| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.52 | b | 40.52 | |
| 1954 | ----- | z | 52.75 | 45.56 | d | 62.63 | 74.35 | 72.90 | 90.00 | a | 82.58 | 76.97 | 63.63 | a | 56.10 | 38.23 | 65.06 | |||||||||
| 1955 | 31.87 | 34.18 | 43.26 | 52.87 | 64.65 | 76.90 | 82.90 | 89.77 | 75.17 | a | 65.65 | 44.47 | 38.23 | 58.33 | ||||||||||||
| 1956 | 38.16 | 34.48 | 48.10 | 58.97 | 66.48 | 78.50 | 88.16 | 83.74 | 78.90 | 59.71 | 48.48 | a | 42.35 | 60.50 | ||||||||||||
| 1957 | 31.87 | 44.21 | 47.52 | 55.20 | 63.29 | 76.17 | 88.19 | 87.13 | 79.17 | a | 58.97 | 42.53 | 43.58 | 59.82 | ||||||||||||
| 1958 | 39.68 | 46.50 | 43.84 | 54.03 | 76.55 | 75.63 | 85.29 | 89.35 | 76.63 | 69.71 | 51.37 | 48.13 | 63.06 | |||||||||||||
| 1959 | 41.74 | 39.75 | 49.81 | 62.33 | 60.74 | 80.40 | 90.50 | a | 84.45 | 69.07 | 63.39 | 55.00 | 42.87 | 61.67 | ||||||||||||
| 1960 | 33.06 | 34.59 | 50.32 | 59.97 | 66.61 | 82.17 | 92.10 | 84.03 | 78.90 | 63.67 | a | 46.53 | 40.84 | 61.07 | ||||||||||||
| 1961 | 45.17 | a | 44.81 | a | 47.93 | a | 58.10 | a | 68.87 | a | 85.45 | a | 91.14 | b | 87.05 | l | 68.33 | 60.00 | a | 47.83 | 36.53 | a | 59.47 | |||
| 1962 | 35.27 | a | 40.14 | 43.07 | a | 61.88 | f | 62.93 | b | 75.97 | a | 85.63 | a | 86.03 | b | 80.17 | 65.75 | c | 48.88 | f | 44.79 | c | 61.97 | |||
| 1963 | 36.87 | 50.14 | 49.00 | 52.48 | a | 68.26 | 68.90 | 85.87 | a | 86.52 | 80.10 | 68.97 | a | 49.75 | b | 39.81 | 61.39 | |||||||||
| 1964 | 35.26 | 36.83 | 41.68 | 56.54 | b | 65.73 | a | 70.07 | ----- | z | 86.40 | a | 74.50 | 69.97 | b | 45.03 | 38.23 | 56.38 | ||||||||
| 1965 | 38.81 | 44.48 | a | 47.26 | 57.27 | 62.06 | 72.37 | c | 85.53 | a | 80.87 | 67.63 | ----- | z | ----- | z | 41.32 | 59.76 | ||||||||
| 1966 | 39.23 | 38.14 | ----- | z | 62.23 | ----- | z | 77.97 | 89.35 | 88.45 | 80.53 | 66.13 | 51.70 | 39.13 | 63.29 | |||||||||||
| 1967 | 41.10 | 47.25 | 49.71 | 47.17 | 67.42 | 71.33 | 90.87 | 91.48 | 81.43 | 66.68 | 49.23 | 34.06 | 61.48 | |||||||||||||
| 1968 | 39.90 | 48.31 | 54.61 | 54.83 | 67.68 | 77.17 | 89.13 | 75.90 | 73.40 | 64.42 | 44.07 | 38.10 | 60.63 | |||||||||||||
| 1969 | 41.32 | 37.82 | 45.18 | c | 61.30 | 72.63 | a | 72.63 | 86.48 | 90.03 | 79.00 | 58.26 | l | 52.83 | g | ----- | z | 65.16 | ||||||||
| 1970 | ----- | z | 51.40 | w | 51.62 | o | 57.85 | c | 67.77 | 75.27 | 87.19 | 90.58 | 70.93 | 58.90 | 47.67 | 36.26 | 65.83 | |||||||||
| 1971 | 40.58 | 43.79 | 47.06 | 56.27 | 66.39 | 73.60 | 86.13 | 90.68 | 70.77 | 57.06 | 45.60 | 32.74 | 59.22 | |||||||||||||
| 1972 | 33.58 | 44.28 | 58.00 | r | 58.75 | b | 72.07 | c | 78.92 | d | 86.39 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.33 | |||
| 1973 | ----- | z | ----- | z | 48.81 | o | 54.67 | 71.97 | 79.83 | a | 85.81 | 87.60 | a | ----- | z | ----- | z | ----- | z | ----- | z | 75.97 | ||||
| 1974 | 41.00 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 37.85 | 42.36 | 47.12 | 57.02 | 67.71 | 76.11 | 87.72 | 86.42 | 75.65 | 63.91 | 48.36 | 39.76 | 60.72 | |||||||||||||
| S.D. | 3.84 | 5.61 | 3.30 | 3.95 | 4.26 | 4.17 | 2.47 | 4.01 | 4.59 | 4.04 | 3.94 | 3.80 | 1.35 | |||||||||||||
| SKEW | -0.10 | 0.06 | 0.32 | -0.55 | 0.38 | 0.27 | 0.10 | -0.97 | -0.49 | -0.12 | 0.51 | 0.22 | -0.16 | |||||||||||||
| MAX | 45.17 | 52.75 | 54.61 | 62.63 | 76.55 | 85.45 | 92.10 | 91.48 | 81.43 | 69.97 | 56.10 | 48.13 | 63.06 | |||||||||||||
| MIN | 31.87 | 34.18 | 41.68 | 47.17 | 60.74 | 68.90 | 82.90 | 75.90 | 67.63 | 57.06 | 42.53 | 32.74 | 58.33 | |||||||||||||
| NO YRS | 17 | 18 | 16 | 19 | 19 | 20 | 19 | 18 | 18 | 16 | 15 | 18 | 10 | |||||||||||||