| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.8 | 38.7 | 48.0 | 60.2 | 70.9 | 81.8 | 90.0 | 88.4 | 77.7 | 64.9 | 47.3 | 35.2 | 61.3 |
| Highest Mean Max. Temperature (F) | 44.5 | 48.7 | 55.1 | 68.8 | 81.1 | 91.0 | 96.9 | 95.2 | 85.6 | 76.9 | 56.4 | 46.1 | 64.7 |
| Year Highest Occurred | 1990 | 1983 | 1986 | 1981 | 1985 | 1988 | 1974 | 1973 | 1979 | 1963 | 1963 | 1979 | 1987 |
| Lowest Mean Max. Temperature (F) | 17.1 | 23.8 | 35.6 | 50.9 | 62.7 | 73.1 | 83.3 | 81.5 | 63.5 | 52.9 | 27.1 | 14.6 | 58.7 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1983 | 1967 | 1967 | 1962 | 1977 | 1965 | 1969 | 1985 | 1983 | 1982 |
| Mean Temperature (F) | 20.0 | 25.1 | 33.9 | 45.6 | 56.8 | 67.1 | 74.5 | 72.0 | 60.8 | 48.1 | 33.2 | 22.1 | 46.6 |
| Highest Mean Temperature (F) | 30.2 | 34.0 | 42.7 | 52.3 | 63.6 | 75.6 | 79.8 | 78.3 | 66.6 | 58.9 | 39.0 | 31.1 | 49.5 |
| Year Highest Occurred | 1990 | 1976 | 1986 | 1981 | 1985 | 1988 | 1966 | 1983 | 1969 | 1963 | 1963 | 1979 | 1987 |
| Lowest Mean Temperature (F) | 4.9 | 13.0 | 21.7 | 37.6 | 50.6 | 61.6 | 68.3 | 67.1 | 51.1 | 41.1 | 16.1 | 2.6 | 44.2 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1967 | 1969 | 1972 | 1977 | 1965 | 1969 | 1985 | 1983 | 1972 |
| Mean Min. Temperature (F) | 7.1 | 11.5 | 19.8 | 31.0 | 42.7 | 52.3 | 59.0 | 55.5 | 43.8 | 31.2 | 19.1 | 8.8 | 31.8 |
| Highest Mean Min. Temperature (F) | 17.4 | 21.3 | 30.3 | 36.8 | 49.3 | 60.2 | 64.4 | 62.3 | 49.1 | 40.8 | 24.2 | 18.4 | 34.6 |
| Year Highest Occurred | 1983 | 1976 | 1986 | 1969 | 1977 | 1988 | 1966 | 1983 | 1969 | 1963 | 1987 | 1965 | 1986 |
| Lowest Mean Min. Temperature (F) | -7.4 | 0.7 | 7.7 | 24.3 | 36.3 | 46.6 | 51.9 | 51.3 | 36.9 | 25.0 | 5.0 | -9.5 | 28.8 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1989 | 1972 | 1964 | 1974 | 1990 | 1985 | 1983 | 1972 |
| Mean Precipitation (in.) | 0.23 | 0.34 | 0.91 | 1.67 | 2.82 | 2.99 | 2.60 | 1.38 | 1.16 | 0.99 | 0.43 | 0.37 | 15.89 |
| Highest Precipitation (in.) | 1.37 | 1.60 | 3.63 | 3.67 | 8.41 | 9.21 | 4.92 | 3.69 | 3.87 | 2.87 | 1.84 | 1.78 | 25.57 |
| Year Highest Occurred | 1971 | 1987 | 1977 | 1986 | 1965 | 1964 | 1982 | 1978 | 1986 | 1982 | 1985 | 1967 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.10 | 0.20 | 0.35 | 0.22 | 0.66 | 0.34 | 0.09 | 0.15 | 0.00 | 0.00 | 10.13 |
| Year Lowest Occurred | 1987 | 1977 | 1978 | 1987 | 1966 | 1978 | 1971 | 1970 | 1975 | 1964 | 1963 | 1986 | 1974 |
| Heating Degree Days (F) | 1395. | 1117. | 964. | 582. | 273. | 65. | 10. | 22. | 179. | 524. | 954. | 1330. | 7415. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 19. | 128. | 305. | 239. | 53. | 0. | 0. | 0. | 744. |