| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.10 | 45.10 | ||
| 1961 | 50.13 | 53.96 | 57.71 | 64.30 | 72.77 | a | 90.13 | 98.65 | 102.00 | 77.97 | 65.74 | 47.45 | a | 43.97 | 68.73 | |||||||||||
| 1962 | 42.06 | 49.11 | 55.00 | 72.70 | 69.39 | 82.77 | 92.55 | 91.71 | 86.77 | 65.84 | 53.13 | 49.72 | b | 67.56 | ||||||||||||
| 1963 | 33.58 | 57.96 | 56.72 | f | 62.57 | 76.23 | 77.97 | 90.55 | 94.45 | 91.89 | b | 76.85 | k | 54.77 | d | 44.81 | 68.48 | |||||||||
| 1964 | 45.16 | 49.86 | 53.06 | 64.40 | 73.29 | 78.67 | 94.13 | 88.00 | 78.87 | 71.95 | k | 50.59 | a | 42.26 | 65.30 | |||||||||||
| 1965 | 43.32 | 50.18 | 53.61 | c | 66.97 | 71.27 | a | 82.23 | 94.32 | 89.35 | 73.93 | 81.40 | p | 58.13 | 47.97 | 66.48 | ||||||||||
| 1966 | 47.81 | 50.39 | 59.35 | 69.71 | b | 83.10 | 80.77 | 95.03 | 95.74 | 87.43 | 66.84 | 52.70 | 45.19 | 69.51 | ||||||||||||
| 1967 | 47.39 | 51.54 | 52.90 | 59.00 | 73.68 | 81.07 | 97.65 | 101.58 | 92.97 | 65.97 | 50.77 | 39.06 | 67.80 | |||||||||||||
| 1968 | 44.10 | 54.17 | 60.20 | u | 66.90 | t | 73.39 | 81.70 | 97.13 | 87.77 | 81.43 | i | 66.37 | d | 50.70 | 44.79 | c | 66.68 | ||||||||
| 1969 | 40.90 | 47.39 | 56.00 | 63.80 | 73.55 | 84.23 | 92.97 | 97.23 | 83.47 | 65.39 | 56.27 | 45.26 | 67.20 | |||||||||||||
| 1970 | 46.19 | 53.61 | 52.94 | 57.20 | 74.03 | 86.57 | 95.23 | 99.00 | 74.77 | 62.84 | 53.40 | 44.48 | 66.69 | |||||||||||||
| 1971 | 45.16 | 50.39 | 52.26 | 62.83 | 73.39 | 77.43 | 93.00 | 100.65 | 78.17 | 72.85 | k | ----- | z | ----- | z | 70.36 | ||||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 44.16 | 51.69 | 54.76 | 64.35 | 74.01 | 82.14 | 94.65 | 95.23 | 82.62 | 65.57 | 52.79 | 44.78 | 67.91 | |||||||||||||
| S.D. | 4.39 | 2.98 | 2.47 | 4.61 | 3.46 | 3.78 | 2.42 | 5.38 | 6.89 | 1.29 | 3.11 | 2.74 | 1.03 | |||||||||||||
| SKEW | -1.14 | 0.68 | 0.79 | 0.27 | 1.62 | 0.74 | 0.12 | -0.17 | 0.25 | -1.50 | 0.09 | -0.26 | 0.52 | |||||||||||||
| MAX | 50.13 | 57.96 | 59.35 | 72.70 | 83.10 | 90.13 | 98.65 | 102.00 | 92.97 | 66.84 | 58.13 | 49.72 | 69.51 | |||||||||||||
| MIN | 33.58 | 47.39 | 52.26 | 57.20 | 69.39 | 77.43 | 90.55 | 87.77 | 73.93 | 62.84 | 47.45 | 39.06 | 66.69 | |||||||||||||
| NO YRS | 11 | 11 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 7 | 10 | 11 | 6 | |||||||||||||