| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.6 | 42.6 | 48.2 | 59.1 | 68.6 | 79.6 | 87.7 | 85.5 | 75.6 | 64.2 | 48.9 | 39.5 | 61.4 |
| Highest Mean Max. Temperature (F) | 47.2 | 50.7 | 57.9 | 66.4 | 74.7 | 85.6 | 92.5 | 90.1 | 81.8 | 72.5 | 55.8 | 49.4 | 64.3 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1981 | 1966 | 1988 | 1980 | 1973 | 1990 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 23.3 | 30.0 | 37.4 | 48.6 | 61.5 | 71.8 | 82.5 | 80.7 | 63.6 | 49.5 | 33.4 | 24.1 | 58.3 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1983 | 1983 | 1983 | 1972 | 1966 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Temperature (F) | 24.1 | 28.7 | 34.0 | 44.0 | 54.0 | 64.6 | 71.8 | 69.7 | 59.5 | 47.9 | 34.7 | 25.9 | 46.6 |
| Highest Mean Temperature (F) | 32.6 | 35.8 | 42.7 | 51.6 | 58.5 | 70.0 | 75.6 | 73.5 | 65.1 | 56.3 | 41.2 | 34.5 | 49.6 |
| Year Highest Occurred | 1983 | 1976 | 1986 | 1981 | 1977 | 1988 | 1964 | 1984 | 1963 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 13.2 | 19.0 | 22.5 | 36.7 | 48.6 | 58.8 | 67.3 | 65.5 | 50.8 | 38.5 | 22.7 | 14.3 | 44.7 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1969 | 1972 | 1974 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Min. Temperature (F) | 10.4 | 14.8 | 19.8 | 28.8 | 39.3 | 49.6 | 56.0 | 53.8 | 43.3 | 31.6 | 20.4 | 12.3 | 31.7 |
| Highest Mean Min. Temperature (F) | 21.8 | 21.9 | 27.6 | 36.8 | 44.2 | 54.4 | 59.7 | 58.1 | 50.2 | 40.0 | 26.6 | 19.5 | 34.9 |
| Year Highest Occurred | 1983 | 1976 | 1986 | 1981 | 1987 | 1977 | 1966 | 1982 | 1963 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 1.2 | 6.3 | 7.6 | 24.0 | 35.7 | 44.9 | 51.9 | 48.8 | 37.2 | 26.8 | 12.0 | 4.5 | 29.7 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1966 | 1983 | 1969 | 1971 | 1974 | 1974 | 1976 | 1985 | 1983 | 1970 |
| Mean Precipitation (in.) | 0.42 | 0.37 | 1.33 | 1.88 | 3.70 | 3.40 | 2.70 | 2.01 | 1.26 | 0.91 | 0.55 | 0.48 | 19.01 |
| Highest Precipitation (in.) | 1.54 | 1.52 | 4.50 | 4.43 | 6.58 | 10.51 | 5.80 | 7.47 | 4.35 | 4.29 | 1.96 | 1.39 | 27.53 |
| Year Highest Occurred | 1963 | 1987 | 1979 | 1977 | 1988 | 1965 | 1982 | 1968 | 1973 | 1969 | 1983 | 1973 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.01 | 0.07 | 0.21 | 0.19 | 0.77 | 0.69 | 0.08 | 0.08 | 0.03 | 0.03 | 0.00 | 10.66 |
| Year Lowest Occurred | 1961 | 1983 | 1972 | 1962 | 1966 | 1989 | 1988 | 1970 | 1977 | 1988 | 1964 | 1976 | 1964 |
| Heating Degree Days (F) | 1268. | 1016. | 961. | 630. | 347. | 93. | 7. | 18. | 203. | 530. | 909. | 1212. | 7194. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 81. | 218. | 163. | 38. | 0. | 0. | 0. | 506. |