| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1959 | ----- | z | ----- | z | ----- | z | 50.59 | b | 49.84 | 65.91 | a | 73.08 | 67.59 | c | 56.73 | 52.00 | a | 41.39 | c | 28.95 | 54.01 | |||||
| 1960 | 25.31 | 30.79 | 42.50 | 47.48 | 51.97 | 65.57 | 74.70 | a | 66.69 | 62.77 | 50.76 | 36.58 | d | 31.79 | 48.91 | |||||||||||
| 1961 | 33.39 | 38.59 | 39.87 | a | 45.62 | 53.53 | 68.60 | a | 72.58 | 73.15 | a | 55.55 | 48.69 | 36.82 | 31.03 | 49.78 | ||||||||||
| 1962 | 24.06 | 32.32 | 35.58 | 50.93 | 51.23 | 62.17 | 67.33 | a | 66.06 | e | 61.70 | 51.00 | 41.02 | 33.77 | 48.10 | |||||||||||
| 1963 | 27.87 | 43.54 | 36.86 | b | 41.62 | 55.69 | 57.70 | 66.18 | 68.35 | 63.45 | 53.65 | 38.23 | 30.87 | 48.67 | ||||||||||||
| 1964 | 30.11 | 33.84 | 36.21 | 43.08 | 52.12 | a | 59.32 | 70.44 | 66.90 | 57.82 | 53.74 | b | 39.43 | c | ----- | z | 49.36 | |||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 28.15 | 35.82 | 38.20 | 46.55 | 52.40 | 63.21 | 70.72 | 68.12 | 59.67 | 51.64 | 38.91 | 31.28 | 48.86 | |||||||||||||
| S.D. | 3.75 | 5.21 | 2.91 | 3.84 | 2.02 | 4.21 | 3.38 | 2.58 | 3.38 | 1.92 | 2.06 | 1.74 | 0.70 | |||||||||||||
| SKEW | 0.32 | 0.60 | 0.63 | -0.05 | 0.50 | -0.11 | -0.29 | 1.43 | -0.05 | -0.28 | 0.06 | 0.15 | 0.35 | |||||||||||||
| MAX | 33.39 | 43.54 | 42.50 | 50.93 | 55.69 | 68.60 | 74.70 | 73.15 | 63.45 | 53.74 | 41.39 | 33.77 | 49.78 | |||||||||||||
| MIN | 24.06 | 30.79 | 35.58 | 41.62 | 49.84 | 57.70 | 66.18 | 66.06 | 55.55 | 48.69 | 36.58 | 28.95 | 48.10 | |||||||||||||
| NO YRS | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 4 | |||||||||||||