YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.97 | 40.13 | 41.55 | j | ||
1960 | 36.68 | 40.41 | 45.58 | 47.50 | 53.48 | 58.10 | 61.87 | 61.48 | 61.40 | 50.58 | 43.50 | 34.42 | 49.58 | |||||||||||||
1961 | 37.61 | 41.14 | 44.81 | 47.03 | 52.97 | 56.63 | 62.35 | 63.77 | 56.77 | 51.45 | 44.63 | 40.94 | 50.01 | |||||||||||||
1962 | 37.39 | 43.36 | 40.45 | 48.77 | 51.39 | 55.97 | 59.87 | 60.61 | 58.13 | 51.26 | 43.97 | 39.68 | 49.24 | |||||||||||||
1963 | 37.71 | 46.61 | 42.26 | 44.41 | a | 53.84 | 55.70 | 57.68 | 61.81 | 61.13 | 53.87 | 43.30 | 32.52 | 49.24 | ||||||||||||
1964 | 33.35 | 33.59 | 42.10 | 46.70 | 50.48 | 55.00 | 58.90 | 61.16 | 56.07 | 54.23 | 40.33 | 40.42 | 47.69 | |||||||||||||
1965 | 37.52 | 36.61 | 42.90 | 46.70 | 51.97 | 55.87 | 57.35 | 62.97 | 56.43 | 50.45 | 49.27 | 40.23 | 49.02 | |||||||||||||
1966 | 36.19 | 36.96 | 44.35 | 50.37 | ----- | z | 58.47 | 60.19 | 64.77 | 59.87 | 52.10 | 47.87 | 40.55 | 50.15 | a | |||||||||||
1967 | 36.77 | 37.71 | 46.58 | 43.03 | 51.68 | 55.60 | 62.68 | 66.23 | 65.07 | 52.16 | 50.00 | 38.23 | 50.48 | |||||||||||||
1968 | 36.68 | 46.52 | 44.71 | 47.97 | 53.65 | 57.20 | 62.70 | a | 61.29 | 60.17 | 51.65 | 45.33 | 34.68 | 50.21 | ||||||||||||
1969 | 45.90 | 43.54 | 41.74 | 48.73 | 55.71 | 59.57 | 62.19 | 64.55 | 62.83 | 49.65 | 44.33 | 40.65 | 51.62 | |||||||||||||
1970 | 41.26 | 42.36 | 45.39 | 44.70 | 53.29 | 58.03 | 63.00 | 64.55 | 55.87 | 52.55 | 45.87 | 40.94 | 50.65 | |||||||||||||
1971 | 38.68 | 40.71 | 43.87 | 46.70 | 51.77 | 56.10 | 61.19 | 65.58 | 61.43 | 48.87 | 42.67 | 38.03 | 49.63 | |||||||||||||
1972 | 34.61 | 40.62 | 48.55 | 47.67 | 55.16 | 59.70 | 63.71 | 64.58 | 60.43 | 55.19 | 43.40 | 38.94 | 51.05 | |||||||||||||
1973 | 38.10 | 44.32 | 44.57 | a | 46.83 | 54.10 | 58.63 | 60.39 | 62.16 | 58.57 | 50.39 | 45.03 | 39.90 | 50.25 | ||||||||||||
1974 | 42.71 | 37.39 | 46.94 | 46.17 | 54.84 | 57.73 | 62.80 | a | 61.68 | 62.10 | 55.65 | 44.67 | 36.94 | 50.80 | ||||||||||||
1975 | 36.03 | 39.75 | 43.61 | 46.30 | 52.29 | 56.17 | 60.74 | 58.68 | 60.83 | 51.19 | 41.50 | 39.03 | 48.84 | |||||||||||||
1976 | 37.29 | 44.41 | 44.00 | 47.50 | 55.87 | 56.77 | 63.52 | 60.42 | 64.83 | 54.87 | 45.17 | 35.74 | 50.87 | |||||||||||||
1977 | 40.74 | 39.36 | 41.55 | 50.63 | 53.52 | 59.50 | 62.23 | 64.35 | 60.50 | 56.59 | b | 45.00 | 48.30 | a | 51.86 | |||||||||||
1978 | 46.19 | 45.46 | 50.42 | 50.03 | 53.84 | 59.03 | 60.03 | 60.94 | 59.62 | a | 57.10 | 45.75 | b | 36.55 | 52.08 | |||||||||||
1979 | 41.55 | 40.08 | b | 45.32 | 49.20 | 54.71 | 57.73 | 59.86 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.78 | e | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.65 | 41.05 | 44.48 | 47.35 | 53.40 | 57.38 | 61.16 | 62.71 | 60.11 | 52.62 | 44.73 | 38.84 | 50.17 | |||||||||||||
S.D. | 3.41 | 3.54 | 2.43 | 1.97 | 1.51 | 1.48 | 1.85 | 2.06 | 2.68 | 2.41 | 2.34 | 3.31 | 1.14 | |||||||||||||
SKEW | 0.89 | -0.17 | 0.61 | -0.24 | -0.13 | 0.12 | -0.55 | -0.02 | 0.06 | 0.40 | 0.56 | 0.63 | -0.20 | |||||||||||||
MAX | 46.19 | 46.61 | 50.42 | 50.63 | 55.87 | 59.70 | 63.71 | 66.23 | 65.07 | 57.10 | 50.00 | 48.30 | 52.08 | |||||||||||||
MIN | 33.35 | 33.59 | 40.45 | 43.03 | 50.48 | 55.00 | 57.35 | 58.68 | 55.87 | 48.87 | 40.33 | 32.52 | 47.69 | |||||||||||||
YRS | 20 | 20 | 20 | 20 | 19 | 20 | 20 | 19 | 19 | 19 | 20 | 20 | 18 |