| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.7 | 42.8 | 49.4 | 58.6 | 69.0 | 79.5 | 88.6 | 86.4 | 76.6 | 63.8 | 48.1 | 38.3 | 61.6 |
| Highest Mean Max. Temperature (F) | 46.2 | 51.7 | 56.8 | 67.5 | 76.9 | 88.3 | 93.4 | 91.4 | 83.0 | 71.6 | 55.5 | 44.3 | 64.8 |
| Year Highest Occurred | 1961 | 1963 | 1972 | 1987 | 1969 | 1961 | 1964 | 1963 | 1962 | 1988 | 1965 | 1962 | 1962 |
| Lowest Mean Max. Temperature (F) | 30.0 | 34.6 | 42.3 | 48.8 | 63.1 | 72.0 | 84.5 | 78.8 | 69.0 | 54.6 | 41.3 | 32.0 | 57.7 |
| Year Lowest Occurred | 1984 | 1989 | 1964 | 1975 | 1983 | 1969 | 1982 | 1968 | 1986 | 1984 | 1985 | 1985 | 1984 |
| Mean Temperature (F) | 25.4 | 29.7 | 36.3 | 44.5 | 53.4 | 62.1 | 70.1 | 68.3 | 59.2 | 48.3 | 36.1 | 26.7 | 46.7 |
| Highest Mean Temperature (F) | 31.5 | 35.3 | 43.6 | 50.7 | 58.8 | 68.0 | 73.0 | 71.6 | 66.1 | 54.7 | 41.8 | 32.8 | 48.7 |
| Year Highest Occurred | 1983 | 1986 | 1986 | 1987 | 1969 | 1988 | 1989 | 1963 | 1990 | 1988 | 1965 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 18.9 | 22.2 | 27.8 | 38.1 | 48.8 | 57.7 | 66.9 | 63.5 | 53.3 | 42.4 | 30.4 | 19.5 | 44.4 |
| Year Lowest Occurred | 1979 | 1964 | 1964 | 1975 | 1975 | 1975 | 1965 | 1965 | 1965 | 1984 | 1979 | 1990 | 1964 |
| Mean Min. Temperature (F) | 13.1 | 16.6 | 23.1 | 30.3 | 37.7 | 44.6 | 51.5 | 50.1 | 41.9 | 32.7 | 24.1 | 15.1 | 31.7 |
| Highest Mean Min. Temperature (F) | 21.1 | 25.1 | 30.5 | 36.1 | 41.7 | 48.9 | 54.5 | 54.9 | 49.3 | 37.7 | 28.9 | 22.6 | 34.8 |
| Year Highest Occurred | 1983 | 1986 | 1986 | 1989 | 1985 | 1988 | 1990 | 1983 | 1990 | 1988 | 1970 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 6.4 | 5.3 | 13.3 | 25.8 | 32.5 | 39.9 | 47.3 | 44.1 | 36.1 | 26.7 | 19.0 | 6.4 | 27.4 |
| Year Lowest Occurred | 1964 | 1964 | 1964 | 1970 | 1965 | 1966 | 1962 | 1962 | 1964 | 1966 | 1979 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.84 | 1.85 | 2.52 | 2.60 | 2.43 | 1.51 | 1.07 | 1.24 | 2.04 | 2.44 | 2.19 | 2.39 | 24.12 |
| Highest Precipitation (in.) | 4.52 | 4.19 | 5.79 | 6.86 | 5.73 | 4.34 | 3.15 | 4.94 | 8.71 | 5.45 | 4.74 | 8.68 | 38.51 |
| Year Highest Occurred | 1965 | 1968 | 1983 | 1963 | 1981 | 1969 | 1965 | 1968 | 1982 | 1981 | 1983 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.43 | 0.53 | 0.42 | 0.35 | 0.10 | 0.00 | 0.06 | 0.01 | 0.00 | 0.08 | 0.07 | 14.18 |
| Year Lowest Occurred | 1961 | 1964 | 1969 | 1987 | 1969 | 1961 | 1972 | 1985 | 1979 | 1978 | 1976 | 1976 | 1979 |
| Heating Degree Days (F) | 1228. | 988. | 890. | 615. | 360. | 134. | 0. | 27. | 203. | 518. | 867. | 1187. | 7017. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 47. | 163. | 129. | 29. | 0. | 0. | 0. | 368. |