| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.00 | 49.00 | a | ----- | z | |
| 1972 | 44.00 | 56.00 | 70.00 | 71.00 | 86.00 | 91.00 | 97.00 | 97.00 | 89.00 | 82.00 | a | 55.00 | 57.00 | 97.00 | a | |||||||||||
| 1973 | 52.00 | 49.00 | 50.00 | a | 70.00 | a | ----- | z | 90.00 | 96.00 | a | 91.00 | 86.00 | 76.00 | 63.00 | 50.00 | ----- | z | ||||||||
| 1974 | 49.00 | 51.00 | 61.00 | a | 71.00 | 83.00 | 95.00 | 93.00 | 92.00 | 88.00 | 79.00 | 60.00 | 49.00 | 95.00 | a | |||||||||||
| 1975 | 49.00 | a | 52.00 | 56.00 | 61.00 | 80.00 | 84.00 | 96.00 | 92.00 | 88.00 | 79.00 | 69.00 | 56.00 | 96.00 | a | |||||||||||
| 1976 | 57.00 | 56.00 | 63.00 | c | 67.00 | b | 82.00 | b | 93.00 | b | 96.00 | h | 89.00 | 81.00 | h | 76.00 | b | 72.00 | a | 54.00 | e | ----- | z | |||
| 1977 | 59.00 | c | 52.00 | j | 61.00 | k | 78.00 | g | 84.00 | b | 91.00 | b | 96.00 | a | 95.00 | a | 90.00 | a | 78.00 | b | 63.00 | b | 56.00 | f | ----- | z |
| 1978 | 45.00 | l | 51.00 | b | 68.00 | e | 66.00 | c | 79.00 | a | 83.00 | a | 97.00 | c | 95.00 | f | 87.00 | d | 78.00 | e | 66.00 | i | 45.00 | i | ----- | z |
| 1979 | 43.00 | g | 48.00 | f | 58.00 | l | 69.00 | e | 80.00 | m | 92.00 | g | 94.00 | g | 96.00 | l | 91.00 | c | 81.00 | b | ----- | z | ----- | z | ----- | z |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 51.67 | 52.50 | 61.33 | 67.86 | 82.33 | 89.57 | 95.83 | 92.67 | 88.43 | 78.63 | 63.57 | 52.50 | 96.00 | |||||||||||||
| S.D. | 5.57 | 2.88 | 7.47 | 3.58 | 2.58 | 4.47 | 1.47 | 2.88 | 1.72 | 2.13 | 5.59 | 3.62 | 1.00 | |||||||||||||
| SKEW | 0.07 | 0.33 | -0.34 | -1.01 | 0.06 | -0.51 | -1.34 | 0.36 | 0.13 | 0.24 | 0.09 | 0.17 | 0.00 | |||||||||||||
| MAX | 59.00 | 56.00 | 70.00 | 71.00 | 86.00 | 95.00 | 97.00 | 97.00 | 91.00 | 82.00 | 72.00 | 57.00 | 97.00 | |||||||||||||
| MIN | 44.00 | 49.00 | 50.00 | 61.00 | 79.00 | 83.00 | 93.00 | 89.00 | 86.00 | 76.00 | 55.00 | 49.00 | 95.00 | |||||||||||||
| YRS | 6 | 6 | 6 | 7 | 6 | 7 | 6 | 6 | 7 | 8 | 7 | 6 | 3 | |||||||||||||