| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.7 | 46.7 | 55.1 | 62.6 | 70.8 | 80.5 | 89.4 | 87.8 | 77.6 | 64.7 | 49.3 | 40.3 | 63.7 |
| Highest Mean Max. Temperature (F) | 49.8 | 53.1 | 59.5 | 71.1 | 76.1 | 87.1 | 98.5 | 96.3 | 85.9 | 72.1 | 53.8 | 47.9 | 66.4 |
| Year Highest Occurred | 1983 | 1961 | 1968 | 1977 | 1973 | 1961 | 1985 | 1967 | 1990 | 1988 | 1990 | 1974 | 1967 |
| Lowest Mean Max. Temperature (F) | 25.5 | 30.9 | 49.0 | 56.3 | 64.0 | 71.7 | 82.7 | 81.0 | 70.7 | 60.0 | 32.5 | 24.0 | 60.6 |
| Year Lowest Occurred | 1979 | 1989 | 1989 | 1967 | 1962 | 1971 | 1986 | 1968 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 34.1 | 39.9 | 46.1 | 52.0 | 59.3 | 67.7 | 75.1 | 74.5 | 65.1 | 54.1 | 42.6 | 34.8 | 53.8 |
| Highest Mean Temperature (F) | 43.1 | 45.7 | 49.7 | 57.2 | 63.0 | 72.4 | 82.3 | 80.1 | 71.5 | 59.7 | 47.7 | 41.7 | 55.7 |
| Year Highest Occurred | 1983 | 1961 | 1983 | 1977 | 1973 | 1977 | 1985 | 1967 | 1990 | 1988 | 1983 | 1974 | 1967 |
| Lowest Mean Temperature (F) | 20.2 | 24.1 | 41.6 | 47.0 | 54.6 | 61.2 | 70.0 | 69.5 | 59.1 | 50.5 | 27.1 | 20.6 | 50.8 |
| Year Lowest Occurred | 1979 | 1989 | 1989 | 1967 | 1962 | 1971 | 1986 | 1964 | 1971 | 1971 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 28.4 | 33.0 | 37.1 | 41.4 | 47.7 | 54.8 | 60.7 | 61.0 | 52.6 | 43.5 | 35.9 | 29.2 | 43.8 |
| Highest Mean Min. Temperature (F) | 36.8 | 38.8 | 41.7 | 45.4 | 50.2 | 59.0 | 66.1 | 66.5 | 57.2 | 47.3 | 41.6 | 36.1 | 45.7 |
| Year Highest Occurred | 1967 | 1983 | 1983 | 1990 | 1983 | 1982 | 1985 | 1977 | 1963 | 1988 | 1983 | 1973 | 1981 |
| Lowest Mean Min. Temperature (F) | 14.8 | 17.3 | 31.9 | 37.6 | 44.5 | 49.5 | 57.3 | 56.2 | 46.7 | 38.5 | 21.6 | 17.2 | 41.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1972 | 1978 | 1976 | 1986 | 1964 | 1971 | 1964 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 2.29 | 1.84 | 2.07 | 1.68 | 1.58 | 1.02 | 0.55 | 0.81 | 0.95 | 1.55 | 2.64 | 2.51 | 19.49 |
| Highest Precipitation (in.) | 5.91 | 4.12 | 4.33 | 4.01 | 4.13 | 3.09 | 2.12 | 3.11 | 2.24 | 3.51 | 5.11 | 5.37 | 26.68 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1978 | 1962 | 1984 | 1964 | 1977 | 1971 | 1990 | 1973 | 1973 | 1981 |
| Lowest Precipitation (in.) | 0.44 | 0.49 | 0.42 | 0.17 | 0.40 | 0.25 | 0.00 | 0.00 | 0.00 | 0.01 | 0.50 | 0.49 | 13.80 |
| Year Lowest Occurred | 1985 | 1967 | 1965 | 1977 | 1982 | 1989 | 1984 | 1988 | 1990 | 1987 | 1976 | 1965 | 1987 |
| Heating Degree Days (F) | 958. | 703. | 586. | 390. | 189. | 54. | 7. | 14. | 111. | 338. | 672. | 936. | 4958. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 12. | 135. | 320. | 308. | 114. | 0. | 0. | 0. | 889. |