YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | 20.52 | 26.54 | b | 26.87 | 38.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.01 | 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 | 57.50 | 51.77 | 35.63 | 22.29 | 41.80 | h | ||||
1964 | 19.13 | 16.55 | 22.97 | 34.77 | 47.16 | 52.90 | 66.65 | 58.45 | 55.10 | 47.65 | 30.67 | 21.65 | 39.47 | |||||||||||||
1965 | 24.52 | 23.96 | 21.84 | 38.00 | 44.29 | 51.07 | 52.16 | 55.10 | 47.70 | 47.19 | 33.00 | 28.65 | 38.96 | |||||||||||||
1966 | 19.58 | 18.57 | 33.03 | a | 37.07 | 49.03 | 55.70 | 65.55 | 61.55 | 54.83 | 42.35 | 34.10 | 23.94 | 41.28 | ||||||||||||
1967 | 20.48 | 22.35 | b | 35.30 | a | 37.60 | 41.97 | 51.20 | 62.97 | 60.45 | 52.90 | 43.45 | 31.83 | 19.45 | 40.00 | |||||||||||
1968 | 25.19 | 25.59 | 31.81 | 32.20 | 43.35 | 57.10 | 61.81 | 54.16 | 51.33 | 43.29 | 26.27 | 21.57 | a | 39.47 | ||||||||||||
1969 | 25.10 | 24.86 | 25.39 | 40.17 | 50.52 | 49.90 | 64.74 | 64.77 | 54.87 | 34.68 | 29.60 | 25.10 | 40.81 | |||||||||||||
1970 | 18.06 | 27.68 | 25.23 | 30.67 | 47.47 | a | 54.27 | 62.13 | 63.03 | a | 50.43 | 36.90 | 29.40 | 23.45 | 39.06 | |||||||||||
1971 | 19.84 | 21.25 | 27.10 | 37.47 | 44.23 | 55.20 | 61.10 | 62.23 | 49.83 | 40.26 | 30.17 | 20.77 | 39.12 | |||||||||||||
1972 | 19.48 | 24.28 | 33.68 | 37.77 | 45.77 | 56.57 | 62.52 | 59.81 | 50.67 | 41.03 | 24.27 | 20.42 | 39.69 | |||||||||||||
1973 | 21.52 | 26.29 | 27.81 | 30.93 | 43.10 | 52.37 | 59.58 | 60.19 | 50.63 | 43.42 | 30.67 | ----- | z | 40.59 | a | |||||||||||
1974 | 18.97 | 22.18 | 31.10 | 34.17 | 47.90 | 57.07 | 62.84 | 60.83 | a | 50.67 | 42.94 | 27.63 | 20.03 | 39.69 | ||||||||||||
1975 | 20.48 | 20.25 | 27.39 | 33.20 | 41.87 | 49.50 | 60.55 | 60.74 | 53.63 | 44.94 | 29.73 | 25.03 | 38.94 | |||||||||||||
1976 | 20.68 | 29.28 | 28.23 | 39.63 | 46.23 | 53.53 | 62.94 | 58.35 | 50.90 | 40.90 | 30.83 | 25.26 | 40.56 | |||||||||||||
1977 | 19.55 | 25.61 | 25.87 | 39.37 | 46.29 | 60.62 | a | 61.61 | 58.81 | 54.97 | 43.74 | 29.90 | 22.03 | 40.70 | ||||||||||||
1978 | 20.68 | 23.89 | 33.35 | 39.03 | 42.39 | 53.57 | 63.47 | a | 59.42 | 54.72 | a | 44.68 | 34.10 | 18.58 | 40.66 | |||||||||||
1979 | 14.94 | 25.21 | 30.77 | 37.80 | 45.00 | 53.97 | 63.03 | 59.58 | 58.17 | 46.13 | 23.43 | 26.55 | 40.38 | |||||||||||||
1980 | 22.10 | 28.31 | 27.32 | 34.20 | 42.23 | 56.43 | 61.55 | 60.32 | 55.50 | 42.68 | 32.67 | 33.03 | 41.36 | |||||||||||||
1981 | 30.61 | 25.61 | 30.32 | 42.77 | 44.35 | 59.37 | 61.68 | 59.42 | 54.90 | 41.03 | 36.20 | 22.37 | a | 42.39 | ||||||||||||
1982 | 20.68 | 25.93 | 30.20 | a | 35.33 | 44.61 | 51.63 | 60.19 | 60.55 | 50.80 | 36.81 | 29.00 | 23.00 | 39.06 | ||||||||||||
1983 | 26.19 | 26.64 | 29.19 | 30.67 | 40.48 | 52.23 | 60.65 | 62.93 | a | 55.30 | 43.39 | 29.07 | a | 18.87 | 39.63 | |||||||||||
1984 | 20.61 | 26.03 | 26.20 | a | 32.23 | 47.45 | 53.67 | 62.68 | 58.68 | 50.27 | 34.10 | 30.87 | 24.87 | 38.97 | ||||||||||||
1985 | 19.45 | 20.22 | a | 30.65 | 39.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.38 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.23 | 24.22 | 28.77 | 36.19 | 45.03 | 54.18 | 61.92 | 59.97 | 52.98 | 42.42 | 30.41 | 23.19 | 40.01 | |||||||||||||
S.D. | 3.24 | 3.18 | 3.47 | 3.40 | 2.62 | 2.95 | 2.82 | 2.42 | 2.77 | 4.20 | 3.24 | 3.45 | 0.97 | |||||||||||||
SKEW | 1.06 | -0.73 | -0.04 | -0.18 | 0.25 | 0.42 | -1.75 | -0.51 | 0.06 | -0.17 | -0.29 | 1.09 | 0.76 | |||||||||||||
MAX | 30.61 | 29.28 | 35.30 | 42.77 | 50.52 | 60.62 | 66.65 | 64.77 | 58.17 | 51.77 | 36.20 | 33.03 | 42.39 | |||||||||||||
MIN | 14.94 | 16.55 | 21.84 | 30.67 | 40.48 | 49.50 | 52.16 | 54.16 | 47.70 | 34.10 | 23.43 | 18.58 | 38.94 | |||||||||||||
YRS | 23 | 23 | 23 | 23 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 20 |