| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1972 | ----- | z | ----- | z | ----- | z | ----- | z | 70.00 | 76.83 | 84.58 | 87.90 | 70.67 | 63.87 | 47.73 | 34.03 | 66.95 | |||||||||
| 1973 | 36.10 | 44.29 | 52.77 | 61.53 | 71.10 | 75.63 | 87.35 | 84.42 | 75.00 | 60.81 | 42.33 | 42.61 | 61.16 | |||||||||||||
| 1974 | 33.13 | 46.11 | 50.58 | 56.03 | 63.53 | a | 80.43 | 81.77 | 85.45 | 80.73 | 67.23 | 49.63 | 43.26 | 61.49 | ||||||||||||
| 1975 | 38.84 | 39.93 | 47.61 | 54.20 | 66.97 | 73.13 | 86.03 | 79.00 | 79.37 | 58.48 | 46.37 | 42.45 | 59.37 | |||||||||||||
| 1976 | 42.71 | 42.83 | 48.29 | 55.83 | 68.42 | 73.17 | 81.97 | 78.48 | 79.83 | 66.45 | 50.40 | 43.61 | 61.00 | |||||||||||||
| 1977 | 33.65 | 46.29 | 50.58 | 67.87 | 64.10 | 81.37 | 83.45 | 89.84 | 70.07 | 63.03 | 44.67 | 39.90 | 61.23 | |||||||||||||
| 1978 | 36.65 | 42.96 | 55.58 | 57.67 | 65.16 | 78.27 | 83.87 | 81.77 | 70.37 | 67.03 | 43.67 | 38.55 | 60.13 | |||||||||||||
| 1979 | 23.48 | 41.29 | 54.97 | 58.47 | 72.23 | 79.80 | 86.03 | 83.68 | 79.73 | 66.65 | 41.50 | 42.42 | 60.85 | |||||||||||||
| 1980 | 32.13 | 38.03 | 50.03 | 60.83 | 66.90 | 70.73 | 83.74 | 81.35 | 75.83 | 65.10 | 47.60 | 44.29 | 59.72 | |||||||||||||
| 1981 | 38.77 | 43.89 | 55.03 | 59.57 | 67.68 | 70.43 | 81.74 | 89.71 | 75.15 | d | 61.06 | 51.00 | 40.48 | 61.21 | ||||||||||||
| 1982 | 38.10 | 43.04 | 51.90 | 56.60 | 67.52 | 79.03 | 82.55 | 84.13 | 73.27 | 58.81 | 43.80 | 38.42 | 59.76 | |||||||||||||
| 1983 | 43.84 | 45.50 | 53.42 | 59.23 | 71.42 | 73.37 | 78.19 | 84.48 | 71.07 | 63.87 | 49.03 | 28.29 | 60.14 | |||||||||||||
| 1984 | 39.61 | 44.66 | 53.45 | 55.13 | 62.10 | 70.80 | 86.19 | 84.94 | 71.37 | 57.97 | 44.23 | 35.68 | 58.84 | |||||||||||||
| 1985 | 29.03 | 40.07 | 51.45 | 62.33 | 70.68 | 76.83 | 91.94 | 82.23 | 68.77 | 59.29 | 34.40 | 24.84 | 57.65 | |||||||||||||
| 1986 | 38.23 | 42.43 | 56.03 | 57.50 | 67.84 | 81.30 | 78.23 | 90.48 | 69.70 | 66.32 | 47.60 | 34.39 | 60.84 | |||||||||||||
| 1987 | 36.26 | 45.61 | 52.16 | 64.53 | 71.97 | 80.47 | 81.16 | 84.61 | 81.53 | 70.26 | 50.87 | 36.23 | 62.97 | |||||||||||||
| 1988 | 34.71 | 47.03 | 52.77 | 60.20 | 65.68 | 72.70 | 84.23 | 83.58 | 76.33 | 72.32 | 48.13 | 39.03 | 61.39 | |||||||||||||
| 1989 | 43.10 | 33.18 | 48.00 | 62.30 | 67.32 | 77.90 | 80.19 | 80.32 | 78.57 | 62.61 | 51.17 | 40.19 | 60.40 | |||||||||||||
| 1990 | 41.61 | 43.07 | 54.81 | 64.13 | 64.87 | 73.67 | 88.71 | 84.77 | 82.67 | 60.19 | 51.57 | 33.97 | 62.00 | |||||||||||||
| 1991 | 39.06 | 51.43 | 49.61 | 58.67 | 63.77 | 71.10 | 85.97 | 88.61 | 81.57 | 66.19 | 46.93 | 39.74 | 61.89 | |||||||||||||
| 1992 | 42.26 | 47.69 | 57.90 | 61.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.45 | 44.53 | 35.19 | 50.43 | ||||||||
| 1993 | 29.65 | 35.93 | 49.19 | 56.63 | 73.32 | 73.53 | 74.03 | 80.87 | 79.07 | 66.45 | 44.27 | 36.97 | 58.33 | |||||||||||||
| 1994 | 46.55 | 40.18 | 55.68 | 62.60 | 70.65 | 74.97 | 89.42 | 83.81 | 80.40 | 60.90 | 43.40 | 39.61 | 62.35 | |||||||||||||
| 1995 | 36.97 | 50.29 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.63 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 37.15 | 43.29 | 52.36 | 59.68 | 67.87 | 75.70 | 83.70 | 84.29 | 75.96 | 63.89 | 46.30 | 38.01 | 60.61 | |||||||||||||
| S.D. | 5.37 | 4.26 | 2.90 | 3.44 | 3.20 | 3.68 | 4.06 | 3.39 | 4.61 | 3.81 | 4.02 | 4.82 | 1.33 | |||||||||||||
| SKEW | -0.60 | -0.36 | 0.02 | 0.46 | -0.02 | 0.13 | -0.25 | 0.25 | -0.16 | 0.24 | -0.96 | -1.05 | -0.46 | |||||||||||||
| MAX | 46.55 | 51.43 | 57.90 | 67.87 | 73.32 | 81.37 | 91.94 | 90.48 | 82.67 | 72.32 | 51.57 | 44.29 | 62.97 | |||||||||||||
| MIN | 23.48 | 33.18 | 47.61 | 54.20 | 62.10 | 70.43 | 74.03 | 78.48 | 68.77 | 57.97 | 34.40 | 24.84 | 57.65 | |||||||||||||
| NO YRS | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 21 | |||||||||||||