YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | 11.65 | a | 16.42 | b | 16.81 | 27.63 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 18.13 | h | ||
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 | 46.17 | 39.68 | 23.73 | 12.47 | 30.51 | h | ||||
1964 | 8.24 | 5.72 | 12.03 | 23.93 | 35.94 | 41.68 | 53.58 | 46.85 | 42.68 | 35.15 | 20.75 | 12.31 | 28.24 | |||||||||||||
1965 | 15.10 | 12.57 | 11.26 | 26.65 | 32.67 | b | 40.02 | 43.97 | 44.52 | a | 37.47 | 35.45 | 23.93 | 18.15 | 28.48 | |||||||||||
1966 | 8.35 | 7.89 | 20.30 | a | 25.10 | 37.52 | 44.03 | 53.79 | 49.47 | 43.30 | 30.84 | 23.97 | 12.94 | 29.79 | ||||||||||||
1967 | 11.18 | 11.13 | b | 23.25 | a | 26.00 | 31.74 | 40.68 | 50.92 | 48.50 | 41.42 | 32.39 | 20.98 | 9.11 | 28.94 | |||||||||||
1968 | 13.97 | 15.78 | 18.94 | 20.63 | 31.94 | 44.87 | 50.03 | 44.53 | 39.30 | 32.27 | 15.65 | 10.95 | a | 28.24 | ||||||||||||
1969 | 14.89 | 13.34 | 13.19 | 28.70 | 39.29 | 39.88 | 52.87 | 52.52 | 43.37 | 24.35 | 18.48 | 15.19 | 29.67 | |||||||||||||
1970 | 9.45 | 16.02 | 13.65 | 19.43 | 35.95 | a | 42.93 | 50.81 | 52.12 | b | 39.57 | 26.43 | a | 20.35 | 13.21 | 28.33 | ||||||||||
1971 | 11.47 | 10.32 | 15.87 | 26.70 | 33.50 | 44.38 | 49.84 | 50.65 | 38.13 | 29.56 | 19.48 | 10.55 | 28.37 | |||||||||||||
1972 | 9.65 | 14.16 | 22.69 | 27.50 | 34.11 | 45.60 | 51.19 | 49.06 | 41.43 | 31.85 | 14.57 | 10.63 | 29.37 | |||||||||||||
1973 | 10.81 | 13.70 | 15.48 | 19.15 | 32.29 | 41.38 | 49.00 | 49.56 | 40.42 | 33.05 | 21.28 | ----- | z | 29.65 | a | |||||||||||
1974 | 9.37 | 10.45 | 20.58 | 22.63 | 36.98 | 45.68 | 51.87 | 49.98 | a | 39.97 | 33.82 | 17.95 | 9.94 | 29.10 | ||||||||||||
1975 | 10.60 | 9.84 | 16.92 | 22.78 | 31.29 | 39.22 | 48.76 | 49.26 | 42.68 | 32.92 | 18.60 | 15.00 | 28.16 | |||||||||||||
1976 | 10.19 | 17.97 | 16.37 | 27.62 | 35.27 | 42.38 | 51.40 | 47.63 | 40.75 | 29.87 | 19.65 | 14.26 | 29.45 | |||||||||||||
1977 | 10.13 | 15.02 | 14.60 | 28.10 | 35.11 | 48.47 | a | 50.66 | 48.55 | 43.98 | 32.66 | 20.82 | 13.48 | 30.13 | ||||||||||||
1978 | 12.27 | 13.64 | 22.77 | 28.00 | 32.00 | 43.92 | 51.15 | a | 47.60 | 43.09 | a | 33.53 | 23.08 | 7.87 | 29.91 | |||||||||||
1979 | 4.66 | 13.52 | 18.65 | 25.17 | 33.21 | 42.43 | 50.79 | 48.66 | 46.03 | 35.11 | 13.23 | 16.06 | 28.96 | |||||||||||||
1980 | 12.85 | 17.60 | 16.60 | 22.92 | 31.84 | 44.38 | 49.06 | 49.16 | 44.22 | 31.26 | 22.57 | 22.95 | 30.45 | |||||||||||||
1981 | 19.06 | 14.73 | 18.71 | 31.15 | 34.02 | 47.72 | 51.21 | 48.50 | 44.47 | 31.48 | 25.50 | 13.55 | a | 31.67 | ||||||||||||
1982 | 10.79 | 14.05 | 19.28 | a | 23.12 | 33.94 | 40.83 | 49.32 | 50.40 | 41.67 | 26.45 | 18.43 | 13.26 | 28.46 | ||||||||||||
1983 | 15.97 | 15.71 | 19.11 | 19.52 | 30.03 | 41.62 | 49.58 | 52.65 | a | 44.65 | 33.89 | 20.24 | a | 10.57 | b | 29.46 | ||||||||||
1984 | 10.18 | 13.81 | 16.28 | a | 21.76 | a | 36.60 | 42.83 | 51.47 | 48.77 | a | 39.60 | 24.56 | 19.82 | 14.77 | 28.37 | ||||||||||
1985 | 9.52 | 8.76 | a | 18.74 | 28.63 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 16.41 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 11.32 | 13.14 | 17.48 | 24.91 | 34.06 | 43.09 | 50.54 | 49.00 | 42.02 | 31.66 | 20.14 | 13.20 | 29.18 | |||||||||||||
S.D. | 3.02 | 3.14 | 3.30 | 3.40 | 2.38 | 2.50 | 2.05 | 2.13 | 2.44 | 3.70 | 3.09 | 3.33 | 0.92 | |||||||||||||
SKEW | 0.52 | -0.62 | -0.03 | -0.21 | 0.40 | 0.46 | -1.30 | -0.33 | -0.08 | -0.35 | -0.44 | 1.07 | 0.98 | |||||||||||||
MAX | 19.06 | 17.97 | 23.25 | 31.15 | 39.29 | 48.47 | 53.79 | 52.65 | 46.17 | 39.68 | 25.50 | 22.95 | 31.67 | |||||||||||||
MIN | 4.66 | 5.72 | 11.26 | 19.15 | 30.03 | 39.22 | 43.97 | 44.52 | 37.47 | 24.35 | 13.23 | 7.87 | 28.16 | |||||||||||||
YRS | 23 | 23 | 23 | 23 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 20 |