YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.10 | 0.00 | r | 0.10 | k | |
1905 | 0.90 | 1.09 | 1.99 | 5.26 | 4.14 | a | 1.49 | 4.32 | 2.71 | 1.86 | ----- | z | 0.47 | 0.09 | 24.32 | a | ||||||||||
1906 | 0.01 | 0.02 | ----- | z | 4.60 | 1.30 | 1.80 | 3.90 | 2.60 | 3.00 | 3.20 | 2.50 | 0.00 | 22.93 | a | |||||||||||
1907 | ----- | z | 0.00 | 0.10 | 1.60 | a | 3.40 | ----- | z | ----- | z | 4.60 | n | 0.60 | 5.50 | ----- | z | 0.00 | 11.20 | e | ||||||
1908 | ----- | z | 1.50 | 0.00 | 5.40 | 2.80 | 1.90 | 4.10 | ----- | z | ----- | z | 1.00 | a | ----- | z | 0.02 | 16.72 | d | |||||||
1909 | 0.22 | 0.10 | 0.66 | 0.00 | 1.25 | 2.39 | 4.09 | 0.51 | a | 0.47 | 0.97 | a | 4.22 | 0.75 | 15.63 | |||||||||||
1910 | 0.00 | 0.10 | 0.41 | 1.34 | 2.07 | 3.74 | 2.06 | 1.16 | 0.00 | 0.02 | 0.00 | 0.00 | 10.90 | |||||||||||||
1911 | 0.00 | 4.28 | 0.74 | 1.01 | 5.62 | 0.04 | 4.67 | 2.90 | 1.23 | 1.57 | b | 0.25 | 0.80 | 23.11 | ||||||||||||
1912 | 0.00 | 1.20 | 0.15 | 1.60 | 0.65 | 2.50 | 1.96 | 3.20 | 3.34 | a | 0.00 | 0.02 | 1.05 | 15.67 | ||||||||||||
1913 | 0.06 | 0.90 | a | 0.14 | ----- | z | 2.10 | 0.00 | 0.00 | 0.25 | 4.95 | ----- | z | 3.20 | 2.03 | 13.63 | b | |||||||||
1914 | 0.00 | 0.00 | 0.00 | 1.81 | 5.41 | 1.40 | 2.24 | 3.12 | 1.05 | 7.31 | 0.00 | 0.90 | 23.24 | |||||||||||||
1915 | 0.02 | 3.35 | 0.50 | 5.96 | 2.44 | 1.76 | 3.46 | 3.12 | 5.84 | b | 2.25 | 0.10 | 0.00 | 28.80 | ||||||||||||
1916 | 0.10 | 0.00 | 0.60 | 2.57 | 1.55 | 2.09 | 0.87 | 4.32 | 2.69 | 4.72 | 0.30 | 0.65 | 20.46 | |||||||||||||
1917 | 0.30 | 0.41 | 0.00 | 0.78 | 2.01 | 0.00 | 1.47 | 5.41 | 1.30 | 0.00 | 0.92 | 0.00 | 12.60 | |||||||||||||
1918 | 0.21 | 0.64 | 0.29 | 1.50 | 2.30 | 1.40 | a | 3.86 | 1.75 | 1.70 | 4.40 | 1.20 | a | 2.81 | b | 22.06 | ||||||||||
1919 | 0.00 | 0.00 | 2.05 | 2.75 | 4.94 | 2.22 | 1.07 | 4.03 | 2.70 | a | 0.86 | e | 0.19 | 1.15 | 21.96 | |||||||||||
1920 | 0.25 | 0.00 | 0.60 | 1.20 | 5.67 | 2.00 | 0.00 | a | 4.26 | 2.91 | 3.91 | 0.20 | 1.27 | 22.27 | ||||||||||||
1921 | 1.98 | 0.60 | 0.43 | 0.46 | 2.99 | 11.34 | ----- | z | 0.77 | 0.76 | 0.00 | 0.00 | 0.00 | 19.33 | a | |||||||||||
1922 | 0.26 | 0.66 | 1.88 | a | 2.93 | 1.96 | 2.17 | 0.00 | 1.10 | 0.62 | 0.00 | 1.72 | 0.00 | 13.30 | ||||||||||||
1923 | 0.00 | 0.88 | 2.38 | 1.39 | 0.57 | 8.08 | 3.41 | 3.39 | 12.68 | 8.26 | a | 1.36 | 0.40 | 42.80 | ||||||||||||
1924 | 0.00 | 0.10 | 1.29 | 0.26 | 0.76 | 1.82 | 2.99 | 5.35 | 1.08 | 2.95 | 1.58 | 0.20 | 18.38 | |||||||||||||
1925 | 0.25 | 0.00 | 0.05 | 0.41 | 4.74 | 1.06 | 6.47 | 2.03 | 6.22 | 1.12 | 0.96 | 0.00 | 23.31 | |||||||||||||
1926 | 0.15 | 0.00 | 1.52 | 2.55 | 4.14 | 3.49 | 1.10 | 0.24 | 7.44 | c | 2.76 | 0.00 | 0.98 | 24.37 | ||||||||||||
1927 | 0.22 | 0.10 | 0.76 | 0.81 | 0.39 | 0.70 | 0.41 | 3.09 | 2.98 | 0.00 | 0.00 | 0.71 | 10.17 | |||||||||||||
1928 | 0.00 | 1.41 | 0.85 | 1.56 | 6.12 | 0.91 | 4.66 | 3.45 | 1.20 | 2.45 | 2.87 | 0.08 | 25.56 | |||||||||||||
1929 | 0.07 | 0.25 | 1.78 | 0.00 | 4.18 | a | 0.45 | 0.48 | 0.92 | 4.35 | 2.87 | 1.22 | 0.40 | 16.97 | ||||||||||||
1930 | 0.90 | 0.05 | 1.45 | 0.34 | 0.32 | 3.00 | 0.74 | 0.71 | 0.00 | 2.83 | 0.31 | 1.07 | 11.72 | |||||||||||||
1931 | 0.43 | 2.11 | 1.72 | 1.58 | 2.30 | 0.91 | 1.50 | 2.80 | 0.59 | 1.26 | 3.76 | 1.16 | 20.12 | |||||||||||||
1932 | 0.30 | 0.00 | 0.00 | 1.72 | 0.10 | 6.23 | 0.81 | 2.87 | 1.87 | 0.54 | 0.00 | 1.39 | 15.83 | |||||||||||||
1933 | 0.00 | 0.00 | 0.21 | 0.30 | 1.41 | 0.00 | 0.88 | 5.20 | 1.05 | 0.41 | 2.83 | 0.11 | 12.40 | |||||||||||||
1934 | 0.00 | 0.00 | 1.10 | 0.36 | 5.87 | 2.53 | 0.00 | 1.51 | 0.42 | 0.50 | 1.45 | 0.25 | 13.99 | |||||||||||||
1935 | 0.27 | 0.45 | 1.31 | 0.00 | 3.42 | 1.95 | 0.85 | 7.60 | 0.90 | 0.57 | 1.36 | 0.20 | 18.88 | |||||||||||||
1936 | 0.60 | 0.40 | 0.00 | 0.92 | 5.28 | 1.32 | 1.08 | 0.00 | 4.86 | 0.78 | 0.00 | 0.83 | 16.07 | |||||||||||||
1937 | 0.10 | 0.00 | 1.11 | 0.30 | 7.35 | 2.39 | 1.55 | 1.60 | 2.19 | 1.06 | 0.00 | 0.10 | 17.75 | |||||||||||||
1938 | 0.30 | 1.27 | 1.67 | 0.97 | a | 4.58 | 2.81 | 0.92 | 0.55 | 2.91 | a | 1.33 | 0.00 | 0.15 | 17.46 | |||||||||||
1939 | 2.06 | 0.70 | 0.76 | 2.36 | 1.45 | 5.15 | 1.23 | 2.87 | 0.05 | 1.64 | 0.03 | 0.90 | 19.20 | |||||||||||||
1940 | 0.95 | 1.10 | a | 0.00 | 2.08 | 2.00 | 2.82 | 0.09 | 1.88 | 1.86 | 1.52 | 2.96 | 0.53 | a | 17.79 | |||||||||||
1941 | 0.23 | 0.98 | 1.84 | 1.14 | 8.35 | 7.93 | 2.69 | 3.18 | 3.82 | 7.76 | 0.15 | 1.04 | 39.11 | |||||||||||||
1942 | 0.14 | 0.45 | a | 0.53 | 2.62 | 2.87 | 2.36 | 1.70 | a | 3.23 | a | 2.81 | 4.54 | 0.00 | 1.44 | 22.69 | ||||||||||
1943 | 0.00 | 0.00 | 0.05 | ----- | z | 2.50 | e | ----- | z | 0.59 | j | 2.35 | 0.65 | 0.00 | 1.00 | ----- | z | 6.55 | d | |||||||
1944 | ----- | z | 1.55 | ----- | z | ----- | z | 2.58 | 3.08 | 7.31 | 2.38 | 2.91 | ----- | z | ----- | z | ----- | z | 19.81 | f | ||||||
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.67 | ----- | z | ----- | z | ----- | z | 2.67 | k | |
1946 | ----- | z | ----- | z | ----- | z | 0.56 | 1.37 | 3.20 | 0.00 | 4.67 | 3.55 | ----- | z | ----- | z | ----- | z | 13.35 | f | ||||||
1947 | ----- | z | ----- | z | ----- | z | 1.41 | 5.74 | 2.08 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9.23 | i | |||
1948 | ----- | z | ----- | z | ----- | z | 1.24 | 2.86 | 3.40 | 2.78 | 3.08 | ----- | z | ----- | z | ----- | z | ----- | z | 13.36 | g | |||||
1949 | ----- | z | ----- | z | ----- | z | 1.64 | 4.48 | 3.72 | 5.45 | 3.43 | 2.26 | u | ----- | z | 0.00 | w | ----- | z | 18.72 | g | |||||
1950 | ----- | z | ----- | z | ----- | z | 0.41 | 1.44 | 3.75 | 9.09 | 3.43 | 3.52 | 0.52 | ----- | z | ----- | z | 22.16 | e | |||||||
1951 | ----- | z | ----- | z | ----- | z | 2.03 | 11.71 | 8.62 | 2.96 | 0.73 | 1.11 | 1.50 | 0.20 | ----- | z | 28.86 | d | ||||||||
1952 | ----- | z | ----- | z | ----- | z | 2.51 | 1.40 | 5.24 | 2.05 | 0.87 | 0.47 | 0.00 | 0.78 | 0.37 | 13.69 | c | |||||||||
1953 | 0.61 | 0.54 | 0.62 | 1.46 | 0.57 | 0.47 | 3.09 | 3.44 | 0.58 | 4.47 | 0.85 | 0.57 | 17.27 | |||||||||||||
1954 | ----- | z | 0.00 | 0.12 | 3.57 | 7.74 | 3.18 | 1.46 | 3.43 | 0.55 | 0.26 | ----- | z | ----- | z | 20.31 | c | |||||||||
1955 | ----- | z | ----- | z | 0.05 | 0.80 | 5.78 | 5.99 | 1.82 | 1.42 | 1.23 | 0.00 | 0.03 | 0.14 | 17.26 | b | ||||||||||
1956 | ----- | z | 1.13 | 0.00 | 0.11 | 5.17 | 1.93 | 1.77 | 1.27 | 1.00 | 0.67 | 0.00 | 0.04 | 13.09 | a | |||||||||||
1957 | 0.50 | 1.11 | 2.44 | 4.83 | 6.13 | 1.38 | 1.34 | 3.84 | 0.08 | 4.09 | 1.57 | 0.03 | 27.34 | |||||||||||||
1958 | 1.45 | 0.44 | 2.64 | 2.27 | 2.23 | 4.68 | 6.76 | 1.50 | 2.27 | 0.00 | 0.39 | 0.17 | 24.80 | |||||||||||||
1959 | 0.25 | 0.04 | 0.09 | 1.42 | 6.33 | 2.58 | 4.89 | 6.43 | 1.58 | 2.72 | 0.07 | 4.81 | 31.21 | |||||||||||||
1960 | 1.31 | 1.86 | f | 1.17 | a | 0.51 | 2.60 | b | 7.54 | 4.52 | 3.82 | ----- | z | 6.80 | 0.00 | 0.67 | b | 28.94 | b | |||||||
1961 | 0.09 | 0.54 | 2.77 | 0.00 | 0.85 | 5.11 | 7.17 | 1.63 | 1.84 | ----- | z | ----- | z | ----- | z | 20.00 | c | |||||||||
1962 | ----- | z | ----- | z | 0.00 | 1.25 | 0.55 | 6.56 | ----- | z | ----- | z | 2.60 | 2.95 | 1.30 | 0.38 | 15.59 | d | ||||||||
1963 | 0.00 | 0.45 | 0.00 | 1.20 | 1.14 | 4.24 | 1.79 | 7.96 | 0.44 | 0.43 | ----- | z | ----- | z | 17.65 | b | ||||||||||
1964 | ----- | z | 2.30 | 0.36 | 0.05 | 1.81 | 4.40 | 1.51 | 1.22 | 2.97 | 1.14 | 1.53 | 0.84 | 18.13 | a | |||||||||||
1965 | 0.30 | 0.40 | 0.59 | 0.67 | 1.45 | 10.87 | 2.89 | 1.91 | 3.26 | 1.10 | 0.00 | 0.33 | 23.77 | |||||||||||||
1966 | 0.55 | 0.45 | 0.00 | 2.02 | 2.24 | 2.69 | 0.82 | 3.69 | 1.48 | 0.49 | 0.08 | 0.18 | 14.69 | |||||||||||||
1967 | 0.00 | 0.01 | 0.87 | 1.06 | 0.30 | 3.17 | 1.93 | 1.13 | 1.82 | 0.47 | 0.20 | 0.37 | 11.33 | |||||||||||||
1968 | 2.20 | 0.84 | 0.61 | 0.72 | 3.66 | 2.92 | ----- | z | 4.27 | 0.70 | 0.25 | 1.73 | 0.00 | 17.90 | a | |||||||||||
1969 | 0.00 | 0.43 | 1.44 | 0.00 | 4.68 | 2.63 | 2.51 | 2.62 | 4.69 | 3.92 | 0.32 | 0.66 | 23.90 | |||||||||||||
1970 | 0.00 | 0.00 | 0.93 | 0.90 | 0.20 | 1.43 | 1.07 | 2.99 | 0.83 | 0.71 | 0.33 | 0.00 | 9.39 | |||||||||||||
1971 | 0.02 | 1.33 | 0.00 | 0.80 | 0.60 | 2.41 | 2.50 | 1.92 | 4.53 | 3.58 | 2.57 | 0.72 | 20.98 | |||||||||||||
1972 | 0.03 | 0.08 | 0.00 | 0.24 | 4.56 | 4.62 | 3.82 | 1.19 | 0.53 | 2.10 | 1.42 | 0.51 | 19.10 | |||||||||||||
1973 | 0.71 | 0.69 | 4.84 | 1.87 | 2.03 | 0.73 | 6.33 | 0.93 | 4.37 | 0.69 | 0.00 | 0.00 | 23.19 | |||||||||||||
1974 | 0.40 | a | 0.36 | 1.17 | 0.27 | 2.37 | 2.36 | 0.47 | 7.67 | 2.25 | 3.91 | 0.12 | 0.38 | 21.73 | ||||||||||||
1975 | 0.49 | 0.84 | 0.36 | 1.27 | 5.38 | 2.64 | 5.99 | 3.06 | 0.65 | 0.00 | 1.29 | 0.16 | 22.13 | |||||||||||||
1976 | 0.00 | 0.00 | 1.33 | 2.08 | 2.85 | 3.55 | 2.22 | 1.11 | 4.91 | 1.56 | 0.35 | 0.00 | 19.96 | |||||||||||||
1977 | 0.10 | 1.28 | 0.67 | 3.96 | 8.93 | 1.85 | 3.75 | 7.74 | 0.19 | 0.48 | 0.36 | 0.00 | 29.31 | |||||||||||||
1978 | 0.27 | 1.05 | 0.15 | 0.37 | 7.26 | 4.34 | 0.94 | 1.26 | 3.49 | 2.09 | 0.57 | 0.08 | 21.87 | |||||||||||||
1979 | 1.58 | 0.59 | 2.69 | 3.38 | 1.79 | 5.00 | 4.57 | 6.73 | 0.38 | 2.04 | 0.35 | 0.17 | 29.27 | |||||||||||||
1980 | 0.85 | 0.30 | 1.61 | 0.85 | 4.49 | 1.44 | 1.32 | 1.38 | 1.83 | 0.46 | ----- | z | 0.75 | 15.28 | a | |||||||||||
1981 | 0.00 | 0.07 | 1.39 | 2.68 | 0.89 | 2.32 | 6.71 | 5.78 | 1.67 | 3.89 | 0.83 | b | 0.00 | 26.23 | ||||||||||||
1982 | 0.00 | 0.00 | a | 0.51 | 0.54 | 3.37 | 5.14 | 6.61 | 1.05 | 0.91 | 0.00 | 0.25 | 0.40 | 18.78 | ||||||||||||
1983 | ----- | z | 0.00 | b | ----- | z | 0.25 | c | 1.04 | a | 2.56 | 0.09 | 0.54 | a | 0.40 | ----- | z | 0.25 | n | 0.27 | 5.15 | d | ||||
1984 | 0.64 | 0.51 | 1.19 | 0.95 | 0.12 | 7.75 | 1.24 | 1.40 | 1.45 | 2.37 | 1.10 | 1.75 | 20.47 | |||||||||||||
1985 | 0.36 | 0.84 | 2.33 | 1.32 | 1.16 | 4.42 | 3.20 | 1.70 | 7.16 | 4.82 | 0.52 | 0.21 | 28.04 | |||||||||||||
1986 | 0.00 | 1.49 | 0.19 | 0.48 | 2.71 | 2.60 | 0.52 | 5.33 | 3.12 | 4.62 | 1.88 | 0.90 | 23.84 | |||||||||||||
1987 | 0.56 | 1.18 | 1.21 | 0.25 | 5.05 | 1.95 | 4.19 | 4.95 | 3.70 | 1.42 | 0.18 | 2.01 | 26.65 | |||||||||||||
1988 | 0.35 | 0.08 | 2.10 | 3.19 | 2.24 | 4.83 | 2.33 | 2.80 | 4.11 | ----- | z | ----- | z | 0.10 | 22.13 | b | ||||||||||
1989 | 0.46 | 0.48 | 1.22 | 0.11 | 4.18 | 8.06 | 1.64 | 3.97 | 2.71 | 0.03 | 0.00 | 0.26 | 23.12 | |||||||||||||
1990 | 1.12 | 1.51 | 2.52 | 1.04 | 1.75 | 0.43 | 1.74 | 1.76 | 2.87 | 0.83 | 0.30 | 0.10 | 15.97 | |||||||||||||
1991 | 0.71 | 0.00 | 0.72 | 0.01 | 4.27 | 2.91 | 4.11 | a | 2.19 | 3.10 | 0.72 | 1.81 | 2.59 | 23.14 | ||||||||||||
1992 | 0.69 | 0.44 | 1.60 | 2.03 | 3.75 | 6.28 | 1.96 | 2.45 | 1.22 | 0.47 | 1.82 | 0.94 | 23.65 | |||||||||||||
1993 | 0.68 | 0.84 | 1.35 | 0.54 | 2.64 | 3.18 | 3.73 | 4.34 | 1.23 | 0.50 | 0.75 | 0.44 | 20.22 | |||||||||||||
1994 | 0.82 | 0.15 | 1.31 | 2.27 | 1.77 | 1.23 | 4.82 | 2.53 | 2.59 | 0.49 | 1.20 | 0.32 | 19.50 | |||||||||||||
1995 | 0.35 | 0.00 | 0.59 | 0.55 | 4.70 | 4.21 | 3.52 | 2.42 | 4.83 | 0.98 | 0.03 | 0.95 | a | 23.13 | ||||||||||||
1996 | 0.00 | 0.10 | 0.21 | 0.00 | 0.62 | 4.14 | 5.99 | a | 4.46 | 1.64 | 0.44 | 1.24 | 0.60 | 19.44 | ||||||||||||
1997 | 0.46 | a | 1.10 | 0.00 | 11.05 | 3.59 | 2.71 | b | 2.03 | 3.42 | 2.50 | 1.48 | 0.84 | 2.15 | 31.33 | |||||||||||
1998 | 0.31 | d | 2.03 | 3.35 | 0.91 | 1.06 | 0.13 | 1.38 | 1.12 | 0.36 | 6.37 | 1.52 | 0.45 | 18.99 | ||||||||||||
1999 | 2.25 | 0.06 | 1.51 | 3.28 | 5.54 | 4.48 | 2.66 | f | 3.98 | 2.13 | ----- | z | 0.00 | 0.75 | h | 23.23 | c | |||||||||
2000 | 0.00 | 0.00 | 0.85 | 1.39 | e | 0.46 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.70 | g | ||||
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.00 | 2.36 | 0.00 | 1.93 | 0.03 | a | 8.32 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.41 | 0.62 | 0.97 | 1.55 | 3.13 | 3.23 | 2.69 | 2.86 | 2.31 | 1.90 | 0.85 | 0.61 | 21.04 | |||||||||||||
S.D. | 0.54 | 0.76 | 0.93 | 1.64 | 2.27 | 2.32 | 2.06 | 1.82 | 1.98 | 2.01 | 0.97 | 0.77 | 6.25 | |||||||||||||
SKEW | 1.88 | 2.16 | 1.29 | 2.71 | 0.99 | 1.25 | 0.86 | 0.87 | 2.03 | 1.31 | 1.36 | 2.67 | 0.78 | |||||||||||||
MAX | 2.25 | 4.28 | 4.84 | 11.05 | 11.71 | 11.34 | 9.09 | 7.96 | 12.68 | 8.26 | 4.22 | 4.81 | 42.80 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 9.39 | |||||||||||||
YRS | 79 | 85 | 85 | 92 | 95 | 92 | 87 | 91 | 91 | 84 | 82 | 83 | 66 |