| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1950 | ----- | z | ----- | z | ----- | z | ----- | z | 58.44 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.30 | u | 58.44 | |
| 1951 | 36.61 | 41.14 | 41.08 | 54.30 | 56.89 | 63.48 | 65.90 | 65.15 | 64.17 | 53.71 | b | 44.03 | o | 36.15 | n | 54.24 | ||||||||||
| 1952 | 32.63 | 43.00 | l | 44.81 | m | 53.28 | 57.42 | 58.43 | 66.39 | 66.18 | 65.02 | 60.66 | 40.65 | 37.90 | 53.86 | |||||||||||
| 1953 | 45.63 | 41.14 | 44.10 | 47.85 | 52.18 | 55.60 | 62.69 | 62.53 | 59.30 | 54.57 | h | 45.35 | 40.48 | 50.62 | ||||||||||||
| 1954 | 34.24 | 43.86 | q | 43.95 | 47.73 | 56.02 | 56.68 | 60.34 | 61.16 | 58.98 | 51.42 | 48.43 | 38.02 | 50.63 | ||||||||||||
| 1955 | 37.50 | 38.68 | 38.65 | 44.07 | 51.68 | 59.37 | 60.61 | 63.03 | 59.07 | 51.95 | 39.07 | 36.27 | 48.33 | |||||||||||||
| 1956 | 36.21 | 32.53 | 42.47 | 52.65 | 58.56 | 57.80 | 66.82 | 63.42 | s | 58.88 | d | 49.29 | 41.88 | 39.48 | 48.78 | |||||||||||
| 1957 | 26.58 | 40.17 | a | 44.13 | 51.12 | 57.24 | 59.63 | 62.68 | 61.47 | 64.63 | 51.08 | 43.42 | 41.97 | 50.34 | ||||||||||||
| 1958 | 41.31 | 46.55 | 43.87 | 49.45 | 60.65 | 64.28 | e | 69.21 | 67.42 | 60.31 | a | 54.90 | 44.17 | 42.31 | 53.70 | |||||||||||
| 1959 | 39.08 | 39.21 | 44.26 | 50.08 | 54.40 | 60.50 | 66.26 | 62.71 | 58.34 | a | 52.69 | 43.23 | ----- | z | 51.89 | |||||||||||
| 1960 | 32.45 | 40.71 | 43.76 | 49.65 | 52.73 | 60.20 | 66.11 | 63.06 | 61.25 | 53.42 | 44.07 | 37.37 | 50.40 | |||||||||||||
| 1961 | 41.53 | 44.05 | 45.10 | 48.57 | 54.87 | 64.75 | 67.71 | 69.53 | 57.68 | 51.50 | 41.07 | 38.71 | 52.09 | |||||||||||||
| 1962 | 38.18 | 40.30 | 41.85 | a | 50.00 | t | 51.44 | 59.33 | 64.60 | 64.35 | 61.97 | 53.23 | 46.48 | 41.06 | 51.16 | |||||||||||
| 1963 | 33.42 | 45.00 | 44.89 | 47.52 | 55.56 | 58.87 | 61.60 | 64.55 | 65.93 | 54.15 | 45.60 | 37.21 | 51.19 | |||||||||||||
| 1964 | 39.55 | 41.19 | 43.24 | 46.97 | 52.68 | 58.98 | 63.50 | 62.40 | 58.05 | 54.48 | 40.50 | 36.33 | m | 51.05 | ||||||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 36.78 | 40.89 | 43.18 | 49.48 | 55.38 | 59.85 | 64.60 | 64.12 | 60.97 | 53.27 | 43.38 | 39.16 | 51.01 | |||||||||||||
| S.D. | 4.76 | 3.54 | 1.78 | 2.84 | 2.84 | 2.69 | 2.74 | 2.44 | 2.87 | 2.72 | 2.69 | 2.04 | 1.81 | |||||||||||||
| SKEW | -0.25 | -0.68 | -1.36 | 0.04 | 0.13 | 0.53 | -0.12 | 0.88 | 0.56 | 1.39 | 0.17 | 0.27 | 0.04 | |||||||||||||
| MAX | 45.63 | 46.55 | 45.10 | 54.30 | 60.65 | 64.75 | 69.21 | 69.53 | 65.93 | 60.66 | 48.43 | 42.31 | 53.70 | |||||||||||||
| MIN | 26.58 | 32.53 | 38.65 | 44.07 | 51.44 | 55.60 | 60.34 | 61.16 | 57.68 | 49.29 | 39.07 | 36.27 | 48.33 | |||||||||||||
| NO YRS | 14 | 12 | 13 | 13 | 15 | 14 | 14 | 13 | 14 | 13 | 13 | 11 | 6 | |||||||||||||