| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1973 | ----- | z | ----- | z | ----- | z | 62.23 | h | 71.64 | i | 75.62 | i | 81.52 | j | 79.04 | g | 74.87 | g | 61.44 | d | 48.95 | i | 48.57 | h | 61.44 | |
| 1974 | 43.95 | i | 47.84 | i | 52.87 | h | 57.93 | 62.74 | 75.43 | 77.39 | 83.19 | 83.19 | c | 69.58 | 54.50 | 48.35 | 68.03 | |||||||||
| 1975 | 45.48 | 45.86 | 52.13 | 54.93 | 66.77 | 72.40 | 80.13 | 75.29 | 80.07 | 58.74 | 49.50 | 47.16 | 60.71 | |||||||||||||
| 1976 | 46.94 | 48.66 | 50.45 | 57.23 | 66.13 | 68.90 | 76.77 | 74.71 | 75.30 | 65.19 | 55.43 | 43.00 | 60.73 | |||||||||||||
| 1977 | 44.48 | 52.68 | 50.48 | 63.30 | 61.19 | 73.93 | 76.94 | 84.60 | a | 68.50 | 61.32 | 48.80 | 47.00 | c | 61.10 | |||||||||||
| 1978 | 42.73 | e | 49.61 | 57.90 | 58.93 | 63.90 | 75.70 | 81.29 | 79.87 | 68.43 | 67.48 | 48.17 | 41.68 | 61.31 | ||||||||||||
| 1979 | 38.26 | 45.32 | 58.58 | 60.07 | 68.81 | 76.67 | 81.81 | 78.42 | 76.11 | b | 66.03 | 51.97 | 49.23 | 62.60 | ||||||||||||
| 1980 | 43.48 | 48.41 | b | 52.58 | 62.55 | a | 65.32 | 66.80 | 79.65 | 78.68 | 74.87 | 66.26 | 52.73 | 47.77 | 61.59 | |||||||||||
| 1981 | 51.13 | 50.68 | 57.65 | 59.60 | 64.61 | 69.20 | 78.71 | 85.13 | 75.87 | 61.97 | 55.10 | 46.84 | 63.04 | |||||||||||||
| 1982 | 41.71 | 47.93 | 54.61 | 56.87 | 67.87 | 75.13 | 77.68 | 79.00 | 73.10 | 62.61 | 50.03 | 45.94 | 61.04 | |||||||||||||
| 1983 | 47.94 | 51.07 | 55.77 | 61.03 | 69.55 | 69.33 | 73.06 | 77.71 | 72.13 | 62.84 | 52.10 | 39.06 | 60.97 | |||||||||||||
| 1984 | 47.74 | 51.24 | 57.00 | 57.43 | 63.26 | 69.60 | 80.48 | 80.29 | 72.37 | 57.90 | 50.03 | 41.52 | 60.74 | |||||||||||||
| 1985 | 44.26 | 46.86 | 53.10 | 62.07 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.57 | |||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 44.92 | 48.94 | 54.57 | 59.33 | 65.47 | 72.10 | 78.54 | 79.72 | 74.54 | 63.45 | 51.67 | 45.23 | 61.38 | |||||||||||||
| S.D. | 3.50 | 2.36 | 3.00 | 2.57 | 2.64 | 3.44 | 2.52 | 3.43 | 4.43 | 3.52 | 2.57 | 3.34 | 0.81 | |||||||||||||
| SKEW | -0.11 | -0.06 | -0.06 | 0.01 | 0.05 | -0.07 | -0.71 | 0.24 | 0.42 | 0.10 | 0.20 | -0.60 | 1.29 | |||||||||||||
| MAX | 51.13 | 52.68 | 58.58 | 63.30 | 69.55 | 76.67 | 81.81 | 85.13 | 83.19 | 69.58 | 55.43 | 49.23 | 63.04 | |||||||||||||
| MIN | 38.26 | 45.32 | 50.45 | 54.93 | 61.19 | 66.80 | 73.06 | 74.71 | 68.43 | 57.90 | 48.17 | 39.06 | 60.71 | |||||||||||||
| NO YRS | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 10 | |||||||||||||