| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.2 | 46.3 | 51.5 | 59.1 | 67.8 | 76.7 | 86.2 | 84.1 | 74.9 | 65.2 | 49.7 | 41.1 | 61.9 |
| Highest Mean Max. Temperature (F) | 45.5 | 54.4 | 57.7 | 69.5 | 75.1 | 85.6 | 90.9 | 90.1 | 83.0 | 75.5 | 58.1 | 48.5 | 64.3 |
| Year Highest Occurred | 1961 | 1988 | 1978 | 1987 | 1966 | 1961 | 1961 | 1967 | 1990 | 1988 | 1976 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 30.2 | 36.3 | 46.5 | 48.1 | 60.1 | 70.7 | 79.8 | 75.1 | 67.5 | 57.9 | 42.0 | 35.5 | 58.7 |
| Year Lowest Occurred | 1984 | 1989 | 1975 | 1967 | 1977 | 1963 | 1983 | 1976 | 1985 | 1984 | 1982 | 1983 | 1982 |
| Mean Temperature (F) | 29.0 | 34.2 | 38.5 | 44.6 | 52.6 | 60.8 | 68.6 | 67.0 | 58.1 | 49.3 | 37.4 | 29.8 | 47.5 |
| Highest Mean Temperature (F) | 34.9 | 42.7 | 44.9 | 51.7 | 57.2 | 68.3 | 74.7 | 72.8 | 64.4 | 56.1 | 40.6 | 35.9 | 49.3 |
| Year Highest Occurred | 1971 | 1963 | 1978 | 1990 | 1973 | 1961 | 1985 | 1961 | 1990 | 1988 | 1986 | 1981 | 1961 |
| Lowest Mean Temperature (F) | 19.1 | 21.5 | 34.3 | 37.0 | 47.8 | 56.7 | 63.4 | 61.0 | 52.3 | 43.7 | 31.0 | 21.1 | 45.3 |
| Year Lowest Occurred | 1984 | 1966 | 1976 | 1967 | 1977 | 1984 | 1983 | 1976 | 1985 | 1969 | 1985 | 1985 | 1982 |
| Mean Min. Temperature (F) | 17.8 | 22.0 | 25.4 | 30.1 | 37.4 | 44.9 | 50.8 | 49.9 | 41.2 | 33.4 | 25.0 | 18.4 | 33.0 |
| Highest Mean Min. Temperature (F) | 25.2 | 32.0 | 32.0 | 36.7 | 42.0 | 50.9 | 60.1 | 56.4 | 47.6 | 38.5 | 30.2 | 27.0 | 35.3 |
| Year Highest Occurred | 1971 | 1963 | 1978 | 1990 | 1987 | 1961 | 1985 | 1961 | 1963 | 1963 | 1973 | 1977 | 1961 |
| Lowest Mean Min. Temperature (F) | 7.9 | 0.0 | 20.6 | 24.4 | 31.8 | 40.9 | 46.9 | 45.2 | 35.2 | 27.3 | 16.6 | 5.9 | 30.2 |
| Year Lowest Occurred | 1984 | 1966 | 1976 | 1970 | 1965 | 1984 | 1983 | 1985 | 1971 | 1969 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 0.67 | 0.70 | 0.79 | 0.91 | 0.85 | 0.74 | 0.25 | 0.71 | 0.55 | 0.59 | 0.87 | 0.85 | 8.48 |
| Highest Precipitation (in.) | 2.50 | 2.45 | 2.47 | 6.06 | 2.59 | 2.37 | 1.16 | 3.47 | 2.17 | 2.43 | 2.45 | 3.40 | 15.35 |
| Year Highest Occurred | 1969 | 1986 | 1986 | 1987 | 1987 | 1963 | 1982 | 1983 | 1971 | 1962 | 1981 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 4.76 |
| Year Lowest Occurred | 1984 | 1988 | 1982 | 1968 | 1986 | 1985 | 1989 | 1985 | 1990 | 1988 | 1976 | 1976 | 1982 |
| Heating Degree Days (F) | 1116. | 862. | 822. | 612. | 384. | 159. | 35. | 66. | 233. | 487. | 828. | 1091. | 6695. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 33. | 146. | 128. | 26. | 0. | 0. | 0. | 333. |