | 0.45 | 2.57 | 3.30 | 1.88 | 5.15 | 4.99 | 0.00 | 2.05 | 27.02 | |||||||||||||
1943 | 0.00 | 0.00 | 0.00 | 1.08 | 2.02 | 1.06 | 4.72 | 0.00 | 1.33 | 0.10 | 0.45 | 1.86 | 12.62 | |||||||||||||
1944 | 1.29 | 0.00 | 0.00 | 0.00 | 2.80 | 4.06 | 1.78 | 1.97 | 4.35 | 0.48 | 0.20 | 1.58 | 18.51 | |||||||||||||
1945 | 0.39 | 0.20 | 0.00 | 0.53 | 0.82 | 0.63 | 3.23 | 3.75 | ----- | z | ----- | z | ----- | z | ----- | z | 9.55 | d | ||||||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1947 | ----- | z | ----- | z | 0.41 | 0.97 | ----- | z | ----- | z | 0.51 | r | ----- | z | ----- | z | 0.00 | u | ----- | z | ----- | z | 1.38 | j | ||
1948 | 0.06 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.29 | 5.18 | 0.26 | 1.45 | ----- | z | ----- | z | ----- | z | 8.18 | h | ||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | l | 0.12 | 0.12 | k | |
1953 | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | k | |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1964 | 0.11 | 1.49 | 0.19 | 0.00 | 0.90 | 4.30 | 0.45 | 1.53 | 1.85 | 0.08 | 1.38 | 0.79 | 13.07 | |||||||||||||
1965 | 0.06 | 0.27 | 0.36 | 0.75 | 1.69 | 7.31 | 0.45 | 1.34 | 1.75 | 1.21 | 0.00 | 0.45 | 15.64 | |||||||||||||
1966 | 0.47 | 0.05 | 0.13 | 1.91 | 1.13 | 6.58 | 0.84 | 8.41 | 2.04 | 0.08 | 0.22 | 0.10 | 21.96 | |||||||||||||
1967 | 0.00 | 0.08 | 0.26 | 0.35 | 1.01 | 6.21 | 4.20 | 0.78 | 1.12 | 0.05 | 0.04 | 0.54 | 14.64 | |||||||||||||
1968 | 1.14 | 0.70 | 0.92 | 0.15 | 2.78 | 3.65 | 3.64 | 3.70 | 1.15 | 0.50 | 1.29 | 0.21 | 19.83 | |||||||||||||
1969 | 0.00 | 0.65 | 0.83 | 0.55 | 3.29 | 2.62 | 0.91 | 2.68 | 5.88 | 4.16 | 0.62 | 0.63 | 22.82 | |||||||||||||
1970 | 0.03 | 0.04 | 2.28 | 1.25 | 0.46 | 1.55 | 0.42 | 1.05 | 0.66 | 0.35 | 0.05 | 0.00 | 8.14 | |||||||||||||
1971 | 0.00 | 1.11 | 0.08 | 1.84 | 2.42 | 0.76 | 1.45 | 3.11 | 6.60 | 1.60 | 0.89 | 1.67 | 21.53 | |||||||||||||
1972 | 0.01 | 0.45 | 0.00 | 0.02 | 4.09 | 2.09 | 4.91 | 5.06 | 2.66 | 1.94 | 1.15 | ----- | z | 22.38 | a | |||||||||||
1973 | 0.65 | 0.58 | 2.51 | 2.30 | ----- | z | 0.38 | 2.19 | 0.89 | ----- | z | ----- | z | ----- | z | ----- | z | 9.50 | e | |||||||
1974 | ----- | z | 0.02 | 1.87 | 0.52 | 0.93 | 1.26 | 0.68 | 6.60 | 3.73 | 4.41 | 0.29 | 0.93 | 21.24 | a | |||||||||||
1975 | 0.41 | 1.34 | 0.01 | 1.31 | 1.14 | 0.60 | 3.64 | 0.97 | 1.86 | 0.00 | ----- | z | 0.25 | 11.53 | a | |||||||||||
1976 | 0.02 | 0.00 | 0.12 | 1.60 | 0.33 | ----- | z | 5.02 | 1.02 | 2.04 | 1.30 | 0.58 | 0.00 | 12.03 | a | |||||||||||
1977 | 0.25 | 0.29 | 0.56 | 2.60 | 4.15 | 1.00 | 0.92 | 1.64 | 0.70 | 0.51 | 0.09 | 0.00 | 12.71 | |||||||||||||
1978 | 0.63 | 0.65 | 0.09 | 0.16 | 2.42 | 3.80 | 0.66 | 1.03 | 3.06 | 0.51 | 2.78 | 0.38 | 16.17 | |||||||||||||
1979 | 0.46 | 0.46 | 1.03 | 0.96 | 3.16 | 6.87 | 3.84 | 5.32 | 0.45 | 0.82 | 0.04 | 0.48 | 23.89 | |||||||||||||
1980 | 0.49 | 0.61 | 0.36 | ----- | z | 3.63 | 2.15 | 0.92 | ----- | z | 3.57 | 0.83 | 1.56 | 0.42 | 14.54 | b | ||||||||||
1981 | 0.48 | 0.17 | ----- | z | 1.62 | 0.46 | 0.66 | 3.13 | 0.71 | q | 1.17 | 5.12 | 0.83 | 0.06 | 13.70 | b | ||||||||||
1982 | 0.11 | 0.81 | a | 0.40 | 0.88 | 2.53 | a | 3.46 | 2.00 | 2.26 | 0.32 | 0.24 | 1.28 | 1.21 | 15.50 | |||||||||||
1983 | 2.38 | a | 0.68 | b | 0.10 | a | 0.72 | 1.95 | 1.06 | 0.21 | 0.44 | 0.21 | 4.88 | 0.37 | 0.15 | a | 13.15 | |||||||||
1984 | 0.22 | a | 0.02 | 0.73 | 0.04 | 1.00 | 2.29 | 1.56 | 2.52 | e | 0.49 | a | 2.62 | c | 0.68 | 1.37 | a | 13.54 | ||||||||
1985 | 0.51 | 0.53 | b | 1.48 | 0.20 | a | 4.12 | a | 10.10 | a | 3.51 | 1.82 | 4.62 | a | 3.69 | ----- | z | 0.26 | 30.84 | a | ||||||
1986 | ----- | z | ----- | z | ----- | z | 0.58 | 3.45 | 4.47 | 0.07 | 6.39 | 2.84 | 4.54 | 1.82 | 1.29 | 25.45 | c | |||||||||
1987 | 0.15 | 1.13 | 0.07 | 0.00 | 3.04 | 0.93 | 0.60 | 4.84 | 3.07 | 0.70 | 0.63 | 1.20 | 16.36 | |||||||||||||
1988 | 0.17 | 0.13 | 0.18 | 1.57 | 2.92 | 3.57 | 4.31 | 3.79 | 5.38 | 0.00 | 0.11 | 0.07 | 22.20 | |||||||||||||
1989 | 0.00 | 0.74 | 1.01 | 0.00 | 0.96 | 5.71 | 1.11 | 5.42 | 2.84 | 0.00 | 0.00 | 0.41 | 18.20 | |||||||||||||
1990 | 0.70 | 0.89 | 1.80 | 1.43 | 0.83 | 0.52 | 1.22 | 4.78 | 0.91 | 0.42 | 1.43 | 0.22 | 15.15 | |||||||||||||
1991 | 0.83 | 0.00 | 0.16 | 0.00 | 1.40 | 3.70 | 2.14 | 1.36 | 5.39 | 0.35 | 0.35 | a | 3.15 | 18.83 | ||||||||||||
1992 | 1.60 | 0.83 | 1.65 | 1.97 | 3.67 | 6.77 | 3.32 | 1.88 | 1.11 | 0.00 | 1.39 | 1.03 | b | 25.22 | ||||||||||||
1993 | 1.29 | 0.51 | 0.48 | 0.77 | 1.77 | 1.16 | b | 3.39 | 0.64 | 0.96 | 0.95 | 0.49 | 0.24 | i | 12.41 | a | ||||||||||
1994 | 0.02 | 0.00 | 1.00 | 0.91 | 7.19 | 0.36 | 2.28 | 0.75 | 0.76 | 0.12 | 0.88 | 0.18 | 14.45 | |||||||||||||
1995 | 0.16 | 0.01 | 0.46 | 0.84 | 3.41 | 2.02 | 0.73 | h | 0.50 | 2.32 | 0.85 | 0.00 | 1.00 | f | 10.57 | b | ||||||||||
1996 | 0.00 | 0.02 | 0.00 | 0.00 | 1.01 | 2.96 | c | 3.59 | 2.73 | 2.44 | 0.41 | 0.66 | 0.01 | 13.83 | ||||||||||||
1997 | 0.47 | 0.58 | 0.00 | 4.88 | 2.34 | 3.97 | 0.46 | b | 1.90 | a | 1.89 | 0.76 | 0.66 | 1.75 | 19.66 | |||||||||||
1998 | 0.00 | 1.67 | 1.56 | 1.26 | 0.70 | 0.87 | 0.73 | 3.09 | 0.00 | 4.06 | 1.33 | 0.51 | 15.78 | |||||||||||||
1999 | 1.38 | 0.03 | 1.34 | 1.64 | f | 7.56 | 3.67 | a | 0.83 | 2.32 | 2.40 | 0.90 | a | 0.00 | 1.44 | 21.87 | a | |||||||||
2000 | 0.03 | 0.00 | 1.78 | 1.94 | 0.16 | 7.36 | c | 0.51 | b | 0.18 | 0.00 | 2.76 | 1.69 | 0.56 | a | 16.97 | ||||||||||
2001 | 1.32 | 0.77 | a | 2.05 | a | 0.02 | 3.56 | 0.48 | 0.15 | 2.35 | 0.99 | 0.33 | 1.72 | 0.39 | 14.13 | |||||||||||
2002 | 1.20 | 0.29 | 1.58 | 0.30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.37 | h | ||||
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.71 | 2.81 | 4.58 | 4.70 | 5.65 | 0.45 | 18.90 | f | ||||||
2005 | 1.29 | 0.85 | 1.36 | 0.58 | 1.37 | 1.60 | 3.83 | 4.88 | 0.89 | a | 1.05 | 0.00 | 0.01 | 17.71 | ||||||||||||
2006 | 0.00 | 0.36 | 1.62 | 0.93 | 2.32 | a | 0.44 | a | 1.91 | a | 6.27 | 4.64 | 2.13 | 0.10 | b | 2.61 | 23.33 | |||||||||
2007 | 1.45 | d | 0.15 | 5.60 | 2.01 | b | 2.79 | 4.18 | 1.44 | 1.93 | 0.37 | b | 0.02 | f | 0.10 | b | 1.04 | l | 20.02 | b | ||||||
2008 | 0.00 | j | 0.00 | j | 0.03 | b | 1.13 | f | 3.42 | k | 2.13 | h | 1.08 | i | 2.09 | i | 1.58 | g | 2.65 | f | 0.05 | a | 0.05 | 0.13 | i | |
2009 | 0.03 | 0.50 | 0.06 | a | 1.75 | 0.74 | 4.11 | 0.00 | 0.71 | 0.52 | 1.73 | a | 0.13 | a | 1.45 | 11.73 | ||||||||||
2010 | 0.78 | a | 2.31 | 1.91 | a | 3.25 | 2.30 | 2.83 | 4.95 | b | 2.75 | 0.65 | 1.12 | a | 0.74 | 0.15 | 23.74 | |||||||||
2011 | 0.00 | 0.50 | 0.50 | 0.00 | 0.16 | 0.00 | 1.62 | 0.60 | 0.75 | a | 1.97 | 0.25 | 1.80 | 8.15 | ||||||||||||
2012 | 0.05 | 0.58 | 0.92 | 0.89 | 1.15 | 2.34 | 0.54 | 1.89 | 2.57 | 0.26 | 0.02 | 0.75 | 11.96 | |||||||||||||
2013 | 0.75 | 1.92 | 0.55 | 0.02 | 0.18 | 5.46 | 5.93 | 2.15 | 1.72 | 0.64 | 0.42 | 0.28 | 20.02 | |||||||||||||
2014 | 0.00 | 0.13 | 0.30 | 0.13 | 4.35 | 6.00 | 4.43 | 3.45 | 7.12 | 0.75 | 1.63 | 0.22 | 28.51 | |||||||||||||
2015 | 1.46 | 0.84 | 0.64 | 2.30 | 6.06 | 4.60 | 2.95 | 1.96 | 2.07 | 6.48 | 1.25 | 0.55 | 31.16 | |||||||||||||
2016 | 0.23 | 0.05 | 0.25 | 1.64 | 2.78 | 2.97 | 1.31 | 3.70 | 6.06 | 0.43 | 1.19 | 0.41 | 21.02 | |||||||||||||
2017 | 1.81 | 0.88 | 1.43 | 1.02 | 0.92 | 2.78 | 3.27 | 5.69 | 4.47 | 0.98 | 0.00 | 0.00 | 23.25 | |||||||||||||
2018 | 0.02 | 0.72 | 0.22 | 0.55 | 0.35 | 1.06 | 1.05 | 3.89 | 2.38 | 2.59 | 0.05 | 0.88 | 13.76 | |||||||||||||
2019 | 0.07 | 0.12 | 1.37 | 1.33 | 5.27 | 2.95 | 3.26 | 0.44 | 4.09 | 2.09 | 0.73 | 0.62 | 22.34 | |||||||||||||
2020 | 0.30 | 0.48 | 2.88 | 0.06 | 0.55 | 0.82 | 1.17 | 1.15 | 0.45 | 0.52 | 0.31 | 0.02 | 8.71 | |||||||||||||
2021 | 0.54 | 0.26 | 0.07 | 0.33 | 8.30 | 2.99 | 2.38 | 3.14 | 0.27 | 1.57 | 0.00 | 0.02 | 19.87 | |||||||||||||
2022 | 0.43 | 0.18 | 0.28 | 0.00 | 2.01 | 0.17 | 0.01 | 5.86 | 2.14 | 2.60 | 0.48 | 0.25 | 14.41 | |||||||||||||
2023 | 0.31 | 0.15 | 0.00 | 0.36 | 6.63 | 2.67 | 2.89 | 0.89 | 1.43 | 1.39 | 0.23 | 1.08 | 18.03 | |||||||||||||
2024 | 0.58 | 0.89 | 0.25 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.72 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.53 | 0.51 | 0.85 | 1.06 | 2.60 | 2.76 | 2.18 | 2.60 | 2.39 | 1.70 | 0.74 | 0.67 | 18.25 | |||||||||||||
S.D. | 0.63 | 0.48 | 0.97 | 1.09 | 2.11 | 2.16 | 1.60 | 1.85 | 1.86 | 1.94 | 0.87 | 0.70 | 5.92 | |||||||||||||
SKEW | 2.07 | 1.35 | 2.03 | 1.95 | 1.39 | 1.01 | 0.50 | 0.90 | 0.75 | 1.85 | 2.89 | 1.34 | 1.04 | |||||||||||||
MAX | 3.50 | 2.31 | 5.60 | 5.85 | 10.43 | 10.10 | 5.93 | 8.41 | 7.12 | 10.10 | 5.65 | 3.15 | 40.25 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.14 | |||||||||||||
YRS | 72 | 69 | 70 | 69 | 68 | 69 | 71 | 69 | 71 | 69 | 68 | 67 | 53 |