| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.3 | 47.2 | 52.2 | 60.4 | 70.2 | 80.8 | 88.3 | 85.8 | 77.5 | 66.4 | 51.7 | 42.6 | 63.8 |
| Highest Mean Max. Temperature (F) | 51.2 | 55.9 | 65.0 | 69.5 | 77.3 | 86.3 | 91.4 | 90.7 | 83.9 | 73.5 | 58.8 | 50.8 | 66.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1985 | 1972 | 1969 | 1979 | 1965 | 1976 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 34.8 | 39.4 | 42.5 | 47.8 | 60.8 | 73.8 | 83.8 | 80.0 | 71.5 | 58.5 | 43.1 | 34.1 | 61.7 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1963 | 1987 | 1968 | 1986 | 1984 | 1985 | 1987 | 1982 |
| Mean Temperature (F) | 31.5 | 36.3 | 40.6 | 47.5 | 56.8 | 66.5 | 74.1 | 71.9 | 63.7 | 52.9 | 40.4 | 31.9 | 51.2 |
| Highest Mean Temperature (F) | 40.3 | 43.5 | 48.5 | 56.2 | 62.6 | 71.9 | 76.9 | 75.9 | 67.9 | 59.2 | 44.8 | 38.7 | 53.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1966 | 1985 | 1989 | 1969 | 1979 | 1988 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 25.8 | 31.3 | 34.7 | 38.0 | 49.3 | 59.7 | 70.3 | 66.5 | 57.9 | 46.6 | 34.1 | 24.3 | 49.5 |
| Year Lowest Occurred | 1987 | 1969 | 1973 | 1967 | 1977 | 1963 | 1987 | 1976 | 1986 | 1984 | 1985 | 1971 | 1975 |
| Mean Min. Temperature (F) | 20.7 | 25.4 | 28.9 | 34.6 | 43.4 | 52.1 | 59.8 | 58.0 | 49.8 | 39.4 | 29.1 | 21.2 | 38.5 |
| Highest Mean Min. Temperature (F) | 29.3 | 31.8 | 35.4 | 42.9 | 48.5 | 57.4 | 63.3 | 62.7 | 54.3 | 46.0 | 34.3 | 28.4 | 40.1 |
| Year Highest Occurred | 1986 | 1968 | 1986 | 1989 | 1966 | 1985 | 1988 | 1970 | 1969 | 1963 | 1967 | 1977 | 1966 |
| Lowest Mean Min. Temperature (F) | 14.8 | 21.3 | 24.4 | 27.6 | 37.7 | 45.6 | 56.4 | 51.7 | 44.3 | 33.3 | 24.9 | 12.9 | 36.6 |
| Year Lowest Occurred | 1962 | 1990 | 1977 | 1975 | 1977 | 1963 | 1983 | 1976 | 1986 | 1971 | 1979 | 1971 | 1975 |
| Mean Precipitation (in.) | 0.62 | 0.68 | 0.60 | 0.53 | 0.57 | 0.42 | 0.47 | 0.74 | 0.64 | 0.50 | 0.41 | 0.27 | 6.45 |
| Highest Precipitation (in.) | 2.84 | 3.02 | 2.98 | 3.16 | 2.57 | 1.64 | 2.71 | 2.82 | 2.99 | 3.07 | 1.76 | 1.68 | 13.19 |
| Year Highest Occurred | 1969 | 1976 | 1978 | 1988 | 1987 | 1969 | 1984 | 1983 | 1967 | 1972 | 1987 | 1966 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.45 |
| Year Lowest Occurred | 1975 | 1990 | 1989 | 1989 | 1986 | 1986 | 1985 | 1985 | 1986 | 1990 | 1990 | 1989 | 1971 |
| Heating Degree Days (F) | 1039. | 804. | 756. | 532. | 274. | 67. | 0. | 10. | 109. | 386. | 738. | 1026. | 5741. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 7. | 20. | 112. | 282. | 224. | 70. | 10. | 0. | 0. | 725. |