YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | ----- | z | ----- | z | ----- | z | 2.62 | 0.60 | 1.30 | 0.73 | 0.25 | 1.25 | 0.50 | 3.40 | 5.40 | 16.05 | c | |||||||||
1906 | 0.03 | 0.37 | 0.00 | 0.45 | 0.37 | 0.00 | 2.75 | 1.26 | 2.96 | 1.33 | 1.03 | 2.50 | 13.05 | |||||||||||||
1907 | 0.87 | 0.00 | 0.00 | 3.00 | 0.25 | 1.70 | 1.40 | ----- | z | 0.00 | ----- | z | 0.20 | 0.00 | 7.42 | b | ||||||||||
1908 | 0.00 | 0.60 | 0.40 | 1.60 | 0.00 | 0.15 | 3.55 | 0.70 | 0.25 | 0.00 | 1.10 | 0.00 | 8.35 | |||||||||||||
1909 | 0.13 | 0.00 | 0.00 | a | 0.00 | 0.00 | 0.10 | 1.45 | 3.25 | 1.40 | 0.00 | 0.45 | 0.72 | 7.50 | ||||||||||||
1910 | 0.00 | 0.49 | 0.09 | 1.21 | 0.50 | 0.20 | 0.87 | 1.63 | 1.95 | 1.04 | 0.98 | 0.12 | 9.08 | |||||||||||||
1911 | 0.12 | 1.70 | 1.53 | 0.82 | 0.15 | 0.00 | 6.26 | 0.70 | 1.20 | 0.08 | 0.16 | 0.18 | 12.90 | |||||||||||||
1912 | 0.00 | 0.36 | 0.36 | ----- | z | 0.00 | 0.80 | 3.30 | 1.50 | 0.00 | 1.25 | 0.00 | 0.50 | 8.07 | a | |||||||||||
1913 | 0.60 | 1.09 | 0.25 | 0.00 | 0.50 | 1.35 | 0.00 | 0.35 | 2.15 | 0.85 | 0.28 | 1.26 | 8.68 | |||||||||||||
1914 | 0.00 | 0.20 | 0.32 | 1.35 | 1.25 | ----- | z | 4.75 | 2.79 | 1.05 | ----- | z | ----- | z | 1.00 | y | 11.71 | d | ||||||||
1915 | 0.66 | 0.25 | ----- | z | 4.30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.21 | i | |||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1917 | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | j | ||
1918 | 0.42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.42 | k | |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | 1.25 | 0.23 | 5.20 | 1.75 | 1.30 | 0.25 | 1.30 | 0.88 | a | 12.16 | d | |||||||
1920 | 2.25 | 0.47 | 1.00 | 0.78 | 1.01 | 1.62 | 1.11 | 3.94 | 0.89 | 0.70 | a | 0.00 | 0.04 | 13.81 | ||||||||||||
1921 | 0.48 | 0.20 | a | 0.60 | 0.00 | 1.05 | 0.90 | 4.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 7.58 | e | ||||||
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 | 0.00 | 0.67 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.67 | j | |
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 | 0.51 | 0.11 | 0.10 | 0.00 | 1.72 | 1.09 | 2.30 | 2.69 | 0.00 | 0.02 | 0.12 | 8.66 | a | |||||||||||
1928 | 0.00 | 0.75 | 0.37 | 0.35 | 2.07 | 0.00 | 1.67 | 2.28 | 0.08 | 0.56 | 0.52 | 0.00 | 8.65 | |||||||||||||
1929 | 0.00 | 0.13 | 0.07 | ----- | z | 1.74 | 0.05 | 2.32 | 3.34 | 3.64 | 1.35 | 0.17 | 0.08 | 12.89 | a | |||||||||||
1930 | 0.22 | 0.06 | 0.37 | 0.38 | 0.03 | 0.10 | 4.08 | 0.75 | 0.79 | 0.22 | 0.14 | 0.00 | 7.14 | |||||||||||||
1931 | 0.17 | 0.98 | 0.37 | 2.88 | 0.88 | 1.27 | 0.77 | 2.14 | 2.48 | ----- | z | 0.67 | 0.03 | 12.64 | a | |||||||||||
1932 | 0.17 | 0.38 | 0.49 | ----- | z | 0.69 | 0.47 | 2.47 | 3.77 | 1.17 | 0.38 | 0.00 | 0.71 | 10.70 | a | |||||||||||
1933 | 0.20 | 0.21 | 0.08 | 0.42 | 0.11 | 5.06 | 3.16 | 2.22 | 2.28 | 0.40 | 0.50 | 0.00 | 14.64 | |||||||||||||
1934 | 0.00 | 0.00 | 0.13 | 0.04 | ----- | z | 1.00 | 0.60 | 2.19 | 1.65 | 0.15 | 0.55 | 1.00 | 7.31 | a | |||||||||||
1935 | 1.33 | 1.15 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.48 | j | ||
1936 | 0.00 | 0.23 | 0.00 | 0.20 | 0.32 | 1.09 | 1.37 | 0.80 | 2.60 | 0.60 | 0.00 | 0.08 | 7.29 | |||||||||||||
1937 | 0.23 | 0.45 | 0.61 | 0.00 | 1.62 | 1.00 | 1.89 | 0.60 | 1.71 | 0.43 | 0.00 | 0.05 | 8.59 | |||||||||||||
1938 | 0.46 | 0.35 | 0.11 | 0.00 | 0.07 | 2.24 | 1.05 | 0.73 | 2.12 | 0.00 | 0.10 | 0.32 | 7.55 | |||||||||||||
1939 | 1.18 | 0.29 | 1.04 | 1.60 | 0.00 | 0.00 | 1.12 | 0.86 | 1.78 | 0.70 | 0.54 | 0.26 | 9.37 | |||||||||||||
1940 | 0.27 | 1.19 | 0.58 | 0.16 | 1.14 | 1.20 | 1.52 | 2.06 | 2.55 | 0.33 | 1.28 | 1.26 | 13.54 | |||||||||||||
1941 | 0.86 | 0.68 | 1.78 | 1.41 | 2.34 | 0.09 | 2.27 | 1.61 | 2.81 | 3.65 | 0.35 | 0.57 | 18.42 | |||||||||||||
1942 | 0.79 | 0.14 | 0.00 | 0.57 | 0.00 | 0.10 | 0.74 | 1.34 | 0.46 | 0.93 | 0.00 | 0.93 | 6.00 | |||||||||||||
1943 | 0.15 | 0.06 | 0.08 | 0.00 | 1.03 | 2.17 | 1.32 | 1.63 | 0.27 | 0.16 | 0.41 | 1.15 | 8.43 | |||||||||||||
1944 | 0.11 | 0.05 | 0.00 | 0.00 | 1.17 | 0.99 | 3.25 | 3.53 | 0.72 | 0.70 | 0.36 | 0.22 | 11.10 | |||||||||||||
1945 | 0.44 | 0.05 | 0.20 | 0.14 | 0.00 | 0.00 | 1.26 | 1.27 | 0.45 | 0.40 | 0.00 | 0.22 | 4.43 | |||||||||||||
1946 | 0.31 | 0.09 | 0.22 | 0.05 | 0.14 | 0.03 | 1.08 | 1.60 | w | ----- | z | ----- | z | ----- | z | ----- | z | 1.92 | e | |||||||
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 | 1.09 | i | 0.12 | 0.14 | 0.26 | j | ||
1949 | 0.59 | 0.36 | e | 0.26 | 0.60 | 1.76 | 0.47 | 2.00 | 0.55 | 1.46 | 0.09 | 0.00 | 0.00 | 8.14 | ||||||||||||
1950 | 0.00 | 0.28 | 0.12 | 0.62 | 0.00 | 0.14 | 1.65 | 0.18 | 1.01 | a | 0.03 | 0.00 | 0.00 | 4.03 | ||||||||||||
1951 | 0.38 | 0.21 | 0.00 | 0.33 | 0.09 | 0.64 | b | 0.88 | 1.27 | 0.04 | 0.10 | 0.14 | 0.67 | 4.75 | ||||||||||||
1952 | 0.31 | 0.28 | 0.14 | 0.81 | 0.50 | 0.86 | 0.86 | 1.18 | 0.69 | 0.00 | 0.65 | 0.18 | 6.46 | |||||||||||||
1953 | 0.07 | 0.62 | 0.63 | 0.35 | 0.00 | 0.79 | 0.36 | 0.37 | 0.00 | 0.24 | 0.10 | 0.20 | 3.73 | |||||||||||||
1954 | 0.31 | 0.00 | 0.39 | 0.00 | 0.64 | 0.24 | 3.01 | 1.99 | 1.00 | 0.52 | 0.00 | 0.11 | 8.21 | |||||||||||||
1955 | 0.18 | 0.09 | 0.00 | 0.11 | 0.32 | 0.34 | 1.77 | 3.70 | 0.36 | 0.18 | 0.04 | 0.16 | 7.25 | |||||||||||||
1956 | 0.13 | 0.19 | 0.00 | 0.00 | 0.00 | 0.49 | 0.37 | 0.26 | 0.00 | 0.52 | 0.00 | 0.00 | 1.96 | |||||||||||||
1957 | 0.23 | 0.61 | 1.93 | 0.74 | 0.57 | 0.32 | 2.08 | 3.43 | 0.12 | 2.05 | 0.87 | 0.17 | 13.12 | |||||||||||||
1958 | 0.41 | 0.16 | 1.30 | 1.07 | 0.00 | 0.08 | 0.67 | 1.13 | 1.68 | 1.67 | 0.21 | 0.34 | 8.72 | |||||||||||||
1959 | 0.00 | 0.16 | 0.10 | 0.46 | 1.31 | 0.56 | 2.61 | 2.16 | 0.00 | 2.00 | 0.13 | 1.25 | 10.74 | |||||||||||||
1960 | 0.24 | 0.34 | 0.26 | 0.00 | 0.48 | 0.12 | 0.32 | 0.35 | 0.36 | 2.55 | 0.03 | 1.23 | 6.28 | |||||||||||||
1961 | 0.00 | 0.10 | 0.44 | 0.24 | 0.13 | 0.04 | 0.72 | 2.16 | 1.93 | 1.68 | 0.68 | 0.41 | 8.53 | |||||||||||||
1962 | 0.99 | 0.00 | 0.08 | 0.00 | 0.07 | 0.05 | 1.69 | 0.57 | 2.12 | 2.17 | 0.53 | 0.92 | 9.19 | |||||||||||||
1963 | 0.26 | 1.20 | 0.08 | 0.06 | 0.05 | 0.07 | 0.86 | 2.47 | 1.47 | 0.67 | 0.44 | 0.00 | 7.63 | |||||||||||||
1964 | 0.09 | 1.04 | 0.31 | 0.34 | 0.28 | 0.03 | 3.45 | 2.31 | 1.45 | 0.03 | 0.16 | 0.81 | 10.30 | |||||||||||||
1965 | 0.20 | 0.26 | 0.51 | 1.01 | 0.66 | 1.33 | 1.90 | 2.65 | 1.08 | 0.14 | 0.05 | 1.13 | 10.92 | |||||||||||||
1966 | 0.38 | 0.36 | 0.30 | 0.10 | 0.00 | 0.99 | 3.62 | 1.30 | 1.31 | 0.11 | 0.04 | 0.16 | 8.67 | |||||||||||||
1967 | 0.02 | 0.03 | 0.01 | 0.01 | 0.21 | 1.30 | 2.07 | 1.85 | 1.63 | 0.60 | 0.23 | 0.90 | 8.86 | |||||||||||||
1968 | 0.01 | 0.77 | 1.16 | 0.53 | 0.70 | 0.13 | 1.83 | 1.53 | 0.04 | 0.66 | 0.17 | 0.30 | 7.83 | |||||||||||||
1969 | 0.25 | 0.10 | 1.04 | 0.59 | 2.44 | 0.89 | 1.22 | 3.27 | 0.79 | 3.91 | 0.08 | 0.86 | 15.44 | |||||||||||||
1970 | 0.00 | 0.00 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.85 | 0.67 | 0.38 | 0.15 | 2.05 | g | |||||
1971 | 0.14 | 0.49 | 0.26 | 0.25 | 0.60 | 0.00 | 0.86 | 1.97 | 1.40 | 1.09 | 0.19 | 1.44 | 8.69 | |||||||||||||
1972 | 0.24 | 0.23 | 0.00 | 0.00 | 0.28 | 0.44 | 1.64 | 3.12 | 2.25 | 4.71 | 0.37 | 0.46 | 13.74 | |||||||||||||
1973 | 0.30 | 1.08 | 0.43 | 0.52 | 0.96 | ----- | z | 1.53 | 1.21 | 0.96 | 0.36 | 0.09 | 0.00 | 7.44 | a | |||||||||||
1974 | 0.82 | 0.02 | 0.06 | 0.04 | 0.15 | 0.06 | 0.85 | 1.55 | 1.53 | 4.63 | 0.17 | a | 0.49 | 10.37 | ||||||||||||
1975 | 0.59 | 0.82 | 0.52 | 0.44 | 0.19 | 0.00 | 4.89 | 2.01 | 1.92 | 0.00 | 0.06 | 0.48 | 11.92 | |||||||||||||
1976 | 0.00 | 0.70 | 0.06 | 0.02 | 1.04 | 0.01 | 1.00 | 3.42 | 0.87 | 0.33 | 0.50 | 0.00 | 7.95 | |||||||||||||
1977 | 0.53 | 0.54 | 0.48 | 0.22 | 1.11 | 0.13 | 3.10 | 2.43 | 2.53 | 0.15 | 0.15 | 0.20 | 11.57 | |||||||||||||
1978 | 1.12 | 0.55 | 0.16 | 0.02 | 2.01 | 0.90 | 0.23 | 1.55 | 0.86 | 1.50 | 1.34 | 0.41 | 10.65 | |||||||||||||
1979 | 0.84 | 0.26 | 0.18 | 0.10 | 1.44 | 1.13 | 1.11 | 1.86 | 1.43 | 0.22 | 0.90 | 0.89 | 10.36 | |||||||||||||
1980 | 0.86 | 0.69 | a | 0.13 | 0.48 | 0.61 | 0.10 | 1.31 | 1.73 | 0.46 | b | 0.30 | 0.33 | 0.19 | 7.19 | |||||||||||
1981 | 0.14 | 0.02 | 1.50 | 1.02 | 0.51 | 0.43 | 2.97 | 2.07 | 1.38 | 1.40 | 0.02 | a | 0.02 | 11.48 | ||||||||||||
1982 | 0.37 | 1.05 | a | 0.64 | 0.33 | 1.08 | 0.09 | 0.59 | 2.64 | 2.19 | 0.00 | a | 0.70 | 1.21 | 10.89 | |||||||||||
1983 | 2.12 | 1.17 | 0.31 | 0.48 | 0.46 | 0.23 | 1.38 | a | 0.94 | 1.85 | 1.07 | 0.14 | 0.28 | 10.43 | ||||||||||||
1984 | 0.37 | 0.00 | 0.44 | 0.17 | 0.09 | 0.25 | 1.11 | 1.34 | 2.80 | a | 3.02 | 0.34 | d | 1.50 | 11.43 | |||||||||||
1985 | 0.69 | 0.17 | 0.93 | a | 1.42 | 0.69 | 0.32 | 2.47 | 2.60 | 2.08 | 2.06 | 0.19 | 0.26 | 13.88 | ||||||||||||
1986 | 0.09 | 0.47 | 0.00 | 0.00 | 1.06 | 1.37 | 2.48 | 0.95 | 0.79 | 3.38 | a | 2.52 | 0.90 | 14.01 | ||||||||||||
1987 | 1.21 | 1.37 | c | 0.32 | 0.37 | 0.46 | 0.47 | 0.79 | a | 1.68 | 0.18 | 0.45 | 0.60 | 1.00 | 8.90 | |||||||||||
1988 | 0.22 | 0.04 | a | 0.29 | 1.73 | a | 0.49 | 1.21 | 2.08 | 3.42 | 2.33 | 0.57 | 0.15 | 0.39 | a | 12.92 | ||||||||||
1989 | 0.79 | 0.33 | 0.47 | 0.00 | 0.05 | 0.01 | 2.12 | 0.55 | 0.60 | 1.19 | 0.00 | 0.21 | 6.32 | |||||||||||||
1990 | 0.75 | 0.18 | 0.54 | 1.60 | 0.95 | 0.53 | 3.60 | 2.62 | 3.90 | a | 0.26 | 1.13 | b | 1.11 | a | 17.17 | ||||||||||
1991 | 0.20 | b | 0.00 | 0.18 | 0.00 | 0.00 | 1.21 | 1.11 | 2.45 | 1.15 | a | 0.55 | 0.55 | c | 1.66 | d | 9.06 | |||||||||
1992 | 0.58 | 0.53 | b | 0.08 | i | 0.06 | 4.24 | a | 0.34 | 1.96 | c | 1.77 | 1.09 | 0.26 | 0.00 | a | 2.15 | 12.98 | a | |||||||
1993 | 0.89 | 0.47 | 0.57 | 0.01 | 0.54 | 1.12 | 0.83 | 3.16 | d | 0.32 | 0.71 | 0.35 | 0.09 | 9.06 | ||||||||||||
1994 | 0.55 | 0.00 | 0.47 | b | 0.00 | 1.83 | 0.12 | 0.38 | 3.72 | 2.81 | 1.33 | 0.85 | d | 0.58 | 12.64 | |||||||||||
1995 | 0.53 | 0.02 | 0.33 | 0.17 | 0.20 | 0.16 | 0.37 | 2.49 | 0.86 | 0.00 | 0.05 | 0.15 | 5.33 | |||||||||||||
1996 | 0.51 | 0.01 | 0.00 | 0.00 | 0.00 | 1.10 | 1.07 | 1.95 | b | 2.39 | 1.62 | c | 0.00 | 0.08 | a | 8.73 | ||||||||||
1997 | 0.65 | j | 0.52 | 0.06 | 1.45 | f | 0.37 | a | 1.60 | a | 4.54 | 1.56 | f | 2.05 | 0.27 | a | 0.86 | b | 0.78 | a | 11.05 | c | ||||
1998 | 0.01 | 0.26 | 1.86 | 0.16 | 0.03 | 0.31 | 3.14 | 1.13 | 0.10 | b | 2.47 | 0.55 | g | 0.08 | b | 9.55 | a | |||||||||
1999 | 0.27 | 0.00 | 0.40 | e | 0.24 | 0.86 | 0.85 | 2.31 | 2.95 | 1.51 | 0.29 | b | 0.00 | 0.35 | f | 9.68 | a | |||||||||
2000 | 0.00 | 0.00 | 1.83 | 1.31 | 0.00 | 0.07 | 1.51 | d | 0.95 | 0.35 | 2.44 | 0.99 | b | 0.60 | d | 10.05 | ||||||||||
2001 | 1.04 | g | 0.67 | b | 0.24 | 0.12 | b | 0.76 | b | 0.05 | 0.85 | 2.18 | a | 0.99 | e | 0.08 | 0.39 | l | 0.11 | 6.05 | b | |||||
2002 | 0.65 | a | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 1.43 | 1.59 | 2.68 | 0.69 | d | 0.94 | e | 1.05 | l | 8.01 | a | ||||||||
2003 | 0.02 | 1.06 | 0.16 | b | 0.00 | 0.08 | 0.03 | 0.20 | a | 0.63 | a | 1.02 | b | 1.04 | b | 1.48 | m | 0.10 | m | 4.24 | b | |||||
2004 | 0.43 | l | 0.65 | 0.57 | i | 3.32 | i | 0.03 | j | 0.58 | 2.47 | 0.36 | d | 0.87 | i | 0.55 | d | 1.91 | h | 0.39 | 5.00 | f | ||||
2005 | 1.04 | g | 1.76 | 1.28 | e | 0.41 | ----- | z | ----- | z | 0.00 | x | 0.82 | 3.90 | ----- | z | 0.03 | 0.00 | n | 8.20 | f | |||||
2006 | 0.10 | 0.00 | 0.36 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.46 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.39 | 0.42 | 0.42 | 0.52 | 0.63 | 0.61 | 1.85 | 1.81 | 1.37 | 0.92 | 0.41 | 0.56 | 9.61 | |||||||||||||
S.D. | 0.43 | 0.41 | 0.48 | 0.77 | 0.72 | 0.75 | 1.28 | 0.99 | 0.96 | 1.07 | 0.55 | 0.75 | 3.18 | |||||||||||||
SKEW | 1.95 | 1.19 | 1.69 | 2.50 | 2.03 | 2.81 | 1.13 | 0.30 | 0.52 | 1.80 | 2.86 | 3.63 | 0.30 | |||||||||||||
MAX | 2.25 | 1.76 | 1.93 | 4.30 | 4.24 | 5.06 | 6.26 | 3.94 | 3.90 | 4.71 | 3.40 | 5.40 | 18.42 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 1.96 | |||||||||||||
YRS | 87 | 90 | 85 | 84 | 85 | 85 | 87 | 84 | 86 | 83 | 83 | 84 | 66 |