| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.2 | 43.8 | 54.5 | 63.9 | 73.8 | 83.5 | 92.9 | 90.9 | 80.0 | 66.1 | 48.3 | 36.9 | 64.2 |
| Highest Mean Max. Temperature (F) | 41.9 | 53.6 | 61.1 | 72.7 | 81.4 | 93.2 | 98.0 | 98.7 | 89.3 | 78.1 | 53.9 | 42.6 | 67.4 |
| Year Highest Occurred | 1990 | 1963 | 1986 | 1987 | 1966 | 1961 | 1968 | 1967 | 1990 | 1988 | 1976 | 1981 | 1987 |
| Lowest Mean Max. Temperature (F) | 24.8 | 30.3 | 49.0 | 55.4 | 66.9 | 77.4 | 85.8 | 82.3 | 71.4 | 60.4 | 37.7 | 22.7 | 60.1 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1980 | 1983 | 1976 | 1985 | 1970 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 26.9 | 34.2 | 42.7 | 50.9 | 60.3 | 69.7 | 78.3 | 75.9 | 64.9 | 51.7 | 38.3 | 28.6 | 51.9 |
| Highest Mean Temperature (F) | 33.7 | 41.9 | 47.9 | 58.3 | 65.4 | 77.8 | 83.3 | 83.0 | 73.8 | 60.9 | 43.0 | 34.8 | 54.2 |
| Year Highest Occurred | 1978 | 1963 | 1986 | 1990 | 1987 | 1961 | 1967 | 1967 | 1990 | 1988 | 1966 | 1977 | 1987 |
| Lowest Mean Temperature (F) | 14.9 | 20.5 | 36.9 | 45.6 | 55.1 | 64.7 | 71.8 | 69.1 | 57.5 | 46.9 | 28.1 | 12.6 | 47.8 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1984 | 1980 | 1983 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 18.6 | 24.5 | 30.8 | 37.8 | 46.8 | 55.8 | 63.6 | 61.0 | 49.7 | 37.3 | 28.3 | 20.3 | 39.5 |
| Highest Mean Min. Temperature (F) | 28.4 | 31.4 | 35.7 | 45.2 | 52.6 | 62.4 | 69.2 | 68.2 | 58.3 | 43.6 | 33.3 | 28.3 | 41.7 |
| Year Highest Occurred | 1981 | 1980 | 1978 | 1990 | 1987 | 1961 | 1967 | 1961 | 1990 | 1988 | 1966 | 1977 | 1961 |
| Lowest Mean Min. Temperature (F) | 5.0 | 10.6 | 24.8 | 32.0 | 41.6 | 50.9 | 57.8 | 55.4 | 43.5 | 33.1 | 18.4 | 2.4 | 35.3 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1970 | 1984 | 1976 | 1983 | 1975 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.75 | 1.35 | 1.27 | 0.81 | 0.93 | 0.91 | 0.35 | 0.66 | 0.61 | 0.79 | 1.81 | 2.06 | 13.30 |
| Highest Precipitation (in.) | 5.56 | 2.92 | 3.97 | 4.59 | 2.45 | 2.97 | 1.62 | 3.44 | 2.04 | 2.44 | 5.38 | 4.31 | 23.05 |
| Year Highest Occurred | 1970 | 1975 | 1983 | 1978 | 1990 | 1970 | 1983 | 1979 | 1986 | 1982 | 1988 | 1982 | 1983 |
| Lowest Precipitation (in.) | 0.26 | 0.01 | 0.13 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.05 | 8.16 |
| Year Lowest Occurred | 1985 | 1965 | 1965 | 1977 | 1965 | 1973 | 1979 | 1981 | 1990 | 1988 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 1181. | 862. | 691. | 428. | 180. | 46. | 0. | 16. | 122. | 418. | 801. | 1128. | 5873. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 34. | 187. | 412. | 354. | 119. | 5. | 0. | 0. | 1116. |