YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.51 | 0.99 | 0.47 | 0.10 | 0.00 | 0.58 | ----- | z | ||||||
1943 | 0.29 | 0.20 | 0.12 | 0.04 | 0.23 | 1.05 | 0.62 | 1.10 | 1.52 | 0.20 | 0.23 | 1.10 | 1.52 | |||||||||||||
1944 | 0.38 | 0.17 | 0.20 | 0.54 | 0.20 | 0.30 | 0.80 | 0.52 | 0.45 | 0.62 | 0.18 | 0.33 | 0.80 | |||||||||||||
1945 | 0.43 | 0.15 | 0.32 | 0.65 | 0.06 | 0.15 | 0.43 | 0.79 | 0.55 | 0.47 | 0.10 | 0.60 | 0.79 | |||||||||||||
1946 | 0.08 | 0.20 | 0.65 | 0.20 | 0.40 | 0.00 | 0.66 | 0.84 | 0.70 | y | 0.77 | 0.27 | 0.20 | 0.84 | y | |||||||||||
1947 | 0.20 | 0.20 | 0.05 | 0.27 | 0.73 | 0.62 | 0.83 | v | 0.45 | m | 0.25 | x | 0.54 | p | 0.20 | ----- | z | ----- | z | |||||||
1948 | 0.80 | 0.80 | 0.54 | 0.23 | 0.79 | 0.38 | 0.32 | 0.64 | 0.18 | 0.34 | 0.19 | 0.22 | 0.80 | |||||||||||||
1949 | 0.30 | 0.20 | 0.90 | 0.30 | 0.75 | 0.36 | 0.67 | 0.22 | 0.76 | 0.23 | 0.30 | 0.25 | 0.90 | |||||||||||||
1950 | 0.15 | 0.06 | 0.14 | 0.40 | 0.12 | 0.60 | 0.59 | 0.64 | 0.37 | 0.41 | 0.30 | 0.00 | 0.64 | |||||||||||||
1951 | 0.15 | 0.20 | 0.33 | 0.48 | 0.24 | 0.00 | 0.40 | 1.25 | 0.31 | 0.39 | 0.52 | a | 0.99 | a | 1.25 | b | ||||||||||
1952 | 0.25 | 0.25 | 0.18 | 0.44 | 1.26 | 0.18 | 0.75 | 0.50 | 1.18 | 0.00 | 0.70 | 0.53 | 1.26 | |||||||||||||
1953 | 0.16 | 0.12 | 0.10 | 0.25 | 0.43 | 0.51 | 0.72 | 0.30 | 0.00 | 0.63 | 0.65 | 0.24 | 0.72 | |||||||||||||
1954 | 0.22 | 0.15 | 0.28 | 0.27 | 0.45 | 0.14 | 0.73 | 0.25 | 0.29 | 0.15 | 0.00 | ----- | z | ----- | z | |||||||||||
1955 | 0.32 | 0.19 | 0.00 | 0.30 | 0.98 | 0.00 | 0.52 | 0.58 | 0.10 | 0.03 | 0.17 | 0.26 | 0.98 | |||||||||||||
1956 | 0.16 | 0.27 | 0.08 | 0.00 | 0.26 | 0.24 | 0.42 | 0.41 | 0.00 | 0.22 | 0.12 | 0.05 | 0.42 | |||||||||||||
1957 | 0.23 | 0.08 | 0.51 | 0.72 | 0.61 | a | 0.37 | 1.77 | 0.54 | 0.04 | 0.66 | 0.86 | 0.00 | 1.77 | a | |||||||||||
1958 | 0.53 | 0.32 | 0.47 | 0.98 | 0.28 | 0.21 | 0.42 | 2.43 | 0.62 | 0.22 | 0.65 | 0.13 | 2.43 | |||||||||||||
1959 | 0.05 | 0.22 | 0.62 | 0.61 | 0.59 | 0.32 | 0.31 | 0.64 | 0.30 | 0.75 | a | 0.00 | 0.52 | 0.75 | a | |||||||||||
1960 | 0.23 | a | 0.23 | 0.32 | 0.47 | 0.44 | 0.32 | 0.74 | 0.49 | 0.58 | 0.88 | 0.28 | a | 0.43 | 0.88 | b | ||||||||||
1961 | 0.08 | 0.32 | 0.68 | 0.46 | 0.00 | 0.25 | 0.72 | 0.84 | 0.60 | 0.64 | 0.24 | 0.25 | 0.84 | |||||||||||||
1962 | 0.15 | 0.08 | 0.30 | 0.13 | 0.02 | 0.27 | 0.23 | 0.25 | 0.62 | 0.23 | 0.25 | 0.15 | 0.62 | |||||||||||||
1963 | 0.28 | 0.45 | 0.23 | 0.20 | 0.20 | 0.60 | 0.38 | 0.63 | 0.38 | 0.32 | 0.17 | 0.04 | 0.63 | |||||||||||||
1964 | 0.28 | 0.42 | 0.18 | 0.30 | 0.14 | 0.81 | 0.68 | 1.37 | 0.63 | ----- | z | 0.70 | 0.80 | ----- | z | |||||||||||
1965 | 0.63 | 0.62 | 0.60 | 1.08 | 0.52 | 0.70 | 1.05 | 1.33 | 0.83 | 1.27 | 0.41 | 0.61 | 1.33 | |||||||||||||
1966 | 0.16 | 0.20 | 0.00 | 0.25 | 0.23 | 0.70 | 0.83 | 1.25 | 1.01 | 0.75 | 0.31 | 0.25 | 1.25 | |||||||||||||
1967 | 0.14 | 0.10 | 0.15 | 0.00 | 0.26 | 0.43 | 0.85 | 1.22 | 0.35 | 0.32 | 0.00 | 0.23 | 1.22 | |||||||||||||
1968 | 0.08 | 0.20 | a | 0.45 | 0.30 | 0.75 | 0.17 | 0.85 | 1.82 | 0.16 | 0.05 | 0.22 | 0.08 | 1.82 | a | |||||||||||
1969 | 0.30 | 0.02 | 0.21 | 0.45 | 0.52 | 0.77 | 0.47 | 0.59 | 0.42 | 0.80 | 0.08 | a | 0.12 | 0.80 | a | |||||||||||
1970 | 0.07 | 0.20 | 0.34 | 0.13 | 0.36 | 0.06 | 0.50 | 0.53 | 0.70 | 0.33 | 0.18 | 0.07 | 0.70 | |||||||||||||
1971 | 0.09 | 0.38 | 0.35 | 0.62 | 0.26 | 0.34 | 0.50 | 0.34 | 1.03 | 0.53 | 0.35 | 0.31 | 1.03 | |||||||||||||
1972 | 0.24 | 0.15 | 0.00 | 0.10 | 0.63 | 0.24 | 0.39 | 1.43 | 0.45 | 0.49 | 0.32 | 0.26 | 1.43 | |||||||||||||
1973 | 0.13 | 0.18 | 0.22 | 0.10 | 0.19 | 0.15 | 0.58 | 0.18 | 0.61 | 0.60 | 0.10 | 0.12 | 0.61 | |||||||||||||
1974 | 0.40 | 0.00 | 0.34 | 0.07 | 0.25 | 0.70 | 0.60 | 0.75 | 0.27 | 0.50 | 0.20 | 0.20 | 0.75 | |||||||||||||
1975 | 0.20 | 0.33 | 0.56 | 0.30 | 0.10 | 0.33 | 1.15 | 0.75 | 0.60 | 0.00 | 1.00 | 0.40 | h | 1.15 | h | |||||||||||
1976 | 0.00 | 0.40 | ----- | z | 0.32 | 0.84 | 0.20 | 0.83 | 0.87 | 0.35 | 0.19 | 0.45 | ----- | z | ----- | z | ||||||||||
1977 | 0.21 | 0.48 | 0.45 | 0.15 | 0.55 | 0.37 | 0.84 | 0.51 | 0.70 | 0.05 | 0.50 | 0.02 | 0.84 | |||||||||||||
1978 | 0.14 | 0.07 | 0.23 | 0.17 | 0.79 | 0.42 | 0.45 | 1.03 | 0.29 | 0.72 | 1.00 | 0.25 | 1.03 | |||||||||||||
1979 | 0.31 | 0.13 | 0.39 | 0.32 | 0.52 | 0.87 | 1.12 | 1.08 | 0.29 | 0.29 | 0.55 | 0.45 | 1.12 | |||||||||||||
1980 | 0.41 | 0.50 | 0.33 | 0.31 | 0.52 | 0.00 | 0.12 | 0.30 | 0.30 | ----- | z | 0.15 | 0.10 | ----- | z | |||||||||||
1981 | 0.01 | 0.00 | 0.39 | 0.16 | 0.38 | 0.72 | 0.66 | 0.46 | 0.25 | ----- | z | 0.10 | 0.52 | ----- | z | |||||||||||
1982 | 0.54 | b | 0.51 | 0.45 | 0.00 | 0.00 | 0.21 | 1.03 | 1.35 | 0.55 | ----- | z | 0.30 | a | 0.25 | ----- | z | |||||||||
1983 | 0.41 | 0.26 | a | 0.22 | 0.25 | a | 0.30 | 0.32 | 0.70 | 0.39 | a | 0.32 | 0.10 | 0.30 | 0.15 | 0.70 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.25 | 0.24 | 0.32 | 0.32 | 0.42 | 0.38 | 0.66 | 0.79 | 0.49 | 0.41 | 0.32 | 0.31 | 1.02 | |||||||||||||
S.D. | 0.17 | 0.17 | 0.21 | 0.24 | 0.29 | 0.26 | 0.29 | 0.47 | 0.32 | 0.29 | 0.26 | 0.26 | 0.43 | |||||||||||||
SKEW | 1.14 | 1.14 | 0.55 | 1.20 | 0.73 | 0.62 | 1.30 | 1.25 | 1.07 | 0.64 | 1.09 | 1.32 | 1.42 | |||||||||||||
MAX | 0.80 | 0.80 | 0.90 | 1.08 | 1.26 | 1.05 | 1.77 | 2.43 | 1.52 | 1.27 | 1.00 | 1.10 | 2.43 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 0.42 | |||||||||||||
YRS | 41 | 41 | 40 | 41 | 41 | 41 | 41 | 41 | 40 | 37 | 42 | 38 | 32 |