| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.60 | 59.04 | g | 46.29 | b | 33.48 | 51.79 | |||
| 1975 | 32.77 | a | 34.55 | h | 38.29 | 38.87 | 56.23 | 66.20 | 81.74 | 75.24 | b | 72.37 | 54.19 | 40.57 | 39.07 | a | 54.14 | |||||||||
| 1976 | 36.72 | b | 40.19 | h | 40.26 | 49.10 | 65.10 | 68.80 | 80.94 | 72.61 | 68.87 | 57.65 | 52.86 | b | 43.77 | 57.88 | ||||||||||
| 1977 | ----- | z | ----- | z | 37.90 | 57.20 | 52.39 | 76.04 | c | 80.29 | 78.60 | a | 70.70 | 62.50 | c | 45.20 | 38.84 | 59.97 | ||||||||
| 1978 | 34.84 | 37.36 | 47.58 | 49.15 | d | 56.32 | ----- | z | ----- | z | ----- | z | 63.93 | p | 63.32 | 42.74 | c | 29.62 | b | 45.12 | ||||||
| 1979 | 26.72 | f | 36.61 | e | 42.38 | g | 50.68 | b | 63.00 | c | 74.17 | f | 80.26 | d | 76.08 | f | 76.29 | f | 62.15 | d | 41.17 | a | 38.96 | d | 53.26 | |
| 1980 | ----- | z | 41.60 | i | 39.60 | k | 53.37 | c | 56.89 | c | 67.56 | c | 81.58 | s | 77.65 | n | 71.68 | h | 59.69 | o | 45.38 | v | 46.35 | e | 56.04 | |
| 1981 | 44.07 | c | 41.86 | g | 44.18 | i | 56.29 | i | 59.84 | l | 75.70 | j | 83.14 | j | 85.00 | r | 79.44 | u | ----- | z | 47.17 | g | 37.32 | l | 44.07 | |
| 1982 | 25.75 | w | 35.91 | f | ----- | z | ----- | z | ----- | z | 70.90 | a | 79.47 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.90 | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 37.10 | 36.98 | 41.01 | 49.73 | 58.32 | 69.90 | 80.81 | 75.48 | 71.88 | 59.96 | 44.80 | 38.58 | 0.00 | |||||||||||||
| S.D. | 4.92 | 0.53 | 4.50 | 6.14 | 4.76 | 3.84 | 0.70 | 3.00 | 2.86 | 3.91 | 4.53 | 5.69 | 0.00 | |||||||||||||
| SKEW | 0.79 | -0.30 | 0.99 | -0.77 | 0.37 | 0.83 | 0.00 | 0.15 | 0.37 | -0.65 | 0.92 | -0.24 | 0.00 | |||||||||||||
| MAX | 44.07 | 37.36 | 47.58 | 57.20 | 65.10 | 76.04 | 81.74 | 78.60 | 75.60 | 63.32 | 52.86 | 46.35 | -9999.00 | |||||||||||||
| MIN | 32.77 | 36.61 | 37.90 | 38.87 | 52.39 | 66.20 | 80.26 | 72.61 | 68.87 | 54.19 | 40.57 | 29.62 | 9999.00 | |||||||||||||
| NO YRS | 4 | 2 | 4 | 6 | 6 | 5 | 4 | 3 | 4 | 5 | 6 | 7 | 0 | |||||||||||||