YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | 0.26 | a | 0.40 | 0.00 | 1.88 | 0.11 | 0.00 | 4.11 | 1.89 | 0.08 | 0.04 | 2.73 | 1.10 | 12.60 | ||||||||||||
1907 | 0.95 | 0.00 | 0.00 | 0.00 | 0.90 | 1.20 | 4.45 | 0.90 | 0.92 | 8.05 | 1.50 | 0.00 | 18.87 | |||||||||||||
1908 | 1.00 | 0.00 | 0.00 | 0.50 | 3.70 | 1.10 | 6.85 | 2.90 | 0.75 | 0.00 | 0.25 | 0.00 | 17.05 | |||||||||||||
1909 | 0.08 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.08 | h | ||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | 0.16 | 2.42 | 2.87 | 1.57 | 5.96 | 0.03 | 0.04 | ----- | z | 13.05 | e | |||||||
1916 | ----- | z | 0.01 | 0.02 | 1.25 | 0.26 | 0.11 | 0.37 | 4.79 | 3.68 | 2.69 | 0.61 | 0.14 | 13.93 | a | |||||||||||
1917 | 0.55 | 0.01 | 0.05 | 0.00 | 0.38 | 0.00 | 0.36 | 2.49 | 1.58 | 0.00 | 0.46 | 0.00 | 5.88 | |||||||||||||
1918 | 1.45 | 0.17 | 0.00 | 0.00 | 0.82 | 0.13 | 1.33 | 0.69 | ----- | z | 1.39 | 1.71 | 0.40 | 8.09 | a | |||||||||||
1919 | 0.25 | 0.04 | 2.90 | 1.35 | 1.46 | 1.08 | 1.18 | 0.46 | 9.89 | 0.93 | c | 0.44 | 0.15 | d | 20.13 | |||||||||||
1920 | 1.07 | 0.17 | 0.00 | 0.00 | 1.87 | 1.18 | 2.14 | 4.12 | c | 1.51 | 0.42 | 1.90 | 0.00 | 14.38 | ||||||||||||
1921 | 0.02 | 0.76 | 0.53 | 0.00 | 2.78 | 6.20 | 2.06 | 0.39 | 1.16 | 0.00 | 0.00 | 0.00 | 13.90 | |||||||||||||
1922 | 0.14 | 0.25 | 0.08 | 3.60 | 1.90 | 0.86 | 2.21 | 0.37 | 2.06 | 0.53 | 0.28 | 0.00 | 12.28 | |||||||||||||
1923 | 0.33 | 3.25 | 0.78 | a | 3.42 | 0.12 | 0.40 | 2.30 | ----- | z | 0.14 | 6.77 | ----- | z | 1.84 | a | 19.35 | b | ||||||||
1924 | 0.00 | 0.45 | 0.41 | 0.11 | 0.38 | 0.06 | 0.46 | 3.61 | 0.00 | 0.09 | 0.25 | ----- | z | 5.82 | a | |||||||||||
1925 | ----- | z | ----- | z | 0.00 | 0.99 | 0.64 | ----- | z | ----- | z | 3.95 | 0.74 | 0.50 | 0.04 | 0.00 | 6.86 | d | ||||||||
1926 | 0.49 | 0.00 | 1.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.84 | i | |||
1927 | ----- | z | ----- | z | ----- | z | 0.01 | 0.00 | 2.30 | 1.26 | 0.24 | 0.68 | 0.00 | 0.00 | 0.95 | 5.44 | c | |||||||||
1928 | 0.10 | 0.32 | 0.00 | 0.20 | 1.80 | 1.49 | 1.76 | 3.50 | 0.64 | 2.36 | 0.46 | ----- | z | 12.63 | a | |||||||||||
1929 | 0.00 | 0.00 | 2.05 | 1.27 | 1.59 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.01 | 4.92 | e | |||||||
1930 | 0.18 | 0.00 | 0.00 | 0.84 | 0.15 | 2.29 | 0.00 | 1.27 | 0.00 | 4.18 | a | 0.44 | 0.90 | 10.25 | ||||||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1932 | ----- | z | ----- | z | 0.36 | 0.70 | 4.22 | 2.52 | 1.55 | 2.45 | 4.36 | 0.53 | 0.00 | 1.63 | 18.32 | b | ||||||||||
1933 | 0.15 | 1.03 | 0.00 | 0.00 | ----- | z | 0.72 | 1.38 | 4.11 | 1.25 | 0.03 | 0.16 | 0.00 | 8.83 | a | |||||||||||
1934 | 0.00 | 0.00 | 0.87 | 1.19 | 0.64 | 0.40 | 1.39 | 1.60 | 0.23 | 0.69 | 0.08 | 0.08 | 7.17 | |||||||||||||
1935 | 0.04 | 0.70 | 0.55 | ----- | z | 0.85 | 2.18 | ----- | z | 1.11 | 3.04 | ----- | z | ----- | z | ----- | z | 8.47 | e | |||||||
1936 | 0.75 | 0.00 | 0.08 | 0.15 | ----- | z | ----- | z | ----- | z | 0.14 | 5.08 | 0.83 | 0.81 | ----- | z | 7.84 | d | ||||||||
1937 | 0.00 | ----- | z | ----- | z | 0.38 | 3.06 | 0.59 | 0.15 | 3.64 | ----- | z | ----- | z | ----- | z | 0.85 | 8.67 | e | |||||||
1938 | 1.11 | 0.76 | 0.29 | 0.20 | 0.04 | 1.84 | 3.33 | 0.02 | 1.24 | 0.83 | ----- | z | ----- | z | 9.66 | b | ||||||||||
1939 | 1.30 | 0.00 | 0.15 | 0.07 | 1.17 | 0.45 | ----- | z | 0.40 | 0.15 | 1.35 | 0.63 | 0.30 | 5.97 | a | |||||||||||
1940 | 0.13 | 0.56 | 0.33 | 0.81 | 1.39 | 3.55 | 0.05 | 2.21 | 0.06 | 2.25 | 0.98 | 0.00 | 12.32 | |||||||||||||
1941 | 0.13 | a | 0.86 | 3.35 | 0.43 | 12.42 | 4.02 | 2.70 | 1.35 | 5.47 | 3.19 | 0.14 | 0.40 | 34.46 | ||||||||||||
1942 | 0.16 | 0.35 | 0.00 | 2.40 | 0.66 | 0.55 | 0.13 | 4.63 | 0.70 | 0.65 | 0.00 | 1.88 | 12.11 | |||||||||||||
1943 | 0.14 | 0.00 | 0.28 | 0.45 | 0.84 | 4.90 | 1.64 | 0.33 | 0.85 | 0.65 | 0.50 | 2.01 | 12.59 | |||||||||||||
1944 | 1.03 | 0.62 | 0.00 | 0.33 | 1.31 | 0.94 | 1.77 | 3.65 | 4.35 | 0.51 | 1.24 | 0.62 | 16.37 | |||||||||||||
1945 | 0.97 | 0.00 | 0.53 | 0.00 | 0.00 | 0.41 | 2.97 | 1.49 | 1.81 | 1.51 | 0.00 | 0.14 | 9.83 | |||||||||||||
1946 | 1.34 | 0.04 | 0.20 | 0.23 | 0.84 | 1.08 | 3.19 | 3.29 | 4.06 | 2.70 | 0.24 | 1.00 | 18.21 | |||||||||||||
1947 | 0.76 | 0.00 | 1.10 | 0.32 | 2.14 | 0.46 | 1.61 | p | 0.87 | 0.12 | a | 0.73 | e | 0.56 | c | 0.15 | d | 7.21 | a | |||||||
1948 | 0.24 | a | 1.00 | 0.15 | 0.30 | 0.47 | 3.29 | 1.90 | a | 0.00 | a | 0.72 | a | 0.93 | 0.00 | 0.16 | 9.16 | |||||||||
1949 | 2.75 | 0.23 | 0.09 | 1.42 | 0.84 | d | 1.11 | c | 1.44 | b | 2.10 | 6.42 | a | 0.38 | 0.00 | 0.25 | 17.03 | |||||||||
1950 | 0.08 | 0.00 | 0.00 | 0.85 | 0.57 | 2.70 | 4.31 | 0.63 | 1.53 | 0.37 | 0.00 | a | 0.00 | 11.04 | ||||||||||||
1951 | 0.00 | 0.12 | 0.58 | 0.22 | 3.68 | a | 1.10 | 2.19 | 2.19 | 0.44 | a | 0.20 | b | 0.10 | 0.00 | 10.82 | ||||||||||
1952 | 0.15 | 0.17 | b | 0.04 | 0.09 | 0.93 | 0.02 | a | 1.27 | a | 0.00 | 1.25 | 0.00 | 0.45 | 0.00 | 4.37 | ||||||||||
1953 | 0.00 | 0.15 | 0.50 | 0.47 | 1.25 | 0.24 | 0.69 | a | 1.21 | 0.40 | 3.16 | 0.00 | 0.75 | 8.82 | ||||||||||||
1954 | 0.00 | 0.00 | 0.00 | 2.79 | 2.71 | 0.08 | a | 0.00 | 2.83 | 0.13 | 1.73 | 0.22 | 0.05 | 10.54 | ||||||||||||
1955 | 0.11 | 0.02 | 0.09 | 0.47 | 1.85 | 1.34 | 0.53 | 1.90 | 3.02 | 2.12 | 0.42 | 0.00 | 11.87 | |||||||||||||
1956 | 0.00 | 1.17 | 0.00 | 0.15 | 1.06 | 0.53 | b | 0.67 | 0.43 | a | 0.17 | 1.07 | 0.00 | 0.23 | 5.48 | |||||||||||
1957 | 0.14 | 0.77 | 0.37 | 1.32 | 2.99 | 0.58 | 1.06 | o | 3.13 | 1.45 | 2.26 | 1.05 | 0.00 | 14.06 | a | |||||||||||
1958 | 1.15 | 0.86 | 1.44 | 0.54 | 0.92 | 0.72 | 1.48 | 4.07 | 4.38 | 2.76 | 0.53 | 0.00 | 18.85 | |||||||||||||
1959 | 0.03 | 0.05 | 0.04 | 0.18 | 3.47 | 1.06 | 1.66 | 0.75 | 0.17 | 1.41 | 0.05 | 0.73 | 9.60 | |||||||||||||
1960 | 0.33 | 0.30 | 0.28 | 0.28 | 0.79 | 1.11 | 8.70 | 2.12 | 0.13 | 2.59 | 0.02 | 1.69 | 18.34 | |||||||||||||
1961 | 1.37 | 0.40 | 1.18 | 0.09 | 1.22 | 0.88 | 3.15 | 0.54 | 1.37 | 0.05 | 1.49 | 0.08 | 11.82 | |||||||||||||
1962 | 0.33 | 0.15 | 0.08 | 0.30 | 0.20 | 5.79 | 2.90 | 3.15 | 2.43 | 0.93 | 0.00 | 0.26 | 16.52 | |||||||||||||
1963 | 0.00 | 0.17 | 0.00 | 0.90 | 1.90 | 1.63 | 2.48 | 2.73 | 0.40 | 0.00 | 0.03 | 0.28 | 10.52 | |||||||||||||
1964 | 0.00 | 0.16 | 0.20 | 0.00 | 1.07 | 1.24 | 0.17 | 1.21 | 0.81 | 0.22 | 0.00 | 0.30 | 5.38 | |||||||||||||
1965 | 0.00 | 0.12 | 0.00 | 0.18 | 1.05 | 2.89 | 0.97 | 2.76 | 0.95 | 0.39 | 0.11 | 0.54 | 9.96 | |||||||||||||
1966 | 0.23 | 0.07 | 0.73 | 1.25 | 0.43 | 2.04 | 1.30 | 7.13 | 1.99 | 0.00 | 0.00 | 0.00 | 15.17 | |||||||||||||
1967 | 0.00 | 0.06 | 0.82 | 1.83 | 0.08 | 3.47 | 1.99 | 1.06 | 4.39 | 0.02 | 0.44 | 0.68 | 14.84 | |||||||||||||
1968 | 0.66 | 1.09 | 1.54 | 0.64 | 3.24 | 0.64 | 4.89 | 1.28 | 0.07 | 0.39 | 1.94 | 0.21 | 16.59 | |||||||||||||
1969 | 0.00 | 0.99 | 0.85 | 0.66 | 3.00 | 1.75 | 0.89 | 0.87 | 2.19 | 8.45 | f | 0.25 | 0.53 | 11.98 | a | |||||||||||
1970 | 0.00 | 0.31 | 1.20 | 0.02 | 0.50 | 2.00 | 2.81 | 0.49 | 1.93 | 0.51 | 0.00 | 0.00 | 9.77 | |||||||||||||
1971 | 0.04 | 0.00 | 0.00 | 0.60 | 1.20 | 0.53 | 1.47 | 7.13 | 3.64 | 1.08 | 0.00 | 1.11 | 16.80 | |||||||||||||
1972 | 0.09 | 0.00 | 0.28 | 0.00 | 1.65 | 6.37 | 0.64 | 2.14 | 4.47 | 1.87 | a | 0.41 | 0.00 | 17.92 | ||||||||||||
1973 | 0.73 | 1.82 | 0.68 | 0.00 | 1.06 | 0.69 | ----- | z | 0.57 | 2.39 | 0.42 | 0.00 | 0.00 | 8.36 | a | |||||||||||
1974 | 0.10 | 0.00 | 0.49 | 0.54 | 0.85 | 1.77 | 0.40 | 5.89 | 7.35 | 3.67 | 0.33 | b | 0.71 | 22.10 | ||||||||||||
1975 | 0.57 | 1.44 | 0.11 | 0.24 | 5.23 | 1.40 | 12.31 | 1.15 | 1.30 | 0.35 | w | 0.28 | 0.30 | 24.33 | a | |||||||||||
1976 | 0.27 | 0.20 | 0.03 | 0.82 | 1.43 | 0.70 | 2.08 | 0.65 | 3.53 | 1.21 | 0.95 | 0.00 | 11.87 | |||||||||||||
1977 | 0.32 | 0.24 | 0.85 | 1.03 | 1.89 | 2.59 | 0.13 | 1.09 | 0.05 | 1.05 | 0.18 | 0.00 | 9.42 | |||||||||||||
1978 | 0.28 | ----- | z | ----- | z | 0.33 | 1.84 | 4.94 | 0.45 | 0.57 | 5.75 | 1.27 | 1.28 | 0.00 | 16.71 | b | ||||||||||
1979 | 0.27 | 0.30 | 0.12 | 0.00 | ----- | z | 4.55 | ----- | z | ----- | z | 0.47 | 0.00 | 0.09 | 0.92 | 6.72 | c | |||||||||
1980 | 0.88 | 0.36 | 0.00 | 0.47 | 3.15 | 0.33 | 0.00 | 1.06 | 6.80 | 0.01 | 1.80 | 0.10 | 14.96 | |||||||||||||
1981 | 0.26 | 0.43 | 0.30 | 2.20 | 1.68 | 5.62 | 3.35 | 2.26 | 2.25 | 2.69 | 0.10 | 0.20 | 21.34 | |||||||||||||
1982 | 0.31 | 0.11 | 0.19 | 1.47 | 2.14 | 0.82 | 0.90 | 1.18 | 2.11 | 0.28 | 1.12 | 1.74 | 12.37 | |||||||||||||
1983 | 1.33 | 0.46 | 0.26 | 0.65 | 1.59 | 0.68 | 0.11 | 1.61 | 3.00 | 1.98 | 1.56 | 0.19 | 13.42 | |||||||||||||
1984 | 0.06 | 0.00 | 0.00 | 0.00 | 3.97 | 1.09 | n | 0.40 | c | 8.13 | 1.73 | 2.56 | 1.21 | 1.86 | 19.92 | a | ||||||||||
1985 | 0.13 | 0.49 | 0.40 | 0.00 | m | 2.80 | 5.72 | 1.53 | 1.14 | 3.67 | 3.31 | e | 0.00 | 0.00 | 19.19 | a | ||||||||||
1986 | 0.00 | 0.60 | 0.03 | 0.00 | 1.70 | 6.97 | 1.84 | 3.85 | 3.07 | 2.22 | 2.15 | 2.89 | 25.32 | |||||||||||||
1987 | 0.18 | 0.79 | 0.37 | 0.09 | 3.72 | 1.62 | 0.10 | 3.02 | 1.28 | 0.61 | 0.20 | 1.09 | 13.07 | |||||||||||||
1988 | 0.12 | 0.57 | 0.38 | 0.97 | 1.56 | 1.09 | 2.49 | w | 2.50 | 6.49 | d | 0.00 | 0.00 | 0.43 | 14.11 | a | ||||||||||
1989 | 0.10 | 1.62 | 0.44 | 0.00 | 0.10 | 0.60 | 0.52 | 5.36 | 1.05 | 0.00 | 0.00 | 0.45 | h | 9.79 | a | |||||||||||
1990 | 0.52 | 0.27 | 0.34 | 0.63 | 0.60 | a | 0.00 | 5.25 | 1.33 | 4.44 | 0.83 | 0.69 | 0.25 | 15.15 | ||||||||||||
1991 | 0.84 | 0.15 | u | 0.00 | 0.00 | 0.02 | 1.43 | 3.46 | 2.97 | a | 7.19 | 0.00 | 0.96 | 3.90 | c | 20.77 | a | |||||||||
1992 | 0.91 | 0.81 | 0.35 | 0.25 | 6.61 | 3.92 | a | 0.64 | 1.29 | 0.23 | 0.07 | g | 0.54 | ----- | z | 15.55 | b | |||||||||
1993 | ----- | z | 0.44 | a | 0.32 | 1.20 | 0.00 | 2.29 | l | 6.54 | 1.32 | 0.48 | 0.54 | 0.10 | k | 0.06 | 10.90 | c | ||||||||
1994 | 0.26 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.26 | 0.24 | ----- | z | 1.04 | 0.02 | 1.82 | f | ||||||
1995 | 0.61 | 0.60 | 0.00 | 0.06 | 1.87 | 2.04 | 0.07 | 0.88 | 4.59 | f | 0.40 | 0.00 | 0.00 | 6.53 | a | |||||||||||
1996 | 0.00 | 0.00 | 0.00 | 0.60 | b | ----- | z | ----- | z | 2.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.83 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.40 | 0.39 | 0.40 | 0.63 | 1.66 | 1.79 | 2.01 | 2.08 | 2.21 | 1.23 | 0.50 | 0.50 | 13.77 | |||||||||||||
S.D. | 0.50 | 0.53 | 0.61 | 0.77 | 1.80 | 1.74 | 2.12 | 1.75 | 2.20 | 1.48 | 0.62 | 0.74 | 5.41 | |||||||||||||
SKEW | 1.92 | 2.64 | 2.72 | 1.93 | 3.19 | 1.37 | 2.36 | 1.31 | 1.22 | 2.23 | 1.47 | 2.22 | 1.15 | |||||||||||||
MAX | 2.75 | 3.25 | 3.35 | 3.60 | 12.42 | 6.97 | 12.31 | 8.13 | 9.89 | 8.05 | 2.73 | 3.90 | 34.46 | |||||||||||||
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 | 4.37 | |||||||||||||
YRS | 79 | 78 | 80 | 80 | 78 | 76 | 72 | 79 | 78 | 75 | 77 | 74 | 50 |