| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.20 | 83.94 | 80.84 | 77.90 | 62.00 | 60.27 | 39.94 | 68.73 | ||||||||
| 1950 | 32.00 | 45.70 | a | 49.26 | 59.50 | 68.65 | e | 72.89 | c | 85.26 | 86.03 | a | 75.43 | 62.52 | 53.13 | 45.77 | 61.35 | |||||||||
| 1951 | 39.32 | 45.07 | 50.71 | 65.77 | 66.84 | 78.03 | 85.16 | ----- | z | 80.20 | 59.87 | 49.73 | 32.74 | 59.40 | ||||||||||||
| 1952 | 33.26 | 41.59 | 44.45 | 63.73 | 67.84 | 70.03 | 84.19 | 80.06 | 77.97 | a | 73.87 | 52.77 | 40.32 | 60.84 | ||||||||||||
| 1953 | 46.23 | a | 50.75 | 52.16 | 57.83 | 59.13 | 65.87 | 82.71 | 76.83 | g | 80.67 | 65.19 | 52.50 | 44.65 | 59.79 | |||||||||||
| 1954 | 39.28 | f | 51.07 | 48.19 | 61.37 | 71.06 | 67.53 | 81.93 | d | 73.68 | 70.03 | 64.19 | 54.68 | b | 41.06 | 62.25 | ||||||||||
| 1955 | 34.73 | e | 41.36 | 50.42 | 50.47 | 65.35 | 71.54 | d | 77.23 | e | 83.73 | e | 75.37 | 66.68 | 45.17 | 40.06 | 58.51 | |||||||||
| 1956 | 39.52 | 37.00 | d | 49.31 | b | 61.30 | 69.42 | 72.07 | 82.68 | 78.71 | 74.50 | 58.23 | 51.83 | 44.45 | 59.92 | |||||||||||
| 1957 | 34.58 | 45.46 | 49.55 | 57.30 | 65.16 | 75.80 | 79.19 | 78.45 | 78.27 | 55.45 | 46.17 | 44.42 | 59.15 | |||||||||||||
| 1958 | 39.94 | 48.27 | m | 45.97 | 55.83 | 73.19 | 72.07 | 82.65 | 83.90 | 73.57 | 68.74 | 50.87 | 49.16 | 63.26 | ||||||||||||
| 1959 | 45.19 | 44.71 | 54.65 | 63.37 | 61.84 | 75.27 | 86.74 | 80.65 | 68.70 | 65.06 | 57.13 | 41.71 | 62.08 | |||||||||||||
| 1960 | 36.90 | 42.93 | 55.00 | 56.80 | 62.13 | 78.00 | 85.55 | 79.81 | 78.47 | 64.32 | 46.37 | 42.00 | 60.69 | |||||||||||||
| 1961 | 47.29 | 46.43 | 48.13 | 59.33 | 62.52 | 80.10 | 84.42 | 83.62 | b | 69.83 | a | 67.79 | l | 47.90 | 37.94 | 60.68 | ||||||||||
| 1962 | 33.32 | 38.93 | 46.52 | 63.60 | 61.06 | 74.87 | 81.26 | 79.23 | 78.63 | 62.29 | 51.75 | b | 44.61 | 59.67 | ||||||||||||
| 1963 | 44.04 | e | 52.29 | 50.19 | 50.31 | a | 66.16 | 69.86 | b | 77.65 | e | 79.67 | a | 78.63 | 62.74 | 48.92 | d | 45.61 | 60.51 | |||||||
| 1964 | 36.39 | 39.46 | c | 46.58 | 57.73 | 64.20 | a | 69.48 | a | 80.84 | 80.35 | 73.57 | 68.45 | 46.60 | 39.74 | 58.62 | ||||||||||
| 1965 | 37.58 | 48.46 | 55.52 | 58.13 | 64.27 | a | 71.67 | 82.13 | 76.97 | 71.83 | 70.13 | a | 48.37 | 38.19 | 60.27 | |||||||||||
| 1966 | 39.43 | c | 43.00 | b | 54.59 | d | 63.60 | 72.19 | 70.67 | c | ----- | z | ----- | z | ----- | z | 63.75 | s | 46.86 | a | 40.72 | b | 53.88 | |||
| 1967 | 41.50 | a | 50.32 | f | 47.17 | m | 46.52 | a | 64.05 | l | 76.92 | f | 87.52 | j | ----- | z | ----- | z | 66.89 | v | 53.48 | e | 32.79 | c | 43.57 | |
| 1968 | 38.40 | a | 49.73 | n | 57.67 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.40 | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 38.87 | 44.64 | 50.07 | 58.47 | 65.94 | 72.89 | 82.56 | 80.38 | 75.50 | 64.36 | 50.76 | 41.36 | 60.15 | |||||||||||||
| S.D. | 4.59 | 4.48 | 3.38 | 5.21 | 4.05 | 3.84 | 2.71 | 3.07 | 3.77 | 4.61 | 4.02 | 4.19 | 1.11 | |||||||||||||
| SKEW | 0.35 | 0.12 | 0.22 | -0.78 | 0.21 | 0.14 | -0.54 | -0.15 | -0.42 | 0.11 | 0.61 | -0.46 | -0.03 | |||||||||||||
| MAX | 47.29 | 52.29 | 55.52 | 65.77 | 73.19 | 80.10 | 86.74 | 86.03 | 80.67 | 73.87 | 60.27 | 49.16 | 62.08 | |||||||||||||
| MIN | 32.00 | 37.00 | 44.45 | 46.52 | 59.13 | 65.87 | 77.23 | 73.68 | 68.70 | 55.45 | 45.17 | 32.74 | 58.51 | |||||||||||||
| NO YRS | 18 | 16 | 17 | 18 | 17 | 18 | 17 | 15 | 17 | 16 | 19 | 19 | 11 | |||||||||||||