| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.1 | 45.1 | 53.1 | 61.5 | 70.5 | 79.5 | 88.1 | 87.0 | 77.0 | 64.0 | 47.0 | 37.7 | 62.3 |
| Highest Mean Max. Temperature (F) | 46.0 | 50.6 | 58.0 | 69.9 | 75.9 | 86.1 | 96.4 | 94.2 | 86.3 | 72.3 | 52.1 | 45.5 | 65.2 |
| Year Highest Occurred | 1983 | 1983 | 1968 | 1977 | 1985 | 1977 | 1985 | 1967 | 1990 | 1988 | 1981 | 1979 | 1987 |
| Lowest Mean Max. Temperature (F) | 21.3 | 33.5 | 47.4 | 54.8 | 63.5 | 70.3 | 82.0 | 81.1 | 69.8 | 59.5 | 32.1 | 23.4 | 59.5 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1962 | 1971 | 1986 | 1964 | 1985 | 1971 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 30.6 | 36.9 | 42.3 | 48.5 | 55.6 | 63.4 | 69.8 | 69.1 | 60.5 | 49.7 | 38.9 | 31.3 | 49.7 |
| Highest Mean Temperature (F) | 38.2 | 42.1 | 46.6 | 54.1 | 59.7 | 69.1 | 75.6 | 73.8 | 66.5 | 55.7 | 43.3 | 38.6 | 51.5 |
| Year Highest Occurred | 1983 | 1961 | 1986 | 1987 | 1987 | 1977 | 1985 | 1977 | 1990 | 1988 | 1965 | 1966 | 1987 |
| Lowest Mean Temperature (F) | 14.1 | 24.7 | 38.4 | 43.3 | 51.8 | 57.8 | 65.5 | 64.7 | 55.4 | 45.2 | 24.0 | 17.7 | 46.6 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1967 | 1984 | 1971 | 1986 | 1980 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 24.0 | 28.6 | 31.4 | 35.5 | 40.6 | 47.3 | 51.5 | 51.1 | 43.8 | 35.3 | 30.7 | 24.9 | 37.1 |
| Highest Mean Min. Temperature (F) | 32.3 | 36.1 | 36.0 | 40.9 | 44.4 | 52.1 | 58.5 | 55.9 | 49.0 | 39.3 | 35.3 | 33.7 | 38.3 |
| Year Highest Occurred | 1967 | 1961 | 1986 | 1978 | 1979 | 1977 | 1975 | 1977 | 1963 | 1963 | 1962 | 1966 | 1978 |
| Lowest Mean Min. Temperature (F) | 6.8 | 15.8 | 25.4 | 30.2 | 36.9 | 42.5 | 47.7 | 45.3 | 39.6 | 30.5 | 15.8 | 11.9 | 33.7 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1982 | 1984 | 1980 | 1984 | 1980 | 1974 | 1984 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.74 | 1.43 | 1.43 | 1.09 | 1.05 | 0.83 | 0.46 | 0.50 | 0.62 | 0.92 | 1.80 | 2.12 | 13.99 |
| Highest Precipitation (in.) | 4.80 | 3.20 | 3.95 | 3.47 | 3.11 | 1.80 | 1.53 | 1.71 | 1.81 | 2.41 | 4.12 | 4.50 | 19.94 |
| Year Highest Occurred | 1970 | 1961 | 1989 | 1982 | 1980 | 1964 | 1975 | 1976 | 1968 | 1990 | 1973 | 1973 | 1982 |
| Lowest Precipitation (in.) | 0.44 | 0.34 | 0.06 | 0.11 | 0.24 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.58 | 9.70 |
| Year Lowest Occurred | 1985 | 1988 | 1965 | 1977 | 1964 | 1986 | 1985 | 1988 | 1987 | 1978 | 1976 | 1989 | 1987 |
| Heating Degree Days (F) | 1066. | 787. | 704. | 495. | 291. | 117. | 24. | 31. | 183. | 474. | 783. | 1045. | 6000. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 69. | 173. | 158. | 48. | 0. | 0. | 0. | 448. |