| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.7 | 45.9 | 50.7 | 59.4 | 69.6 | 80.9 | 87.8 | 85.1 | 76.5 | 65.1 | 50.6 | 42.4 | 63.0 |
| Highest Mean Max. Temperature (F) | 50.6 | 53.1 | 61.6 | 69.1 | 77.8 | 87.2 | 92.3 | 90.9 | 81.9 | 74.0 | 57.8 | 52.0 | 65.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1961 | 1989 | 1969 | 1979 | 1988 | 1962 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 32.9 | 39.3 | 42.4 | 49.0 | 60.2 | 75.4 | 84.3 | 80.1 | 70.3 | 56.7 | 42.9 | 34.1 | 60.1 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1967 | 1977 | 1967 | 1986 | 1968 | 1965 | 1972 | 1972 | 1971 | 1982 |
| Mean Temperature (F) | 31.6 | 35.3 | 39.4 | 46.9 | 56.3 | 66.5 | 73.3 | 71.1 | 63.1 | 52.5 | 40.2 | 32.4 | 50.7 |
| Highest Mean Temperature (F) | 40.0 | 41.7 | 48.5 | 55.4 | 63.0 | 71.7 | 77.6 | 75.9 | 67.9 | 60.2 | 45.4 | 41.2 | 52.7 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1989 | 1969 | 1979 | 1988 | 1962 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 24.5 | 28.9 | 33.8 | 38.5 | 49.7 | 61.5 | 70.4 | 66.9 | 57.2 | 46.0 | 34.9 | 25.6 | 48.6 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1967 | 1977 | 1967 | 1986 | 1968 | 1965 | 1984 | 1972 | 1990 | 1982 |
| Mean Min. Temperature (F) | 21.5 | 24.7 | 28.1 | 34.3 | 43.0 | 52.0 | 58.7 | 57.1 | 49.6 | 39.9 | 29.7 | 22.4 | 38.4 |
| Highest Mean Min. Temperature (F) | 29.4 | 30.7 | 35.4 | 41.7 | 48.1 | 56.8 | 62.9 | 60.8 | 53.9 | 46.3 | 33.9 | 30.3 | 40.9 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1989 | 1984 | 1981 | 1989 | 1969 | 1979 | 1988 | 1981 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 16.0 | 18.0 | 22.9 | 28.0 | 38.2 | 46.9 | 54.7 | 53.6 | 44.0 | 34.6 | 25.3 | 14.0 | 36.3 |
| Year Lowest Occurred | 1979 | 1964 | 1962 | 1975 | 1971 | 1963 | 1962 | 1968 | 1965 | 1969 | 1961 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.31 | 1.28 | 1.51 | 1.16 | 0.95 | 0.40 | 1.19 | 1.23 | 1.03 | 0.92 | 1.07 | 1.14 | 13.19 |
| Highest Precipitation (in.) | 6.46 | 5.72 | 5.10 | 4.32 | 4.23 | 1.54 | 4.99 | 4.21 | 3.61 | 3.78 | 4.79 | 7.71 | 27.29 |
| Year Highest Occurred | 1969 | 1978 | 1978 | 1965 | 1977 | 1969 | 1970 | 1970 | 1963 | 1974 | 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 | 7.58 |
| Year Lowest Occurred | 1989 | 1977 | 1988 | 1989 | 1984 | 1978 | 1963 | 1985 | 1974 | 1970 | 1977 | 1989 | 1962 |
| Heating Degree Days (F) | 1035. | 832. | 794. | 549. | 289. | 66. | 0. | 7. | 117. | 399. | 744. | 1011. | 5843. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 6. | 20. | 111. | 257. | 196. | 60. | 12. | 0. | 0. | 662. |