| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.3 | 43.3 | 49.7 | 56.0 | 64.3 | 73.6 | 81.7 | 80.6 | 71.4 | 60.7 | 45.6 | 38.4 | 58.6 |
| Highest Mean Max. Temperature (F) | 44.6 | 50.4 | 54.9 | 63.4 | 70.0 | 79.5 | 88.1 | 87.5 | 78.9 | 68.3 | 51.5 | 46.0 | 60.6 |
| Year Highest Occurred | 1965 | 1963 | 1986 | 1977 | 1966 | 1986 | 1985 | 1967 | 1967 | 1965 | 1990 | 1980 | 1965 |
| Lowest Mean Max. Temperature (F) | 22.2 | 31.1 | 44.9 | 48.6 | 56.7 | 67.4 | 75.9 | 74.9 | 64.0 | 54.6 | 32.0 | 26.6 | 55.7 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1967 | 1962 | 1980 | 1983 | 1976 | 1985 | 1984 | 1985 | 1983 | 1985 |
| Mean Temperature (F) | 29.8 | 35.0 | 39.6 | 44.5 | 51.5 | 59.4 | 65.9 | 65.3 | 57.3 | 48.3 | 37.4 | 30.8 | 47.1 |
| Highest Mean Temperature (F) | 36.1 | 40.7 | 44.1 | 49.4 | 55.5 | 64.3 | 70.5 | 71.0 | 63.9 | 54.5 | 41.2 | 37.6 | 48.9 |
| Year Highest Occurred | 1983 | 1963 | 1986 | 1990 | 1987 | 1961 | 1985 | 1967 | 1963 | 1988 | 1990 | 1980 | 1967 |
| Lowest Mean Temperature (F) | 14.2 | 22.6 | 36.2 | 39.4 | 46.9 | 54.9 | 61.2 | 61.1 | 51.1 | 44.5 | 23.4 | 19.7 | 43.9 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1967 | 1962 | 1980 | 1983 | 1980 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 22.1 | 26.5 | 29.5 | 33.1 | 38.6 | 45.3 | 50.1 | 50.0 | 43.1 | 35.9 | 29.2 | 23.2 | 35.6 |
| Highest Mean Min. Temperature (F) | 29.2 | 32.0 | 34.3 | 38.8 | 42.8 | 50.5 | 54.2 | 55.1 | 50.0 | 40.9 | 33.1 | 29.1 | 37.2 |
| Year Highest Occurred | 1967 | 1983 | 1983 | 1989 | 1987 | 1970 | 1975 | 1961 | 1963 | 1988 | 1962 | 1980 | 1967 |
| Lowest Mean Min. Temperature (F) | 6.2 | 14.1 | 24.9 | 29.3 | 35.4 | 41.0 | 45.9 | 45.5 | 37.5 | 32.8 | 14.7 | 12.3 | 32.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1986 | 1977 | 1976 | 1986 | 1980 | 1965 | 1971 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.54 | 1.21 | 1.22 | 1.21 | 1.20 | 1.04 | 0.44 | 0.71 | 0.73 | 1.00 | 1.91 | 1.84 | 14.05 |
| Highest Precipitation (in.) | 4.33 | 3.23 | 2.88 | 3.68 | 3.61 | 3.55 | 1.55 | 3.96 | 2.40 | 3.54 | 4.71 | 7.56 | 20.10 |
| Year Highest Occurred | 1970 | 1986 | 1984 | 1988 | 1962 | 1972 | 1975 | 1976 | 1973 | 1979 | 1973 | 1964 | 1981 |
| Lowest Precipitation (in.) | 0.29 | 0.13 | 0.05 | 0.03 | 0.00 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.36 | 0.27 | 9.36 |
| Year Lowest Occurred | 1984 | 1964 | 1968 | 1966 | 1964 | 1973 | 1988 | 1988 | 1975 | 1988 | 1982 | 1965 | 1967 |
| Heating Degree Days (F) | 1091. | 840. | 787. | 615. | 419. | 189. | 65. | 87. | 255. | 518. | 828. | 1060. | 6754. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 21. | 93. | 97. | 24. | 0. | 0. | 0. | 235. |