| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.2 | 44.3 | 49.7 | 57.1 | 66.4 | 76.3 | 86.2 | 85.1 | 76.6 | 64.7 | 48.8 | 40.5 | 61.2 |
| Highest Mean Max. Temperature (F) | 47.2 | 54.0 | 56.6 | 65.4 | 76.0 | 84.6 | 90.7 | 92.1 | 84.4 | 75.3 | 58.3 | 47.8 | 63.9 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1966 | 1961 | 1961 | 1967 | 1974 | 1988 | 1976 | 1976 | 1961 |
| Lowest Mean Max. Temperature (F) | 27.3 | 34.4 | 44.3 | 45.8 | 56.8 | 69.5 | 79.2 | 76.4 | 65.6 | 51.6 | 39.4 | 32.2 | 56.9 |
| Year Lowest Occurred | 1977 | 1989 | 1975 | 1975 | 1977 | 1984 | 1987 | 1976 | 1986 | 1984 | 1984 | 1990 | 1984 |
| Mean Temperature (F) | 29.5 | 34.3 | 39.1 | 45.2 | 53.2 | 62.1 | 70.2 | 68.8 | 60.2 | 50.0 | 38.1 | 30.7 | 48.5 |
| Highest Mean Temperature (F) | 38.0 | 43.8 | 46.1 | 52.2 | 60.7 | 68.9 | 74.7 | 75.2 | 66.4 | 57.0 | 43.0 | 37.8 | 50.7 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1966 | 1961 | 1968 | 1967 | 1967 | 1988 | 1962 | 1981 | 1966 |
| Lowest Mean Temperature (F) | 16.1 | 24.6 | 33.6 | 36.6 | 45.9 | 56.4 | 64.1 | 61.5 | 52.9 | 40.1 | 29.7 | 19.8 | 44.8 |
| Year Lowest Occurred | 1977 | 1989 | 1985 | 1975 | 1977 | 1984 | 1983 | 1976 | 1986 | 1984 | 1985 | 1990 | 1984 |
| Mean Min. Temperature (F) | 19.8 | 24.3 | 28.5 | 33.2 | 40.0 | 47.9 | 54.2 | 52.5 | 43.8 | 35.2 | 27.3 | 20.9 | 35.6 |
| Highest Mean Min. Temperature (F) | 28.8 | 33.5 | 35.5 | 40.1 | 45.3 | 53.2 | 59.0 | 58.2 | 50.8 | 40.8 | 32.6 | 29.9 | 38.5 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1966 | 1961 | 1968 | 1967 | 1967 | 1963 | 1965 | 1981 | 1986 |
| Lowest Mean Min. Temperature (F) | 4.9 | 14.7 | 22.6 | 27.4 | 35.0 | 43.2 | 49.0 | 46.5 | 38.1 | 28.6 | 19.1 | 7.4 | 32.6 |
| Year Lowest Occurred | 1977 | 1989 | 1985 | 1975 | 1977 | 1984 | 1983 | 1976 | 1970 | 1984 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.65 | 1.35 | 1.40 | 1.07 | 1.00 | 0.67 | 0.29 | 0.44 | 0.57 | 1.03 | 1.81 | 1.58 | 12.86 |
| Highest Precipitation (in.) | 5.74 | 6.06 | 3.74 | 2.96 | 3.99 | 2.41 | 1.32 | 1.77 | 2.58 | 6.86 | 4.29 | 5.77 | 19.04 |
| Year Highest Occurred | 1980 | 1986 | 1971 | 1963 | 1971 | 1964 | 1975 | 1968 | 1971 | 1962 | 1988 | 1983 | 1970 |
| Lowest Precipitation (in.) | 0.05 | 0.23 | 0.16 | 0.21 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.06 | 7.56 |
| Year Lowest Occurred | 1961 | 1965 | 1965 | 1977 | 1976 | 1962 | 1989 | 1987 | 1987 | 1988 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 1101. | 860. | 803. | 594. | 371. | 145. | 22. | 45. | 195. | 474. | 807. | 1063. | 6480. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 58. | 183. | 163. | 51. | 9. | 0. | 0. | 469. |