| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.2 | 54.8 | 59.2 | 67.7 | 76.5 | 86.6 | 89.5 | 86.9 | 81.8 | 72.4 | 60.2 | 51.8 | 69.9 |
| Highest Mean Max. Temperature (F) | 60.1 | 61.3 | 72.8 | 78.1 | 84.7 | 93.2 | 94.9 | 91.9 | 92.9 | 82.5 | 66.5 | 60.6 | 73.1 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1979 | 1962 | 1979 | 1979 | 1980 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 41.9 | 48.7 | 47.8 | 59.2 | 70.7 | 78.7 | 85.7 | 83.0 | 75.4 | 64.4 | 51.9 | 44.1 | 67.9 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1965 | 1965 | 1986 | 1968 | 1986 | 1972 | 1972 | 1967 | 1965 |
| Mean Temperature (F) | 39.3 | 42.0 | 45.7 | 52.5 | 60.5 | 69.5 | 74.3 | 72.3 | 66.8 | 57.4 | 47.2 | 40.1 | 55.6 |
| Highest Mean Temperature (F) | 46.8 | 47.0 | 55.3 | 60.3 | 66.9 | 74.9 | 76.9 | 75.9 | 70.6 | 62.6 | 50.5 | 47.5 | 57.9 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1963 | 1969 | 1979 | 1988 | 1980 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 31.5 | 35.6 | 38.3 | 46.1 | 56.0 | 63.1 | 71.3 | 69.3 | 62.6 | 51.9 | 42.2 | 33.6 | 54.1 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1987 | 1968 | 1986 | 1984 | 1972 | 1967 | 1975 |
| Mean Min. Temperature (F) | 27.3 | 29.1 | 32.1 | 37.2 | 44.5 | 52.3 | 59.2 | 57.7 | 51.8 | 42.3 | 34.0 | 28.3 | 41.3 |
| Highest Mean Min. Temperature (F) | 33.6 | 33.8 | 37.8 | 42.4 | 49.0 | 56.6 | 61.1 | 60.9 | 56.1 | 47.2 | 38.1 | 34.3 | 43.1 |
| Year Highest Occurred | 1969 | 1968 | 1972 | 1989 | 1984 | 1974 | 1964 | 1969 | 1983 | 1988 | 1965 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 21.1 | 22.5 | 26.8 | 32.9 | 39.2 | 46.8 | 54.7 | 52.8 | 44.9 | 30.6 | 25.3 | 23.1 | 38.0 |
| Year Lowest Occurred | 1979 | 1966 | 1969 | 1975 | 1980 | 1982 | 1987 | 1980 | 1978 | 1978 | 1979 | 1967 | 1979 |
| Mean Precipitation (in.) | 2.81 | 2.86 | 3.35 | 1.99 | 0.91 | 0.48 | 2.44 | 2.61 | 2.37 | 2.02 | 2.53 | 3.00 | 27.37 |
| Highest Precipitation (in.) | 10.55 | 13.94 | 11.97 | 8.08 | 3.32 | 2.11 | 5.17 | 7.28 | 6.48 | 14.74 | 8.46 | 10.68 | 54.85 |
| Year Highest Occurred | 1979 | 1980 | 1978 | 1965 | 1979 | 1972 | 1975 | 1963 | 1965 | 1972 | 1965 | 1966 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.53 | 0.03 | 0.00 | 0.00 | 0.11 | 12.85 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1989 | 1974 | 1982 | 1963 | 1975 | 1973 | 1973 | 1989 | 1985 | 1989 |
| Heating Degree Days (F) | 797. | 644. | 598. | 383. | 166. | 25. | 0. | 0. | 40. | 255. | 534. | 772. | 4214. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 26. | 160. | 288. | 226. | 94. | 19. | 0. | 0. | 821. |