| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 31.0 | 35.3 | 43.3 | 54.6 | 64.5 | 74.8 | 82.8 | 81.4 | 70.9 | 59.0 | 42.8 | 32.3 | 56.1 |
| Highest Mean Max. Temperature (F) | 43.1 | 40.9 | 52.9 | 64.0 | 71.7 | 85.9 | 88.2 | 88.4 | 78.1 | 68.5 | 50.9 | 39.7 | 59.9 |
| Year Highest Occurred | 1981 | 1983 | 1986 | 1987 | 1985 | 1988 | 1988 | 1969 | 1990 | 1963 | 1990 | 1965 | 1988 |
| Lowest Mean Max. Temperature (F) | 18.8 | 23.7 | 31.0 | 45.5 | 58.7 | 68.4 | 76.4 | 75.3 | 55.2 | 49.2 | 28.0 | 18.0 | 53.6 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1967 | 1969 | 1972 | 1974 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Temperature (F) | 20.2 | 24.5 | 31.9 | 42.3 | 52.0 | 61.8 | 69.0 | 67.3 | 57.1 | 46.2 | 32.2 | 22.3 | 43.9 |
| Highest Mean Temperature (F) | 32.4 | 30.8 | 40.9 | 49.2 | 57.7 | 71.5 | 72.8 | 74.1 | 63.7 | 54.6 | 38.7 | 29.6 | 46.9 |
| Year Highest Occurred | 1981 | 1983 | 1986 | 1987 | 1987 | 1988 | 1966 | 1983 | 1990 | 1963 | 1981 | 1965 | 1981 |
| Lowest Mean Temperature (F) | 7.9 | 12.9 | 19.0 | 35.1 | 46.6 | 55.5 | 63.2 | 61.8 | 44.6 | 38.0 | 17.1 | 8.5 | 41.6 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1967 | 1969 | 1972 | 1974 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Min. Temperature (F) | 9.4 | 13.5 | 20.4 | 29.8 | 39.4 | 48.6 | 55.1 | 53.3 | 43.2 | 33.3 | 21.5 | 12.2 | 31.6 |
| Highest Mean Min. Temperature (F) | 21.6 | 20.7 | 28.9 | 34.4 | 45.1 | 57.0 | 59.4 | 60.6 | 50.1 | 40.6 | 27.8 | 19.5 | 34.7 |
| Year Highest Occurred | 1981 | 1983 | 1986 | 1987 | 1987 | 1988 | 1966 | 1983 | 1963 | 1963 | 1987 | 1965 | 1981 |
| Lowest Mean Min. Temperature (F) | -3.1 | 2.0 | 6.9 | 24.6 | 34.4 | 42.5 | 50.0 | 48.3 | 34.0 | 26.7 | 6.1 | -1.1 | 29.5 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1967 | 1969 | 1972 | 1974 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Precipitation (in.) | 0.60 | 0.67 | 0.89 | 1.90 | 2.93 | 3.25 | 1.87 | 1.72 | 1.45 | 1.08 | 0.69 | 0.71 | 17.76 |
| Highest Precipitation (in.) | 1.59 | 1.79 | 1.71 | 4.16 | 9.76 | 8.20 | 4.89 | 6.02 | 5.16 | 3.35 | 1.42 | 1.46 | 25.38 |
| Year Highest Occurred | 1971 | 1963 | 1983 | 1986 | 1962 | 1964 | 1981 | 1964 | 1986 | 1982 | 1985 | 1985 | 1964 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.15 | 0.34 | 0.50 | 0.45 | 0.35 | 0.22 | 0.14 | 0.00 | 0.00 | 0.07 | 11.67 |
| Year Lowest Occurred | 1961 | 1983 | 1981 | 1987 | 1966 | 1987 | 1975 | 1975 | 1990 | 1965 | 1963 | 1986 | 1974 |
| Heating Degree Days (F) | 1389. | 1134. | 1026. | 681. | 403. | 151. | 28. | 66. | 272. | 583. | 984. | 1324. | 8041. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 55. | 152. | 138. | 35. | 0. | 0. | 0. | 380. |