| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.5 | 43.3 | 48.5 | 57.1 | 64.9 | 72.8 | 72.1 | 70.1 | 66.1 | 59.1 | 48.9 | 42.9 | 57.3 |
| Highest Mean Max. Temperature (F) | 47.4 | 49.1 | 57.0 | 64.6 | 70.4 | 79.4 | 77.5 | 77.8 | 72.3 | 64.1 | 54.0 | 51.2 | 59.6 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1989 | 1974 | 1980 | 1969 | 1969 | 1977 | 1979 | 1966 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 33.7 | 36.1 | 42.7 | 48.1 | 59.0 | 68.1 | 68.1 | 65.8 | 58.8 | 50.0 | 43.8 | 37.4 | 55.4 |
| Year Lowest Occurred | 1979 | 1966 | 1969 | 1983 | 1987 | 1966 | 1990 | 1984 | 1964 | 1984 | 1972 | 1967 | 1964 |
| Mean Temperature (F) | 30.5 | 32.2 | 36.6 | 44.4 | 51.6 | 59.5 | 60.4 | 58.7 | 54.5 | 46.8 | 37.5 | 32.3 | 45.4 |
| Highest Mean Temperature (F) | 37.7 | 38.4 | 45.6 | 50.3 | 57.2 | 66.8 | 64.5 | 63.3 | 59.8 | 51.3 | 42.3 | 40.6 | 47.6 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1989 | 1974 | 1980 | 1980 | 1977 | 1977 | 1988 | 1981 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 24.9 | 19.7 | 29.3 | 37.7 | 47.0 | 53.0 | 56.7 | 55.7 | 49.3 | 40.2 | 33.1 | 25.7 | 41.6 |
| Year Lowest Occurred | 1966 | 1966 | 1969 | 1983 | 1965 | 1964 | 1964 | 1967 | 1964 | 1970 | 1961 | 1967 | 1966 |
| Mean Min. Temperature (F) | 19.5 | 21.0 | 24.7 | 31.6 | 38.2 | 46.2 | 48.7 | 47.1 | 43.0 | 34.5 | 26.1 | 21.6 | 33.5 |
| Highest Mean Min. Temperature (F) | 27.9 | 27.7 | 34.1 | 37.9 | 44.3 | 54.2 | 53.2 | 51.0 | 47.6 | 39.2 | 32.1 | 29.9 | 37.1 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1986 | 1984 | 1990 | 1978 | 1977 | 1983 | 1987 | 1981 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 8.8 | 3.3 | 10.1 | 24.9 | 30.3 | 35.9 | 42.1 | 41.9 | 34.9 | 28.2 | 20.3 | 12.7 | 26.5 |
| Year Lowest Occurred | 1966 | 1966 | 1966 | 1966 | 1965 | 1964 | 1964 | 1966 | 1968 | 1964 | 1964 | 1968 | 1966 |
| Mean Precipitation (in.) | 1.59 | 1.41 | 1.45 | 0.53 | 0.98 | 1.96 | 4.41 | 5.00 | 3.31 | 1.75 | 1.33 | 1.95 | 25.67 |
| Highest Precipitation (in.) | 3.84 | 2.90 | 5.07 | 1.59 | 4.52 | 6.72 | 9.61 | 10.94 | 7.00 | 7.53 | 5.17 | 6.50 | 40.13 |
| Year Highest Occurred | 1982 | 1965 | 1973 | 1985 | 1987 | 1986 | 1962 | 1984 | 1980 | 1985 | 1986 | 1984 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.74 | 2.19 | 0.34 | 0.00 | 0.05 | 0.15 | 11.15 |
| Year Lowest Occurred | 1967 | 1961 | 1972 | 1989 | 1966 | 1976 | 1987 | 1962 | 1973 | 1966 | 1970 | 1976 | 1989 |
| Heating Degree Days (F) | 1070. | 918. | 880. | 618. | 415. | 204. | 157. | 202. | 315. | 564. | 825. | 1014. | 7182. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 39. | 14. | 6. | 0. | 0. | 0. | 0. | 59. |