YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1892 | 0.20 | 0.60 | 0.75 | 0.48 | 1.47 | 2.25 | 4.45 | 1.93 | 0.52 | 0.06 | 0.38 | 0.26 | 4.45 | |||||||||||||
1893 | 0.27 | o | 0.55 | 0.87 | 1.60 | l | 0.89 | o | 0.72 | 1.60 | 1.55 | 1.10 | 1.40 | a | 0.64 | e | 1.20 | ----- | z | |||||||
1894 | 0.43 | 0.05 | 0.60 | 1.20 | 1.12 | 0.20 | 0.20 | 0.25 | 1.01 | 0.60 | 0.20 | p | 0.80 | 1.20 | p | |||||||||||
1895 | 0.35 | 0.23 | 0.25 | 0.82 | 0.46 | 1.08 | 1.90 | 0.52 | 3.15 | 0.05 | 0.30 | 0.04 | 3.15 | |||||||||||||
1896 | 0.20 | 0.12 | 2.00 | 1.05 | 0.65 | 0.80 | 0.18 | 2.00 | 1.20 | 1.15 | 1.56 | 0.34 | 2.00 | |||||||||||||
1897 | 0.56 | 0.25 | 1.45 | 0.40 | 0.77 | 1.58 | 1.50 | 1.55 | 1.76 | 0.85 | 0.30 | 0.11 | 1.76 | |||||||||||||
1898 | 0.02 | 0.60 | 1.45 | 0.52 | 2.50 | 0.75 | 2.24 | 2.25 | 0.40 | 1.50 | 0.60 | 0.06 | 2.50 | |||||||||||||
1899 | 0.22 | 0.60 | 0.90 | 0.62 | 1.75 | 1.10 | 0.60 | 1.00 | 1.12 | 1.15 | 0.15 | 1.00 | 1.75 | |||||||||||||
1900 | 0.20 | 0.40 | 0.63 | 0.85 | 0.15 | 0.33 | 1.65 | 1.90 | 2.60 | 3.50 | 0.28 | 0.30 | 3.50 | |||||||||||||
1901 | 0.21 | 0.27 | 0.57 | a | 0.50 | 0.50 | 1.55 | 0.67 | 0.60 | 1.75 | 0.30 | 0.50 | 0.23 | 1.75 | a | |||||||||||
1902 | 0.30 | 0.28 | 0.20 | 2.00 | 0.72 | 1.50 | 4.75 | a | 1.27 | 2.00 | 0.50 | 0.70 | 0.95 | 4.75 | a | |||||||||||
1903 | 0.10 | f | 0.36 | 0.65 | 0.95 | 1.36 | a | 0.50 | 1.20 | 1.20 | 2.60 | 2.60 | 0.22 | a | 0.25 | 2.60 | h | |||||||||
1904 | 0.60 | 0.25 | 0.60 | 0.70 | a | 1.00 | 1.26 | 1.40 | 2.65 | 1.75 | 2.15 | 0.12 | 0.30 | 2.65 | a | |||||||||||
1905 | 0.40 | 0.45 | 0.35 | 0.40 | 1.05 | 3.00 | 0.95 | 0.90 | 2.60 | 1.05 | 0.75 | 0.04 | 3.00 | |||||||||||||
1906 | 0.65 | 0.20 | 0.43 | 0.50 | 4.45 | 0.70 | 0.80 | 3.00 | q | 1.45 | 0.60 | i | ----- | z | 0.40 | ----- | z | |||||||||
1907 | 0.35 | 0.50 | 0.38 | 0.90 | 1.15 | 1.25 | 0.80 | 1.82 | 1.70 | j | ----- | z | 0.60 | 0.22 | ----- | z | ||||||||||
1908 | 0.40 | 0.53 | 1.00 | 1.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.05 | ----- | z | |||||
1909 | 0.75 | 0.98 | 0.12 | 0.40 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.00 | 0.87 | ----- | z | ||||||
1910 | 0.55 | 0.40 | 0.08 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.55 | o | 0.20 | 0.32 | ----- | z | |||||
1911 | 0.40 | 0.35 | ----- | z | 0.25 | o | 1.50 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.85 | p | 0.80 | ----- | z | |||
1912 | 0.50 | 0.25 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.05 | u | 0.62 | ----- | z | |||
1913 | 0.12 | 0.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.65 | 0.02 | ----- | z | ||||
1914 | 0.35 | 0.21 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.00 | 1.40 | 1.00 | 0.07 | 0.24 | ----- | z | |||||||
1915 | 0.55 | 0.70 | 1.10 | 0.80 | 1.75 | 1.40 | 2.90 | 1.10 | 1.16 | 1.75 | 1.76 | 0.24 | 2.90 | |||||||||||||
1916 | 0.70 | 0.10 | 0.35 | 0.70 | 1.50 | 1.50 | 1.20 | 1.10 | 1.10 | 0.40 | 0.20 | 0.35 | 1.50 | |||||||||||||
1917 | 1.10 | 0.20 | 1.10 | 0.50 | 1.20 | 1.00 | a | 1.25 | 1.70 | 1.30 | 1.10 | 0.06 | 0.25 | 1.70 | a | |||||||||||
1918 | 0.39 | 0.30 | 1.00 | 0.47 | 1.42 | 1.26 | 0.95 | 1.37 | 0.50 | 1.32 | 1.48 | 0.60 | 1.48 | |||||||||||||
1919 | 0.20 | 0.97 | 0.40 | 1.65 | 0.97 | 3.15 | 2.00 | 1.35 | 0.29 | 0.45 | 1.10 | 0.40 | 3.15 | |||||||||||||
1920 | 0.35 | 0.10 | 0.60 | 0.55 | 0.85 | 1.25 | 0.45 | 1.10 | 0.93 | 1.05 | 0.43 | 0.75 | 1.25 | |||||||||||||
1921 | 0.15 | 0.35 | 1.04 | 0.70 | 0.68 | 3.00 | 1.00 | 1.03 | 1.08 | 0.35 | 0.45 | 0.18 | 3.00 | |||||||||||||
1922 | 0.36 | 1.12 | 0.75 | 0.91 | 0.73 | 1.70 | 0.82 | 0.65 | 0.82 | 0.55 | 0.70 | 0.15 | 1.70 | |||||||||||||
1923 | 0.40 | 0.25 | 0.45 | 1.02 | 0.63 | 1.95 | 1.40 | 1.06 | 0.45 | 0.27 | 0.17 | 0.15 | 1.95 | |||||||||||||
1924 | 0.18 | 0.25 | 1.75 | 2.10 | 0.40 | 1.60 | 0.60 | a | 2.72 | 1.40 | 0.46 | 0.43 | 0.45 | 2.72 | a | |||||||||||
1925 | 0.33 | 0.19 | 0.28 | 0.25 | 1.00 | 1.45 | 4.06 | 0.48 | 1.25 | 0.24 | 0.32 | 0.45 | 4.06 | |||||||||||||
1926 | 0.55 | 0.20 | 0.48 | 0.28 | 0.47 | 1.14 | 0.93 | 0.78 | 2.15 | 0.83 | 0.90 | 0.60 | 2.15 | |||||||||||||
1927 | 0.15 | 0.39 | 0.86 | 0.98 | 2.00 | 3.38 | 0.53 | 1.82 | 1.02 | 0.70 | 0.65 | 1.05 | 3.38 | |||||||||||||
1928 | 0.12 | 1.10 | 0.80 | 1.05 | 0.85 | 0.70 | 1.20 | 1.60 | 0.90 | 1.55 | 0.20 | 0.23 | 1.60 | |||||||||||||
1929 | 0.60 | b | 0.55 | 0.90 | a | 0.80 | 0.91 | 0.84 | 1.21 | 0.98 | 1.40 | 0.63 | a | 0.12 | 0.26 | 1.40 | d | |||||||||
1930 | 0.56 | 1.00 | 0.37 | 0.20 | 1.24 | 1.29 | 1.05 | 0.41 | 1.51 | 0.28 | 1.00 | 0.08 | 1.51 | |||||||||||||
1931 | 0.12 | 0.65 | 0.90 | 0.40 | 0.68 | 1.37 | 0.36 | 2.16 | 0.58 | 0.72 | 2.33 | 0.29 | 2.33 | |||||||||||||
1932 | 0.57 | 0.56 | 0.75 | 0.90 | 0.80 | 1.65 | 2.57 | 1.58 | 0.22 | 0.46 | 1.30 | 0.60 | 2.57 | |||||||||||||
1933 | 0.11 | 0.45 | 1.02 | 0.51 | 1.57 | 0.52 | 1.18 | 0.86 | 1.28 | 1.05 | 0.20 | 0.30 | 1.57 | |||||||||||||
1934 | 0.24 | 0.13 | 0.40 | 0.57 | 0.08 | 1.00 | 0.65 | 1.10 | 2.50 | 2.34 | 0.81 | 0.80 | 2.50 | |||||||||||||
1935 | 0.95 | 0.30 | 0.40 | 0.54 | 1.25 | 4.24 | 1.45 | 2.72 | 0.67 | 1.08 | 0.58 | 0.35 | 4.24 | |||||||||||||
1936 | 0.25 | 0.70 | 1.10 | 0.69 | 0.86 | 0.60 | 0.09 | 0.80 | 0.28 | 0.23 | 0.49 | 0.48 | 1.10 | |||||||||||||
1937 | 0.40 | 0.30 | 0.63 | 0.76 | 1.25 | 0.69 | 0.33 | 2.37 | 0.57 | 0.70 | 0.19 | 0.22 | 2.37 | |||||||||||||
1938 | 0.20 | 0.50 | 0.80 | 1.16 | 1.76 | 1.67 | 1.76 | 0.95 | 1.02 | 0.55 | 1.25 | 0.33 | 1.76 | |||||||||||||
1939 | 0.44 | 0.57 | 0.27 | 0.95 | 0.70 | 2.24 | 1.46 | 1.40 | 2.82 | 0.62 | 0.00 | 0.65 | 2.82 | |||||||||||||
1940 | 0.15 | 0.30 | 0.65 | 0.32 | 1.42 | 1.11 | 0.42 | 1.03 | 0.15 | 0.80 | 1.40 | 0.60 | 1.42 | |||||||||||||
1941 | 0.22 | 0.50 | 0.40 | 1.10 | 0.86 | 1.10 | 0.65 | 2.20 | 1.77 | 1.80 | 0.56 | 0.30 | 2.20 | |||||||||||||
1942 | 0.18 | 0.32 | 1.15 | 1.26 | 3.85 | 1.40 | 1.56 | 1.75 | 2.41 | 0.22 | 0.27 | 0.28 | 3.85 | |||||||||||||
1943 | 0.50 | 0.58 | 0.90 | 0.46 | 1.59 | 1.23 | 0.91 | 1.54 | 0.85 | 0.77 | 1.33 | 0.00 | 1.59 | |||||||||||||
1944 | 0.62 | 1.14 | 0.35 | 0.90 | 1.75 | 1.32 | 1.47 | 1.13 | 0.31 | 0.07 | 1.68 | 0.20 | 1.75 | |||||||||||||
1945 | 0.32 | 0.73 | 1.00 | 1.05 | 0.50 | 1.43 | 0.77 | 3.21 | 0.90 | 0.29 | 0.45 | 0.90 | 3.21 | |||||||||||||
1946 | 0.15 | 0.42 | 0.40 | 0.37 | 1.00 | r | 1.10 | 0.66 | 0.10 | 1.20 | 1.00 | 0.80 | 0.40 | 1.20 | r | |||||||||||
1947 | 0.78 | 0.05 | 0.17 | 0.95 | k | 0.90 | 1.50 | 0.71 | 2.38 | 1.05 | 0.50 | 1.00 | 0.50 | 2.38 | k | |||||||||||
1948 | 0.15 | 1.20 | 0.63 | 1.08 | 0.43 | 0.67 | 0.87 | 1.60 | 0.98 | 0.40 | 1.00 | 0.70 | 1.60 | |||||||||||||
1949 | 0.92 | 0.08 | a | 1.30 | 0.67 | 0.58 | 1.36 | 1.68 | 0.87 | 1.16 | 1.06 | 0.17 | 0.46 | 1.68 | a | |||||||||||
1950 | 0.45 | 0.37 | 0.85 | 0.80 | 1.30 | 0.58 | 0.85 | 0.66 | 0.60 | 1.00 | 0.51 | 0.78 | 1.30 | |||||||||||||
1951 | 0.24 | 0.64 | 0.85 | 0.55 | 1.50 | 1.01 | 5.00 | 1.26 | 1.48 | 0.47 | 0.57 | 0.38 | 5.00 | |||||||||||||
1952 | 0.50 | 0.72 | 1.00 | 0.40 | 0.85 | 1.77 | 0.93 | 1.20 | 0.17 | 0.02 | 0.60 | 0.21 | 1.77 | |||||||||||||
1953 | 0.78 | 0.36 | 0.35 | 0.91 | 1.21 | 1.95 | 2.00 | 1.10 | 0.32 | 0.13 | 1.07 | 0.90 | 2.00 | |||||||||||||
1954 | 0.12 | 0.50 | 0.45 | 2.35 | 1.36 | 2.23 | 1.00 | 1.20 | 0.60 | 0.63 | 0.25 | 0.10 | 2.35 | |||||||||||||
1955 | 0.15 | 0.80 | 0.30 | 0.47 | 0.36 | 0.72 | 3.00 | 0.86 | 0.87 | 0.22 | 0.31 | 0.40 | 3.00 | |||||||||||||
1956 | 0.37 | 0.06 | 0.75 | 0.44 | 0.87 | 1.98 | 1.14 | 2.36 | 0.32 | 0.90 | 0.86 | 0.10 | 2.36 | |||||||||||||
1957 | 0.13 | a | 0.45 | 1.00 | 0.35 | 1.29 | 4.00 | 1.13 | 2.42 | 1.74 | 0.33 | 0.80 | 0.20 | 4.00 | a | |||||||||||
1958 | 0.18 | 0.10 | 0.25 | 0.88 | 1.12 | 1.30 | 0.99 | 3.00 | 0.83 | 0.45 | 0.24 | 0.04 | 3.00 | |||||||||||||
1959 | 0.03 | 0.20 | 0.16 | 0.29 | 2.01 | 1.06 | 3.30 | 1.44 | 0.98 | 0.98 | 0.28 | 0.42 | 3.30 | |||||||||||||
1960 | 0.37 | 0.11 | 0.40 | 0.82 | 1.66 | 0.90 | 1.66 | 1.58 | 1.22 | 0.38 | 0.97 | 0.21 | 1.66 | |||||||||||||
1961 | 0.07 | 0.38 | 0.60 | 0.56 | 1.07 | 0.42 | 1.39 | 0.96 | 0.75 | 1.07 | 2.76 | 0.57 | 2.76 | |||||||||||||
1962 | 0.24 | 0.42 | 0.41 | 0.36 | 2.34 | 1.00 | 2.06 | 0.97 | 0.84 | 0.76 | 0.35 | 0.08 | 2.34 | |||||||||||||
1963 | 0.32 | 0.16 | 0.58 | 0.70 | 1.93 | 1.26 | 0.69 | 0.52 | 0.74 | 0.55 | 0.74 | 0.46 | 1.93 | |||||||||||||
1964 | 0.15 | a | 0.10 | 0.30 | 1.30 | 2.43 | 1.87 | 1.08 | 1.68 | 0.74 | 0.22 | a | 0.67 | 0.25 | 2.43 | b | ||||||||||
1965 | 0.13 | 0.84 | 1.29 | 1.37 | 1.99 | 0.66 | 1.39 | 0.87 | 2.17 | 0.70 | 1.15 | 0.67 | 2.17 | |||||||||||||
1966 | 0.36 | 0.87 | 0.59 | 0.37 | 0.49 | 0.79 | 0.43 | 1.17 | 0.89 | 2.43 | 0.22 | 0.25 | 2.43 | |||||||||||||
1967 | 0.53 | 0.39 | 0.32 | 1.18 | 0.93 | 1.63 | 0.99 | 2.36 | 0.74 | 0.85 | 0.02 | 0.37 | 2.36 | |||||||||||||
1968 | 0.18 | 0.06 | 0.85 | 1.38 | 0.97 | 2.31 | 2.77 | 0.21 | 1.12 | 1.51 | 0.33 | 0.37 | 2.77 | |||||||||||||
1969 | 0.56 | 0.26 | 0.34 | 0.97 | 1.10 | 1.63 | 1.87 | 0.31 | 0.13 | 0.89 | 0.35 | 0.59 | 1.87 | |||||||||||||
1970 | 0.06 | 0.08 | 0.72 | 2.07 | 1.83 | 0.63 | 1.42 | 1.53 | 0.72 | 1.67 | 1.82 | 0.21 | 2.07 | |||||||||||||
1971 | 0.23 | 0.42 | 0.62 | 0.47 | 1.00 | 1.17 | 1.60 | 1.37 | 1.47 | 2.53 | 1.34 | 0.34 | 2.53 | |||||||||||||
1972 | 0.47 | 0.13 | 0.63 | 0.35 | 1.15 | 1.69 | 3.60 | 0.99 | 1.15 | 0.82 | 0.85 | 0.90 | 3.60 | |||||||||||||
1973 | 0.75 | 0.46 | 0.34 | 0.15 | 0.98 | 0.71 | 1.21 | 0.92 | 1.15 | 0.45 | 1.31 | 0.38 | 1.31 | |||||||||||||
1974 | 0.00 | 0.35 | 0.15 | 1.11 | 0.80 | 2.34 | 0.51 | 2.00 | 0.53 | 0.89 | 1.13 | 0.19 | 2.34 | |||||||||||||
1975 | 2.00 | 0.15 | 0.60 | 1.75 | 1.43 | 2.20 | 3.40 | 2.26 | 0.71 | 0.39 | 1.92 | 0.22 | 3.40 | |||||||||||||
1976 | 0.61 | 0.42 | 1.21 | 0.47 | 0.78 | 1.26 | 0.84 | 0.49 | 1.72 | 0.15 | 0.11 | 0.17 | 1.72 | |||||||||||||
1977 | 0.19 | 0.68 | 1.12 | 0.80 | 0.81 | 1.22 | 2.10 | 3.10 | 0.95 | 1.65 | 0.41 | 0.62 | 3.10 | |||||||||||||
1978 | 0.11 | 0.08 | 0.20 | 0.92 | 1.82 | 2.20 | 2.58 | 2.53 | 1.13 | 0.29 | 0.68 | 0.78 | 2.58 | |||||||||||||
1979 | 0.40 | 0.38 | 0.70 | 0.40 | 1.40 | 2.42 | 0.51 | 1.15 | 0.90 | 1.25 | 0.37 | 0.00 | 2.42 | |||||||||||||
1980 | 0.45 | 0.38 | 0.38 | 0.43 | 0.72 | 2.30 | 1.48 | 1.87 | 1.98 | 0.22 | 0.10 | 0.01 | 2.30 | |||||||||||||
1981 | 0.11 | 0.55 | 0.60 | 1.29 | 0.40 | 2.50 | 1.83 | 1.05 | ----- | z | 0.91 | 0.89 | 0.75 | ----- | z | |||||||||||
1982 | 0.75 | 0.09 | 0.75 | 0.85 | 1.33 | 1.01 | a | 0.71 | 0.64 | 1.48 | 1.21 | 0.95 | 1.53 | 1.53 | a | |||||||||||
1983 | 0.17 | a | 0.51 | 0.62 | 1.50 | 0.82 | 1.20 | 1.55 | 1.42 | 0.62 | 1.29 | 0.65 | 0.40 | 1.55 | a | |||||||||||
1984 | 0.32 | 0.52 | 0.59 | 1.18 | 1.45 | 2.11 | 1.03 | 1.18 | 1.32 | 1.61 | 0.15 | 1.25 | 2.11 | |||||||||||||
1985 | 0.12 | a | 0.13 | 1.20 | ----- | z | 1.12 | 0.98 | 1.53 | 2.25 | 1.44 | 2.05 | 0.50 | 1.00 | ----- | z | ||||||||||
1986 | 0.33 | 0.20 | 0.52 | ----- | z | 0.92 | 2.05 | 1.00 | 0.90 | a | 2.38 | ----- | z | 0.50 | ----- | z | ----- | z | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.37 | 0.42 | 0.67 | 0.82 | 1.19 | 1.46 | 1.44 | 1.41 | 1.16 | 0.89 | 0.68 | 0.44 | 2.42 | |||||||||||||
S.D. | 0.28 | 0.27 | 0.37 | 0.45 | 0.69 | 0.77 | 1.00 | 0.70 | 0.66 | 0.67 | 0.54 | 0.32 | 0.87 | |||||||||||||
SKEW | 2.37 | 0.93 | 0.91 | 1.20 | 2.01 | 1.25 | 1.63 | 0.52 | 0.85 | 1.35 | 1.34 | 0.99 | 0.90 | |||||||||||||
MAX | 2.00 | 1.20 | 2.00 | 2.35 | 4.45 | 4.24 | 5.00 | 3.21 | 3.15 | 3.50 | 2.76 | 1.53 | 5.00 | |||||||||||||
MIN | 0.00 | 0.05 | 0.08 | 0.15 | 0.08 | 0.20 | 0.09 | 0.10 | 0.13 | 0.02 | 0.00 | 0.00 | 1.10 | |||||||||||||
YRS | 93 | 95 | 91 | 86 | 86 | 88 | 88 | 88 | 87 | 86 | 90 | 94 | 78 |