YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | 0.09 | 1.05 | 0.74 | ----- | z | 0.70 | 1.10 | 0.02 | 0.00 | 3.70 | e | |||||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1948 | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | 0.02 | f | 0.09 | 0.06 | 0.74 | 2.58 | 1.41 | 0.02 | 2.20 | 1.66 | 8.76 | d | ||||||||
1962 | 1.17 | 0.24 | 0.31 | 0.55 | 0.00 | 0.35 | 6.31 | 0.15 | 2.71 | 0.46 | 0.56 | 1.04 | 13.85 | |||||||||||||
1963 | 0.30 | 0.36 | 0.02 | 0.30 | 0.00 | 0.10 | 0.56 | 1.31 | 0.62 | 1.23 | 0.14 | 0.00 | 4.94 | |||||||||||||
1964 | 0.02 | 0.01 | 0.42 | 0.38 | 0.00 | 0.03 | 0.67 | 0.75 | 3.20 | 0.15 | 0.01 | 0.94 | 6.58 | |||||||||||||
1965 | 1.01 | 0.14 | 0.29 | 0.06 | 0.06 | 0.32 | 1.26 | 1.44 | 1.70 | 0.02 | 0.08 | 1.76 | 8.14 | |||||||||||||
1966 | 0.17 | 0.35 | 0.00 | 0.03 | 0.00 | 0.31 | 2.33 | 1.40 | 0.65 | 0.01 | 0.23 | 0.01 | 5.49 | |||||||||||||
1967 | 0.00 | 0.25 | 0.00 | 0.03 | 0.05 | 0.75 | 2.23 | 3.02 | 1.42 | 0.06 | 0.29 | 1.27 | 9.37 | |||||||||||||
1968 | 0.36 | 0.68 | 2.02 | 0.05 | 0.00 | 0.00 | 4.22 | 1.58 | 0.03 | 0.11 | 0.95 | 0.44 | 10.44 | |||||||||||||
1969 | 0.41 | 0.40 | 0.10 | 0.00 | 0.26 | 0.00 | 2.13 | 2.24 | 0.60 | 1.10 | 0.09 | 0.55 | 7.88 | |||||||||||||
1970 | 0.00 | 0.69 | 0.66 | 0.00 | 0.00 | 0.10 | 1.97 | 1.18 | 0.62 | 0.89 | 0.00 | 0.15 | 6.26 | |||||||||||||
1971 | 0.15 | 0.00 | 0.00 | 0.09 | 0.00 | 0.00 | 1.38 | 0.48 | 0.97 | 1.46 | 0.30 | 1.01 | 5.84 | |||||||||||||
1972 | 0.24 | 0.00 | 0.01 | 0.00 | 0.12 | 0.53 | 1.44 | 3.85 | 0.73 | 1.90 | 0.53 | 0.63 | 9.98 | |||||||||||||
1973 | 1.12 | 1.44 | 0.40 | 0.00 | 0.14 | 0.22 | 1.91 | 0.30 | 0.00 | 0.05 | 0.10 | 0.00 | 5.68 | |||||||||||||
1974 | 0.72 | 0.00 | 0.02 | 0.00 | 0.17 | 0.00 | 2.88 | 2.80 | 2.04 | 2.93 | 0.17 | 0.46 | 12.19 | |||||||||||||
1975 | 0.79 | 0.27 | 0.46 | 0.00 | 0.00 | 0.00 | 1.29 | 1.45 | 1.93 | 0.78 | 0.26 | 0.84 | 8.07 | |||||||||||||
1976 | 0.41 | 0.51 | 0.02 | 0.14 | 0.02 | 0.77 | 2.78 | 1.11 | 3.48 | 1.56 | 0.49 | 0.11 | 11.40 | |||||||||||||
1977 | 0.98 | 0.00 | 0.39 | 0.24 | 0.02 | 0.22 | 1.87 | 1.14 | 0.24 | 1.09 | 0.21 | 0.39 | 6.79 | |||||||||||||
1978 | 0.89 | 0.67 | 0.79 | 0.00 | 0.68 | 0.19 | 0.36 | 2.23 | 1.95 | 2.43 | 1.59 | 1.80 | 13.58 | |||||||||||||
1979 | 1.25 | 0.19 | 0.03 | 0.09 | 0.47 | 1.03 | 0.70 | 2.28 | 1.78 | 0.00 | 0.01 | 1.93 | 9.76 | |||||||||||||
1980 | 1.00 | 1.34 | 0.20 | 0.16 | 0.31 | 0.00 | 0.45 | 1.53 | 0.64 | 0.66 | 0.14 | 0.14 | 6.57 | |||||||||||||
1981 | 1.00 | 0.14 | 0.46 | 0.61 | 0.67 | 0.71 | 1.16 | 0.68 | 0.70 | 0.32 | ----- | z | ----- | z | 6.45 | b | ||||||||||
1982 | ----- | z | ----- | z | 0.09 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.09 | k | |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.52 | 0.08 | 2.16 | 1.84 | a | 0.13 | 5.73 | g | ||||
2001 | 0.81 | 0.14 | 0.08 | 0.13 | 0.08 | 0.58 | 0.96 | 2.05 | 0.78 | 0.39 | 0.11 | 0.20 | 6.31 | |||||||||||||
2002 | 0.36 | 0.88 | 0.00 | 0.00 | 0.06 | 0.25 | 1.70 | 2.37 | 0.73 | 1.92 | 0.08 | 1.09 | 9.44 | |||||||||||||
2003 | 0.01 | 1.76 | 0.12 | 0.02 | 0.00 | 0.86 | 0.41 | 1.44 | 0.03 | 0.65 | 0.92 | 0.05 | 6.27 | |||||||||||||
2004 | 0.36 | 0.66 | 0.98 | 2.01 | 0.11 | 0.78 | 1.23 | 1.63 | 0.68 | 0.69 | 1.47 | 0.62 | 11.22 | |||||||||||||
2005 | 1.33 | 1.51 | 0.31 | 0.44 | 0.14 | 0.00 | a | 0.44 | 1.46 | 0.22 | 0.95 | 0.00 | 0.02 | 6.82 | ||||||||||||
2006 | 0.29 | 0.23 | 0.00 | 0.00 | 0.01 | 0.66 | 2.78 | 4.39 | 3.79 | 1.72 | 0.06 | 0.10 | 14.03 | |||||||||||||
2007 | 0.80 | 0.04 | 0.02 | 0.63 | 0.48 | 0.45 | 1.40 | 1.00 | 1.05 | 0.07 | 0.25 | 0.56 | 6.75 | |||||||||||||
2008 | 0.06 | 0.19 | 0.00 | 0.00 | 0.02 | 0.14 | 7.72 | 2.34 | 1.56 | 0.26 | 0.33 | 0.30 | 12.92 | |||||||||||||
2009 | 0.05 | 0.01 | 0.21 | 0.00 | 1.75 | 0.14 | 1.07 | 0.46 | 1.34 | 0.87 | 0.71 | 0.42 | 7.03 | |||||||||||||
2010 | 2.08 | a | 1.16 | 0.30 | 0.09 | 0.01 | 0.38 | 3.50 | 0.90 | 0.23 | 0.27 | 0.00 | 0.11 | 9.03 | ||||||||||||
2011 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.01 | 1.00 | 1.29 | 0.30 | 0.71 | 1.55 | 1.87 | 6.75 | |||||||||||||
2012 | 0.12 | 0.48 | a | 0.04 | 0.00 | 0.17 | 0.13 | 0.96 | a | 1.06 | 0.75 | 0.04 | 0.05 | 0.48 | 4.28 | |||||||||||
2013 | 0.26 | 0.03 | 0.19 | 0.00 | 0.03 | 0.00 | 3.26 | 2.47 | 3.07 | 0.05 | 0.28 | 0.37 | 10.01 | |||||||||||||
2014 | 0.00 | 0.00 | 0.37 | 0.20 | 0.00 | 0.03 | 1.97 | 1.01 | 4.83 | 0.35 | 0.51 | 0.51 | 9.78 | |||||||||||||
2015 | 1.47 | 0.00 | 0.69 | 0.28 | 0.19 | 0.45 | 3.72 | 1.70 | 0.45 | 2.44 | 0.61 | 0.36 | 12.36 | |||||||||||||
2016 | 0.42 | 0.12 | 0.00 | 0.38 | 0.27 | 0.45 | 0.35 | 3.41 | 0.67 | 0.01 | 0.15 | 1.79 | 8.02 | |||||||||||||
2017 | 2.45 | 0.48 | 0.00 | 0.01 | 0.25 | 0.56 | 3.07 | 1.87 | 0.65 | 0.25 | 0.10 | 0.26 | 9.95 | |||||||||||||
2018 | 0.04 | 1.51 | 0.00 | 0.00 | 0.00 | 1.63 | 1.65 | 1.34 | 1.41 | 2.03 | 0.10 | 0.42 | 10.13 | |||||||||||||
2019 | 0.08 | 0.22 | 0.37 | 0.34 | 0.23 | 0.12 | a | 0.35 | 2.08 | 2.10 | 0.23 | 2.43 | 0.65 | 9.20 | ||||||||||||
2020 | 0.10 | 1.32 | 1.29 | 0.00 | 0.01 | 0.08 | 0.47 | 0.02 | b | 0.86 | b | 0.10 | 0.07 | 0.42 | 4.74 | |||||||||||
2021 | 0.26 | 0.20 | 0.14 | 0.10 | 0.00 | 0.67 | 0.52 | 2.18 | 1.33 | 0.01 | 0.05 | 0.45 | 5.91 | |||||||||||||
2022 | 0.06 | 0.01 | 0.16 | 0.00 | 0.00 | 1.35 | 1.43 | 3.85 | 0.49 | 2.35 | 0.00 | 0.72 | 10.42 | |||||||||||||
2023 | 0.49 | 0.34 | 0.24 | 0.00 | 0.68 | 0.07 | 0.15 | 1.03 | 0.98 | 0.26 | 0.35 | 0.66 | 5.25 | |||||||||||||
2024 | 0.45 | 0.88 | 0.01 | 0.08 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.34 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.55 | 0.45 | 0.27 | 0.17 | 0.17 | 0.37 | 1.77 | 1.70 | 1.23 | 0.81 | 0.45 | 0.62 | 8.56 | |||||||||||||
S.D. | 0.57 | 0.50 | 0.39 | 0.34 | 0.31 | 0.39 | 1.54 | 0.98 | 1.08 | 0.82 | 0.61 | 0.57 | 2.68 | |||||||||||||
SKEW | 1.37 | 1.17 | 2.57 | 3.96 | 3.43 | 1.26 | 1.95 | 0.76 | 1.43 | 0.93 | 1.83 | 1.08 | 0.40 | |||||||||||||
MAX | 2.45 | 1.76 | 2.02 | 2.01 | 1.75 | 1.63 | 7.72 | 4.39 | 4.83 | 2.93 | 2.43 | 1.93 | 14.03 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 4.28 | |||||||||||||
YRS | 44 | 44 | 45 | 43 | 45 | 45 | 45 | 45 | 46 | 46 | 45 | 45 | 42 |