YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.27 | ----- | z | ----- | z | ----- | z | 0.38 | 0.33 | ----- | 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 | ----- | 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 | 0.12 | 0.63 | 0.16 | 0.47 | 0.00 | 1.02 | 1.75 | 0.13 | 0.51 | 0.10 | 0.60 | ----- | z | |||||||||||
1955 | 0.04 | 0.15 | 0.16 | 0.95 | 2.73 | 0.10 | 0.24 | 0.82 | 0.50 | 0.03 | 0.25 | 0.10 | 2.73 | |||||||||||||
1956 | 0.14 | 0.65 | 0.23 | 0.50 | 0.68 | 0.52 | 1.00 | 0.72 | 0.00 | 0.21 | 0.24 | 0.10 | 1.00 | |||||||||||||
1957 | 0.03 | 0.06 | 0.50 | 2.16 | 0.42 | 0.99 | 1.48 | 1.30 | 0.12 | 0.26 | 0.35 | 0.00 | 2.16 | |||||||||||||
1958 | 0.30 | 0.10 | 0.35 | 0.25 | 1.39 | 0.56 | 2.00 | 1.26 | 0.20 | 0.06 | 0.45 | 0.40 | 2.00 | |||||||||||||
1959 | 0.40 | 0.40 | 1.20 | 0.20 | 0.93 | 0.10 | 0.38 | 0.27 | 0.70 | 0.28 | 0.15 | 0.30 | 1.20 | |||||||||||||
1960 | 1.00 | 0.65 | 0.20 | 1.50 | 0.27 | 0.42 | 1.77 | 0.38 | 0.30 | 0.95 | 0.14 | 0.40 | 1.77 | |||||||||||||
1961 | 0.15 | 0.20 | 0.38 | 0.60 | 0.63 | 1.50 | 0.40 | 0.60 | 0.50 | 0.34 | 0.30 | 0.05 | 1.50 | |||||||||||||
1962 | 0.15 | 0.30 | 0.50 | 0.35 | 2.16 | 0.27 | 0.87 | 0.18 | 0.14 | 0.48 | 0.45 | 0.10 | 2.16 | |||||||||||||
1963 | 0.10 | 0.34 | 0.45 | 0.00 | 0.16 | 0.24 | 0.57 | 1.10 | 0.72 | 0.50 | 0.25 | 0.10 | 1.10 | |||||||||||||
1964 | 0.25 | 0.60 | 0.15 | 0.30 | 1.25 | 0.18 | 0.63 | 0.54 | 0.41 | 0.00 | 0.40 | 0.12 | 1.25 | |||||||||||||
1965 | 0.25 | 0.25 | 0.25 | 0.64 | 0.36 | 3.50 | 0.94 | 0.93 | 0.68 | 0.60 | 0.00 | 0.11 | 3.50 | |||||||||||||
1966 | 0.70 | 0.15 | 0.25 | 0.25 | 0.16 | 0.28 | 0.80 | 2.42 | 1.25 | 0.30 | 0.15 | 0.14 | 2.42 | |||||||||||||
1967 | 0.20 | 0.10 | 0.12 | 0.35 | 1.78 | 0.66 | 0.90 | 0.70 | 0.38 | 0.35 | 0.28 | 0.40 | 1.78 | |||||||||||||
1968 | 0.15 | 0.15 | 0.60 | 0.35 | 0.42 | 0.66 | 0.42 | 0.37 | 0.33 | 0.33 | 0.40 | 0.25 | 0.66 | |||||||||||||
1969 | 0.08 | 0.22 | 0.48 | 1.08 | 0.71 | 0.61 | 0.24 | 0.40 | 0.42 | 1.00 | 0.28 | 0.20 | 1.08 | |||||||||||||
1970 | 0.10 | 0.00 | 0.40 | 0.45 | 0.38 | 0.27 | 0.72 | 0.57 | 1.40 | 0.35 | 0.35 | 0.00 | 1.40 | |||||||||||||
1971 | 0.28 | 0.43 | 0.55 | 0.82 | 0.68 | 0.38 | 2.30 | 1.32 | 0.61 | 0.33 | 0.32 | 0.11 | 2.30 | |||||||||||||
1972 | 0.30 | 0.05 | 0.65 | 0.40 | 0.47 | 0.45 | 0.53 | 0.44 | 2.25 | 0.45 | 1.10 | 0.20 | 2.25 | |||||||||||||
1973 | 0.52 | 0.10 | 0.55 | 0.30 | 0.38 | 0.28 | 0.94 | 0.48 | 3.53 | ----- | z | 1.00 | 0.80 | ----- | z | |||||||||||
1974 | 0.50 | 0.50 | 0.75 | 0.25 | 1.13 | 0.25 | 0.35 | 1.68 | 0.28 | 1.24 | 0.65 | 0.50 | 1.68 | |||||||||||||
1975 | 0.08 | 0.15 | 0.55 | 0.72 | 0.82 | 1.22 | 0.60 | 0.70 | 0.33 | 0.00 | 1.10 | 0.10 | 1.22 | |||||||||||||
1976 | 0.15 | 0.05 | 0.25 | 0.32 | 0.12 | 0.12 | 0.45 | 2.50 | 0.86 | a | 0.77 | 0.19 | 0.07 | 2.50 | a | |||||||||||
1977 | 0.08 | 0.10 | 0.02 | 0.16 | 0.75 | 0.30 | 0.50 | 0.36 | 0.12 | 0.00 | 0.40 | 0.10 | 0.75 | |||||||||||||
1978 | 0.30 | 0.25 | 0.04 | 0.14 | 0.65 | 0.96 | 0.70 | 0.77 | ----- | z | 0.42 | 0.17 | 0.03 | ----- | z | |||||||||||
1979 | ----- | z | 0.02 | a | ----- | z | ----- | z | 0.75 | 0.05 | b | ----- | z | ----- | z | 0.92 | ----- | z | 0.50 | 0.60 | ----- | z | ||||
1980 | 0.40 | a | 0.06 | 0.30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.27 | 0.23 | 0.40 | 0.53 | 0.79 | 0.57 | 0.85 | 0.90 | 0.67 | 0.41 | 0.38 | 0.23 | 1.75 | |||||||||||||
S.D. | 0.23 | 0.19 | 0.26 | 0.48 | 0.63 | 0.70 | 0.53 | 0.63 | 0.76 | 0.32 | 0.28 | 0.21 | 0.71 | |||||||||||||
SKEW | 1.66 | 1.00 | 0.99 | 1.95 | 1.59 | 3.00 | 1.26 | 1.24 | 2.48 | 0.91 | 1.47 | 1.13 | 0.52 | |||||||||||||
MAX | 1.00 | 0.65 | 1.20 | 2.16 | 2.73 | 3.50 | 2.30 | 2.50 | 3.53 | 1.24 | 1.10 | 0.80 | 3.50 | |||||||||||||
MIN | 0.03 | 0.00 | 0.02 | 0.00 | 0.12 | 0.00 | 0.24 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 0.66 | |||||||||||||
YRS | 25 | 27 | 26 | 25 | 26 | 26 | 26 | 25 | 26 | 24 | 27 | 27 | 22 |