YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | ----- | z | 0.00 | ----- | z | ----- | z | 0.00 | 0.00 | h | ||||
1911 | 0.00 | ----- | z | 0.00 | ----- | z | 0.00 | ----- | z | ----- | z | 0.00 | 0.00 | 0.24 | ----- | z | 0.00 | 0.24 | e | |||||||
1912 | 0.00 | 0.00 | ----- | z | 0.00 | 0.45 | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.55 | b | ||||||||||
1913 | 0.00 | 0.44 | 0.00 | 0.15 | 0.00 | 0.00 | 0.27 | 1.00 | 0.00 | 0.00 | 0.25 | 0.10 | 2.21 | |||||||||||||
1914 | ----- | z | 0.75 | 0.00 | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 0.55 | 0.88 | 2.18 | c | |||||||||
1915 | 2.85 | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | 0.02 | 0.20 | 0.00 | ----- | z | ----- | z | 0.00 | 3.07 | f | ||||||
1916 | 1.39 | 0.05 | 1.04 | 0.00 | 0.00 | ----- | z | ----- | z | 0.03 | ----- | z | 0.00 | ----- | z | 0.06 | 2.57 | d | ||||||||
1917 | 1.39 | w | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | k | |
1918 | ----- | z | 0.13 | 0.83 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.02 | ----- | z | 0.70 | 1.68 | h | ||||
1919 | 0.10 | 0.38 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.57 | 0.18 | 1.23 | g | |||||
1920 | ----- | z | 2.02 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.02 | k | |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | 0.14 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.18 | y | 0.14 | j | ||
1922 | 0.64 | 0.00 | ----- | z | ----- | z | 0.00 | 0.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.64 | h | |||
1923 | 0.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.02 | ----- | z | ----- | z | 0.00 | 0.65 | 1.24 | 2.01 | g | |||||
1924 | ----- | z | 0.00 | 0.04 | 0.55 | ----- | z | ----- | z | 0.00 | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | 0.59 | g | |||||
1925 | 0.00 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | i | |||
1926 | ----- | z | 0.00 | ----- | z | 1.99 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 4.10 | 6.13 | b | ||||||||||
1927 | 0.30 | 0.74 | 0.10 | 0.00 | 0.00 | 0.00 | 0.06 | 0.05 | 0.00 | 0.59 | ----- | z | 3.15 | 4.99 | a | |||||||||||
1928 | 0.00 | 0.17 | 0.06 | a | 0.00 | 0.00 | 0.00 | 0.00 | c | 0.00 | d | 0.00 | f | 0.22 | d | 0.00 | h | 0.00 | 0.45 | b | ||||||
1929 | 0.08 | 0.00 | 0.00 | a | 0.00 | 0.00 | a | 0.00 | 0.00 | d | 0.10 | 0.12 | 0.00 | b | 0.00 | 0.00 | c | 0.30 | ||||||||
1930 | 0.54 | a | 0.00 | b | 1.03 | a | 0.02 | a | 0.44 | 0.00 | a | 0.00 | h | 0.00 | i | 0.00 | l | 0.00 | f | 0.00 | 0.00 | a | 2.03 | d | ||
1931 | 0.00 | o | 1.47 | 0.00 | 0.83 | 0.00 | 0.00 | 0.00 | 0.36 | 0.18 | a | 0.15 | 0.08 | 0.26 | 3.33 | a | ||||||||||
1932 | 0.00 | 1.38 | 0.00 | 0.01 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 3.90 | 0.00 | 0.25 | 5.69 | |||||||||||||
1933 | ----- | z | ----- | z | 0.00 | 0.60 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.75 | b | ||||||||||
1934 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.11 | |||||||||||||
1935 | 0.57 | 1.96 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 0.36 | 3.44 | |||||||||||||
1936 | 0.10 | 0.33 | 0.00 | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.24 | 0.33 | a | 1.10 | a | ||||||||||
1937 | 0.10 | 0.00 | 0.52 | 0.00 | 0.00 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.83 | |||||||||||||
1938 | 0.00 | 0.75 | 0.15 | 0.00 | 0.00 | 0.00 | 0.04 | 0.20 | 0.00 | 0.00 | 0.00 | 1.45 | 2.59 | |||||||||||||
1939 | 0.52 | 0.31 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.75 | 0.00 | 0.60 | 0.00 | 8.18 | |||||||||||||
1940 | 0.00 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 2.41 | 3.18 | |||||||||||||
1941 | 0.55 | 0.34 | 0.96 | 0.12 | 0.00 | 0.00 | 0.01 | 1.66 | 0.55 | 0.51 | 0.07 | 1.08 | 5.85 | |||||||||||||
1942 | 0.12 | 0.26 | 0.42 | 0.14 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0.00 | a | 0.00 | 0.00 | 1.34 | ||||||||||||
1943 | 0.62 | 0.06 | 0.21 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0.00 | 1.61 | 2.99 | |||||||||||||
1944 | 0.00 | 1.24 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.12 | 1.11 | 3.61 | |||||||||||||
1945 | 0.55 | 0.00 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 2.19 | 0.00 | 0.00 | 0.00 | 0.82 | 3.68 | |||||||||||||
1946 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.03 | 0.03 | 0.08 | 0.36 | 0.96 | |||||||||||||
1947 | 0.00 | 0.00 | 0.23 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 0.09 | 0.05 | d | 0.00 | e | 0.13 | 0.85 | |||||||||||
1948 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.05 | 0.00 | 0.00 | 0.97 | 0.00 | 0.17 | 1.48 | |||||||||||||
1949 | 1.90 | 0.00 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.37 | 0.04 | 0.20 | 2.60 | |||||||||||||
1950 | 0.00 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | |||||||||||||
1951 | 0.24 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.14 | 2.70 | 0.03 | 0.07 | 0.11 | 0.21 | 3.60 | |||||||||||||
1952 | 0.66 | 0.00 | 0.19 | 0.17 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.08 | 0.19 | 1.39 | |||||||||||||
1953 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |||||||||||||
1954 | 0.81 | 0.00 | 0.21 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.37 | 0.00 | 0.00 | 0.00 | 1.46 | |||||||||||||
1955 | 1.34 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.21 | 0.00 | 0.00 | 0.00 | 0.00 | 1.70 | |||||||||||||
1956 | 0.06 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | |||||||||||||
1957 | 0.65 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.28 | 0.00 | 0.75 | 0.00 | 0.00 | 1.68 | |||||||||||||
1958 | 0.04 | 1.21 | 0.52 | 0.40 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.00 | 2.37 | |||||||||||||
1959 | 0.12 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.24 | 0.06 | 1.40 | 1.95 | |||||||||||||
1960 | 0.50 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 0.17 | 0.02 | 0.26 | 0.16 | 1.54 | |||||||||||||
1961 | 0.24 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.30 | 0.00 | 0.00 | 0.04 | 0.87 | 1.47 | |||||||||||||
1962 | 0.63 | 0.21 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.98 | 1.95 | |||||||||||||
1963 | 0.04 | 0.16 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 1.30 | 0.30 | 0.24 | 0.00 | 2.39 | |||||||||||||
1964 | 0.08 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.06 | 0.38 | 0.03 | 0.96 | |||||||||||||
1965 | 0.05 | 0.15 | 0.17 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 1.87 | 3.37 | |||||||||||||
1966 | 0.43 | 0.06 | 0.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.85 | 0.70 | 0.06 | 0.00 | 2.53 | |||||||||||||
1967 | 0.38 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 1.65 | 1.15 | 0.00 | 1.36 | 0.80 | 5.49 | |||||||||||||
1968 | 0.00 | 0.01 | 0.65 | 0.00 | 0.00 | 0.00 | 1.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 1.85 | |||||||||||||
1969 | 1.02 | 0.07 | 0.05 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 1.04 | 0.00 | 0.64 | 0.10 | 2.93 | |||||||||||||
1970 | 0.01 | 0.53 | 0.94 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.01 | 0.03 | 0.16 | 1.98 | |||||||||||||
1971 | 0.03 | 0.03 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.85 | 0.22 | 0.23 | 0.00 | 0.19 | 1.62 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 0.00 | 0.03 | 0.00 | 1.42 | 0.55 | 0.00 | 2.13 | |||||||||||||
1973 | 0.01 | 0.60 | 0.47 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 0.00 | 0.00 | 0.05 | 0.00 | 1.39 | |||||||||||||
1974 | 1.25 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.40 | 0.12 | 0.00 | 0.47 | 2.47 | |||||||||||||
1975 | 0.04 | 0.02 | 0.11 | 1.09 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 1.40 | |||||||||||||
1976 | 0.01 | 1.42 | 0.00 | 0.43 | 0.04 | 0.00 | 0.37 | 0.00 | 2.93 | 1.12 | 0.75 | 0.05 | 7.12 | |||||||||||||
1977 | 0.12 | 0.02 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 4.89 | 0.00 | 0.26 | 0.00 | 0.77 | 6.12 | |||||||||||||
1978 | 1.28 | 0.28 | 0.75 | 0.08 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.82 | 0.65 | 0.78 | 4.74 | |||||||||||||
1979 | 1.13 | 0.21 | 1.26 | 0.00 | 0.25 | 0.00 | 0.46 | 0.22 | 0.00 | 0.00 | 0.00 | 0.03 | 3.56 | |||||||||||||
1980 | 1.12 | 1.91 | 1.14 | 0.13 | 0.60 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 4.91 | |||||||||||||
1981 | 0.95 | 0.45 | 0.77 | 0.00 | 0.04 | 0.00 | 0.00 | 0.17 | 0.00 | 0.00 | 0.32 | 0.00 | 2.70 | |||||||||||||
1982 | 0.20 | a | 0.15 | 0.27 | 0.00 | 0.00 | 0.00 | 0.76 | 0.04 | 0.16 | 0.00 | 0.11 | 1.86 | 3.55 | ||||||||||||
1983 | 0.22 | 1.63 | 1.63 | 0.00 | 0.00 | 0.00 | 0.00 | 3.05 | 0.75 | 0.00 | 0.00 | 0.84 | 8.12 | |||||||||||||
1984 | 0.31 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 0.02 | 0.13 | 0.00 | 0.27 | 1.46 | 2.19 | a | |||||||||||
1985 | 0.08 | 0.17 | ----- | z | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.97 | 0.27 | 1.00 | 0.52 | 3.07 | a | |||||||||||
1986 | 0.24 | 0.64 | 0.11 | 0.01 | 0.00 | 0.00 | 0.06 | 0.00 | 0.01 | 2.20 | 0.28 | 0.10 | 3.65 | |||||||||||||
1987 | 0.06 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 1.02 | 0.73 | 0.41 | 2.38 | |||||||||||||
1988 | 0.16 | a | 0.77 | a | 0.01 | 0.22 | 0.00 | 0.00 | 0.00 | 0.52 | b | 0.00 | 0.00 | 0.00 | 0.00 | 1.68 | ||||||||||
1989 | 0.84 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.88 | |||||||||||||
1990 | ----- | z | 0.01 | 0.00 | 0.00 | 0.30 | 0.06 | 0.00 | 1.37 | 0.99 | 0.14 | 0.00 | 0.00 | 2.87 | a | |||||||||||
1991 | 0.72 | 0.86 | 0.89 | 0.00 | 0.00 | 0.00 | 0.00 | 0.56 | 0.70 | 0.01 | 0.05 | 1.42 | 5.21 | |||||||||||||
1992 | 0.42 | 0.93 | 2.26 | 0.24 | 0.08 | 0.00 | 0.00 | 0.08 | 0.00 | 0.16 | 0.00 | 1.08 | 5.25 | |||||||||||||
1993 | 3.54 | 1.14 | 0.10 | 0.00 | 0.03 | 0.00 | 0.00 | 0.31 | 0.00 | 0.00 | 0.75 | 0.00 | 5.87 | |||||||||||||
1994 | 0.20 | 0.54 | 0.56 | 0.00 | 0.10 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.23 | 0.74 | 2.42 | |||||||||||||
1995 | 1.37 | 0.27 | 0.08 | 0.24 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 2.03 | |||||||||||||
1996 | 0.00 | 0.04 | 0.01 | 0.00 | 0.00 | 0.00 | 0.30 | 0.05 | 0.00 | 0.00 | 0.05 | 0.05 | 0.50 | |||||||||||||
1997 | 0.42 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.56 | 2.03 | |||||||||||||
1998 | 0.16 | 1.76 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.09 | 0.00 | 0.01 | 0.15 | 3.01 | |||||||||||||
1999 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 0.00 | 0.00 | 0.00 | 0.38 | |||||||||||||
2000 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | |||||||||||||
2001 | ----- | z | 0.88 | 0.47 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.35 | a | |||||||||||
2002 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 0.00 | 0.21 | 0.00 | 0.17 | 0.00 | 0.38 | a | |||||||||||
2003 | 0.00 | 1.12 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.52 | 0.00 | 0.00 | 0.08 | 0.00 | 1.97 | |||||||||||||
2004 | 0.00 | 1.29 | 0.43 | 0.56 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 1.24 | 0.51 | 1.13 | 5.26 | |||||||||||||
2005 | 0.95 | 1.57 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 0.85 | 0.00 | 0.00 | 3.39 | a | |||||||||||
2006 | 0.00 | 0.00 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | |||||||||||||
2007 | 0.00 | 0.00 | b | 0.00 | 0.00 | f | ----- | z | 0.00 | h | 0.00 | 0.00 | 0.00 | b | ----- | z | ----- | z | ----- | z | 0.00 | f | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.40 | 0.40 | 0.26 | 0.11 | 0.03 | 0.01 | 0.05 | 0.30 | 0.25 | 0.22 | 0.17 | 0.46 | 2.66 | |||||||||||||
S.D. | 0.61 | 0.55 | 0.42 | 0.29 | 0.10 | 0.04 | 0.16 | 0.75 | 0.82 | 0.56 | 0.29 | 0.73 | 1.94 | |||||||||||||
SKEW | 2.71 | 1.45 | 2.28 | 4.22 | 4.02 | 5.94 | 4.83 | 3.92 | 6.26 | 4.26 | 1.99 | 2.42 | 0.97 | |||||||||||||
MAX | 3.54 | 2.02 | 2.26 | 1.99 | 0.60 | 0.29 | 1.14 | 4.89 | 6.75 | 3.90 | 1.36 | 4.10 | 8.18 | |||||||||||||
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 | 0.00 | |||||||||||||
YRS | 86 | 90 | 87 | 85 | 90 | 86 | 87 | 87 | 86 | 86 | 84 | 91 | 69 |