| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.6 | 42.0 | 52.3 | 60.0 | 68.6 | 76.2 | 83.4 | 83.3 | 74.5 | 61.9 | 44.7 | 34.1 | 59.6 |
| Highest Mean Max. Temperature (F) | 42.3 | 48.3 | 57.6 | 66.6 | 74.0 | 82.7 | 92.4 | 90.7 | 82.1 | 69.0 | 50.2 | 40.6 | 62.1 |
| Year Highest Occurred | 1967 | 1968 | 1981 | 1977 | 1969 | 1961 | 1985 | 1967 | 1967 | 1988 | 1990 | 1974 | 1967 |
| Lowest Mean Max. Temperature (F) | 22.4 | 31.8 | 45.9 | 54.0 | 62.4 | 71.0 | 77.3 | 77.1 | 67.8 | 57.2 | 30.9 | 21.3 | 56.6 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1984 | 1981 | 1986 | 1964 | 1985 | 1968 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 25.7 | 32.7 | 40.3 | 47.0 | 55.0 | 62.5 | 68.1 | 67.6 | 58.7 | 47.3 | 35.8 | 26.7 | 47.3 |
| Highest Mean Temperature (F) | 35.8 | 37.8 | 43.9 | 52.0 | 58.2 | 67.6 | 73.2 | 72.5 | 64.5 | 52.7 | 40.3 | 33.8 | 49.5 |
| Year Highest Occurred | 1981 | 1967 | 1983 | 1977 | 1969 | 1969 | 1985 | 1961 | 1967 | 1988 | 1989 | 1962 | 1967 |
| Lowest Mean Temperature (F) | 12.9 | 22.2 | 35.2 | 42.3 | 50.3 | 58.3 | 63.3 | 63.4 | 54.1 | 43.3 | 20.8 | 14.4 | 43.8 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1970 | 1984 | 1981 | 1983 | 1964 | 1985 | 1984 | 1985 | 1983 | 1985 |
| Mean Min. Temperature (F) | 17.8 | 23.4 | 28.3 | 33.9 | 41.3 | 48.7 | 52.7 | 51.8 | 42.8 | 32.8 | 26.8 | 19.2 | 35.0 |
| Highest Mean Min. Temperature (F) | 30.8 | 29.2 | 32.4 | 37.8 | 45.0 | 54.2 | 58.5 | 55.6 | 47.8 | 37.8 | 32.0 | 27.7 | 36.9 |
| Year Highest Occurred | 1981 | 1961 | 1986 | 1990 | 1971 | 1969 | 1975 | 1977 | 1966 | 1963 | 1989 | 1962 | 1967 |
| Lowest Mean Min. Temperature (F) | 3.4 | 12.6 | 24.5 | 28.1 | 38.0 | 45.4 | 48.6 | 49.0 | 38.3 | 28.3 | 10.6 | 4.1 | 31.0 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1982 | 1970 | 1976 | 1972 | 1985 | 1972 | 1983 | 1985 | 1983 | 1985 |
| Mean Precipitation (in.) | 1.25 | 0.89 | 0.72 | 0.57 | 0.55 | 0.54 | 0.25 | 0.40 | 0.49 | 0.56 | 1.21 | 1.51 | 8.94 |
| Highest Precipitation (in.) | 4.39 | 2.19 | 3.40 | 2.15 | 1.68 | 1.69 | 1.28 | 2.11 | 1.81 | 1.84 | 3.47 | 3.16 | 12.99 |
| Year Highest Occurred | 1970 | 1961 | 1971 | 1963 | 1962 | 1984 | 1966 | 1990 | 1986 | 1962 | 1973 | 1987 | 1971 |
| Lowest Precipitation (in.) | 0.12 | 0.00 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.07 | 4.68 |
| Year Lowest Occurred | 1985 | 1988 | 1964 | 1966 | 1979 | 1968 | 1988 | 1974 | 1989 | 1972 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 1218. | 904. | 766. | 540. | 310. | 126. | 30. | 50. | 214. | 549. | 876. | 1187. | 6770. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 51. | 126. | 131. | 25. | 0. | 0. | 0. | 333. |