YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.10 | ----- | z | |
1942 | 0.58 | a | 0.54 | 0.54 | u | 0.90 | 0.21 | a | 0.25 | y | 0.46 | 0.35 | 0.20 | 0.30 | 0.33 | 0.27 | ----- | z | ||||||||
1943 | 0.12 | 0.22 | 0.35 | 0.47 | 0.75 | 1.05 | 1.90 | 0.55 | 0.10 | 0.30 | 0.10 | 0.15 | 1.90 | |||||||||||||
1944 | 0.20 | 0.20 | 0.20 | 0.90 | 0.40 | 0.55 | 0.15 | 0.15 | 0.01 | 0.00 | 0.22 | ----- | 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 | 0.33 | l | 0.74 | 0.30 | 0.09 | 0.30 | 0.34 | 0.18 | a | ----- | z | |||||
1954 | 0.20 | 0.25 | 0.49 | 0.20 | 0.28 | 0.10 | 0.26 | 0.25 | 0.34 | 0.33 | 0.60 | 0.22 | a | 0.60 | a | |||||||||||
1955 | 0.10 | 0.12 | 0.26 | 0.31 | 0.28 | 0.47 | 1.09 | 0.26 | d | 0.43 | 0.25 | 0.65 | 0.15 | 1.09 | d | |||||||||||
1956 | 0.30 | 0.30 | 0.32 | 0.55 | 0.31 | 0.11 | 0.46 | 0.33 | 0.00 | 0.30 | 0.27 | 0.40 | 0.55 | |||||||||||||
1957 | 0.36 | 0.31 | 0.30 | 0.55 | 1.15 | 0.52 | 0.42 | 0.32 | 0.42 | 0.42 | 0.41 | 0.13 | 1.15 | |||||||||||||
1958 | 0.08 | 0.22 | 0.28 | 0.40 | 0.89 | 0.34 | 0.28 | 0.55 | 0.28 | 0.10 | 0.30 | 0.19 | 0.89 | |||||||||||||
1959 | 0.34 | 0.31 | 0.21 | 0.26 | 0.41 | 0.75 | 0.50 | 0.35 | 1.10 | 0.36 | 0.12 | 0.13 | 1.10 | |||||||||||||
1960 | 0.15 | 0.29 | 0.26 | 0.17 | 0.44 | 0.06 | 0.15 | 0.40 | 0.22 | 0.23 | g | 0.23 | 0.16 | 0.44 | g | |||||||||||
1961 | 0.08 | 0.36 | 0.32 | 0.31 | 0.38 | 0.16 | 0.42 | 0.43 | 1.25 | 0.16 | 0.25 | 0.19 | 1.25 | |||||||||||||
1962 | 0.25 | 0.20 | 0.16 | 0.60 | 0.53 | 0.41 | 0.32 | 0.29 | 0.25 | 0.35 | 0.30 | 0.20 | 0.60 | |||||||||||||
1963 | 0.21 | 0.23 | 0.27 | 0.12 | 0.18 | 0.68 | 0.16 | 0.72 | 0.38 | 0.43 | 0.15 | 0.25 | 0.72 | |||||||||||||
1964 | 0.25 | 0.20 | 0.31 | 0.20 | 0.26 | 0.54 | 0.27 | 0.34 | 0.48 | 0.10 | 0.25 | 0.48 | 0.54 | |||||||||||||
1965 | 0.22 | 0.12 | 0.30 | 0.31 | 0.25 | 0.63 | 0.55 | 0.71 | 0.59 | 0.00 | 0.30 | 0.35 | 0.71 | |||||||||||||
1966 | 0.08 | 0.10 | 0.36 | 0.29 | 0.13 | 0.23 | 0.25 | 0.24 | 0.48 | 1.00 | 0.23 | 1.12 | 1.12 | |||||||||||||
1967 | 0.23 | 0.26 | 0.25 | 0.25 | 0.42 | 0.32 | 0.30 | 0.20 | 0.41 | 0.38 | 0.25 | 0.21 | 0.42 | |||||||||||||
1968 | 0.18 | 0.40 | 0.06 | 0.25 | 0.28 | 0.13 | 0.40 | 0.25 | 0.46 | 0.51 | 0.38 | 0.25 | 0.51 | |||||||||||||
1969 | 0.35 | 0.10 | 0.25 | 0.50 | 0.70 | 1.06 | 0.40 | 0.40 | 0.25 | 1.05 | 0.25 | 0.31 | 1.06 | |||||||||||||
1970 | 0.19 | 0.18 | 0.25 | 0.23 | 0.00 | 0.65 | 0.25 | 0.40 | 0.55 | 1.10 | 0.31 | 0.29 | 1.10 | |||||||||||||
1971 | 0.21 | 0.15 | 0.50 | 0.48 | 0.38 | 0.13 | 0.32 | 0.38 | 0.50 | 0.23 | 0.32 | 0.36 | 0.50 | |||||||||||||
1972 | 0.30 | 0.35 | 0.10 | 0.26 | 0.25 | 0.37 | 0.30 | 0.26 | 0.45 | 0.45 | 0.13 | 0.40 | 0.45 | |||||||||||||
1973 | 0.25 | 0.08 | 0.27 | 0.25 | 0.70 | 0.40 | 0.40 | 0.20 | 0.23 | 0.45 | 0.55 | 0.25 | 0.70 | |||||||||||||
1974 | 0.11 | 0.07 | 0.35 | 0.31 | 0.15 | 0.62 | l | 0.36 | 0.22 | 0.54 | 0.42 | 0.06 | 0.70 | 0.70 | l | |||||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | 0.35 | 0.26 | 0.38 | 0.44 | 0.37 | g | 0.75 | ----- | z | ----- | z | ----- | z | |||||
1976 | 0.10 | 0.30 | a | ----- | z | 0.05 | b | 0.79 | g | 0.26 | 0.46 | 0.30 | 0.34 | 0.04 | 0.15 | 0.02 | ----- | z | ||||||||
1977 | ----- | z | ----- | z | ----- | z | 0.30 | 0.75 | a | 0.39 | 0.95 | 0.54 | 0.73 | k | 0.72 | ----- | z | ----- | z | ----- | z | |||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | 0.35 | b | 1.15 | 0.06 | 0.60 | 0.45 | ----- | z | 0.40 | ----- | z | ----- | z | |||||
1979 | ----- | z | 0.03 | b | 0.71 | 0.50 | 0.80 | 0.39 | 0.60 | 0.30 | 0.00 | 0.20 | 0.04 | f | ----- | z | ----- | z | ||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | 0.41 | a | 0.02 | 0.08 | h | 0.20 | 0.43 | 0.02 | h | ----- | z | 0.00 | ----- | z | ||||
1981 | 0.02 | ----- | z | 0.62 | ----- | z | ----- | z | 0.25 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.21 | 0.23 | 0.31 | 0.37 | 0.43 | 0.43 | 0.45 | 0.36 | 0.39 | 0.39 | 0.29 | 0.28 | 0.85 | |||||||||||||
S.D. | 0.12 | 0.12 | 0.14 | 0.21 | 0.26 | 0.30 | 0.35 | 0.15 | 0.28 | 0.29 | 0.14 | 0.22 | 0.37 | |||||||||||||
SKEW | 1.04 | 0.53 | 1.06 | 1.15 | 0.95 | 0.90 | 2.64 | 0.94 | 1.34 | 1.03 | 0.83 | 2.27 | 1.08 | |||||||||||||
MAX | 0.58 | 0.54 | 0.71 | 0.90 | 1.15 | 1.15 | 1.90 | 0.72 | 1.25 | 1.10 | 0.65 | 1.12 | 1.90 | |||||||||||||
MIN | 0.02 | 0.03 | 0.06 | 0.05 | 0.00 | 0.02 | 0.06 | 0.15 | 0.00 | 0.00 | 0.06 | 0.00 | 0.42 | |||||||||||||
YRS | 26 | 26 | 25 | 27 | 29 | 29 | 30 | 31 | 29 | 28 | 27 | 27 | 20 |