| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.0 | 44.6 | 50.2 | 59.4 | 68.4 | 76.9 | 86.0 | 84.1 | 76.1 | 64.8 | 48.5 | 38.6 | 61.3 |
| Highest Mean Max. Temperature (F) | 44.0 | 52.2 | 59.2 | 69.6 | 76.5 | 84.2 | 93.2 | 90.2 | 83.8 | 75.3 | 56.4 | 46.1 | 64.3 |
| Year Highest Occurred | 1971 | 1963 | 1972 | 1987 | 1972 | 1974 | 1968 | 1967 | 1974 | 1988 | 1976 | 1989 | 1968 |
| Lowest Mean Max. Temperature (F) | 27.9 | 35.0 | 43.4 | 48.9 | 60.0 | 70.8 | 80.0 | 75.6 | 65.5 | 51.8 | 40.0 | 26.6 | 57.1 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1984 | 1983 | 1976 | 1986 | 1984 | 1985 | 1972 | 1984 |
| Mean Temperature (F) | 28.0 | 33.7 | 38.2 | 44.8 | 52.5 | 60.5 | 67.3 | 65.1 | 56.8 | 47.2 | 36.7 | 28.5 | 46.6 |
| Highest Mean Temperature (F) | 33.7 | 40.9 | 45.0 | 51.8 | 58.2 | 65.7 | 72.0 | 69.6 | 61.7 | 54.1 | 41.2 | 34.8 | 48.6 |
| Year Highest Occurred | 1978 | 1963 | 1972 | 1989 | 1969 | 1961 | 1985 | 1971 | 1963 | 1988 | 1986 | 1973 | 1968 |
| Lowest Mean Temperature (F) | 18.2 | 22.3 | 31.5 | 38.0 | 47.5 | 55.3 | 63.2 | 60.7 | 50.4 | 40.8 | 26.1 | 15.0 | 43.1 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1980 | 1963 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 17.9 | 22.7 | 26.1 | 30.1 | 36.6 | 44.0 | 48.4 | 46.1 | 37.4 | 29.5 | 25.0 | 18.3 | 31.8 |
| Highest Mean Min. Temperature (F) | 26.5 | 29.6 | 32.1 | 38.7 | 40.5 | 50.0 | 52.8 | 51.3 | 44.4 | 34.6 | 29.6 | 26.9 | 33.8 |
| Year Highest Occurred | 1978 | 1963 | 1983 | 1989 | 1963 | 1989 | 1985 | 1961 | 1963 | 1979 | 1968 | 1973 | 1981 |
| Lowest Mean Min. Temperature (F) | 7.0 | 9.6 | 19.5 | 25.6 | 33.4 | 39.4 | 45.3 | 41.9 | 32.6 | 25.8 | 12.1 | 2.4 | 27.9 |
| Year Lowest Occurred | 1977 | 1989 | 1976 | 1970 | 1964 | 1980 | 1962 | 1974 | 1971 | 1978 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 0.95 | 0.76 | 0.88 | 0.71 | 1.14 | 0.93 | 0.47 | 0.73 | 0.57 | 0.76 | 1.21 | 1.13 | 10.24 |
| Highest Precipitation (in.) | 3.22 | 3.32 | 3.11 | 2.54 | 2.99 | 2.34 | 1.53 | 4.64 | 1.64 | 2.62 | 2.78 | 4.24 | 17.17 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1978 | 1971 | 1964 | 1987 | 1976 | 1976 | 1962 | 1966 | 1981 | 1983 |
| Lowest Precipitation (in.) | 0.12 | 0.00 | 0.01 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 4.74 |
| Year Lowest Occurred | 1974 | 1964 | 1977 | 1977 | 1975 | 1974 | 1972 | 1970 | 1975 | 1988 | 1974 | 1976 | 1974 |
| Heating Degree Days (F) | 1147. | 876. | 831. | 606. | 388. | 168. | 46. | 81. | 265. | 552. | 849. | 1132. | 6941. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 33. | 118. | 84. | 19. | 0. | 0. | 0. | 254. |