| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1963 | ----- | z | 39.07 | g | 37.18 | 40.65 | 52.27 | 56.52 | 61.65 | 64.42 | 61.82 | 48.95 | 37.03 | 26.69 | 48.72 | |||||||||||
| 1964 | 25.26 | 26.31 | 31.18 | 40.13 | 49.13 | a | 56.05 | 63.98 | 60.77 | 52.90 | 47.65 | 33.70 | 25.52 | 42.72 | ||||||||||||
| 1965 | 29.47 | 33.61 | 33.52 | 44.90 | 47.08 | 55.67 | 63.66 | 62.68 | 49.15 | 48.31 | 37.67 | 26.87 | 44.38 | |||||||||||||
| 1966 | 29.58 | 28.14 | 36.08 | 42.75 | 53.19 | 55.18 | 63.26 | 63.50 | 59.98 | 45.69 | 38.70 | c | 31.40 | 45.62 | ||||||||||||
| 1967 | 32.42 | 35.46 | 35.63 | 38.57 | 49.15 | 57.38 | 65.23 | 66.50 | 60.12 | 45.82 | 34.92 | 26.98 | 45.68 | |||||||||||||
| 1968 | 27.21 | 37.45 | 40.92 | 40.50 | 49.05 | 57.78 | 66.27 | 60.42 | 54.67 | 43.65 | 34.10 | 34.39 | q | 46.55 | ||||||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 28.79 | 32.19 | 35.75 | 41.25 | 49.98 | 56.43 | 64.01 | 63.05 | 56.44 | 46.68 | 36.02 | 27.49 | 44.60 | |||||||||||||
| S.D. | 2.70 | 4.78 | 3.31 | 2.23 | 2.29 | 1.00 | 1.61 | 2.29 | 4.98 | 1.98 | 2.06 | 2.26 | 1.39 | |||||||||||||
| SKEW | 0.01 | -0.22 | 0.21 | 0.60 | 0.35 | 0.16 | -0.02 | 0.25 | -0.33 | -0.35 | 0.10 | 1.23 | -0.61 | |||||||||||||
| MAX | 32.42 | 37.45 | 40.92 | 44.90 | 53.19 | 57.78 | 66.27 | 66.50 | 61.82 | 48.95 | 38.70 | 31.40 | 45.68 | |||||||||||||
| MIN | 25.26 | 26.31 | 31.18 | 38.57 | 47.08 | 55.18 | 61.65 | 60.42 | 49.15 | 43.65 | 33.70 | 25.52 | 42.72 | |||||||||||||
| NO YRS | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 4 | |||||||||||||