YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.77 | 0.47 | r | 0.85 | 0.34 | 0.27 | 0.26 | ----- | z | |||||
1929 | 0.29 | 0.42 | 0.86 | 1.50 | 0.40 | 0.14 | x | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.37 | j | 0.12 | j | 0.32 | ----- | z | |
1967 | 1.20 | 0.29 | 0.41 | 0.94 | 0.03 | 0.38 | 0.48 | 0.59 | 0.17 | 0.19 | 0.97 | 0.35 | 1.20 | |||||||||||||
1968 | 0.81 | 0.22 | 0.11 | 0.32 | 0.62 | 0.22 | 0.80 | 0.40 | 0.33 | 0.55 | 0.16 | 0.89 | 0.89 | |||||||||||||
1969 | 0.22 | 0.21 | 0.31 | 0.00 | 0.28 | 0.39 | 0.52 | 0.70 | 0.13 | 0.72 | 0.23 | 0.23 | 0.72 | |||||||||||||
1970 | 0.07 | 0.17 | 0.32 | 0.24 | 0.21 | 0.25 | 0.72 | 0.80 | 0.32 | 0.06 | p | 0.94 | 0.92 | 0.94 | p | |||||||||||
1971 | 0.09 | 0.17 | ----- | z | 0.01 | 0.25 | 0.26 | 0.80 | h | ----- | z | 1.04 | n | 1.40 | 0.12 | 0.72 | ----- | z | ||||||||
1972 | 1.22 | 0.00 | 0.30 | 0.33 | 0.31 | 0.74 | 0.74 | 0.58 | 0.57 | 1.16 | 0.15 | 0.86 | 1.22 | |||||||||||||
1973 | 0.34 | ----- | z | ----- | z | ----- | z | 0.68 | 0.02 | 0.45 | 1.07 | 1.02 | 1.25 | 0.65 | 0.28 | ----- | z | |||||||||
1974 | 0.19 | 0.05 | 0.35 | a | 0.10 | 0.13 | 0.18 | 0.85 | 0.67 | 0.80 | 0.68 | 0.83 | 0.30 | 0.85 | a | |||||||||||
1975 | 0.75 | 0.34 | 0.42 | 0.43 | 0.27 | 0.38 | 0.30 | 0.69 | 1.00 | 0.54 | 0.23 | 0.78 | 1.00 | |||||||||||||
1976 | 0.50 | 0.63 | 0.21 | 0.25 | 0.22 | 0.14 | 0.16 | 0.21 | 0.29 | 0.34 | 0.23 | 0.36 | 0.63 | |||||||||||||
1977 | 0.50 | 0.25 | 0.78 | 0.30 | 0.40 | 0.30 | 0.45 | 0.45 | 0.65 | 0.32 | ----- | z | 0.66 | ----- | z | |||||||||||
1978 | 0.11 | 0.16 | 0.04 | ----- | z | 0.21 | 0.65 | 0.55 | 1.70 | 0.59 | 0.35 | 2.04 | 0.80 | ----- | z | |||||||||||
1979 | 0.20 | 0.00 | 0.15 | 0.37 | 0.13 | 0.50 | 0.75 | 0.45 | 0.38 | 0.15 | 0.55 | 0.21 | 0.75 | |||||||||||||
1980 | 0.25 | 0.15 | 0.20 | 0.03 | 0.25 | 0.85 | 0.85 | 0.57 | 0.63 | 0.55 | 0.16 | 0.50 | 0.85 | |||||||||||||
1981 | 0.32 | 0.33 | c | 0.00 | i | 0.35 | 0.20 | 0.63 | 0.65 | 0.63 | 0.30 | 0.88 | 0.70 | ----- | z | ----- | z | |||||||||
1982 | 0.60 | 0.20 | a | 0.40 | 0.60 | 0.40 | 0.45 | 1.20 | 0.75 | 1.25 | 0.85 | 0.83 | i | 1.00 | c | 1.25 | m | |||||||||
1983 | 0.00 | e | 0.00 | d | 0.00 | b | 1.00 | 0.30 | 0.25 | 0.43 | 0.80 | 0.78 | 1.10 | 0.40 | 1.00 | 1.10 | k | |||||||||
1984 | 0.40 | 0.20 | 0.20 | 0.35 | 0.60 | 0.12 | 0.40 | ----- | z | 0.25 | 0.22 | 0.25 | 0.80 | ----- | z | |||||||||||
1985 | 0.40 | 0.40 | 0.60 | 0.10 | 0.47 | 0.45 | ----- | z | 0.92 | 1.40 | 0.82 | 2.52 | 0.20 | ----- | z | |||||||||||
1986 | 0.15 | 0.40 | 0.00 | 0.40 | ----- | z | ----- | z | 0.37 | 0.40 | 0.40 | 0.75 | 0.50 | 0.45 | ----- | z | ||||||||||
1987 | 0.50 | 0.30 | 0.20 | ----- | z | 0.18 | 0.20 | 0.34 | a | 0.45 | 0.40 | 0.40 | b | ----- | z | ----- | z | ----- | z | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.41 | 0.23 | 0.31 | 0.40 | 0.31 | 0.37 | 0.59 | 0.68 | 0.60 | 0.65 | 0.63 | 0.57 | 0.90 | |||||||||||||
S.D. | 0.33 | 0.16 | 0.24 | 0.38 | 0.17 | 0.22 | 0.25 | 0.32 | 0.36 | 0.36 | 0.65 | 0.29 | 0.20 | |||||||||||||
SKEW | 1.16 | 0.47 | 0.88 | 1.52 | 0.71 | 0.61 | 0.51 | 1.69 | 0.72 | 0.51 | 1.87 | 0.14 | 0.47 | |||||||||||||
MAX | 1.22 | 0.63 | 0.86 | 1.50 | 0.68 | 0.85 | 1.20 | 1.70 | 1.40 | 1.40 | 2.52 | 1.00 | 1.22 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.02 | 0.16 | 0.21 | 0.13 | 0.15 | 0.12 | 0.20 | 0.63 | |||||||||||||
YRS | 22 | 21 | 19 | 19 | 21 | 20 | 20 | 19 | 21 | 21 | 19 | 21 | 9 |