YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.64 | ----- | z | |
1932 | 0.17 | 0.76 | 0.29 | 0.28 | 0.72 | 0.42 | 0.11 | 0.18 | 0.21 | 0.30 | 0.42 | 0.17 | 0.76 | |||||||||||||
1933 | 0.30 | 0.35 | 0.29 | 0.18 | 0.38 | 0.27 | 0.09 | 0.70 | 0.24 | 0.16 | 0.44 | 0.48 | 0.70 | |||||||||||||
1934 | 0.27 | 0.20 | 0.32 | 0.34 | a | 0.47 | 1.64 | 0.10 | 0.14 | 0.20 | 0.68 | 0.14 | 0.36 | 1.64 | a | |||||||||||
1935 | 0.27 | 0.08 | 0.17 | 0.70 | 0.33 | 0.21 | 0.11 | 0.16 | 0.07 | 0.52 | 0.21 | 0.06 | 0.70 | |||||||||||||
1936 | 0.40 | 0.20 | 0.19 | 0.55 | 0.22 | 0.89 | 0.16 | 0.05 | 0.40 | 0.18 | 0.00 | 0.28 | 0.89 | |||||||||||||
1937 | 0.22 | 0.09 | 0.36 | 0.29 | 0.18 | 0.81 | 0.07 | 0.08 | 0.46 | 0.63 | 0.38 | 0.49 | 0.81 | |||||||||||||
1938 | 0.16 | 1.00 | 0.43 | 0.47 | a | 0.43 | 0.60 | 1.05 | 0.30 | 0.86 | 0.81 | 0.20 | 0.07 | 1.05 | a | |||||||||||
1939 | 0.12 | 0.32 | 0.35 | 0.24 | 0.61 | 0.34 | 0.22 | 0.31 | 0.52 | 0.83 | 0.06 | 0.28 | 0.83 | |||||||||||||
1940 | 0.20 | 0.35 | 0.51 | 0.30 | 0.15 | 0.34 | 0.35 | 0.00 | 0.81 | 0.59 | 0.31 | 0.09 | 0.81 | |||||||||||||
1941 | 0.10 | 0.23 | 0.12 | 0.48 | 0.59 | 0.96 | 0.08 | 0.21 | 0.46 | 0.58 | 0.38 | 0.41 | 0.96 | |||||||||||||
1942 | 0.27 | 0.17 | 0.19 | 0.74 | 0.53 | 0.70 | 0.22 | 0.35 | 0.58 | 0.30 | 0.45 | 0.25 | 0.74 | |||||||||||||
1943 | 0.50 | 0.37 | 0.45 | 0.60 | 0.19 | 0.39 | 0.19 | 0.41 | 0.03 | 0.19 | 0.30 | 0.03 | 0.60 | |||||||||||||
1944 | 0.06 | 0.31 | 0.20 | 0.29 | 0.52 | 0.76 | 0.07 | 0.26 | 0.33 | 0.25 | 0.48 | 0.15 | 0.76 | |||||||||||||
1945 | 0.27 | 0.22 | 0.46 | 0.20 | 0.77 | 0.84 | 0.53 | 0.32 | 0.28 | 0.06 | 0.23 | 0.48 | 0.84 | |||||||||||||
1946 | 0.16 | 0.43 | 0.37 | 0.29 | a | 0.84 | 0.40 | 0.48 | 0.15 | 1.21 | 0.28 | 0.54 | 0.36 | 1.21 | a | |||||||||||
1947 | 0.21 | 0.15 | 0.36 | 0.27 | 0.48 | 0.58 | 0.15 | 0.15 | 0.36 | 0.59 | 0.29 | 0.18 | 0.59 | |||||||||||||
1948 | 0.19 | 0.28 | 0.79 | 0.51 | 0.75 | 0.68 | 0.31 | 0.23 | 0.05 | 0.42 | 0.14 | 0.42 | 0.79 | |||||||||||||
1949 | 0.17 | 0.30 | 0.15 | 0.29 | 0.54 | 0.23 | 0.17 | 0.50 | 0.07 | 0.23 | 0.84 | 0.17 | 0.84 | |||||||||||||
1950 | 0.33 | 0.11 | 0.24 | 0.62 | 0.15 | a | 0.82 | 0.53 | 0.24 | 0.26 | 0.30 | 0.25 | 0.29 | 0.82 | a | |||||||||||
1951 | 0.15 | 0.20 | 0.28 | 0.13 | 0.41 | a | 0.50 | 0.16 | h | 0.32 | 0.05 | 0.44 | 0.28 | 0.26 | 0.50 | i | ||||||||||
1952 | 0.06 | a | 0.30 | 0.16 | 0.65 | 1.35 | 1.41 | 0.35 | 0.10 | 0.76 | 0.14 | 0.15 | 0.17 | 1.41 | a | |||||||||||
1953 | 0.26 | 0.33 | 0.49 | 0.39 | 1.25 | 0.53 | 0.00 | 0.52 | a | 0.01 | 0.28 | 0.21 | 0.13 | 1.25 | a | |||||||||||
1954 | 0.20 | 0.15 | 0.15 | 0.32 | 0.83 | 0.38 | 0.34 | 0.51 | 0.63 | 0.12 | 0.28 | 0.08 | 0.83 | |||||||||||||
1955 | 0.13 | 0.33 | 0.83 | 0.30 | 0.41 | 0.88 | 0.34 | 0.00 | a | 0.89 | 0.55 | 0.57 | 0.47 | 0.89 | a | |||||||||||
1956 | 0.53 | 0.90 | 0.17 | 0.21 | 0.71 | 0.79 | 0.41 | 0.65 | 0.44 | 0.63 | 0.34 | 0.89 | 0.90 | |||||||||||||
1957 | 0.25 | 0.19 | 0.19 | 0.35 | 0.62 | 0.38 | 0.26 | 0.22 | 0.08 | 0.54 | 0.15 | 0.68 | 0.68 | |||||||||||||
1958 | 0.18 | 0.16 | 0.23 | 0.35 | 0.30 | 1.10 | 0.21 | 0.10 | 0.25 | 0.64 | 0.38 | 1.03 | 1.10 | |||||||||||||
1959 | 0.56 | 0.13 | 0.21 | 0.21 | 1.45 | 0.46 | 0.13 | 0.26 | 0.80 | 0.21 | 0.09 | 0.08 | 1.45 | |||||||||||||
1960 | 0.21 | 0.63 | 0.22 | 0.28 | 0.54 | 0.19 | 0.32 | 0.94 | 0.88 | 0.14 | 0.41 | 0.13 | 0.94 | |||||||||||||
1961 | 0.23 | 0.22 | 0.39 | 0.25 | 0.48 | 0.08 | 0.32 | 0.90 | 0.28 | 0.57 | 1.06 | 0.14 | 1.06 | |||||||||||||
1962 | 0.40 | 0.11 | 0.36 | 0.14 | 0.76 | 0.11 | 0.11 | 0.34 | 0.29 | 0.83 | 0.33 | 0.29 | 0.83 | |||||||||||||
1963 | 0.20 | 0.42 | a | 0.22 | 0.25 | 0.54 | 0.41 | 0.41 | 0.53 | 0.37 | 0.28 | 0.35 | 0.34 | 0.54 | a | |||||||||||
1964 | 0.22 | 0.06 | 0.25 | 0.43 | 0.51 | 0.59 | 0.13 | 0.56 | 0.48 | 0.21 | 0.09 | 0.71 | 0.71 | |||||||||||||
1965 | 0.43 | 0.18 | 0.28 | 0.24 | 0.61 | 0.77 | 1.43 | 0.55 | 0.30 | 0.11 | 0.21 | 0.06 | 1.43 | |||||||||||||
1966 | 0.18 | 0.42 | 0.25 | 0.15 | 0.07 | 0.69 | 0.05 | 0.21 | 0.61 | 0.27 | 0.18 | 0.45 | 0.69 | |||||||||||||
1967 | 0.16 | 0.06 | 0.60 | 0.41 | 0.45 | 1.18 | 0.31 | 0.51 | 0.31 | 0.66 | 0.12 | 0.31 | 1.18 | |||||||||||||
1968 | 0.10 | 0.30 | 0.29 | 0.16 | 0.66 | 0.88 | 0.32 | 0.57 | 0.22 | 0.75 | 0.41 | 0.24 | 0.88 | |||||||||||||
1969 | 0.24 | 0.10 | 0.07 | 0.33 | 0.57 | 1.16 | 0.22 | 0.00 | 0.44 | 0.40 | 0.06 | 0.29 | 1.16 | |||||||||||||
1970 | 0.43 | 0.15 | 0.60 | 0.51 | 0.37 | 1.13 | b | 0.39 | 0.02 | 0.55 | 0.82 | 0.29 | 0.31 | 1.13 | b | |||||||||||
1971 | 0.25 | 0.12 | 0.31 | 0.13 | 0.48 | 0.76 | 0.38 | 0.22 | 0.31 | 0.15 | 0.38 | 0.22 | 0.76 | |||||||||||||
1972 | 0.22 | 0.11 | 0.23 | 0.32 | 0.26 | 0.50 | 0.43 | 0.32 | 1.26 | 0.33 | 0.28 | 0.14 | 1.26 | |||||||||||||
1973 | 0.25 | 0.10 | 0.20 | ----- | z | 0.64 | 0.49 | 0.15 | 0.11 | 0.44 | 0.20 | 0.41 | 0.39 | ----- | z | |||||||||||
1974 | 0.27 | 0.20 | 0.21 | 0.31 | 0.04 | 0.04 | 0.42 | 0.00 | 0.00 | 0.05 | 0.17 | 0.17 | 0.42 | |||||||||||||
1975 | 0.46 | 0.51 | 0.04 | 0.09 | 0.07 | 1.23 | 1.24 | 0.35 | 0.06 | 0.49 | 0.14 | 0.23 | 1.24 | |||||||||||||
1976 | 0.29 | 0.20 | 0.42 | 0.47 | 1.07 | 0.56 | 0.51 | 0.99 | e | 0.12 | 0.34 | 0.28 | 0.11 | 1.07 | e | |||||||||||
1977 | 0.19 | 0.11 | 0.12 | 0.01 | 0.81 | 1.08 | 0.18 | 0.29 | 0.48 | 0.59 | 0.24 | 0.34 | 1.08 | |||||||||||||
1978 | 0.45 | b | 0.14 | 0.13 | 1.49 | 0.26 | 0.19 | 0.52 | 1.01 | 0.72 | 0.07 | 0.27 | 0.57 | 1.49 | b | |||||||||||
1979 | 0.32 | 0.25 | 0.21 | 0.31 | 0.53 | 0.96 | ----- | z | ----- | z | 0.31 | 0.44 | 0.47 | a | 0.19 | ----- | z | |||||||||
1980 | 0.36 | 0.37 | 0.45 | 0.19 | 0.51 | 0.70 | 0.19 | ----- | z | 1.01 | 0.33 | 0.46 | 0.41 | ----- | z | |||||||||||
1981 | 0.20 | 0.24 | 0.21 | 0.38 | 1.02 | 1.01 | 0.50 | 0.41 | 0.46 | 0.43 | ----- | z | ----- | z | ----- | z | ||||||||||
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | 0.20 | n | 0.20 | e | 0.50 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.26 | 0.27 | 0.30 | 0.36 | 0.55 | 0.66 | 0.32 | 0.34 | 0.42 | 0.40 | 0.31 | 0.31 | 0.95 | |||||||||||||
S.D. | 0.12 | 0.20 | 0.17 | 0.23 | 0.31 | 0.36 | 0.28 | 0.26 | 0.31 | 0.23 | 0.19 | 0.21 | 0.28 | |||||||||||||
SKEW | 0.80 | 1.94 | 1.20 | 2.58 | 0.85 | 0.43 | 2.24 | 0.95 | 0.82 | 0.33 | 1.56 | 1.28 | 0.60 | |||||||||||||
MAX | 0.56 | 1.00 | 0.83 | 1.49 | 1.45 | 1.64 | 1.43 | 1.01 | 1.26 | 0.83 | 1.06 | 1.03 | 1.64 | |||||||||||||
MIN | 0.06 | 0.06 | 0.04 | 0.01 | 0.04 | 0.04 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.03 | 0.42 | |||||||||||||
YRS | 50 | 51 | 51 | 49 | 50 | 50 | 48 | 48 | 50 | 50 | 49 | 50 | 44 |