| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.74 | 73.50 | 58.16 | 55.67 | 44.65 | 63.14 | ||||||
| 1940 | 37.77 | 41.69 | 49.65 | 54.93 | 68.06 | 77.87 | 82.03 | 83.58 | 70.23 | 59.48 | 39.20 | 41.32 | 58.82 | |||||||||||||
| 1941 | 42.68 | 45.89 | 53.71 | 57.37 | 61.71 | 66.30 | 81.19 | 76.06 | 59.63 | 54.58 | 47.13 | 37.29 | 56.96 | |||||||||||||
| 1942 | 36.60 | a | 35.81 | a | 44.52 | 58.23 | 57.68 | 63.23 | 80.71 | 82.06 | 72.10 | 61.61 | 42.10 | a | 38.26 | 56.08 | ||||||||||
| 1943 | 32.84 | 43.68 | 42.00 | 57.80 | 54.94 | 62.53 | 78.87 | 76.87 | 76.17 | 60.03 | 49.00 | 39.29 | 56.17 | |||||||||||||
| 1944 | 39.71 | 37.17 | 41.32 | 54.60 | 64.48 | 67.83 | 80.94 | 78.13 | 73.57 | 67.65 | 41.77 | 36.58 | 56.98 | |||||||||||||
| 1945 | 36.77 | 38.79 | 41.61 | 48.47 | 62.16 | 66.20 | 83.19 | 83.06 | 66.20 | 62.68 | 41.53 | 35.97 | 55.55 | |||||||||||||
| 1946 | 36.74 | 39.00 | 45.61 | 56.83 | 63.71 | 66.67 | 79.61 | 82.16 | 67.07 | 49.19 | 42.33 | 40.42 | 55.78 | |||||||||||||
| 1947 | 33.23 | 42.04 | 49.45 | 54.10 | 68.10 | 65.17 | 81.26 | 79.23 | 70.21 | a | 57.16 | 39.83 | 37.52 | 56.44 | ||||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.77 | 69.77 | 59.68 | 39.20 | 31.00 | 54.88 | ||||||
| 1949 | 23.39 | 34.64 | 45.23 | 59.90 | 66.39 | 70.27 | 79.07 | b | 81.42 | 72.47 | 51.81 | e | 53.83 | 36.34 | b | 56.23 | ||||||||||
| 1950 | 23.87 | 39.96 | 41.26 | 51.27 | 60.74 | 67.13 | 79.03 | 82.00 | 71.83 | 58.13 | 43.90 | 43.80 | a | 55.24 | ||||||||||||
| 1951 | 32.97 | 39.68 | 41.52 | 58.27 | 63.42 | 67.93 | 83.40 | a | 79.26 | 73.40 | 54.19 | 42.93 | 33.00 | 55.83 | ||||||||||||
| 1952 | 33.00 | 38.34 | 40.48 | 62.33 | 62.77 | 67.37 | 80.52 | 80.48 | 74.90 | 68.58 | 43.63 | 38.65 | 57.59 | |||||||||||||
| 1953 | 43.16 | 41.64 | 46.84 | 51.86 | a | 59.10 | 63.27 | 82.03 | 80.10 | 76.73 | 61.35 | h | 49.37 | 40.19 | 57.66 | |||||||||||
| 1954 | 37.87 | 48.14 | 43.81 | 52.40 | 66.10 | 63.83 | a | 79.26 | 73.10 | 69.20 | 56.52 | 50.93 | 37.61 | 56.56 | ||||||||||||
| 1955 | 34.10 | 35.04 | 37.32 | 44.81 | d | 56.17 | a | 69.80 | 74.58 | 82.00 | 68.97 | 57.81 | 35.30 | 35.50 | c | 52.62 | ||||||||||
| 1956 | 35.84 | 32.59 | 42.13 | 56.47 | 62.74 | 66.73 | 80.39 | 78.32 | 71.70 | 54.23 | 44.33 | 40.87 | 55.53 | |||||||||||||
| 1957 | 26.52 | 39.14 | 43.45 | i | 51.70 | 62.71 | 69.23 | 78.23 | 76.42 | 76.77 | 53.74 | 41.00 | g | 40.19 | 57.46 | |||||||||||
| 1958 | 38.94 | 45.39 | 42.83 | a | 49.00 | 70.52 | 70.70 | 80.52 | 84.32 | 69.40 | 62.81 | 43.30 | 42.23 | 58.33 | ||||||||||||
| 1959 | 38.00 | 36.61 | 43.77 | 54.47 | 57.87 | 69.80 | 82.65 | 76.61 | 64.59 | a | 56.16 | 45.63 | 41.71 | 55.66 | ||||||||||||
| 1960 | 34.48 | 35.66 | 47.45 | 53.90 | 59.32 | 73.57 | 87.65 | 75.13 | 73.00 | 59.32 | 42.87 | 38.03 | 56.70 | |||||||||||||
| 1961 | 40.68 | 41.36 | 44.71 | 50.90 | 60.13 | 76.33 | 82.65 | 86.68 | 64.67 | 55.55 | 42.00 | 33.45 | 56.59 | |||||||||||||
| 1962 | 33.94 | 39.61 | 42.10 | 58.73 | 55.16 | 70.40 | 78.48 | 76.65 | 73.10 | 58.48 | 45.77 | 40.06 | 56.04 | |||||||||||||
| 1963 | 29.39 | 48.82 | 45.90 | 50.00 | 63.45 | 67.70 | 76.90 | 80.35 | 79.27 | 62.19 | 45.47 | 38.00 | 57.29 | |||||||||||||
| 1964 | 34.55 | 40.48 | 41.65 | 49.73 | 61.03 | 66.73 | 80.71 | 75.19 | 67.93 | 64.06 | 42.43 | 34.16 | 54.89 | |||||||||||||
| 1965 | 37.90 | 41.79 | 43.55 | 56.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.81 | |||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 35.00 | 40.12 | 44.10 | 54.16 | 62.02 | 68.19 | 80.58 | 79.53 | 71.01 | 58.55 | 44.38 | 38.31 | 56.27 | |||||||||||||
| S.D. | 5.08 | 4.12 | 3.53 | 4.14 | 4.09 | 3.82 | 2.54 | 3.48 | 4.38 | 4.60 | 4.63 | 3.31 | 1.26 | |||||||||||||
| SKEW | -0.75 | 0.37 | 0.81 | -0.18 | 0.10 | 0.86 | 0.32 | 0.05 | -0.49 | 0.28 | 0.69 | -0.21 | -0.62 | |||||||||||||
| MAX | 43.16 | 48.82 | 53.71 | 62.33 | 70.52 | 77.87 | 87.65 | 86.68 | 79.27 | 68.58 | 55.67 | 44.65 | 58.82 | |||||||||||||
| MIN | 23.39 | 32.59 | 37.32 | 44.81 | 54.94 | 62.53 | 74.58 | 73.10 | 59.63 | 49.19 | 35.30 | 31.00 | 52.62 | |||||||||||||
| NO YRS | 25 | 25 | 24 | 25 | 24 | 24 | 24 | 26 | 26 | 25 | 25 | 26 | 22 | |||||||||||||