| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.8 | 47.1 | 55.1 | 63.8 | 74.2 | 85.4 | 94.5 | 91.6 | 81.5 | 67.8 | 52.3 | 40.7 | 66.2 |
| Highest Mean Max. Temperature (F) | 47.8 | 54.5 | 64.4 | 72.4 | 82.6 | 94.0 | 97.0 | 96.3 | 87.0 | 76.1 | 57.6 | 50.8 | 68.7 |
| Year Highest Occurred | 1969 | 1963 | 1972 | 1987 | 1969 | 1974 | 1989 | 1969 | 1979 | 1988 | 1967 | 1977 | 1974 |
| Lowest Mean Max. Temperature (F) | 29.0 | 35.5 | 49.2 | 56.0 | 65.8 | 76.3 | 90.1 | 86.1 | 74.2 | 59.3 | 46.1 | 32.6 | 62.3 |
| Year Lowest Occurred | 1984 | 1984 | 1962 | 1983 | 1977 | 1963 | 1987 | 1968 | 1965 | 1969 | 1985 | 1966 | 1984 |
| Mean Temperature (F) | 26.0 | 32.8 | 40.0 | 47.7 | 57.1 | 67.0 | 75.1 | 72.5 | 62.5 | 50.2 | 37.7 | 27.2 | 49.7 |
| Highest Mean Temperature (F) | 33.3 | 40.2 | 47.2 | 53.9 | 63.5 | 72.5 | 77.1 | 76.9 | 67.6 | 56.7 | 41.8 | 35.8 | 52.0 |
| Year Highest Occurred | 1969 | 1986 | 1986 | 1989 | 1969 | 1977 | 1989 | 1969 | 1969 | 1988 | 1981 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 16.4 | 21.7 | 34.1 | 41.1 | 52.0 | 61.4 | 72.0 | 68.7 | 56.4 | 45.0 | 32.9 | 19.1 | 46.9 |
| Year Lowest Occurred | 1984 | 1984 | 1964 | 1975 | 1965 | 1963 | 1987 | 1968 | 1965 | 1969 | 1961 | 1990 | 1984 |
| Mean Min. Temperature (F) | 12.3 | 18.5 | 24.8 | 31.4 | 39.8 | 48.6 | 55.6 | 53.3 | 43.4 | 32.5 | 23.0 | 13.7 | 33.1 |
| Highest Mean Min. Temperature (F) | 22.0 | 27.1 | 32.7 | 36.6 | 44.3 | 54.3 | 57.8 | 58.4 | 48.5 | 37.3 | 26.7 | 20.8 | 36.2 |
| Year Highest Occurred | 1981 | 1986 | 1978 | 1990 | 1969 | 1977 | 1985 | 1970 | 1969 | 1988 | 1987 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 3.3 | 7.8 | 16.3 | 26.2 | 35.2 | 43.7 | 52.4 | 48.3 | 36.2 | 27.5 | 17.8 | 3.4 | 30.5 |
| Year Lowest Occurred | 1963 | 1984 | 1965 | 1975 | 1975 | 1979 | 1962 | 1980 | 1964 | 1966 | 1964 | 1990 | 1964 |
| Mean Precipitation (in.) | 0.32 | 0.43 | 0.54 | 0.72 | 0.95 | 0.73 | 0.60 | 0.60 | 0.71 | 0.72 | 0.45 | 0.33 | 7.10 |
| Highest Precipitation (in.) | 1.07 | 1.92 | 1.35 | 1.67 | 4.24 | 3.29 | 2.66 | 2.27 | 4.58 | 2.57 | 1.60 | 1.46 | 12.21 |
| Year Highest Occurred | 1983 | 1969 | 1973 | 1971 | 1977 | 1963 | 1975 | 1983 | 1982 | 1981 | 1978 | 1966 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.82 |
| Year Lowest Occurred | 1989 | 1977 | 1972 | 1977 | 1963 | 1988 | 1964 | 1978 | 1987 | 1978 | 1977 | 1989 | 1966 |
| Heating Degree Days (F) | 1209. | 902. | 775. | 519. | 258. | 71. | 0. | 6. | 127. | 459. | 819. | 1172. | 6317. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 131. | 313. | 239. | 52. | 0. | 0. | 0. | 749. |