YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | 0.10 | 0.10 | a | 0.06 | 1.15 | ----- | z | 2.02 | 2.72 | 1.06 | 2.62 | 0.30 | 0.00 | a | 0.15 | 10.28 | a | |||||||||
1895 | 0.43 | 0.76 | 0.15 | 0.25 | 1.99 | 2.73 | 7.60 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 13.91 | e | |||||||
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1917 | ----- | z | 0.07 | 0.10 | 1.66 | 2.74 | 1.84 | 1.54 | 5.60 | 1.54 | 0.20 | 0.28 | 0.02 | 15.59 | a | |||||||||||
1918 | 0.17 | 0.34 | 1.65 | 1.29 | 1.13 | 1.59 | 4.93 | 1.15 | 2.43 | 2.17 | 0.40 | 1.91 | 19.16 | |||||||||||||
1919 | 0.02 | 0.86 | 3.69 | 0.89 | 1.60 | 0.85 | 2.08 | 1.33 | 3.53 | 1.57 | 0.85 | 0.12 | 17.39 | |||||||||||||
1920 | 0.08 | 0.00 | 0.25 | 0.85 | 2.73 | 1.81 | 1.93 | 2.60 | 1.80 | 1.20 | 0.61 | 0.10 | 13.96 | |||||||||||||
1921 | 1.04 | 0.33 | 0.70 | 1.19 | 2.10 | 2.84 | 2.82 | 2.51 | 1.05 | 0.26 | 0.00 | 0.40 | 15.24 | |||||||||||||
1922 | 0.32 | 0.75 | 1.06 | 2.21 | 2.34 | 1.49 | 3.68 | 2.06 | 0.00 | 0.08 | 0.31 | 0.03 | 14.33 | |||||||||||||
1923 | 0.00 | 0.08 | 0.94 | 1.04 | 7.13 | 4.15 | 2.86 | 0.77 | 2.73 | 4.61 | 0.47 | 0.20 | 24.98 | |||||||||||||
1924 | 0.05 | 0.43 | 1.69 | 1.51 | 1.77 | 1.25 | 1.01 | 2.48 | 2.14 | 1.09 | 0.00 | 0.14 | 13.56 | |||||||||||||
1925 | 0.02 | 0.44 | 0.23 | 1.36 | 1.94 | 3.54 | 2.65 | 4.36 | 4.54 | 0.45 | 1.04 | 0.25 | 20.82 | |||||||||||||
1926 | 0.00 | 0.06 | 2.08 | 1.17 | 0.76 | 1.40 | 2.61 | 0.57 | 0.23 | 0.11 | 0.52 | 0.47 | 9.98 | |||||||||||||
1927 | 0.06 | 0.14 | 0.77 | 1.39 | 0.17 | 3.60 | 4.23 | 5.00 | 0.66 | 0.29 | 0.16 | 0.05 | 16.52 | |||||||||||||
1928 | 0.00 | 1.28 | 1.61 | 1.28 | 7.28 | 4.96 | 0.62 | 4.25 | 0.19 | 2.81 | 1.77 | 0.15 | 26.20 | |||||||||||||
1929 | 0.15 | 0.17 | 0.82 | 0.51 | 1.90 | 0.49 | 3.90 | 2.05 | 2.39 | 0.78 | 1.48 | 0.02 | 14.66 | |||||||||||||
1930 | 0.42 | 0.05 | 0.12 | 0.76 | 2.41 | 1.89 | 2.71 | 3.32 | 3.89 | 4.96 | 1.18 | 0.21 | 21.92 | |||||||||||||
1931 | 0.00 | 1.28 | 1.39 | 0.95 | 1.98 | 0.00 | 1.23 | 2.05 | 0.73 | 0.86 | 0.68 | 0.11 | 11.26 | |||||||||||||
1932 | 1.20 | 0.31 | 1.40 | 2.72 | 1.28 | 5.17 | 0.51 | 0.78 | 1.15 | 0.42 | 0.07 | 0.07 | 15.08 | |||||||||||||
1933 | 0.00 | 0.17 | 1.16 | 1.37 | 4.11 | 0.28 | 1.29 | 4.59 | 0.27 | 0.31 | 1.62 | 1.00 | 16.17 | |||||||||||||
1934 | 0.20 | 1.36 | 0.69 | 0.16 | 0.57 | 1.52 | 1.37 | 1.35 | 1.27 | 0.54 | 0.31 | 0.04 | 9.38 | |||||||||||||
1935 | 0.46 | 0.14 | 0.38 | 0.00 | 1.80 | 2.87 | 1.28 | 0.33 | 1.32 | 0.27 | 0.93 | 0.11 | 9.89 | |||||||||||||
1936 | 0.54 | 0.02 | 0.02 | 1.02 | 4.18 | 0.36 | 0.54 | 1.74 | 0.97 | 0.93 | 0.00 | 0.34 | 10.66 | |||||||||||||
1937 | 0.02 | 0.15 | 0.52 | 0.03 | 1.34 | 2.96 | 0.65 | 1.09 | 1.20 | 0.71 | 0.24 | 0.35 | 9.26 | |||||||||||||
1938 | 0.00 | 0.29 | 0.97 | 1.31 | s | 2.90 | 1.57 | 2.27 | 0.96 | 2.65 | v | 0.89 | 0.04 | 0.22 | 10.11 | b | ||||||||||
1939 | 0.90 | 0.59 | 1.45 | 0.27 | 2.59 | 1.86 | 0.80 | 0.12 | 0.44 | 0.00 | 0.11 | 0.58 | 9.71 | |||||||||||||
1940 | 0.26 | 0.25 | 0.67 | 1.12 | 4.13 | 1.17 | 0.56 | 2.42 | 0.47 | 0.25 | 0.90 | 0.41 | 12.61 | |||||||||||||
1941 | 0.85 | 0.60 | 0.78 | 2.17 | 5.09 | 2.48 | 7.99 | 2.22 | 2.32 | 2.87 | 0.62 | 0.19 | 28.18 | |||||||||||||
1942 | 0.10 | 0.29 | 1.77 | 3.62 | 0.21 | 3.77 | 0.89 | 2.53 | 0.72 | 2.33 | 0.03 | 0.73 | 16.99 | |||||||||||||
1943 | 0.15 | 0.05 | 0.08 | 1.30 | 0.99 | 1.68 | 2.26 | 2.57 | 0.00 | 0.24 | 0.21 | 0.35 | 9.88 | |||||||||||||
1944 | 1.13 | 0.23 | a | 0.43 | 8.50 | 5.45 | 0.71 | 4.36 | 1.64 | 0.16 | 1.32 | 1.02 | 1.02 | 25.97 | ||||||||||||
1945 | 0.93 | 0.18 | 0.00 | 1.34 | 0.18 | 3.19 | 3.23 | 4.12 | 1.50 | 0.20 | 0.00 | 0.63 | 15.50 | |||||||||||||
1946 | 0.16 | 1.26 | 1.39 | 0.33 | 3.34 | 3.52 | 0.56 | 1.77 | 1.03 | 3.68 | 3.71 | 0.01 | 20.76 | |||||||||||||
1947 | 0.14 | 0.13 | 1.41 | 2.21 | 4.44 | 0.85 | 2.35 | 0.88 | 0.40 | 1.23 | 0.39 | 1.30 | 15.73 | |||||||||||||
1948 | 0.51 | v | 1.04 | 1.91 | 0.04 | 5.56 | 3.86 | 0.99 | 2.52 | 0.25 | 0.21 | a | 0.70 | 0.15 | 17.23 | a | ||||||||||
1949 | 0.48 | 0.48 | 1.00 | 1.27 | 3.02 | 8.28 | t | 4.74 | 3.11 | 0.00 | 1.67 | 0.00 | 0.15 | 15.92 | a | |||||||||||
1950 | 0.03 | 0.01 | d | 0.04 | 1.45 | 0.07 | 2.74 | 6.49 | 4.44 | 1.30 | 0.45 | 0.07 | 0.00 | 17.09 | ||||||||||||
1951 | 1.02 | 0.43 | 0.24 | 0.75 | 3.56 | 3.93 | 6.84 | 3.54 | 0.21 | 0.74 | 0.18 | 0.00 | 21.44 | |||||||||||||
1952 | 0.06 | 0.17 | 0.54 | 2.55 | 0.90 | 0.00 | 0.09 | 2.44 | 0.79 | 0.00 | 0.32 | 0.06 | 7.92 | |||||||||||||
1953 | 0.08 | 0.14 | 0.56 | 0.58 | 1.84 | 0.87 | 2.02 | 3.18 | 0.00 | 2.43 | 1.12 | 0.74 | 13.56 | |||||||||||||
1954 | 0.18 | 0.04 | 0.21 | 0.09 | 1.45 | 0.83 | 1.75 | 2.64 | 0.00 | 1.26 | 0.00 | 0.18 | 8.63 | |||||||||||||
1955 | 0.09 | 0.12 | 0.00 | 6.52 | 5.19 | 1.17 | 0.66 | 1.48 | 1.26 | 0.00 | 0.24 | 0.10 | 16.83 | |||||||||||||
1956 | 0.36 | 0.18 | 0.05 | 0.27 | 1.10 | 1.26 | 0.85 | 0.60 | 0.00 | 0.10 | 0.00 | 0.00 | 4.77 | |||||||||||||
1957 | 0.18 | 0.05 | 3.13 | 1.20 | 5.36 | 3.72 | 0.21 | 0.74 | 2.31 | 1.53 | 0.68 | 0.00 | 19.11 | |||||||||||||
1958 | 0.82 | 0.67 | 1.96 | 1.20 | 3.55 | 1.51 | 5.41 | 1.59 | 1.05 | 0.05 | 1.00 | 0.38 | 19.19 | |||||||||||||
1959 | 0.26 | 0.25 | 0.92 | 0.59 | 2.12 | 1.95 | 1.21 | 5.73 | 0.55 | 3.83 | 0.03 | 0.18 | 17.62 | |||||||||||||
1960 | 0.65 | 1.49 | 0.66 | 0.64 | 0.53 | 5.19 | 2.29 | 0.10 | 2.08 | 1.52 | 0.09 | 0.42 | 15.66 | |||||||||||||
1961 | 0.04 | 0.36 | 0.91 | 0.68 | 2.87 | 2.14 | 2.28 | 2.52 | 1.00 | 1.50 | 1.57 | 0.04 | 15.91 | |||||||||||||
1962 | 0.32 | 0.03 | 1.18 | 0.90 | 1.40 | 3.16 | 3.33 | 0.00 | 1.37 | 0.19 | 0.58 | 0.02 | 12.48 | |||||||||||||
1963 | 0.28 | 0.12 | 0.34 | 0.60 | 1.40 | 1.76 | 6.51 | 0.48 | 2.01 | 0.00 | 0.00 | 0.45 | 13.95 | |||||||||||||
1964 | 0.00 | 0.69 | 0.00 | 0.50 | 2.66 | 1.07 | 0.82 | 1.34 | 0.43 | 0.06 | 1.31 | 0.41 | 9.29 | |||||||||||||
1965 | 0.30 | 0.23 | 0.20 | 0.00 | 1.59 | 6.23 | 2.19 | 4.17 | 2.13 | 1.55 | 0.00 | 0.48 | 19.07 | |||||||||||||
1966 | 0.29 | 0.34 | 0.00 | 0.65 | 0.37 | 4.25 | 3.18 | 1.79 | 1.93 | 0.20 | 0.00 | 0.36 | 13.36 | |||||||||||||
1967 | 0.00 | 0.04 | 0.02 | 1.35 | 1.15 | 5.09 | 2.42 | 2.42 | 0.64 | 0.09 | 0.10 | 0.16 | 13.48 | |||||||||||||
1968 | 0.01 | 0.03 | 0.10 | 0.39 | 3.16 | 3.89 | 1.21 | 1.38 | 1.66 | 0.89 | 0.21 | 0.20 | 13.13 | |||||||||||||
1969 | 0.00 | 0.60 | 1.68 | 1.36 | 1.27 | 3.39 | 1.65 | 3.02 | 2.04 | 2.05 | 0.18 | 0.13 | 17.37 | |||||||||||||
1970 | 0.00 | 0.00 | 0.80 | 1.72 | 0.65 | 0.93 | 3.23 | 2.63 | 2.46 | 0.44 | 0.24 | 0.00 | 13.10 | |||||||||||||
1971 | 0.15 | 0.79 | 0.00 | 0.39 | 3.19 | 1.87 | 1.34 | 2.49 | 1.41 | 0.81 | 2.68 | 0.48 | 15.60 | |||||||||||||
1972 | 0.14 | 0.00 | 0.14 | 0.05 | 1.77 | 3.67 | 1.82 | 4.78 | 1.45 | 0.65 | 2.64 | 0.12 | 17.23 | |||||||||||||
1973 | 0.91 | 0.04 | 2.27 | 1.05 | 1.05 | 1.07 | 1.80 | 1.12 | 2.98 | 0.33 | 0.12 | 0.48 | 13.22 | |||||||||||||
1974 | 0.03 | 0.00 | 1.38 | 0.21 | 1.44 | 0.69 | 1.10 | 1.47 | 0.15 | 1.12 | 0.07 | 0.12 | 7.78 | |||||||||||||
1975 | 0.01 | 0.12 | 0.67 | 0.64 | 3.15 | 2.59 | 0.71 | 4.00 | 0.00 | 0.00 | 1.41 | 0.00 | 13.30 | |||||||||||||
1976 | 0.00 | 0.07 | 0.24 | 3.69 | 2.80 | 0.28 | 1.57 | 2.18 | 1.60 | 0.39 | 0.05 | 0.00 | 12.87 | |||||||||||||
1977 | 0.20 | 0.00 | 0.08 | 4.43 | 5.09 | 0.31 | 0.66 | 5.39 | 0.78 | 0.53 | 0.39 | 0.16 | 18.02 | |||||||||||||
1978 | 0.10 | 0.78 | 0.24 | 0.83 | 3.67 | 4.76 | 0.85 | 0.27 | 0.57 | 0.10 | 0.59 | 0.13 | 12.89 | |||||||||||||
1979 | 0.38 | 0.00 | 1.87 | 0.88 | 2.87 | 2.46 | 3.02 | 1.56 | 0.23 | 1.35 | 0.13 | 0.42 | 15.17 | |||||||||||||
1980 | 0.57 | 0.43 | 1.71 | 3.96 | 3.32 | 0.70 | 0.32 | 3.25 | 0.00 | 0.05 | 0.26 | 0.66 | 15.23 | |||||||||||||
1981 | 0.08 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.08 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.28 | 0.35 | 0.84 | 1.34 | 2.49 | 2.27 | 2.33 | 2.29 | 1.22 | 0.98 | 0.57 | 0.29 | 15.17 | |||||||||||||
S.D. | 0.33 | 0.38 | 0.79 | 1.47 | 1.67 | 1.50 | 1.84 | 1.46 | 1.04 | 1.12 | 0.73 | 0.34 | 4.73 | |||||||||||||
SKEW | 1.37 | 1.41 | 1.18 | 2.78 | 0.87 | 0.55 | 1.35 | 0.58 | 0.92 | 1.76 | 2.12 | 2.39 | 0.54 | |||||||||||||
MAX | 1.20 | 1.49 | 3.69 | 8.50 | 7.28 | 6.23 | 7.99 | 5.73 | 4.54 | 4.96 | 3.71 | 1.91 | 28.18 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.77 | |||||||||||||
YRS | 65 | 66 | 66 | 65 | 65 | 65 | 66 | 65 | 64 | 65 | 65 | 65 | 60 |