| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.4 | 45.9 | 53.8 | 63.1 | 73.5 | 84.5 | 91.3 | 89.1 | 80.2 | 67.9 | 52.0 | 40.1 | 65.0 |
| Highest Mean Max. Temperature (F) | 46.8 | 58.9 | 63.8 | 72.4 | 79.2 | 90.3 | 95.6 | 92.5 | 87.2 | 75.5 | 59.6 | 51.0 | 68.0 |
| Year Highest Occurred | 1986 | 1990 | 1989 | 1987 | 1963 | 1988 | 1989 | 1986 | 1979 | 1988 | 1962 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 31.6 | 39.8 | 44.8 | 54.4 | 66.5 | 76.3 | 86.0 | 82.2 | 71.0 | 58.3 | 41.2 | 32.7 | 62.3 |
| Year Lowest Occurred | 1989 | 1989 | 1964 | 1975 | 1965 | 1969 | 1965 | 1968 | 1965 | 1969 | 1964 | 1967 | 1964 |
| Mean Temperature (F) | 25.0 | 32.1 | 38.8 | 46.3 | 55.2 | 64.3 | 71.4 | 69.3 | 60.4 | 49.4 | 37.0 | 27.0 | 48.0 |
| Highest Mean Temperature (F) | 33.2 | 42.9 | 46.2 | 53.9 | 61.0 | 69.9 | 74.8 | 72.9 | 66.1 | 56.0 | 42.5 | 35.2 | 50.8 |
| Year Highest Occurred | 1986 | 1990 | 1989 | 1990 | 1969 | 1988 | 1989 | 1986 | 1990 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 16.0 | 23.4 | 29.6 | 39.8 | 50.7 | 59.7 | 68.5 | 64.1 | 53.8 | 43.2 | 27.6 | 19.0 | 44.7 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1975 | 1965 | 1969 | 1965 | 1968 | 1965 | 1969 | 1964 | 1990 | 1964 |
| Mean Min. Temperature (F) | 11.5 | 18.4 | 23.8 | 29.5 | 36.9 | 44.0 | 51.4 | 49.5 | 40.5 | 30.8 | 21.9 | 13.7 | 31.0 |
| Highest Mean Min. Temperature (F) | 20.8 | 26.8 | 31.7 | 36.6 | 43.1 | 49.4 | 54.4 | 54.3 | 47.0 | 36.4 | 28.4 | 21.1 | 34.2 |
| Year Highest Occurred | 1978 | 1990 | 1978 | 1990 | 1969 | 1988 | 1981 | 1983 | 1990 | 1988 | 1965 | 1983 | 1981 |
| Lowest Mean Min. Temperature (F) | 0.3 | 6.3 | 14.4 | 25.1 | 33.2 | 40.6 | 47.6 | 44.1 | 34.5 | 26.7 | 13.9 | 3.8 | 27.1 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1975 | 1975 | 1976 | 1962 | 1976 | 1968 | 1976 | 1964 | 1990 | 1964 |
| Mean Precipitation (in.) | 0.71 | 0.64 | 1.07 | 0.94 | 0.81 | 0.57 | 0.52 | 0.66 | 1.01 | 0.91 | 0.81 | 0.72 | 9.37 |
| Highest Precipitation (in.) | 2.05 | 3.45 | 2.57 | 1.86 | 2.14 | 2.12 | 1.26 | 1.71 | 3.72 | 2.49 | 2.83 | 2.24 | 18.37 |
| Year Highest Occurred | 1982 | 1962 | 1983 | 1968 | 1983 | 1984 | 1982 | 1984 | 1982 | 1972 | 1983 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.04 | 0.00 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.05 | 0.06 | 0.00 | 4.12 |
| Year Lowest Occurred | 1971 | 1989 | 1972 | 1982 | 1969 | 1989 | 1989 | 1967 | 1974 | 1964 | 1962 | 1986 | 1989 |
| Heating Degree Days (F) | 1240. | 921. | 812. | 561. | 309. | 99. | 0. | 17. | 180. | 484. | 840. | 1178. | 6641. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 78. | 201. | 151. | 42. | 0. | 0. | 0. | 477. |