| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.9 | 40.0 | 50.0 | 62.0 | 72.7 | 83.1 | 92.7 | 90.5 | 78.2 | 64.4 | 46.1 | 34.6 | 62.3 |
| Highest Mean Max. Temperature (F) | 41.4 | 50.6 | 58.7 | 72.1 | 79.9 | 90.9 | 96.8 | 97.2 | 87.0 | 73.5 | 52.9 | 42.0 | 64.6 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1987 | 1966 | 1961 | 1989 | 1967 | 1990 | 1988 | 1976 | 1980 | 1966 |
| Lowest Mean Max. Temperature (F) | 23.7 | 28.1 | 38.5 | 52.3 | 65.3 | 75.8 | 88.0 | 81.5 | 68.4 | 57.8 | 36.1 | 23.0 | 58.0 |
| Year Lowest Occurred | 1979 | 1985 | 1964 | 1975 | 1977 | 1963 | 1986 | 1968 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 24.2 | 30.1 | 38.0 | 47.4 | 56.7 | 66.2 | 74.5 | 72.6 | 61.6 | 49.7 | 36.2 | 25.9 | 48.6 |
| Highest Mean Temperature (F) | 32.2 | 39.2 | 46.2 | 53.8 | 61.9 | 72.6 | 78.8 | 78.3 | 69.8 | 56.3 | 40.9 | 32.8 | 50.3 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1990 | 1966 | 1961 | 1985 | 1961 | 1990 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 14.1 | 16.7 | 27.5 | 41.1 | 52.0 | 61.4 | 70.4 | 66.8 | 54.0 | 44.2 | 25.8 | 14.3 | 44.1 |
| Year Lowest Occurred | 1979 | 1985 | 1964 | 1970 | 1977 | 1963 | 1986 | 1968 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 15.4 | 20.2 | 26.0 | 32.6 | 40.8 | 49.2 | 56.2 | 54.7 | 44.8 | 34.9 | 26.2 | 17.2 | 34.9 |
| Highest Mean Min. Temperature (F) | 23.6 | 27.7 | 34.6 | 38.5 | 44.6 | 54.3 | 60.7 | 61.5 | 52.5 | 39.0 | 30.0 | 24.2 | 36.3 |
| Year Highest Occurred | 1983 | 1963 | 1978 | 1990 | 1987 | 1961 | 1985 | 1961 | 1990 | 1988 | 1965 | 1974 | 1986 |
| Lowest Mean Min. Temperature (F) | 4.5 | 4.6 | 16.2 | 27.5 | 36.7 | 45.4 | 52.1 | 48.5 | 37.6 | 30.0 | 15.5 | 5.5 | 30.1 |
| Year Lowest Occurred | 1979 | 1964 | 1976 | 1970 | 1982 | 1976 | 1963 | 1985 | 1971 | 1985 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.26 | 1.06 | 1.13 | 0.70 | 0.77 | 0.70 | 0.25 | 0.40 | 0.56 | 0.62 | 1.41 | 1.29 | 10.15 |
| Highest Precipitation (in.) | 4.15 | 4.49 | 3.23 | 1.64 | 1.98 | 3.20 | 1.37 | 3.17 | 1.91 | 2.19 | 4.01 | 6.13 | 17.09 |
| Year Highest Occurred | 1970 | 1986 | 1989 | 1967 | 1962 | 1967 | 1987 | 1968 | 1976 | 1975 | 1988 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.16 | 0.13 | 0.13 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.11 |
| Year Lowest Occurred | 1977 | 1971 | 1969 | 1977 | 1974 | 1974 | 1988 | 1981 | 1987 | 1988 | 1976 | 1989 | 1966 |
| Heating Degree Days (F) | 1265. | 977. | 837. | 528. | 266. | 82. | 0. | 23. | 181. | 474. | 864. | 1212. | 6709. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 118. | 297. | 259. | 79. | 0. | 0. | 0. | 761. |