YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.90 | a | ----- | z | 41.32 | e | 29.42 | m | ----- | z | ----- | z | 46.61 | j |
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 | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.62 | 27.95 | 21.93 | ----- | z | 30.83 | i | |||
1971 | 14.05 | 12.14 | 18.98 | 28.03 | 35.97 | 47.86 | a | 52.53 | 51.42 | 41.18 | 33.50 | a | 21.28 | a | 12.58 | 30.79 | ||||||||||
1972 | 12.71 | 18.64 | a | 24.19 | 28.62 | 36.44 | 47.97 | 52.35 | 50.32 | 43.15 | 35.66 | 16.98 | 13.66 | 31.72 | ||||||||||||
1973 | 14.00 | a | 16.29 | 20.00 | 22.50 | 36.55 | 45.82 | 50.28 | a | 51.03 | a | 43.15 | 36.23 | 25.37 | 14.56 | 31.31 | ||||||||||
1974 | 11.92 | 14.26 | a | 23.02 | a | 25.53 | 40.58 | a | 47.88 | 51.63 | 49.31 | 43.60 | 36.68 | 20.47 | 12.18 | 31.42 | ||||||||||
1975 | 13.87 | a | 12.82 | 18.92 | 25.22 | 34.16 | 44.35 | 51.81 | 49.63 | a | 42.36 | a | 33.43 | a | 21.12 | a | 17.52 | 30.43 | ||||||||
1976 | 13.06 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 13.06 | k | |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | 25.08 | 29.92 | 35.45 | a | 47.02 | 53.06 | ----- | z | ----- | z | ----- | z | 22.02 | 10.40 | 31.85 | e | ||||||
1979 | 7.60 | 14.84 | 20.33 | a | ----- | z | ----- | z | ----- | z | 51.31 | ----- | z | 47.17 | 35.15 | 15.28 | e | 17.59 | h | 27.38 | e | |||||
1980 | 14.31 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 14.31 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 12.69 | 14.83 | 21.50 | 26.64 | 36.52 | 46.82 | 51.86 | 50.34 | 43.07 | 34.08 | 20.56 | 13.48 | 31.14 | |||||||||||||
S.D. | 2.21 | 2.38 | 2.55 | 2.72 | 2.17 | 1.46 | 0.84 | 0.90 | 1.87 | 2.98 | 3.13 | 2.43 | 0.52 | |||||||||||||
SKEW | -1.72 | 0.50 | 0.33 | -0.32 | 1.12 | -0.85 | -0.49 | 0.04 | 1.33 | -1.35 | -0.37 | 0.53 | -0.32 | |||||||||||||
MAX | 14.31 | 18.64 | 25.08 | 29.92 | 40.58 | 47.97 | 53.06 | 51.42 | 47.17 | 36.68 | 25.37 | 17.52 | 31.72 | |||||||||||||
MIN | 7.60 | 12.14 | 18.92 | 22.50 | 34.16 | 44.35 | 50.28 | 49.31 | 41.18 | 27.95 | 15.28 | 10.40 | 30.43 | |||||||||||||
YRS | 8 | 6 | 7 | 6 | 6 | 6 | 8 | 5 | 8 | 7 | 8 | 6 | 5 |