YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.60 | ----- | z | 0.00 | 0.27 | 0.20 | 0.04 | 0.20 | ----- | z | ||||||
1910 | 0.40 | 0.67 | 0.00 | 0.60 | ----- | z | 0.07 | ----- | z | ----- | z | 0.05 | 0.03 | 0.52 | 0.19 | b | ----- | z | ||||||||
1911 | 0.40 | a | 0.20 | 0.18 | 0.26 | 0.12 | 0.85 | 0.07 | 0.00 | 0.50 | 0.38 | 0.32 | 0.20 | 0.85 | a | |||||||||||
1912 | 0.27 | 0.13 | 0.24 | a | 0.33 | 0.35 | 0.42 | d | 0.88 | 0.32 | 0.17 | 0.17 | 0.23 | 0.20 | a | 0.88 | f | |||||||||
1913 | 0.20 | 0.04 | 0.11 | 0.46 | 0.35 | 0.81 | 0.85 | 0.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1914 | ----- | z | ----- | z | ----- | z | 0.37 | 0.35 | 0.83 | e | 0.06 | 0.00 | 0.25 | 0.32 | 0.10 | ----- | z | ----- | z | |||||||
1915 | ----- | z | 0.35 | 0.24 | 0.44 | 0.33 | 0.03 | 0.73 | 0.00 | 0.17 | 0.24 | 0.22 | a | 0.26 | ----- | z | ||||||||||
1916 | 0.55 | 0.29 | 0.30 | 0.55 | 0.48 | 0.48 | 0.23 | 0.28 | 0.07 | 0.05 | 0.16 | 0.40 | a | 0.55 | a | |||||||||||
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | 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 | 0.16 | 0.15 | 0.20 | 0.35 | 0.09 | 0.59 | 0.10 | 0.00 | 0.13 | 0.47 | 0.33 | ----- | z | |||||||||||
1927 | 0.03 | 0.11 | 0.25 | a | 0.61 | ----- | z | 0.40 | ----- | z | 0.10 | ----- | z | ----- | z | ----- | z | 0.62 | ----- | z | ||||||
1928 | 0.20 | 0.17 | a | 0.25 | a | 0.17 | 0.10 | 0.43 | 0.30 | 0.37 | 0.13 | 0.14 | 0.07 | 0.23 | 0.43 | b | ||||||||||
1929 | 0.13 | 0.02 | 0.10 | b | 0.38 | 0.25 | 0.32 | 0.00 | 0.00 | 0.10 | 0.39 | 0.00 | 0.73 | 0.73 | b | |||||||||||
1930 | 0.31 | 0.20 | 0.32 | 0.12 | 0.55 | 0.14 | 0.00 | 0.15 | 0.33 | 0.18 | 0.15 | 0.04 | 0.55 | |||||||||||||
1931 | 0.10 | 0.10 | 0.15 | 0.10 | 0.15 | 0.18 | 0.00 | 0.00 | 0.14 | 0.18 | 0.15 | 0.16 | 0.18 | |||||||||||||
1932 | 0.20 | 0.09 | 0.35 | 0.95 | 0.29 | 0.15 | 0.02 | 0.00 | 0.00 | 0.16 | 0.09 | 0.22 | 0.95 | |||||||||||||
1933 | 0.14 | 0.12 | 0.15 | 0.68 | 0.25 | 0.20 | 0.13 | 0.09 | 0.31 | 0.62 | 0.04 | 0.03 | a | 0.68 | a | |||||||||||
1934 | 0.30 | 0.25 | 0.10 | 0.15 | 0.27 | 1.23 | 0.00 | 0.17 | 0.12 | 0.33 | 0.19 | 0.32 | 1.23 | |||||||||||||
1935 | 0.06 | 0.15 | 0.05 | 0.38 | 0.77 | 0.28 | 0.80 | 0.00 | 0.00 | 0.48 | 0.10 | b | 0.33 | 0.80 | b | |||||||||||
1936 | 0.37 | 0.18 | a | 0.43 | 0.30 | 0.50 | 0.34 | 0.25 | 0.43 | 0.37 | 0.00 | 0.03 | 0.15 | 0.50 | a | |||||||||||
1937 | 0.05 | a | 0.27 | 0.25 | a | 0.45 | 0.07 | 0.72 | 0.52 | 0.09 | 0.57 | 0.47 | 0.32 | 0.60 | 0.72 | b | ||||||||||
1938 | 0.16 | 0.70 | 0.20 | 0.19 | 0.05 | 0.40 | 0.10 | 0.25 | 0.52 | 0.33 | 0.35 | 0.08 | 0.70 | |||||||||||||
1939 | 0.06 | 0.13 | 0.53 | 0.35 | 0.26 | 0.15 | 0.23 | 0.00 | 0.45 | 0.49 | 0.00 | 0.54 | 0.54 | |||||||||||||
1940 | 0.29 | 0.32 | 0.38 | 0.12 | 0.26 | 0.10 | 0.08 | 0.00 | 0.73 | 0.12 | 0.24 | 0.05 | 0.73 | |||||||||||||
1941 | 0.21 | 0.47 | 0.14 | 0.40 | 0.47 | 0.76 | 0.17 | 0.63 | 0.29 | 0.58 | 0.40 | 0.71 | 0.76 | |||||||||||||
1942 | 0.43 | 0.19 | 0.19 | 0.30 | 0.52 | 0.29 | 0.14 | 0.40 | 0.80 | 0.05 | 0.73 | 0.24 | 0.80 | |||||||||||||
1943 | 0.50 | 0.31 | 0.26 | 0.44 | 0.50 | 0.19 | 0.10 | 0.16 | 0.00 | 0.40 | 0.21 | 0.34 | 0.50 | |||||||||||||
1944 | 0.16 | 0.07 | 0.06 | 0.13 | 0.15 | 1.08 | 1.08 | 0.04 | 0.26 | 1.19 | 0.17 | 0.35 | 1.19 | |||||||||||||
1945 | 0.23 | 0.15 | 0.14 | 0.18 | 0.48 | 0.44 | 0.10 | 0.16 | 0.10 | 0.26 | 0.23 | 0.25 | 0.48 | |||||||||||||
1946 | 0.23 | ----- | 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 | 0.61 | 0.05 | 0.00 | 0.11 | 0.20 | 1.39 | 0.31 | 0.39 | ----- | z | ||||||||
1963 | 0.51 | 0.32 | 0.13 | 0.51 | 0.39 | 0.30 | 0.44 | 0.09 | 0.34 | 0.28 | 0.56 | 0.24 | 0.56 | |||||||||||||
1964 | 0.96 | 0.06 | 0.40 | a | 0.10 | 0.18 | 1.16 | 0.91 | 0.55 | 0.09 | b | 0.10 | c | 0.42 | 1.56 | c | 1.56 | i | ||||||||
1965 | 0.33 | 0.02 | 0.00 | 0.25 | ----- | z | 1.09 | 0.24 | 0.85 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | 0.31 | 0.06 | 0.00 | 0.65 | 0.12 | 0.87 | 0.57 | 0.11 | ----- | z | ||||||||
1969 | 0.32 | 0.11 | 0.37 | 0.40 | 0.42 | 0.81 | 0.30 | 0.00 | 0.13 | 0.24 | 0.55 | 0.46 | 0.81 | |||||||||||||
1970 | 0.44 | 0.60 | 0.31 | 0.05 | 0.35 | 0.21 | 0.11 | 0.00 | 0.00 | 0.22 | 0.30 | 0.50 | 0.60 | |||||||||||||
1971 | 0.55 | 0.20 | 0.43 | 0.22 | 0.90 | 0.15 | 0.26 | 0.00 | 0.15 | 0.50 | 0.82 | 0.15 | 0.90 | |||||||||||||
1972 | 0.99 | 0.08 | 0.25 | 0.07 | 0.15 | 0.11 | 0.17 | 0.10 | 0.17 | 0.22 | 0.20 | 0.35 | 0.99 | |||||||||||||
1973 | 0.12 | 0.17 | 0.22 | 0.22 | 0.40 | 0.01 | 0.03 | 0.19 | 0.15 | 0.21 | 0.46 | 0.29 | 0.46 | |||||||||||||
1974 | 0.19 | 0.16 | 0.32 | 0.20 | 0.42 | 0.19 | 0.13 | 0.25 | 0.00 | 0.31 | 0.06 | 0.20 | 0.42 | |||||||||||||
1975 | 0.13 | 0.25 | 0.57 | 0.10 | 0.18 | 0.27 | 0.95 | 0.27 | 0.07 | 0.69 | 0.17 | 0.25 | 0.95 | |||||||||||||
1976 | 0.21 | 0.29 | 0.11 | 0.17 | 0.13 | 0.41 | 0.21 | 0.70 | 0.39 | 0.05 | 0.17 | 0.07 | 0.70 | |||||||||||||
1977 | 0.12 | 0.09 | 0.18 | 0.00 | 1.35 | 0.18 | 0.28 | 0.65 | 0.65 | 0.27 | 0.54 | ----- | z | ----- | z | |||||||||||
1978 | ----- | z | ----- | z | ----- | z | 0.60 | 0.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.29 | 0.22 | 0.23 | 0.31 | 0.38 | 0.40 | 0.29 | 0.21 | 0.23 | 0.34 | 0.27 | 0.32 | 0.70 | |||||||||||||
S.D. | 0.22 | 0.16 | 0.14 | 0.20 | 0.25 | 0.34 | 0.32 | 0.23 | 0.21 | 0.30 | 0.21 | 0.27 | 0.23 | |||||||||||||
SKEW | 1.60 | 1.51 | 0.51 | 0.88 | 1.73 | 0.99 | 1.16 | 1.17 | 1.04 | 1.86 | 0.79 | 2.62 | 0.30 | |||||||||||||
MAX | 0.99 | 0.70 | 0.57 | 0.95 | 1.35 | 1.23 | 1.08 | 0.85 | 0.80 | 1.39 | 0.82 | 1.56 | 1.23 | |||||||||||||
MIN | 0.03 | 0.02 | 0.00 | 0.00 | 0.05 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.18 | |||||||||||||
YRS | 37 | 38 | 38 | 40 | 39 | 42 | 39 | 41 | 39 | 39 | 39 | 38 | 29 |