| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.61 | i | 9999.00 | |
| 1959 | 38.78 | d | 40.25 | 46.94 | 54.05 | 58.34 | 67.33 | 76.06 | 73.00 | 63.90 | 55.25 | e | 41.04 | b | 36.85 | 54.32 | ||||||||||
| 1960 | 27.21 | 40.38 | 44.40 | 53.73 | 57.68 | 69.10 | 79.26 | 71.82 | 67.11 | b | 57.55 | 45.04 | d | 33.03 | 53.86 | |||||||||||
| 1961 | 36.48 | b | 45.29 | 47.55 | 51.72 | 58.90 | 73.67 | c | 77.34 | 80.52 | 63.87 | 53.81 | 38.85 | 37.29 | 55.44 | |||||||||||
| 1962 | 34.78 | a | 39.29 | b | 43.29 | 55.65 | 55.37 | 67.03 | 74.32 | 71.89 | 67.43 | b | 55.16 | 46.62 | 39.97 | 54.23 | ||||||||||
| 1963 | 30.97 | 41.21 | 46.74 | 50.03 | 60.61 | 67.02 | 70.85 | 74.68 | 70.93 | 58.10 | 46.78 | 34.82 | a | 54.40 | ||||||||||||
| 1964 | 40.65 | 43.93 | 46.06 | 52.00 | 58.32 | 65.60 | 73.24 | 70.79 | 65.05 | 56.00 | 42.48 | 33.52 | 53.97 | |||||||||||||
| 1965 | 37.69 | 44.21 | 46.19 | 56.13 | 60.25 | a | 67.33 | 75.63 | a | 75.26 | 65.13 | 59.85 | 48.00 | 38.08 | 56.15 | |||||||||||
| 1966 | 38.27 | 42.30 | 46.94 | 55.88 | 62.24 | 65.93 | 73.08 | 74.18 | 69.65 | 56.90 | 47.65 | 41.89 | 56.24 | |||||||||||||
| 1967 | 44.47 | 45.82 | 46.97 | 50.65 | 62.45 | 70.97 | 77.24 | 81.26 | 73.67 | 57.15 | 45.98 | 39.69 | 58.03 | |||||||||||||
| 1968 | 38.47 | 43.50 | 50.39 | 52.42 | ----- | z | 68.10 | a | 76.97 | 71.94 | 68.05 | 54.31 | 46.23 | 36.95 | 55.21 | |||||||||||
| 1969 | 25.81 | 36.75 | 46.77 | 53.00 | a | 64.08 | 71.95 | a | 73.15 | e | 72.88 | a | 68.57 | 54.37 | 47.62 | ----- | z | 55.90 | ||||||||
| 1970 | 35.37 | 43.80 | 47.08 | ----- | z | 61.40 | 70.75 | 76.56 | 75.56 | d | 63.20 | 54.65 | ----- | z | ----- | z | 58.71 | |||||||||
| 1971 | 42.45 | 42.89 | 43.89 | 52.05 | 60.60 | b | 64.47 | 76.50 | 78.61 | 63.33 | 54.53 | 45.98 | 39.89 | 55.43 | ||||||||||||
| 1972 | 36.56 | 39.19 | 48.18 | 50.00 | 62.60 | 67.07 | 75.69 | 77.03 | ----- | z | ----- | z | ----- | z | ----- | z | 57.04 | |||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 36.28 | 42.06 | 46.53 | 52.87 | 60.22 | 68.31 | 75.42 | 74.96 | 66.91 | 55.97 | 45.19 | 37.45 | 55.21 | |||||||||||||
| S.D. | 5.30 | 2.62 | 1.80 | 2.12 | 2.42 | 2.63 | 2.23 | 3.32 | 3.23 | 1.81 | 2.89 | 2.83 | 1.32 | |||||||||||||
| SKEW | -0.62 | -0.41 | 0.01 | 0.23 | -0.33 | 0.60 | -0.39 | 0.66 | 0.61 | 0.72 | -1.13 | -0.17 | 0.92 | |||||||||||||
| MAX | 44.47 | 45.82 | 50.39 | 56.13 | 64.08 | 73.67 | 79.26 | 81.26 | 73.67 | 59.85 | 48.00 | 41.89 | 58.03 | |||||||||||||
| MIN | 25.81 | 36.75 | 43.29 | 50.00 | 55.37 | 64.47 | 70.85 | 70.79 | 63.20 | 53.81 | 38.85 | 33.03 | 53.86 | |||||||||||||
| NO YRS | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 12 | 11 | 10 | |||||||||||||