| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 31.7 | 39.5 | 51.4 | 63.3 | 72.9 | 80.6 | 87.5 | 86.7 | 75.9 | 59.2 | 41.8 | 32.6 | 60.3 |
| Highest Mean Max. Temperature (F) | 38.8 | 46.5 | 59.5 | 70.8 | 85.1 | 87.8 | 96.3 | 95.8 | 85.8 | 65.1 | 50.4 | 39.3 | 64.1 |
| Year Highest Occurred | 1981 | 1983 | 1983 | 1983 | 1983 | 1982 | 1985 | 1961 | 1967 | 1974 | 1981 | 1982 | 1983 |
| Lowest Mean Max. Temperature (F) | 22.1 | 31.4 | 45.4 | 58.0 | 65.2 | 74.8 | 79.8 | 78.5 | 65.7 | 52.4 | 28.6 | 24.9 | 57.0 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1986 | 1984 | 1990 | 1983 | 1975 | 1985 | 1985 | 1985 | 1984 | 1985 |
| Mean Temperature (F) | 25.8 | 31.8 | 39.8 | 48.8 | 57.0 | 64.1 | 69.2 | 68.5 | 59.5 | 47.2 | 35.4 | 27.5 | 47.9 |
| Highest Mean Temperature (F) | 33.5 | 37.5 | 45.2 | 53.2 | 60.3 | 68.8 | 74.8 | 73.8 | 66.8 | 50.7 | 39.9 | 34.4 | 49.9 |
| Year Highest Occurred | 1981 | 1983 | 1981 | 1987 | 1969 | 1961 | 1985 | 1961 | 1967 | 1988 | 1962 | 1962 | 1987 |
| Lowest Mean Temperature (F) | 14.5 | 23.2 | 34.8 | 44.6 | 52.3 | 58.9 | 62.6 | 62.7 | 54.4 | 43.1 | 22.4 | 17.5 | 45.3 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1982 | 1984 | 1981 | 1983 | 1975 | 1985 | 1984 | 1985 | 1983 | 1985 |
| Mean Min. Temperature (F) | 19.9 | 24.0 | 28.2 | 34.3 | 41.1 | 47.5 | 50.9 | 50.3 | 43.0 | 35.1 | 28.9 | 22.3 | 35.5 |
| Highest Mean Min. Temperature (F) | 28.1 | 30.4 | 32.3 | 38.6 | 43.9 | 51.9 | 54.6 | 54.7 | 48.1 | 39.9 | 35.1 | 29.9 | 37.8 |
| Year Highest Occurred | 1981 | 1961 | 1987 | 1987 | 1972 | 1970 | 1975 | 1965 | 1966 | 1988 | 1987 | 1962 | 1987 |
| Lowest Mean Min. Temperature (F) | 6.8 | 14.9 | 21.5 | 23.6 | 32.1 | 42.4 | 45.3 | 45.6 | 37.6 | 28.9 | 16.2 | 9.2 | 29.4 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1982 | 1982 | 1983 | 1983 | 1964 | 1983 | 1983 | 1985 | 1983 | 1982 |
| Mean Precipitation (in.) | 1.88 | 1.57 | 1.48 | 1.38 | 1.92 | 2.02 | 1.25 | 1.48 | 1.17 | 1.26 | 2.16 | 2.66 | 20.23 |
| Highest Precipitation (in.) | 3.51 | 3.40 | 3.49 | 2.61 | 4.23 | 4.16 | 3.35 | 4.25 | 3.23 | 3.37 | 4.93 | 5.02 | 27.71 |
| Year Highest Occurred | 1964 | 1979 | 1983 | 1969 | 1990 | 1970 | 1983 | 1976 | 1986 | 1967 | 1973 | 1968 | 1982 |
| Lowest Precipitation (in.) | 0.03 | 0.11 | 0.27 | 0.22 | 0.55 | 0.17 | 0.15 | 0.02 | 0.02 | 0.07 | 0.61 | 0.61 | 15.95 |
| Year Lowest Occurred | 1985 | 1964 | 1965 | 1977 | 1982 | 1974 | 1984 | 1969 | 1990 | 1974 | 1979 | 1985 | 1962 |
| Heating Degree Days (F) | 1215. | 930. | 781. | 486. | 251. | 98. | 29. | 47. | 204. | 552. | 888. | 1163. | 6644. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 71. | 159. | 156. | 39. | 0. | 0. | 0. | 425. |