| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.61 | 81.17 | a | 69.83 | a | 53.07 | a | 47.38 | b | 67.41 | ||
| 1963 | 38.23 | 51.50 | 49.32 | 52.23 | 67.84 | 68.77 | 86.10 | 88.03 | 80.76 | a | 68.10 | 49.77 | 43.97 | b | 62.05 | |||||||||||
| 1964 | 37.74 | 38.21 | 43.26 | 55.80 | 65.87 | 71.27 | 89.13 | 85.29 | 74.90 | 71.19 | 46.47 | 39.29 | 59.87 | |||||||||||||
| 1965 | 40.77 | 44.50 | d | 49.50 | a | 57.30 | 63.03 | 72.47 | 84.68 | 81.16 | 70.03 | 72.10 | 53.20 | 40.08 | e | 60.73 | ||||||||||
| 1966 | 34.12 | o | 37.90 | h | 53.20 | p | 63.22 | c | ----- | z | 84.12 | v | 89.71 | 88.10 | 78.44 | c | 64.32 | 51.73 | 45.27 | e | 68.69 | |||||
| 1967 | 43.90 | k | 46.43 | 50.06 | 47.97 | 69.81 | d | 72.03 | 90.77 | 92.00 | 81.03 | ----- | z | 55.23 | 36.68 | c | 64.20 | |||||||||
| 1968 | 43.03 | 50.86 | 54.74 | 56.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.58 | 48.64 | ||||||
| 1969 | ----- | z | ----- | z | 47.23 | 63.30 | 75.84 | 73.25 | b | ----- | z | 91.90 | ----- | z | ----- | z | ----- | z | ----- | z | 70.30 | |||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 39.94 | 46.30 | 49.02 | 56.55 | 68.48 | 71.56 | 88.08 | 87.44 | 77.72 | 69.11 | 51.58 | 41.61 | 60.88 | |||||||||||||
| S.D. | 2.45 | 5.40 | 3.76 | 5.54 | 4.82 | 1.72 | 2.57 | 3.85 | 4.47 | 3.07 | 3.09 | 3.95 | 1.10 | |||||||||||||
| SKEW | 0.38 | -0.53 | -0.03 | -0.11 | 0.55 | -0.90 | -0.35 | -0.26 | -0.92 | -0.73 | -0.62 | 0.27 | 0.17 | |||||||||||||
| MAX | 43.03 | 51.50 | 54.74 | 63.30 | 75.84 | 73.25 | 90.77 | 92.00 | 81.17 | 72.10 | 55.23 | 47.38 | 62.05 | |||||||||||||
| MIN | 37.74 | 38.21 | 43.26 | 47.97 | 63.03 | 68.77 | 84.68 | 81.16 | 70.03 | 64.32 | 46.47 | 36.68 | 59.87 | |||||||||||||
| NO YRS | 4 | 5 | 6 | 7 | 5 | 5 | 5 | 7 | 6 | 5 | 6 | 7 | 3 | |||||||||||||