| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.9 | 44.8 | 51.3 | 60.3 | 69.0 | 78.7 | 88.3 | 87.3 | 77.2 | 66.1 | 49.4 | 40.0 | 62.5 |
| Highest Mean Max. Temperature (F) | 45.2 | 51.4 | 58.4 | 71.5 | 75.8 | 86.0 | 96.2 | 93.2 | 85.3 | 76.4 | 57.2 | 47.5 | 65.1 |
| Year Highest Occurred | 1961 | 1970 | 1990 | 1987 | 1966 | 1961 | 1989 | 1967 | 1990 | 1988 | 1976 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 27.8 | 35.1 | 46.0 | 50.0 | 60.4 | 71.8 | 83.3 | 78.8 | 68.7 | 58.0 | 39.9 | 31.5 | 59.3 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1967 | 1977 | 1964 | 1983 | 1976 | 1985 | 1969 | 1985 | 1990 | 1984 |
| Mean Temperature (F) | 26.2 | 33.4 | 37.8 | 44.3 | 52.0 | 61.1 | 68.3 | 66.8 | 57.3 | 46.8 | 35.9 | 28.0 | 46.5 |
| Highest Mean Temperature (F) | 32.7 | 39.7 | 44.1 | 51.2 | 56.7 | 67.3 | 72.7 | 72.1 | 64.4 | 54.3 | 40.2 | 35.9 | 48.1 |
| Year Highest Occurred | 1983 | 1963 | 1978 | 1987 | 1972 | 1961 | 1985 | 1967 | 1990 | 1988 | 1963 | 1977 | 1961 |
| Lowest Mean Temperature (F) | 15.2 | 22.4 | 33.0 | 37.8 | 43.9 | 55.9 | 64.2 | 62.2 | 50.5 | 41.6 | 26.6 | 17.8 | 43.6 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1989 | 1980 | 1987 | 1976 | 1965 | 1969 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 14.5 | 21.9 | 24.3 | 28.3 | 34.9 | 43.5 | 48.4 | 46.4 | 37.3 | 27.5 | 22.3 | 15.9 | 30.4 |
| Highest Mean Min. Temperature (F) | 24.4 | 29.9 | 31.6 | 32.6 | 39.8 | 49.0 | 53.9 | 53.5 | 43.5 | 35.9 | 30.0 | 26.4 | 33.3 |
| Year Highest Occurred | 1978 | 1983 | 1983 | 1990 | 1987 | 1977 | 1984 | 1961 | 1990 | 1963 | 1968 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 2.5 | 9.7 | 17.7 | 24.0 | 17.9 | 38.3 | 43.9 | 40.3 | 31.8 | 23.7 | 13.2 | 2.1 | 26.9 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1989 | 1980 | 1963 | 1988 | 1965 | 1966 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.31 | 1.06 | 1.23 | 1.16 | 1.11 | 1.16 | 0.43 | 0.63 | 0.73 | 0.93 | 1.43 | 1.25 | 12.43 |
| Highest Precipitation (in.) | 3.86 | 3.20 | 3.00 | 3.18 | 2.99 | 3.04 | 2.03 | 2.66 | 2.55 | 3.36 | 3.28 | 3.93 | 19.48 |
| Year Highest Occurred | 1970 | 1990 | 1983 | 1978 | 1987 | 1984 | 1985 | 1968 | 1971 | 1975 | 1988 | 1981 | 1983 |
| Lowest Precipitation (in.) | 0.09 | 0.02 | 0.04 | 0.13 | 0.10 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 0.00 | 7.58 |
| Year Lowest Occurred | 1990 | 1965 | 1965 | 1961 | 1974 | 1989 | 1989 | 1985 | 1987 | 1988 | 1976 | 1989 | 1966 |
| Heating Degree Days (F) | 1203. | 885. | 843. | 621. | 403. | 159. | 32. | 60. | 256. | 564. | 873. | 1147. | 7046. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 42. | 135. | 116. | 25. | 0. | 0. | 0. | 318. |