| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.60 | a | 65.89 | 59.12 | b | 48.80 | a | 35.80 | 25.15 | a | 50.06 | |||
| 1949 | 12.65 | a | 29.96 | 40.52 | 50.77 | 58.45 | 61.30 | 68.27 | 70.06 | 62.88 | 44.27 | 44.15 | 32.42 | 47.98 | ||||||||||||
| 1950 | 21.15 | 32.45 | 36.95 | 43.58 | 52.00 | 59.52 | 68.38 | a | ----- | z | ----- | z | 51.66 | ----- | z | 39.94 | 45.07 | |||||||||
| 1951 | 29.23 | 35.29 | 35.81 | 50.45 | 55.97 | 61.57 | 71.89 | 68.13 | 61.40 | 46.94 | 38.48 | 29.44 | 48.71 | |||||||||||||
| 1952 | 28.48 | 32.45 | 36.75 | e | 50.67 | 55.48 | 60.02 | 69.74 | 68.66 | 62.02 | 54.27 | 34.72 | 32.92 | 48.85 | ||||||||||||
| 1953 | 39.84 | 34.20 | 40.00 | 44.95 | 51.00 | 56.82 | 70.10 | 67.48 | 62.60 | 50.73 | 44.02 | 35.02 | 49.73 | |||||||||||||
| 1954 | 33.95 | 40.17 | b | 40.64 | c | 49.00 | 58.07 | b | 58.85 | c | 69.52 | 64.19 | 58.95 | 49.28 | a | 43.53 | 31.61 | 49.81 | ||||||||
| 1955 | 27.87 | 28.77 | 32.31 | 40.88 | b | 50.83 | a | 63.50 | g | 66.90 | 69.79 | 61.87 | 52.31 | 35.38 | 34.40 | 45.57 | ||||||||||
| 1956 | 33.32 | 28.62 | 40.45 | 50.30 | 57.35 | 60.00 | a | 71.87 | 68.08 | 63.12 | 49.92 | 37.97 | 34.78 | a | 49.65 | |||||||||||
| 1957 | 22.47 | 33.75 | 42.23 | 48.80 | 57.76 | 64.75 | 68.94 | 66.48 | 64.38 | a | 49.06 | 37.75 | 36.27 | 49.39 | ||||||||||||
| 1958 | 35.52 | 42.93 | 39.55 | 46.02 | a | 62.40 | 65.20 | 72.73 | 73.63 | 59.70 | 53.24 | 40.83 | 40.02 | 52.65 | ||||||||||||
| 1959 | 35.39 | 37.05 | 41.47 | 49.83 | 52.34 | 64.08 | 71.66 | 67.42 | 57.53 | 50.02 | 38.12 | 35.11 | 50.00 | |||||||||||||
| 1960 | 28.48 | 33.38 | 41.90 | 49.32 | 52.39 | 64.52 | 75.95 | a | 67.06 | 64.32 | 51.82 | 41.37 | 35.10 | 50.47 | ||||||||||||
| 1961 | 37.58 | a | 41.91 | 42.31 | 48.65 | 54.94 | 68.75 | 74.05 | 76.39 | 57.13 | 48.74 | 38.33 | 32.71 | 51.79 | ||||||||||||
| 1962 | 28.94 | 34.21 | 39.60 | ----- | z | 53.11 | 62.90 | 69.42 | 67.77 | 63.10 | 50.71 | 41.23 | 37.16 | 49.83 | ||||||||||||
| 1963 | 25.11 | 44.41 | 42.24 | 45.83 | 58.29 | 62.73 | 68.61 | 70.77 | 67.55 | 54.31 | 42.27 | 33.18 | 51.28 | |||||||||||||
| 1964 | 31.29 | 32.86 | 38.45 | 45.58 | 54.16 | 61.03 | 71.52 | 66.48 | 59.33 | 52.80 | a | 39.00 | 31.87 | 48.70 | ||||||||||||
| 1965 | 33.26 | 37.96 | 39.35 | 49.75 | b | 54.08 | 63.55 | b | 69.95 | a | 68.47 | ----- | z | ----- | z | ----- | z | ----- | z | 52.05 | ||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 29.68 | 35.32 | 39.44 | 47.77 | 55.21 | 62.22 | 70.28 | 68.63 | 61.56 | 50.52 | 39.56 | 33.95 | 49.92 | |||||||||||||
| S.D. | 6.72 | 4.78 | 2.70 | 2.94 | 3.18 | 2.94 | 2.52 | 2.92 | 2.79 | 2.62 | 3.03 | 3.59 | 1.33 | |||||||||||||
| SKEW | -0.84 | 0.48 | -1.16 | -0.92 | 0.47 | 0.28 | 0.38 | 1.23 | 0.21 | -0.57 | 0.06 | -0.43 | 0.61 | |||||||||||||
| MAX | 39.84 | 44.41 | 42.31 | 50.77 | 62.40 | 68.75 | 75.95 | 76.39 | 67.55 | 54.31 | 44.15 | 40.02 | 52.65 | |||||||||||||
| MIN | 12.65 | 28.62 | 32.31 | 40.88 | 50.83 | 56.82 | 65.60 | 64.19 | 57.13 | 44.27 | 34.72 | 25.15 | 47.98 | |||||||||||||
| NO YRS | 17 | 17 | 17 | 16 | 17 | 16 | 18 | 17 | 16 | 17 | 16 | 17 | 13 | |||||||||||||