| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1949 | 27.74 | 33.18 | 37.57 | a | 50.76 | a | 54.03 | 68.33 | 75.32 | 71.74 | 70.83 | 57.16 | 53.20 | 38.26 | 53.18 | |||||||||||
| 1950 | 28.10 | 41.00 | 39.39 | 49.63 | 55.13 | 63.00 | 76.87 | 75.32 | 65.60 | 56.13 | 49.13 | 42.94 | 53.52 | |||||||||||||
| 1951 | 34.19 | 36.14 | 41.23 | 50.40 | 55.00 | a | 69.14 | a | 76.23 | 73.93 | b | 73.83 | 53.00 | 42.57 | 31.32 | 53.08 | ||||||||||
| 1952 | 27.58 | 35.34 | 33.55 | 48.47 | 55.06 | 57.72 | e | ----- | z | ----- | z | ----- | z | 67.19 | 42.03 | 33.90 | 44.54 | c | ||||||||
| 1953 | 38.97 | 40.79 | 40.68 | 45.73 | 44.39 | 55.64 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.37 | f | |||||
| 1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1959 | 38.13 | 33.29 | 46.13 | 53.67 | 50.97 | 70.03 | 78.42 | 73.74 | 63.93 | 61.10 | 54.47 | 43.29 | 55.60 | |||||||||||||
| 1960 | 30.00 | 35.21 | 42.87 | 46.00 | 51.90 | 73.30 | 78.84 | 76.61 | c | 73.20 | 57.29 | 39.40 | 38.03 | 53.55 | ||||||||||||
| 1961 | 42.68 | 38.71 | 37.61 | 47.73 | 51.13 | 71.97 | 77.55 | 72.93 | a | 65.53 | 55.68 | 42.70 | 36.71 | 53.41 | ||||||||||||
| 1962 | 38.00 | 34.50 | 35.55 | 52.20 | 48.16 | 66.97 | 73.97 | 72.74 | 70.10 | 56.10 | 45.83 | 42.10 | 53.02 | |||||||||||||
| 1963 | 39.65 | 44.57 | 38.13 | 34.90 | 53.45 | 59.33 | 70.19 | 71.87 | 67.80 | 56.13 | 39.43 | 40.68 | 51.34 | |||||||||||||
| 1964 | 33.13 | a | 39.93 | 39.61 | 45.40 | 49.55 | b | 59.53 | 73.42 | 73.58 | 65.83 | 64.23 | 36.89 | b | ----- | z | 52.83 | a | ||||||||
| 1965 | 33.77 | 40.89 | 40.81 | 41.83 | 50.55 | 61.79 | a | 72.26 | 69.03 | 61.40 | 64.65 | 42.47 | 36.55 | 51.33 | ||||||||||||
| 1966 | 35.48 | 33.71 | 42.74 | 53.28 | a | 63.03 | a | 66.20 | 72.77 | 77.55 | 68.97 | 61.77 | 44.37 | 37.89 | c | 54.81 | ||||||||||
| 1967 | 40.10 | a | 45.63 | a | 38.76 | b | 33.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.37 | h |
| 1968 | 38.62 | g | 42.52 | h | 45.58 | 49.24 | a | 55.52 | 69.20 | 76.77 | 67.29 | 67.90 | 57.68 | 43.40 | 33.52 | 56.61 | b | |||||||||
| 1969 | 35.52 | 30.96 | 41.68 | 47.43 | 58.94 | 60.24 | a | 74.45 | 76.94 | 69.93 | 51.29 | 50.00 | 40.00 | 53.11 | ||||||||||||
| 1970 | 36.39 | 44.46 | 43.19 | 44.03 | 57.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.06 | g | |||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 34.96 | 38.02 | 40.30 | 46.69 | 53.38 | 64.83 | 75.16 | 73.33 | 68.07 | 58.53 | 44.71 | 38.09 | 53.27 | |||||||||||||
| S.D. | 4.69 | 4.59 | 3.33 | 5.77 | 4.44 | 5.56 | 2.59 | 2.97 | 3.59 | 4.60 | 5.23 | 3.71 | 1.25 | |||||||||||||
| SKEW | -0.27 | 0.23 | -0.11 | -1.13 | 0.14 | -0.11 | -0.30 | -0.47 | -0.09 | 0.41 | 0.53 | -0.24 | 0.10 | |||||||||||||
| MAX | 42.68 | 45.63 | 46.13 | 53.67 | 63.03 | 73.30 | 78.84 | 77.55 | 73.83 | 67.19 | 54.47 | 43.29 | 55.60 | |||||||||||||
| MIN | 27.58 | 30.96 | 33.55 | 33.00 | 44.39 | 55.64 | 70.19 | 67.29 | 61.40 | 51.29 | 36.89 | 31.32 | 51.33 | |||||||||||||
| YRS | 16 | 16 | 17 | 17 | 16 | 15 | 13 | 13 | 13 | 14 | 14 | 13 | 11 | |||||||||||||