| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.3 | 39.9 | 46.6 | 56.2 | 65.6 | 76.0 | 84.4 | 82.1 | 70.8 | 60.6 | 45.1 | 36.3 | 58.2 |
| Highest Mean Max. Temperature (F) | 44.8 | 49.1 | 55.9 | 66.9 | 73.6 | 85.0 | 90.3 | 89.8 | 79.3 | 69.2 | 52.6 | 47.1 | 60.8 |
| Year Highest Occurred | 1961 | 1970 | 1986 | 1987 | 1966 | 1988 | 1966 | 1970 | 1979 | 1965 | 1965 | 1980 | 1966 |
| Lowest Mean Max. Temperature (F) | 15.7 | 21.6 | 34.7 | 46.5 | 57.0 | 68.0 | 78.2 | 75.4 | 58.3 | 50.6 | 27.6 | 18.1 | 54.7 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1975 | 1983 | 1982 | 1987 | 1977 | 1965 | 1969 | 1985 | 1983 | 1982 |
| Mean Temperature (F) | 23.3 | 28.6 | 35.0 | 43.8 | 53.0 | 62.5 | 69.6 | 67.5 | 57.0 | 47.8 | 34.5 | 25.5 | 45.7 |
| Highest Mean Temperature (F) | 32.8 | 36.1 | 43.9 | 51.1 | 58.0 | 71.0 | 73.7 | 73.2 | 64.2 | 54.8 | 41.8 | 35.1 | 48.4 |
| Year Highest Occurred | 1965 | 1961 | 1986 | 1987 | 1966 | 1988 | 1966 | 1971 | 1990 | 1963 | 1965 | 1980 | 1988 |
| Lowest Mean Temperature (F) | 4.6 | 11.8 | 22.3 | 35.7 | 45.8 | 56.6 | 65.9 | 62.4 | 46.5 | 40.1 | 17.6 | 7.3 | 43.1 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1975 | 1983 | 1982 | 1972 | 1980 | 1965 | 1969 | 1985 | 1983 | 1982 |
| Mean Min. Temperature (F) | 12.3 | 17.2 | 23.4 | 31.4 | 40.3 | 49.0 | 54.7 | 52.9 | 43.1 | 34.8 | 23.9 | 14.8 | 33.2 |
| Highest Mean Min. Temperature (F) | 22.8 | 26.5 | 31.8 | 35.5 | 44.8 | 56.9 | 58.3 | 58.7 | 51.1 | 41.3 | 31.1 | 23.0 | 36.2 |
| Year Highest Occurred | 1965 | 1961 | 1986 | 1962 | 1987 | 1988 | 1988 | 1961 | 1990 | 1963 | 1990 | 1980 | 1988 |
| Lowest Mean Min. Temperature (F) | -6.5 | 1.9 | 9.9 | 24.9 | 34.6 | 43.9 | 49.5 | 48.7 | 34.6 | 29.5 | 7.5 | -3.5 | 30.1 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1975 | 1983 | 1983 | 1972 | 1985 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Precipitation (in.) | 0.37 | 0.22 | 0.42 | 0.90 | 1.92 | 1.60 | 1.03 | 0.83 | 1.11 | 0.67 | 0.40 | 0.29 | 9.76 |
| Highest Precipitation (in.) | 1.92 | 1.18 | 1.06 | 2.29 | 4.73 | 3.52 | 3.27 | 2.58 | 3.36 | 2.75 | 0.97 | 1.17 | 14.12 |
| Year Highest Occurred | 1972 | 1978 | 1980 | 1978 | 1978 | 1967 | 1973 | 1968 | 1961 | 1971 | 1978 | 1964 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.09 | 0.08 | 0.10 | 0.18 | 0.02 | 0.01 | 0.05 | 0.00 | 0.00 | 5.83 |
| Year Lowest Occurred | 1988 | 1990 | 1984 | 1985 | 1976 | 1978 | 1976 | 1970 | 1964 | 1966 | 1965 | 1985 | 1985 |
| Heating Degree Days (F) | 1293. | 1019. | 930. | 636. | 376. | 147. | 18. | 60. | 279. | 533. | 915. | 1225. | 7431. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 72. | 161. | 137. | 39. | 0. | 0. | 0. | 409. |