YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.65 | 0.48 | 2.30 | 0.66 | 0.20 | 0.04 | ----- | z | ||||||
1905 | 0.38 | 0.50 | ----- | z | 1.20 | 0.28 | 0.89 | 1.68 | 1.03 | 0.28 | 0.10 | 0.40 | 0.00 | ----- | z | |||||||||||
1906 | 0.00 | 0.00 | 0.50 | 1.55 | 0.19 | a | 0.40 | 0.78 | 1.42 | 0.65 | 0.60 | 0.20 | 0.45 | 1.55 | a | |||||||||||
1907 | 0.17 | 0.00 | 0.00 | 0.90 | 0.84 | 0.07 | 1.38 | 0.90 | 0.18 | 1.64 | 0.40 | 0.00 | 1.64 | |||||||||||||
1908 | 0.10 | 0.50 | 0.10 | 0.95 | 0.40 | 0.25 | 0.71 | 0.87 | 0.03 | 0.33 | 0.80 | 0.00 | 0.95 | |||||||||||||
1909 | 1.01 | 0.10 | 0.32 | 0.65 | 1.05 | 0.52 | 1.10 | 1.53 | 1.37 | 0.52 | 0.45 | 0.27 | 1.53 | |||||||||||||
1910 | 0.18 | 0.32 | 0.05 | 0.55 | 1.00 | 0.80 | 0.34 | 0.48 | 0.43 | 0.08 | ----- | z | 0.16 | ----- | z | |||||||||||
1911 | 0.08 | 0.35 | 0.25 | 0.55 | 0.30 | 1.25 | 1.85 | 1.00 | 2.20 | 1.52 | 0.24 | 0.36 | 2.20 | |||||||||||||
1912 | 0.00 | 0.24 | 0.30 | 0.26 | 0.54 | 0.98 | 1.20 | 1.10 | 0.43 | 0.35 | 0.00 | 0.06 | 1.20 | |||||||||||||
1913 | 0.30 | 0.96 | 0.40 | 0.63 | 0.30 | 0.82 | 0.70 | 0.55 | 0.38 | 0.67 | 0.48 | 0.90 | 0.96 | |||||||||||||
1914 | 0.04 | 0.12 | 0.15 | 2.00 | 0.73 | 1.02 | 1.23 | 1.15 | 0.08 | 0.75 | 0.00 | 0.40 | 2.00 | |||||||||||||
1915 | 0.14 | 0.42 | 0.16 | 0.98 | 0.60 | 0.14 | 0.42 | 0.98 | 0.83 | 0.66 | 0.32 | 0.24 | 0.98 | |||||||||||||
1916 | 0.65 | 0.00 | 0.07 | 0.58 | 0.00 | 0.19 | 1.00 | 1.63 | 0.21 | 0.80 | 0.04 | 0.22 | 1.63 | |||||||||||||
1917 | 0.42 | 0.35 | 0.36 | 0.68 | 0.60 | 0.08 | 0.62 | 0.57 | 0.24 | 0.20 | 0.17 | 0.28 | 0.68 | |||||||||||||
1918 | 0.33 | 0.49 | ----- | z | ----- | z | 0.05 | 0.30 | 0.51 | 0.53 | 0.60 | 0.68 | 0.21 | 0.38 | ----- | z | ||||||||||
1919 | 0.00 | 0.56 | 1.54 | 0.50 | ----- | z | ----- | z | ----- | z | 0.05 | 0.60 | ----- | z | 0.35 | 0.42 | ----- | z | ||||||||
1920 | 0.12 | 0.30 | 0.12 | ----- | z | ----- | z | ----- | z | 0.74 | 0.78 | ----- | z | ----- | z | ----- | z | 0.32 | ----- | z | ||||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | 0.78 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.40 | 0.44 | 0.07 | 0.14 | 0.66 | ----- | z | ||||||
1925 | 0.12 | 1.04 | 0.14 | 0.11 | 0.72 | 0.99 | 1.19 | 0.94 | 0.62 | 0.23 | 0.62 | 0.28 | 1.19 | |||||||||||||
1926 | 0.94 | 0.02 | 1.06 | ----- | z | 0.45 | 0.61 | 0.66 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | 0.29 | 0.88 | 0.73 | 0.85 | 1.72 | 0.45 | 0.31 | 0.09 | 0.30 | ----- | z | |||||||||
1967 | 0.07 | 0.17 | 0.24 | 0.10 | 0.55 | 0.94 | 0.85 | 1.16 | 0.25 | 0.10 | 0.12 | 0.45 | 1.16 | |||||||||||||
1968 | 0.09 | 0.20 | 0.69 | 0.13 | 0.42 | 0.36 | 1.75 | 0.60 | 0.35 | 0.05 | 0.35 | 0.00 | 1.75 | |||||||||||||
1969 | 0.18 | 0.15 | 0.20 | 0.25 | 0.76 | 0.85 | 1.15 | 0.95 | 0.35 | 0.80 | 0.07 | 0.30 | 1.15 | |||||||||||||
1970 | 0.20 | 0.15 | 0.50 | 1.65 | 0.40 | 0.38 | 0.85 | 0.45 | 0.60 | 0.25 | 0.20 | 0.15 | 1.65 | |||||||||||||
1971 | 0.10 | 0.15 | 0.10 | 0.12 | 0.35 | 0.30 | 1.83 | 1.30 | 0.50 | 0.60 | 0.27 | 0.25 | 1.83 | |||||||||||||
1972 | 0.10 | 0.00 | 0.35 | 0.06 | 0.60 | 0.55 | 0.90 | 0.50 | 0.50 | 0.65 | 0.40 | 0.15 | 0.90 | |||||||||||||
1973 | 0.25 | 0.00 | 0.50 | 0.65 | 0.33 | 0.28 | 1.02 | 0.40 | 0.60 | 0.20 | 0.15 | 0.54 | 1.02 | |||||||||||||
1974 | 0.50 | 0.15 | 0.10 | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1975 | ----- | z | ----- | z | 0.15 | n | 0.36 | 0.19 | 0.73 | 1.23 | 0.53 | 0.73 | 0.26 | 0.31 | 0.15 | ----- | z | |||||||||
1976 | 0.11 | 0.11 | 0.65 | 0.41 | j | 0.25 | 0.25 | 1.55 | 1.37 | 0.45 | 0.25 | 0.35 | 0.10 | 1.55 | j | |||||||||||
1977 | 0.05 | 0.25 | 0.75 | 1.60 | 0.55 | 0.35 | 1.10 | 1.35 | 0.75 | 0.04 | 1.40 | 0.00 | 1.60 | |||||||||||||
1978 | 0.00 | 0.01 | 0.07 | 0.05 | 0.75 | 1.05 | b | 0.34 | 0.78 | 0.35 | 0.55 | 0.65 | 1.25 | 1.25 | b | |||||||||||
1979 | 1.75 | b | 0.05 | 0.75 | 0.15 | 0.82 | 0.15 | 0.95 | 1.12 | 0.25 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1980 | ----- | z | ----- | z | 0.25 | 1.35 | 0.92 | 0.08 | 0.60 | 0.40 | 1.05 | 0.10 | 0.47 | c | 0.15 | ----- | z | |||||||||
1981 | 0.00 | 0.10 | 0.85 | i | 0.05 | 0.55 | 0.50 | 1.05 | 1.50 | 0.60 | 0.15 | 0.15 | ----- | z | ----- | z | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.26 | 0.25 | 0.37 | 0.64 | 0.54 | 0.54 | 0.99 | 0.93 | 0.60 | 0.46 | 0.32 | 0.29 | 1.37 | |||||||||||||
S.D. | 0.37 | 0.26 | 0.34 | 0.55 | 0.27 | 0.34 | 0.41 | 0.42 | 0.50 | 0.39 | 0.28 | 0.27 | 0.40 | |||||||||||||
SKEW | 2.52 | 1.52 | 1.68 | 0.90 | -0.01 | 0.31 | 0.50 | 0.05 | 2.23 | 1.43 | 2.04 | 1.71 | 0.25 | |||||||||||||
MAX | 1.75 | 1.04 | 1.54 | 2.00 | 1.05 | 1.25 | 1.85 | 1.72 | 2.30 | 1.64 | 1.40 | 1.25 | 2.20 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.07 | 0.34 | 0.05 | 0.03 | 0.04 | 0.00 | 0.00 | 0.68 | |||||||||||||
YRS | 32 | 31 | 29 | 30 | 32 | 31 | 33 | 34 | 33 | 31 | 31 | 32 | 21 |