| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.2 | 41.8 | 50.3 | 60.1 | 70.2 | 80.7 | 87.2 | 84.6 | 76.3 | 65.2 | 49.7 | 37.9 | 61.6 |
| Highest Mean Max. Temperature (F) | 49.4 | 50.9 | 59.9 | 68.4 | 75.7 | 91.2 | 90.6 | 88.0 | 83.7 | 72.2 | 55.7 | 50.0 | 64.5 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1989 | 1974 | 1974 | 1989 | 1985 | 1979 | 1988 | 1989 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 26.8 | 32.8 | 42.0 | 51.3 | 65.1 | 72.2 | 83.7 | 76.3 | 69.1 | 56.2 | 41.6 | 30.3 | 59.1 |
| Year Lowest Occurred | 1979 | 1974 | 1969 | 1970 | 1980 | 1967 | 1983 | 1968 | 1961 | 1969 | 1972 | 1967 | 1968 |
| Mean Temperature (F) | 22.7 | 29.5 | 37.7 | 46.7 | 56.1 | 66.0 | 72.5 | 70.0 | 61.3 | 50.2 | 36.7 | 25.7 | 47.9 |
| Highest Mean Temperature (F) | 34.2 | 37.3 | 45.8 | 53.3 | 61.3 | 74.5 | 75.9 | 72.6 | 66.3 | 56.3 | 41.7 | 34.9 | 50.3 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1989 | 1963 | 1974 | 1989 | 1969 | 1979 | 1988 | 1962 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 14.7 | 20.4 | 31.2 | 39.8 | 50.9 | 59.8 | 69.1 | 63.8 | 55.7 | 42.9 | 31.5 | 18.2 | 45.5 |
| Year Lowest Occurred | 1979 | 1979 | 1969 | 1970 | 1975 | 1967 | 1983 | 1968 | 1965 | 1969 | 1979 | 1990 | 1975 |
| Mean Min. Temperature (F) | 10.1 | 17.1 | 25.0 | 33.3 | 42.0 | 51.3 | 57.7 | 55.4 | 46.3 | 35.2 | 23.6 | 13.3 | 34.2 |
| Highest Mean Min. Temperature (F) | 20.2 | 24.4 | 32.5 | 39.1 | 47.3 | 57.8 | 61.2 | 59.3 | 52.7 | 41.6 | 28.3 | 19.7 | 36.5 |
| Year Highest Occurred | 1965 | 1986 | 1990 | 1990 | 1963 | 1974 | 1989 | 1971 | 1990 | 1963 | 1965 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 2.5 | 6.5 | 19.4 | 26.7 | 36.6 | 46.0 | 54.4 | 51.2 | 40.4 | 29.5 | 17.6 | 4.3 | 31.5 |
| Year Lowest Occurred | 1979 | 1979 | 1964 | 1975 | 1975 | 1976 | 1983 | 1975 | 1971 | 1969 | 1979 | 1990 | 1975 |
| Mean Precipitation (in.) | 0.61 | 0.55 | 0.67 | 0.49 | 0.70 | 0.49 | 1.03 | 1.09 | 0.87 | 0.79 | 0.53 | 0.55 | 8.37 |
| Highest Precipitation (in.) | 2.44 | 1.84 | 1.88 | 2.02 | 1.85 | 1.95 | 3.47 | 2.59 | 3.28 | 2.64 | 2.73 | 1.58 | 13.19 |
| Year Highest Occurred | 1980 | 1978 | 1979 | 1988 | 1987 | 1967 | 1973 | 1968 | 1961 | 1984 | 1978 | 1967 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.14 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 5.10 |
| Year Lowest Occurred | 1972 | 1988 | 1977 | 1982 | 1974 | 1979 | 1978 | 1985 | 1979 | 1979 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 1311. | 994. | 846. | 549. | 286. | 91. | 0. | 10. | 152. | 464. | 849. | 1218. | 6770. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 121. | 233. | 165. | 41. | 5. | 0. | 0. | 575. |