| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.3 | 48.1 | 55.4 | 64.2 | 73.8 | 84.5 | 87.8 | 84.8 | 78.4 | 67.8 | 53.8 | 44.0 | 65.4 |
| Highest Mean Max. Temperature (F) | 53.9 | 54.7 | 64.4 | 73.4 | 80.0 | 89.5 | 91.5 | 88.4 | 83.1 | 73.2 | 60.7 | 53.0 | 68.2 |
| Year Highest Occurred | 1986 | 1972 | 1989 | 1989 | 1984 | 1990 | 1971 | 1962 | 1979 | 1964 | 1966 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 34.7 | 41.9 | 46.5 | 58.1 | 69.6 | 79.7 | 84.4 | 80.8 | 73.4 | 59.2 | 46.5 | 35.7 | 63.3 |
| Year Lowest Occurred | 1962 | 1966 | 1973 | 1983 | 1975 | 1965 | 1974 | 1963 | 1985 | 1984 | 1972 | 1990 | 1975 |
| Mean Temperature (F) | 31.3 | 36.0 | 42.1 | 49.8 | 58.8 | 69.2 | 73.7 | 71.4 | 64.9 | 54.5 | 42.1 | 33.3 | 52.3 |
| Highest Mean Temperature (F) | 40.6 | 41.0 | 50.1 | 60.4 | 64.8 | 73.9 | 77.0 | 74.4 | 69.1 | 59.3 | 47.2 | 41.4 | 54.4 |
| Year Highest Occurred | 1986 | 1970 | 1972 | 1985 | 1984 | 1974 | 1963 | 1962 | 1979 | 1988 | 1966 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 25.1 | 25.1 | 36.7 | 43.9 | 53.7 | 64.9 | 71.3 | 67.9 | 61.0 | 48.2 | 36.3 | 25.7 | 50.4 |
| Year Lowest Occurred | 1985 | 1985 | 1962 | 1983 | 1975 | 1965 | 1986 | 1968 | 1985 | 1984 | 1972 | 1990 | 1975 |
| Mean Min. Temperature (F) | 20.3 | 23.8 | 28.8 | 35.3 | 43.7 | 53.8 | 59.5 | 58.0 | 51.4 | 41.1 | 30.3 | 22.6 | 39.1 |
| Highest Mean Min. Temperature (F) | 29.0 | 29.0 | 35.7 | 54.7 | 49.6 | 58.9 | 62.7 | 60.3 | 55.2 | 46.1 | 35.2 | 31.3 | 41.1 |
| Year Highest Occurred | 1982 | 1980 | 1972 | 1985 | 1984 | 1974 | 1963 | 1962 | 1969 | 1988 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 10.7 | 5.8 | 23.1 | 27.9 | 37.8 | 47.4 | 57.4 | 54.3 | 47.7 | 34.9 | 25.6 | 15.3 | 36.9 |
| Year Lowest Occurred | 1985 | 1985 | 1964 | 1967 | 1975 | 1970 | 1982 | 1968 | 1970 | 1970 | 1979 | 1967 | 1967 |
| Mean Precipitation (in.) | 0.83 | 0.61 | 0.75 | 0.56 | 0.41 | 0.23 | 1.20 | 1.40 | 1.08 | 1.29 | 0.81 | 0.81 | 9.98 |
| Highest Precipitation (in.) | 5.03 | 1.80 | 2.81 | 3.88 | 1.86 | 1.71 | 3.55 | 4.44 | 3.15 | 5.98 | 2.37 | 2.35 | 18.99 |
| Year Highest Occurred | 1983 | 1980 | 1983 | 1985 | 1976 | 1962 | 1974 | 1963 | 1970 | 1972 | 1978 | 1966 | 1985 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 3.94 |
| Year Lowest Occurred | 1986 | 1989 | 1989 | 1989 | 1990 | 1990 | 1978 | 1962 | 1989 | 1990 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 1045. | 812. | 710. | 462. | 214. | 24. | 0. | 0. | 67. | 336. | 687. | 983. | 5340. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 6. | 21. | 150. | 270. | 201. | 64. | 11. | 0. | 0. | 723. |