| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.3 | 41.9 | 50.1 | 59.2 | 69.9 | 80.2 | 90.0 | 87.2 | 77.1 | 64.3 | 48.8 | 37.1 | 61.8 |
| Highest Mean Max. Temperature (F) | 42.0 | 50.1 | 59.5 | 68.6 | 78.7 | 87.1 | 94.6 | 91.7 | 84.2 | 75.2 | 54.3 | 44.9 | 64.7 |
| Year Highest Occurred | 1990 | 1970 | 1986 | 1987 | 1969 | 1974 | 1989 | 1969 | 1979 | 1988 | 1976 | 1981 | 1990 |
| Lowest Mean Max. Temperature (F) | 28.2 | 33.0 | 38.8 | 51.5 | 63.6 | 72.8 | 85.2 | 80.9 | 68.4 | 56.3 | 41.8 | 29.9 | 57.9 |
| Year Lowest Occurred | 1979 | 1984 | 1964 | 1975 | 1977 | 1964 | 1987 | 1968 | 1965 | 1969 | 1961 | 1972 | 1964 |
| Mean Temperature (F) | 26.5 | 32.3 | 39.9 | 48.0 | 57.1 | 66.3 | 75.0 | 72.6 | 62.9 | 51.4 | 38.9 | 28.3 | 49.9 |
| Highest Mean Temperature (F) | 33.6 | 39.4 | 48.0 | 54.3 | 63.6 | 72.3 | 78.9 | 76.5 | 69.9 | 59.0 | 44.5 | 34.8 | 51.8 |
| Year Highest Occurred | 1983 | 1970 | 1986 | 1987 | 1969 | 1961 | 1966 | 1969 | 1990 | 1988 | 1965 | 1981 | 1981 |
| Lowest Mean Temperature (F) | 19.1 | 22.8 | 30.7 | 42.5 | 52.5 | 61.9 | 70.9 | 68.1 | 56.8 | 45.6 | 33.6 | 20.2 | 47.5 |
| Year Lowest Occurred | 1979 | 1985 | 1964 | 1975 | 1977 | 1964 | 1987 | 1968 | 1965 | 1969 | 1985 | 1972 | 1984 |
| Mean Min. Temperature (F) | 17.6 | 22.7 | 29.7 | 36.7 | 44.2 | 52.2 | 59.9 | 58.0 | 48.7 | 38.5 | 29.0 | 19.5 | 38.1 |
| Highest Mean Min. Temperature (F) | 25.7 | 30.1 | 36.5 | 41.5 | 48.8 | 58.9 | 65.1 | 61.7 | 55.6 | 45.3 | 36.1 | 26.8 | 40.1 |
| Year Highest Occurred | 1983 | 1986 | 1986 | 1965 | 1966 | 1961 | 1966 | 1983 | 1990 | 1963 | 1965 | 1964 | 1983 |
| Lowest Mean Min. Temperature (F) | 10.0 | 12.4 | 22.6 | 31.8 | 39.2 | 48.0 | 56.5 | 53.5 | 44.1 | 34.7 | 22.4 | 9.8 | 35.7 |
| Year Lowest Occurred | 1989 | 1985 | 1964 | 1970 | 1978 | 1980 | 1986 | 1985 | 1985 | 1970 | 1979 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.54 | 1.61 | 2.09 | 2.46 | 2.36 | 1.36 | 0.78 | 0.95 | 1.63 | 1.86 | 1.78 | 1.62 | 20.04 |
| Highest Precipitation (in.) | 4.06 | 3.89 | 4.84 | 5.84 | 6.95 | 3.76 | 3.30 | 4.41 | 6.02 | 5.55 | 4.12 | 6.57 | 37.73 |
| Year Highest Occurred | 1980 | 1969 | 1983 | 1986 | 1977 | 1964 | 1984 | 1983 | 1982 | 1981 | 1988 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.10 | 0.00 | 0.38 | 0.09 | 0.04 | 0.00 | 0.07 | 0.00 | 0.00 | 0.03 | 0.07 | 10.07 |
| Year Lowest Occurred | 1961 | 1988 | 1965 | 1989 | 1969 | 1978 | 1988 | 1985 | 1974 | 1978 | 1976 | 1976 | 1966 |
| Heating Degree Days (F) | 1194. | 916. | 778. | 510. | 259. | 73. | 0. | 9. | 138. | 427. | 783. | 1138. | 6225. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 112. | 310. | 244. | 75. | 6. | 0. | 0. | 761. |