| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 28.6 | 37.3 | 51.4 | 63.8 | 74.1 | 84.0 | 91.2 | 88.7 | 78.9 | 66.1 | 48.0 | 32.3 | 62.0 |
| Highest Mean Max. Temperature (F) | 45.5 | 52.9 | 62.2 | 71.3 | 80.5 | 90.8 | 95.7 | 92.3 | 86.3 | 74.3 | 57.0 | 47.2 | 66.1 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1989 | 1969 | 1961 | 1964 | 1969 | 1979 | 1988 | 1962 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 13.5 | 22.1 | 42.7 | 55.3 | 67.8 | 76.6 | 86.6 | 81.5 | 71.4 | 55.7 | 36.9 | 15.9 | 57.4 |
| Year Lowest Occurred | 1979 | 1984 | 1969 | 1983 | 1975 | 1967 | 1986 | 1968 | 1965 | 1969 | 1971 | 1978 | 1984 |
| Mean Temperature (F) | 14.9 | 22.9 | 36.4 | 47.1 | 56.7 | 65.3 | 72.1 | 69.4 | 59.8 | 48.1 | 33.8 | 19.5 | 45.5 |
| Highest Mean Temperature (F) | 28.7 | 34.0 | 45.4 | 53.2 | 61.7 | 70.1 | 74.9 | 73.4 | 65.7 | 54.5 | 40.0 | 31.5 | 49.8 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1990 | 1969 | 1961 | 1964 | 1983 | 1990 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 0.7 | 8.0 | 28.0 | 41.0 | 51.9 | 59.8 | 69.7 | 64.4 | 53.3 | 41.5 | 25.9 | 5.3 | 41.7 |
| Year Lowest Occurred | 1973 | 1985 | 1969 | 1970 | 1975 | 1975 | 1973 | 1968 | 1965 | 1969 | 1971 | 1978 | 1973 |
| Mean Min. Temperature (F) | 1.1 | 8.4 | 21.3 | 30.3 | 39.2 | 46.5 | 52.9 | 49.9 | 40.8 | 30.0 | 19.5 | 6.5 | 28.9 |
| Highest Mean Min. Temperature (F) | 14.1 | 21.0 | 29.5 | 35.7 | 43.2 | 51.3 | 56.2 | 56.9 | 47.6 | 35.7 | 24.5 | 16.8 | 33.5 |
| Year Highest Occurred | 1980 | 1986 | 1986 | 1990 | 1987 | 1972 | 1984 | 1983 | 1982 | 1963 | 1965 | 1981 | 1981 |
| Lowest Mean Min. Temperature (F) | -12.3 | -7.4 | 13.0 | 23.8 | 35.9 | 41.2 | 50.4 | 44.9 | 35.0 | 24.7 | 13.5 | -5.3 | 25.8 |
| Year Lowest Occurred | 1973 | 1985 | 1965 | 1970 | 1975 | 1975 | 1979 | 1975 | 1970 | 1976 | 1964 | 1978 | 1973 |
| Mean Precipitation (in.) | 0.46 | 0.52 | 0.61 | 0.72 | 0.77 | 0.64 | 0.66 | 0.59 | 0.91 | 1.02 | 0.59 | 0.63 | 8.12 |
| Highest Precipitation (in.) | 1.51 | 1.85 | 2.44 | 1.77 | 2.33 | 2.72 | 2.38 | 1.84 | 3.05 | 3.78 | 1.46 | 1.96 | 11.92 |
| Year Highest Occurred | 1978 | 1969 | 1979 | 1986 | 1975 | 1970 | 1985 | 1963 | 1982 | 1981 | 1983 | 1966 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.01 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 | 3.80 |
| Year Lowest Occurred | 1976 | 1988 | 1972 | 1989 | 1974 | 1980 | 1971 | 1971 | 1979 | 1988 | 1976 | 1976 | 1989 |
| Heating Degree Days (F) | 1553. | 1179. | 887. | 537. | 263. | 76. | 0. | 19. | 185. | 524. | 936. | 1411. | 7570. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 85. | 220. | 155. | 29. | 0. | 0. | 0. | 495. |