| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.0 | 47.6 | 53.9 | 62.5 | 72.1 | 81.8 | 91.8 | 89.3 | 79.5 | 67.4 | 51.1 | 42.2 | 65.0 |
| Highest Mean Max. Temperature (F) | 48.4 | 55.8 | 61.4 | 73.2 | 79.5 | 89.8 | 96.4 | 95.5 | 86.8 | 77.3 | 60.3 | 49.3 | 67.3 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1966 | 1974 | 1974 | 1981 | 1979 | 1978 | 1976 | 1976 | 1966 |
| Lowest Mean Max. Temperature (F) | 33.1 | 36.8 | 48.6 | 52.6 | 65.6 | 73.5 | 86.9 | 81.3 | 70.4 | 58.0 | 43.5 | 33.8 | 61.9 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1975 | 1977 | 1971 | 1971 | 1968 | 1986 | 1984 | 1985 | 1990 | 1971 |
| Mean Temperature (F) | 30.1 | 36.0 | 40.3 | 46.6 | 54.9 | 63.8 | 72.0 | 70.1 | 60.2 | 50.1 | 38.6 | 31.2 | 49.5 |
| Highest Mean Temperature (F) | 37.0 | 43.3 | 46.9 | 54.7 | 60.5 | 69.2 | 76.7 | 81.0 | 66.3 | 56.6 | 41.7 | 36.9 | 51.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1969 | 1986 | 1985 | 1967 | 1979 | 1988 | 1986 | 1981 | 1986 |
| Lowest Mean Temperature (F) | 21.0 | 25.2 | 35.6 | 37.1 | 50.0 | 58.6 | 67.4 | 64.4 | 54.4 | 44.3 | 32.0 | 22.1 | 47.8 |
| Year Lowest Occurred | 1977 | 1989 | 1976 | 1967 | 1973 | 1963 | 1987 | 1976 | 1985 | 1969 | 1985 | 1990 | 1984 |
| Mean Min. Temperature (F) | 19.1 | 24.3 | 26.7 | 30.7 | 37.6 | 45.8 | 52.1 | 50.9 | 40.9 | 32.7 | 26.1 | 20.2 | 33.9 |
| Highest Mean Min. Temperature (F) | 27.2 | 31.1 | 33.6 | 38.9 | 42.2 | 50.9 | 59.9 | 67.0 | 45.8 | 40.8 | 31.0 | 27.7 | 36.2 |
| Year Highest Occurred | 1978 | 1986 | 1972 | 1990 | 1969 | 1988 | 1968 | 1967 | 1979 | 1979 | 1983 | 1981 | 1986 |
| Lowest Mean Min. Temperature (F) | 8.1 | 13.5 | 21.5 | 21.1 | 32.3 | 41.0 | 46.9 | 45.7 | 36.7 | 28.7 | 20.5 | 10.3 | 31.9 |
| Year Lowest Occurred | 1977 | 1989 | 1967 | 1967 | 1982 | 1963 | 1987 | 1976 | 1961 | 1976 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 0.86 | 0.75 | 0.94 | 0.85 | 0.94 | 0.90 | 0.28 | 0.52 | 0.53 | 0.53 | 1.23 | 0.84 | 9.17 |
| Highest Precipitation (in.) | 2.83 | 2.83 | 2.41 | 3.06 | 2.86 | 2.61 | 1.17 | 2.34 | 1.75 | 1.75 | 4.54 | 3.47 | 16.97 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1978 | 1973 | 1987 | 1982 | 1979 | 1971 | 1984 | 1973 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.03 | 0.11 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 4.86 |
| Year Lowest Occurred | 1968 | 1967 | 1966 | 1972 | 1972 | 1990 | 1989 | 1987 | 1987 | 1988 | 1976 | 1976 | 1967 |
| Heating Degree Days (F) | 1082. | 812. | 766. | 552. | 318. | 115. | 9. | 39. | 187. | 462. | 792. | 1048. | 6182. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 79. | 226. | 197. | 43. | 0. | 0. | 0. | 545. |