| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.6 | 50.7 | 57.7 | 66.8 | 75.3 | 84.8 | 87.2 | 83.8 | 77.7 | 68.8 | 56.1 | 47.0 | 66.8 |
| Highest Mean Max. Temperature (F) | 53.5 | 56.7 | 66.4 | 73.2 | 81.6 | 91.1 | 91.7 | 89.6 | 81.3 | 74.7 | 61.6 | 55.8 | 69.1 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1989 | 1984 | 1990 | 1980 | 1962 | 1963 | 1963 | 1966 | 1981 | 1989 |
| Lowest Mean Max. Temperature (F) | 39.5 | 39.9 | 50.9 | 59.0 | 71.3 | 81.2 | 83.3 | 80.0 | 74.2 | 60.1 | 47.3 | 40.0 | 65.1 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1983 | 1973 | 1983 | 1974 | 1968 | 1974 | 1984 | 1972 | 1982 | 1973 |
| Mean Temperature (F) | 31.9 | 36.5 | 42.2 | 49.6 | 58.0 | 67.1 | 70.9 | 68.4 | 62.1 | 52.5 | 41.1 | 33.2 | 51.1 |
| Highest Mean Temperature (F) | 37.5 | 42.2 | 48.9 | 57.0 | 63.6 | 71.9 | 74.9 | 72.7 | 66.2 | 58.3 | 46.1 | 40.2 | 53.7 |
| Year Highest Occurred | 1986 | 1962 | 1972 | 1963 | 1984 | 1990 | 1963 | 1962 | 1963 | 1963 | 1962 | 1977 | 1963 |
| Lowest Mean Temperature (F) | 27.3 | 27.0 | 35.9 | 42.9 | 54.3 | 63.9 | 68.4 | 65.9 | 59.4 | 47.0 | 34.0 | 28.4 | 49.8 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1973 | 1980 | 1970 | 1975 | 1974 | 1974 | 1984 | 1972 | 1974 | 1973 |
| Mean Min. Temperature (F) | 18.1 | 22.3 | 26.6 | 32.4 | 40.6 | 49.3 | 54.5 | 53.1 | 46.5 | 36.1 | 26.1 | 19.3 | 35.4 |
| Highest Mean Min. Temperature (F) | 24.1 | 28.4 | 31.3 | 45.4 | 48.1 | 55.2 | 59.2 | 55.8 | 51.1 | 41.9 | 32.4 | 27.3 | 39.3 |
| Year Highest Occurred | 1969 | 1962 | 1974 | 1963 | 1963 | 1963 | 1963 | 1977 | 1963 | 1963 | 1962 | 1977 | 1963 |
| Lowest Mean Min. Temperature (F) | 13.5 | 14.1 | 20.9 | 26.2 | 36.8 | 44.6 | 51.5 | 50.8 | 43.5 | 31.2 | 20.7 | 14.8 | 33.5 |
| Year Lowest Occurred | 1967 | 1964 | 1969 | 1973 | 1975 | 1970 | 1987 | 1978 | 1967 | 1970 | 1972 | 1978 | 1970 |
| Mean Precipitation (in.) | 0.71 | 0.87 | 0.67 | 0.67 | 0.69 | 0.71 | 2.38 | 2.60 | 2.00 | 1.25 | 0.69 | 1.00 | 14.24 |
| Highest Precipitation (in.) | 4.20 | 3.17 | 2.16 | 1.74 | 1.96 | 2.14 | 7.89 | 5.46 | 5.01 | 6.14 | 1.92 | 2.97 | 24.57 |
| Year Highest Occurred | 1987 | 1964 | 1985 | 1977 | 1987 | 1966 | 1974 | 1990 | 1962 | 1972 | 1986 | 1986 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.02 | 0.26 | 0.77 | 0.00 | 0.00 | 0.00 | 0.00 | 7.63 |
| Year Lowest Occurred | 1976 | 1984 | 1966 | 1978 | 1984 | 1982 | 1987 | 1962 | 1968 | 1975 | 1989 | 1981 | 1970 |
| Heating Degree Days (F) | 1026. | 798. | 707. | 462. | 231. | 37. | 0. | 14. | 103. | 388. | 717. | 986. | 5469. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 100. | 187. | 119. | 16. | 0. | 0. | 0. | 436. |