YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.01 | ----- | z | 0.59 | 1.63 | 3.85 | 0.76 | ----- | z | |||||
1910 | 0.70 | 1.34 | 1.21 | 0.56 | 0.48 | 0.23 | 0.02 | 0.00 | 0.36 | 1.16 | 2.57 | 1.60 | 2.57 | |||||||||||||
1911 | 1.90 | 0.66 | 0.34 | 0.49 | 0.67 | 0.45 | 0.85 | 0.00 | 0.67 | 0.47 | 1.33 | 0.68 | 1.90 | |||||||||||||
1912 | 1.33 | 2.01 | 0.66 | 1.10 | 1.00 | 0.90 | 0.90 | 0.29 | 1.33 | 1.00 | 1.14 | 0.98 | 2.01 | |||||||||||||
1913 | 1.08 | 0.19 | 0.37 | 0.93 | 0.52 | 1.17 | 1.54 | 0.15 | 0.50 | 0.82 | 1.51 | 1.20 | 1.54 | |||||||||||||
1914 | 1.40 | 0.37 | 0.58 | 0.68 | 1.02 | 0.77 | 0.04 | 0.19 | 1.03 | 1.05 | 0.68 | 0.40 | 1.40 | |||||||||||||
1915 | 0.73 | 1.32 | 0.40 | 0.33 | 0.52 | 0.14 | 0.67 | 0.12 | 0.07 | 0.47 | 1.27 | 0.90 | 1.32 | |||||||||||||
1916 | 0.92 | 0.57 | 0.81 | 1.64 | 0.79 | 0.36 | 1.22 | 0.84 | 0.28 | 0.29 | 0.96 | 0.64 | 1.64 | |||||||||||||
1917 | 1.12 | 1.12 | 0.40 | 0.97 | 0.63 | a | 0.11 | 0.04 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.03 | ----- | z | |
1920 | 0.40 | 0.15 | c | 1.14 | 0.78 | 0.23 | 1.35 | 0.61 | 0.40 | 0.76 | 0.61 | ----- | z | 1.30 | ----- | z | ||||||||||
1921 | 0.85 | o | 1.84 | 0.79 | 0.50 | 1.06 | 0.44 | 0.00 | 0.00 | 0.49 | 1.12 | 2.79 | 1.05 | 2.79 | o | |||||||||||
1922 | 0.82 | 0.94 | b | 1.00 | 0.45 | 0.40 | 2.00 | 0.00 | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | 0.51 | 1.10 | 0.49 | 0.58 | a | 1.87 | 0.00 | 0.00 | ----- | z | 3.30 | 0.93 | 2.42 | ----- | z | |||||||||
1951 | 2.56 | b | 1.65 | 0.90 | 1.13 | 0.55 | 0.00 | a | 0.00 | 0.26 | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | 2.15 | 0.48 | 0.37 | 0.82 | 0.50 | 0.57 | ----- | z | ----- | z | 1.10 | 0.75 | 0.73 | 1.66 | ----- | z | ||||||||||
1955 | 0.70 | a | 0.38 | 0.69 | 0.55 | 0.46 | 0.25 | 0.00 | 0.00 | 0.62 | 2.51 | 1.59 | 3.80 | 3.80 | a | |||||||||||
1956 | 1.56 | 2.69 | 0.54 | 0.47 | 1.24 | a | 0.70 | a | 0.50 | 0.00 | 0.43 | 3.45 | 0.60 | 1.45 | 3.45 | b | ||||||||||
1957 | 1.40 | 1.42 | 2.45 | 0.66 | 0.71 | 0.57 | a | 0.23 | 0.01 | a | 1.30 | 0.74 | 1.86 | 1.80 | 2.45 | b | ||||||||||
1958 | 1.82 | 1.27 | 0.43 | 0.37 | 0.65 | 1.43 | 0.45 | 0.65 | 0.40 | 0.65 | 1.35 | 1.11 | 1.82 | |||||||||||||
1959 | 0.93 | 1.57 | 0.94 | 0.95 | 0.55 | 0.34 | 0.00 | 0.32 | 0.79 | 0.82 | 0.22 | 0.58 | 1.57 | |||||||||||||
1960 | 1.30 | 1.92 | 1.16 | 1.19 | 0.60 | 0.00 | 0.41 | 0.25 | 0.12 | 0.41 | 2.36 | 0.88 | 2.36 | |||||||||||||
1961 | 1.09 | 1.12 | 0.70 | 0.94 | 0.57 | 0.25 | 0.01 | 0.42 | 0.63 | 1.80 | 2.37 | 1.10 | 2.37 | |||||||||||||
1962 | 0.85 | 0.50 | 0.62 | 0.48 | 0.54 | 0.41 | 0.01 | 0.99 | 0.69 | ----- | z | 1.50 | 2.65 | ----- | z | |||||||||||
1963 | 0.80 | 1.30 | 0.38 | 1.05 | 0.97 | 0.63 | 0.09 | 0.40 | 0.34 | 1.43 | 1.44 | 0.35 | 1.44 | |||||||||||||
1964 | 2.14 | 0.40 | 0.91 | 0.80 | 0.40 | 0.77 | 0.44 | 0.14 | 0.25 | 0.34 | 1.10 | 3.98 | 3.98 | |||||||||||||
1965 | 1.20 | 1.59 | 0.31 | 1.19 | 0.14 | 0.43 | 0.27 | 1.18 | 0.00 | 0.67 | 0.97 | 0.91 | 1.59 | |||||||||||||
1966 | 3.03 | 0.58 | 1.26 | 0.79 | 0.07 | 0.50 | 0.69 | 0.63 | 1.34 | 0.57 | 1.64 | 2.45 | 3.03 | |||||||||||||
1967 | 2.27 | 0.73 | 1.22 | 1.02 | 1.21 | 0.66 | 0.00 | 0.20 | 0.19 | 0.93 | 0.73 | 1.79 | 2.27 | |||||||||||||
1968 | 0.85 | 1.56 | 1.01 | 0.31 | 0.66 | 0.11 | 0.04 | 0.55 | 0.24 | 0.70 | 1.36 | 1.02 | 1.56 | |||||||||||||
1969 | 0.89 | 0.85 | 0.64 | 0.61 | 0.47 | 1.06 | 0.01 | 0.00 | 0.20 | 0.94 | 1.81 | 1.94 | 1.94 | |||||||||||||
1970 | 1.96 | 0.60 | 0.99 | 0.64 | 0.44 | 0.70 | 0.00 | 0.02 | 0.31 | 1.16 | 2.64 | 1.10 | 2.64 | |||||||||||||
1971 | 1.74 | 0.47 | 0.68 | 0.65 | 0.61 | 0.91 | 0.05 | 0.22 | 1.12 | 0.51 | 1.46 | 0.58 | 1.74 | |||||||||||||
1972 | 2.48 | 0.46 | 1.69 | 0.61 | 0.51 | 0.81 | 0.02 | 0.13 | 0.28 | 0.92 | 0.78 | 1.01 | 2.48 | |||||||||||||
1973 | 1.23 | 0.35 | 0.59 | 0.53 | 0.64 | 0.09 | 0.06 | 0.04 | 0.57 | 2.35 | 3.97 | 1.08 | 3.97 | |||||||||||||
1974 | 1.95 | 1.03 | 1.35 | 1.41 | 0.48 | 0.12 | 0.43 | 0.00 | 0.00 | 0.58 | 1.04 | 1.00 | 1.95 | |||||||||||||
1975 | 1.20 | 1.32 | 2.50 | 0.70 | 0.34 | 0.46 | 0.61 | 0.90 | 0.34 | 1.25 | 0.97 | 1.58 | 2.50 | |||||||||||||
1976 | 1.04 | 1.28 | 0.46 | 0.47 | 0.53 | 0.46 | 0.23 | 0.92 | 0.62 | 1.45 | 0.42 | 0.61 | 1.45 | |||||||||||||
1977 | 0.66 | 0.48 | 0.63 | 0.42 | 0.85 | 0.22 | 0.26 | 0.39 | 1.84 | 0.83 | 0.98 | 1.92 | 1.92 | |||||||||||||
1978 | 0.32 | 1.30 | 0.66 | 0.43 | 0.58 | 0.68 | 0.46 | 0.49 | 0.57 | 0.22 | 1.20 | 0.70 | 1.30 | |||||||||||||
1979 | 2.61 | 1.02 | 0.69 | 0.91 | 0.99 | 0.71 | 0.24 | 0.21 | 0.27 | 1.50 | 1.14 | 1.48 | 2.61 | |||||||||||||
1980 | 1.42 | 0.76 | 1.22 | 1.12 | 1.05 | 0.62 | 0.00 | 0.00 | 0.41 | 1.58 | 1.44 | 1.43 | 1.58 | |||||||||||||
1981 | 0.40 | 1.19 | 0.68 | 0.44 | 0.84 | 0.58 | 0.42 | 0.00 | 0.85 | 1.71 | 1.17 | 2.13 | 2.13 | |||||||||||||
1982 | 0.69 | 2.39 | 0.72 | 0.29 | 0.06 | 1.24 | 0.16 | 0.20 | 0.47 | 1.16 | 0.88 | 2.97 | 2.97 | |||||||||||||
1983 | 0.43 | 2.11 | 3.02 | 0.56 | a | 0.87 | 0.91 | 0.63 | 1.11 | 0.56 | 0.69 | 0.95 | 1.42 | 3.02 | a | |||||||||||
1984 | 0.35 | 1.29 | 1.06 | 0.82 | 0.47 | 0.58 | 0.10 | 0.82 | 0.40 | 1.00 | 1.43 | 0.84 | 1.43 | |||||||||||||
1985 | 0.30 | 1.62 | 0.51 | 0.66 | 0.49 | 0.46 | 0.05 | 0.04 | 0.51 | 1.56 | 0.77 | 0.61 | 1.62 | |||||||||||||
1986 | 1.32 | 1.55 | 0.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.27 | 1.09 | 0.91 | 0.73 | 0.62 | 0.62 | 0.31 | 0.32 | 0.56 | 1.12 | 1.43 | 1.41 | 2.20 | |||||||||||||
S.D. | 0.69 | 0.61 | 0.57 | 0.31 | 0.27 | 0.45 | 0.37 | 0.34 | 0.40 | 0.73 | 0.81 | 0.83 | 0.75 | |||||||||||||
SKEW | 0.66 | 0.50 | 2.01 | 0.82 | 0.30 | 1.15 | 1.40 | 1.05 | 1.17 | 1.58 | 1.51 | 1.36 | 0.93 | |||||||||||||
MAX | 3.03 | 2.69 | 3.02 | 1.64 | 1.24 | 2.00 | 1.54 | 1.18 | 1.84 | 3.45 | 3.97 | 3.98 | 3.98 | |||||||||||||
MIN | 0.30 | 0.15 | 0.31 | 0.29 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.22 | 0.35 | 1.30 | |||||||||||||
YRS | 44 | 46 | 46 | 45 | 45 | 45 | 45 | 43 | 43 | 42 | 42 | 44 | 37 |