| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.2 | 47.2 | 54.3 | 62.5 | 70.7 | 79.8 | 88.5 | 87.8 | 78.3 | 65.1 | 49.3 | 40.2 | 63.7 |
| Highest Mean Max. Temperature (F) | 48.0 | 52.7 | 60.4 | 71.4 | 76.2 | 88.0 | 96.2 | 96.2 | 86.9 | 73.3 | 54.7 | 47.9 | 66.0 |
| Year Highest Occurred | 1983 | 1961 | 1990 | 1977 | 1966 | 1986 | 1985 | 1986 | 1967 | 1988 | 1965 | 1979 | 1987 |
| Lowest Mean Max. Temperature (F) | 24.0 | 35.3 | 48.8 | 55.5 | 62.7 | 73.4 | 82.0 | 80.7 | 69.7 | 60.5 | 34.4 | 27.7 | 59.2 |
| Year Lowest Occurred | 1979 | 1989 | 1962 | 1967 | 1962 | 1971 | 1963 | 1964 | 1985 | 1984 | 1985 | 1984 | 1985 |
| Mean Temperature (F) | 32.9 | 38.6 | 43.7 | 50.0 | 57.0 | 65.0 | 71.5 | 71.0 | 62.5 | 51.9 | 40.8 | 33.3 | 51.5 |
| Highest Mean Temperature (F) | 40.7 | 44.6 | 48.9 | 56.5 | 60.8 | 70.5 | 77.7 | 76.4 | 69.7 | 56.4 | 45.6 | 39.8 | 53.4 |
| Year Highest Occurred | 1983 | 1961 | 1986 | 1990 | 1987 | 1986 | 1985 | 1967 | 1967 | 1965 | 1989 | 1980 | 1990 |
| Lowest Mean Temperature (F) | 16.7 | 25.1 | 39.5 | 44.7 | 52.4 | 60.3 | 66.1 | 65.7 | 57.0 | 47.6 | 26.5 | 20.4 | 48.0 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1967 | 1962 | 1971 | 1963 | 1964 | 1961 | 1984 | 1985 | 1984 | 1985 |
| Mean Min. Temperature (F) | 25.6 | 29.9 | 33.1 | 37.5 | 43.2 | 50.3 | 54.5 | 54.1 | 46.7 | 38.6 | 32.3 | 26.3 | 39.3 |
| Highest Mean Min. Temperature (F) | 33.9 | 36.4 | 38.1 | 43.4 | 46.5 | 54.4 | 59.2 | 58.3 | 52.4 | 43.2 | 37.0 | 33.2 | 40.9 |
| Year Highest Occurred | 1990 | 1961 | 1986 | 1990 | 1968 | 1969 | 1985 | 1983 | 1967 | 1975 | 1989 | 1980 | 1990 |
| Lowest Mean Min. Temperature (F) | 9.4 | 14.9 | 27.2 | 32.7 | 38.8 | 46.0 | 50.2 | 48.2 | 41.8 | 34.7 | 18.6 | 13.1 | 36.7 |
| Year Lowest Occurred | 1979 | 1989 | 1988 | 1975 | 1989 | 1962 | 1963 | 1988 | 1961 | 1984 | 1985 | 1984 | 1985 |
| Mean Precipitation (in.) | 2.12 | 1.48 | 1.62 | 1.14 | 1.35 | 1.01 | 0.60 | 0.74 | 0.85 | 1.08 | 1.79 | 2.05 | 15.83 |
| Highest Precipitation (in.) | 5.70 | 3.80 | 3.35 | 2.66 | 3.52 | 2.98 | 2.20 | 2.13 | 2.26 | 2.35 | 3.69 | 4.00 | 20.62 |
| Year Highest Occurred | 1970 | 1986 | 1988 | 1978 | 1980 | 1971 | 1983 | 1976 | 1985 | 1962 | 1973 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.29 | 0.18 | 0.36 | 0.16 | 0.38 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | 0.54 | 11.14 |
| Year Lowest Occurred | 1963 | 1964 | 1965 | 1966 | 1964 | 1973 | 1985 | 1988 | 1987 | 1987 | 1976 | 1986 | 1963 |
| Heating Degree Days (F) | 995. | 739. | 660. | 450. | 255. | 92. | 16. | 28. | 149. | 406. | 726. | 983. | 5499. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 92. | 217. | 214. | 74. | 0. | 0. | 0. | 604. |