| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 49.1 | 52.1 | 59.2 | 68.8 | 77.1 | 86.8 | 92.0 | 89.1 | 81.5 | 72.7 | 59.5 | 49.5 | 69.8 |
| Highest Mean Max. Temperature (F) | 60.1 | 59.4 | 70.2 | 76.3 | 86.1 | 93.7 | 100.6 | 94.6 | 86.3 | 79.2 | 67.2 | 59.0 | 72.1 |
| Year Highest Occurred | 1986 | 1972 | 1967 | 1981 | 1974 | 1990 | 1980 | 1983 | 1983 | 1967 | 1965 | 1980 | 1967 |
| Lowest Mean Max. Temperature (F) | 36.5 | 38.8 | 45.9 | 60.4 | 71.5 | 78.3 | 88.1 | 83.7 | 77.8 | 63.0 | 49.3 | 36.1 | 67.3 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1983 | 1980 | 1989 | 1967 | 1981 | 1974 | 1984 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 32.4 | 36.0 | 43.0 | 53.4 | 62.3 | 71.9 | 77.5 | 75.2 | 66.7 | 55.7 | 43.3 | 33.7 | 54.3 |
| Highest Mean Temperature (F) | 41.7 | 41.3 | 50.0 | 59.3 | 67.4 | 76.8 | 83.9 | 79.8 | 71.4 | 62.5 | 48.5 | 40.8 | 56.8 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1974 | 1990 | 1980 | 1983 | 1983 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 22.5 | 27.1 | 32.6 | 47.0 | 58.1 | 66.7 | 74.8 | 71.1 | 62.7 | 49.1 | 36.0 | 24.0 | 52.6 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1983 | 1983 | 1989 | 1967 | 1974 | 1971 | 1970 | 1972 | 1983 | 1961 |
| Mean Min. Temperature (F) | 15.6 | 19.9 | 26.7 | 38.0 | 47.4 | 57.0 | 63.1 | 61.1 | 52.0 | 38.6 | 27.1 | 17.8 | 38.7 |
| Highest Mean Min. Temperature (F) | 23.2 | 28.9 | 34.4 | 42.2 | 50.9 | 60.3 | 67.2 | 64.9 | 57.5 | 46.0 | 34.2 | 25.0 | 42.0 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1981 | 1989 | 1981 | 1980 | 1983 | 1990 | 1963 | 1981 | 1984 | 1981 |
| Lowest Mean Min. Temperature (F) | 4.6 | 15.3 | 18.1 | 32.7 | 43.2 | 53.9 | 60.6 | 56.2 | 46.0 | 31.8 | 20.6 | 11.8 | 36.6 |
| Year Lowest Occurred | 1963 | 1978 | 1965 | 1961 | 1967 | 1969 | 1973 | 1967 | 1971 | 1970 | 1976 | 1983 | 1967 |
| Mean Precipitation (in.) | 0.28 | 0.35 | 0.78 | 1.21 | 2.49 | 2.16 | 3.34 | 2.64 | 1.85 | 0.95 | 0.61 | 0.30 | 16.96 |
| Highest Precipitation (in.) | 1.05 | 1.75 | 2.82 | 4.24 | 5.49 | 5.43 | 6.13 | 6.52 | 4.82 | 6.37 | 2.04 | 1.16 | 28.05 |
| Year Highest Occurred | 1974 | 1987 | 1973 | 1977 | 1978 | 1989 | 1982 | 1966 | 1988 | 1965 | 1986 | 1973 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.06 | 0.00 | 0.24 | 0.45 | 0.31 | 0.52 | 0.04 | 0.00 | 0.00 | 0.00 | 10.14 |
| Year Lowest Occurred | 1982 | 1981 | 1964 | 1974 | 1974 | 1968 | 1983 | 1983 | 1982 | 1975 | 1989 | 1976 | 1962 |
| Heating Degree Days (F) | 1011. | 812. | 682. | 356. | 124. | 12. | 0. | 0. | 49. | 299. | 651. | 970. | 4966. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 40. | 219. | 388. | 319. | 100. | 11. | 0. | 0. | 1085. |