| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.2 | 51.9 | 58.0 | 64.5 | 73.3 | 82.8 | 91.1 | 89.0 | 79.9 | 69.1 | 54.8 | 45.4 | 67.0 |
| Highest Mean Max. Temperature (F) | 51.1 | 58.5 | 64.8 | 73.6 | 82.3 | 91.9 | 97.0 | 95.0 | 86.4 | 77.2 | 59.5 | 53.5 | 70.7 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1962 | 1966 | 1961 | 1961 | 1969 | 1969 | 1988 | 1977 | 1981 | 1966 |
| Lowest Mean Max. Temperature (F) | 34.0 | 41.4 | 53.1 | 54.6 | 63.8 | 74.4 | 84.9 | 80.0 | 71.6 | 60.8 | 47.2 | 35.2 | 63.4 |
| Year Lowest Occurred | 1982 | 1989 | 1985 | 1967 | 1977 | 1983 | 1983 | 1976 | 1985 | 1984 | 1985 | 1990 | 1982 |
| Mean Temperature (F) | 31.2 | 37.5 | 42.9 | 48.8 | 57.1 | 65.6 | 72.3 | 70.3 | 61.6 | 51.3 | 40.2 | 32.1 | 50.9 |
| Highest Mean Temperature (F) | 37.6 | 44.3 | 48.1 | 54.8 | 63.0 | 72.3 | 76.6 | 75.5 | 66.4 | 56.3 | 44.0 | 39.9 | 53.2 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1990 | 1966 | 1961 | 1961 | 1967 | 1963 | 1963 | 1981 | 1981 | 1981 |
| Lowest Mean Temperature (F) | 21.6 | 27.5 | 38.4 | 41.6 | 50.4 | 61.1 | 67.2 | 63.5 | 55.5 | 46.1 | 35.1 | 22.3 | 49.2 |
| Year Lowest Occurred | 1982 | 1989 | 1977 | 1967 | 1977 | 1983 | 1983 | 1976 | 1986 | 1984 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 18.1 | 23.1 | 27.7 | 33.2 | 40.9 | 48.3 | 53.5 | 51.6 | 43.2 | 33.5 | 25.6 | 18.7 | 34.8 |
| Highest Mean Min. Temperature (F) | 25.3 | 30.2 | 34.7 | 40.0 | 44.7 | 54.8 | 56.4 | 56.8 | 49.0 | 40.0 | 29.8 | 28.0 | 37.5 |
| Year Highest Occurred | 1978 | 1968 | 1978 | 1990 | 1987 | 1977 | 1967 | 1967 | 1967 | 1963 | 1981 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | 8.1 | 13.5 | 23.2 | 28.2 | 36.9 | 44.9 | 48.9 | 47.0 | 38.1 | 29.3 | 20.4 | 9.4 | 32.5 |
| Year Lowest Occurred | 1963 | 1964 | 1977 | 1975 | 1977 | 1980 | 1987 | 1976 | 1986 | 1969 | 1961 | 1990 | 1989 |
| Mean Precipitation (in.) | 0.48 | 0.53 | 0.41 | 0.55 | 0.68 | 0.58 | 0.21 | 0.30 | 0.36 | 0.43 | 0.42 | 0.37 | 5.32 |
| Highest Precipitation (in.) | 1.75 | 2.83 | 1.13 | 2.30 | 2.38 | 3.04 | 1.33 | 1.16 | 1.41 | 1.81 | 1.68 | 1.20 | 8.45 |
| Year Highest Occurred | 1969 | 1962 | 1978 | 1990 | 1987 | 1977 | 1976 | 1979 | 1982 | 1972 | 1965 | 1977 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.55 |
| Year Lowest Occurred | 1989 | 1974 | 1972 | 1962 | 1974 | 1981 | 1989 | 1987 | 1987 | 1977 | 1986 | 1989 | 1986 |
| Heating Degree Days (F) | 1048. | 770. | 685. | 486. | 256. | 73. | 7. | 25. | 151. | 425. | 744. | 1020. | 5690. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 91. | 233. | 189. | 49. | 0. | 0. | 0. | 573. |