| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.68 | 80.97 | 69.10 | 67.23 | 54.83 | a | 43.10 | 66.65 | ||||||
| 1934 | 43.03 | 43.96 | 57.29 | 63.34 | a | 67.29 | 69.00 | 83.52 | 84.26 | 71.28 | a | 61.26 | 47.23 | 36.42 | 60.66 | |||||||||||
| 1935 | 34.39 | 38.11 | 36.06 | 46.47 | 58.45 | 71.27 | 77.81 | 81.29 | 76.20 | 53.10 | 39.83 | 39.16 | 54.34 | |||||||||||||
| 1936 | 34.81 | 32.93 | 42.39 | 55.03 | 62.19 | 68.88 | d | 82.29 | 78.55 | 68.10 | 59.84 | 46.67 | 34.03 | 55.48 | ||||||||||||
| 1937 | 15.26 | 28.89 | 37.03 | a | 42.70 | 61.84 | 64.93 | 78.90 | 77.55 | 70.93 | 59.13 | 41.97 | a | 39.10 | a | 51.52 | ||||||||||
| 1938 | ----- | z | 29.57 | 31.26 | 45.80 | 55.61 | 65.23 | 75.58 | 75.23 | 69.87 | 51.17 | a | 37.57 | 37.74 | 52.24 | |||||||||||
| 1939 | 33.48 | 26.61 | 41.87 | 56.53 | 60.52 | 63.67 | 79.26 | 81.90 | 70.50 | 56.10 | 53.20 | 44.71 | 55.70 | |||||||||||||
| 1940 | 36.03 | 35.31 | 44.42 | 52.52 | a | 65.77 | 77.13 | 79.39 | 83.13 | 64.90 | 56.87 | 39.80 | 39.88 | e | 56.26 | |||||||||||
| 1941 | 35.68 | 36.36 | 46.52 | 49.10 | 59.29 | g | 63.47 | 78.52 | 72.97 | 62.47 | 54.03 | 47.53 | 35.32 | 52.91 | ||||||||||||
| 1942 | 33.65 | 30.39 | 39.13 | 51.23 | 53.28 | b | 64.90 | 79.68 | 79.68 | 71.87 | 61.42 | 43.27 | 38.55 | 53.92 | ||||||||||||
| 1943 | 35.65 | 37.54 | 42.74 | 57.75 | j | 59.46 | g | 62.87 | 77.97 | 76.87 | 79.00 | 57.10 | 49.97 | 40.00 | 55.97 | |||||||||||
| 1944 | 35.00 | 32.62 | 42.39 | 47.87 | 61.71 | 61.47 | 75.29 | 76.32 | 71.80 | 63.48 | 39.23 | 38.94 | 53.84 | |||||||||||||
| 1945 | 39.52 | 36.11 | 38.26 | 49.70 | 56.87 | 64.73 | 80.68 | 80.03 | 70.23 | 64.71 | 48.20 | 34.26 | 55.27 | |||||||||||||
| 1946 | 35.23 | 34.07 | 43.10 | 55.40 | 59.10 | 66.37 | 77.77 | 80.39 | 67.37 | 46.55 | 40.57 | 39.16 | 53.76 | |||||||||||||
| 1947 | 37.06 | 43.77 | b | 47.40 | a | 52.40 | 66.48 | b | 63.60 | 78.19 | 75.40 | a | 72.28 | a | 56.03 | 37.50 | 36.35 | 55.54 | ||||||||
| 1948 | 40.29 | 34.79 | a | 36.26 | 43.03 | 55.32 | 65.10 | 74.23 | 75.03 | 68.53 | 59.61 | 41.33 | 28.10 | 51.80 | ||||||||||||
| 1949 | 23.58 | 30.27 | f | 36.16 | 55.60 | 60.58 | 67.57 | 77.65 | 76.29 | 71.23 | 53.23 | 55.27 | 35.19 | 55.67 | ||||||||||||
| 1950 | 26.57 | a | 38.86 | 39.16 | 51.73 | 59.03 | ----- | z | 79.30 | a | 79.58 | 67.63 | c | 57.84 | 46.86 | a | 43.17 | a | 53.61 | |||||||
| 1951 | 31.58 | 35.43 | 39.03 | 55.83 | 57.90 | 69.68 | b | 79.74 | 75.55 | 72.17 | 51.40 | a | 41.96 | c | 33.68 | 53.66 | ||||||||||
| 1952 | 27.32 | 31.83 | 30.94 | 53.63 | 61.52 | 64.03 | a | 77.68 | 77.48 | 72.50 | 66.68 | 42.03 | 34.48 | 53.34 | ||||||||||||
| 1953 | 41.94 | 40.04 | 43.68 | 48.20 | 50.29 | 61.73 | 80.94 | 74.97 | 75.62 | a | 58.00 | 46.13 | 39.00 | 55.04 | ||||||||||||
| 1954 | 34.94 | 45.04 | 39.48 | 54.67 | 66.68 | 64.70 | 81.03 | 73.55 | 68.87 | 58.94 | 49.47 | 34.39 | 55.98 | |||||||||||||
| 1955 | 29.16 | 31.64 | 37.13 | 41.80 | 58.55 | 69.53 | 74.06 | 81.80 | a | 69.70 | 60.29 | 40.87 | 33.55 | 52.34 | ||||||||||||
| 1956 | 33.19 | 30.72 | 40.42 | 51.50 | 57.90 | a | 68.23 | 78.10 | 75.74 | 71.63 | 52.13 | 48.30 | 41.74 | 54.13 | ||||||||||||
| 1957 | 28.26 | 38.79 | 42.29 | 49.73 | 56.06 | 70.63 | 77.52 | 75.26 | 73.13 | 48.77 | 39.43 | 39.35 | 53.27 | |||||||||||||
| 1958 | 35.52 | 38.71 | 36.16 | 46.50 | 67.32 | 66.13 | 75.71 | 80.39 | 69.90 | 62.61 | 45.63 | 45.58 | 55.85 | |||||||||||||
| 1959 | 37.39 | 35.36 | 45.00 | 56.70 | 57.94 | 73.50 | 84.10 | 78.19 | 64.80 | 59.52 | 52.40 | 40.81 | 57.14 | |||||||||||||
| 1960 | 30.00 | 32.38 | 44.68 | 51.23 | 56.84 | 75.10 | 83.29 | 77.39 | 73.73 | 57.94 | 39.13 | 38.16 | 54.99 | |||||||||||||
| 1961 | 42.42 | 39.32 | 40.97 | 52.17 | 58.94 | 76.00 | 82.55 | 81.73 | a | 64.55 | a | 56.21 | c | 43.10 | 35.06 | 56.09 | ||||||||||
| 1962 | 35.45 | 32.93 | 34.77 | 56.03 | 53.94 | 69.63 | 76.77 | 75.94 | 72.83 | 57.58 | 45.87 | 43.26 | 54.58 | |||||||||||||
| 1963 | 38.94 | 46.29 | 40.58 | 41.59 | a | 59.74 | 64.30 | 74.65 | 75.74 | 71.90 | 60.65 | 42.67 | 41.23 | 54.85 | ||||||||||||
| 1964 | 32.61 | 37.24 | 37.97 | 48.50 | 57.16 | 63.52 | c | 78.90 | 77.42 | 68.70 | 65.68 | 40.13 | 33.19 | 53.42 | ||||||||||||
| 1965 | 36.29 | 40.14 | 44.32 | 50.80 | 56.77 | 66.33 | 76.65 | 72.29 | 63.93 | 66.19 | 44.13 | 35.00 | 54.40 | |||||||||||||
| 1966 | 33.87 | 34.25 | 45.13 | 56.00 | 68.63 | a | 68.13 | 78.90 | a | 80.94 | 72.67 | 60.10 | a | 45.61 | g | 36.76 | f | 59.86 | ||||||||
| 1967 | 36.41 | b | 40.73 | b | 39.40 | a | 38.10 | 60.82 | c | 65.63 | 80.83 | b | 84.42 | 74.37 | 60.00 | b | 47.31 | a | 32.00 | 55.00 | ||||||
| 1968 | 35.45 | 42.03 | 46.52 | 51.17 | 60.81 | 70.87 | 83.32 | 70.84 | 70.00 | 58.16 | 40.93 | a | 31.90 | 55.17 | ||||||||||||
| 1969 | 33.00 | b | 30.61 | 38.53 | a | 51.80 | 64.61 | 66.17 | 78.65 | 80.16 | 72.43 | 50.00 | 49.90 | 38.48 | 54.53 | |||||||||||
| 1970 | 34.06 | 44.04 | 42.68 | 44.97 | 60.97 | 69.37 | 80.94 | 82.39 | 69.37 | 55.19 | 41.67 | 31.29 | 54.74 | |||||||||||||
| 1971 | 34.97 | 37.89 | 37.00 | 46.87 | 55.55 | 65.53 | k | 77.06 | 80.32 | 64.87 | 51.58 | 41.37 | 27.08 | r | 52.75 | |||||||||||
| 1972 | 30.67 | g | 36.18 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 34.11 | 36.36 | 40.74 | 50.44 | 59.81 | 67.32 | 79.03 | 78.15 | 70.28 | 57.85 | 44.56 | 37.44 | 54.73 | |||||||||||||
| S.D. | 5.28 | 4.91 | 4.85 | 5.23 | 4.31 | 3.93 | 2.75 | 3.35 | 3.52 | 5.04 | 4.79 | 4.05 | 1.69 | |||||||||||||
| SKEW | -1.27 | 0.17 | 0.72 | -0.18 | 0.27 | 0.80 | 0.24 | -0.06 | -0.14 | -0.13 | 0.57 | -0.01 | 1.08 | |||||||||||||
| MAX | 43.03 | 46.29 | 57.29 | 63.34 | 68.63 | 77.13 | 84.68 | 84.42 | 79.00 | 67.23 | 55.27 | 45.58 | 60.66 | |||||||||||||
| MIN | 15.26 | 26.61 | 30.94 | 38.10 | 50.29 | 61.47 | 74.06 | 70.84 | 62.47 | 46.55 | 37.50 | 28.10 | 51.52 | |||||||||||||
| NO YRS | 37 | 37 | 38 | 37 | 36 | 36 | 39 | 39 | 39 | 39 | 38 | 37 | 31 | |||||||||||||