| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.6 | 43.7 | 52.1 | 61.2 | 70.5 | 79.9 | 89.7 | 87.7 | 78.2 | 66.4 | 48.7 | 37.4 | 62.6 |
| Highest Mean Max. Temperature (F) | 41.7 | 52.5 | 59.5 | 71.1 | 76.0 | 88.6 | 95.0 | 94.8 | 87.6 | 77.5 | 55.9 | 43.8 | 64.7 |
| Year Highest Occurred | 1990 | 1963 | 1986 | 1987 | 1966 | 1961 | 1985 | 1981 | 1990 | 1988 | 1976 | 1989 | 1987 |
| Lowest Mean Max. Temperature (F) | 24.8 | 33.8 | 46.8 | 52.3 | 63.0 | 72.9 | 83.7 | 79.7 | 67.8 | 59.6 | 38.4 | 25.5 | 59.4 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1977 | 1964 | 1987 | 1976 | 1985 | 1969 | 1985 | 1985 | 1984 |
| Mean Temperature (F) | 25.6 | 32.5 | 39.4 | 46.7 | 55.5 | 63.8 | 71.6 | 69.7 | 59.7 | 49.1 | 36.6 | 27.3 | 48.1 |
| Highest Mean Temperature (F) | 33.1 | 40.5 | 45.4 | 53.7 | 59.7 | 70.8 | 76.5 | 75.3 | 65.7 | 56.4 | 41.1 | 33.7 | 49.7 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1990 | 1969 | 1961 | 1985 | 1967 | 1990 | 1988 | 1981 | 1977 | 1967 |
| Lowest Mean Temperature (F) | 10.6 | 21.3 | 34.6 | 40.6 | 51.4 | 59.2 | 66.6 | 65.1 | 51.3 | 44.0 | 25.9 | 12.2 | 44.5 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1975 | 1977 | 1984 | 1987 | 1985 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 15.6 | 21.3 | 26.8 | 32.2 | 40.3 | 47.7 | 53.6 | 51.6 | 41.2 | 31.7 | 24.4 | 17.2 | 33.6 |
| Highest Mean Min. Temperature (F) | 25.2 | 29.0 | 32.6 | 37.4 | 43.9 | 52.9 | 58.6 | 56.3 | 47.9 | 38.1 | 30.0 | 25.4 | 35.7 |
| Year Highest Occurred | 1967 | 1961 | 1983 | 1965 | 1969 | 1961 | 1975 | 1961 | 1963 | 1963 | 1981 | 1973 | 1967 |
| Lowest Mean Min. Temperature (F) | -3.7 | 8.8 | 22.1 | 26.9 | 34.3 | 42.8 | 47.6 | 45.9 | 34.7 | 28.0 | 13.3 | -1.1 | 29.2 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1970 | 1982 | 1982 | 1983 | 1985 | 1985 | 1970 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.36 | 0.96 | 1.08 | 0.71 | 0.98 | 0.91 | 0.37 | 0.57 | 0.55 | 0.72 | 1.55 | 1.64 | 11.40 |
| Highest Precipitation (in.) | 5.37 | 3.52 | 3.40 | 3.05 | 2.70 | 3.54 | 1.21 | 1.96 | 1.94 | 2.23 | 3.71 | 4.72 | 17.11 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1978 | 1980 | 1964 | 1976 | 1979 | 1986 | 1982 | 1988 | 1964 | 1982 |
| Lowest Precipitation (in.) | 0.01 | 0.01 | 0.15 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 0.09 | 7.09 |
| Year Lowest Occurred | 1985 | 1964 | 1977 | 1977 | 1974 | 1985 | 1988 | 1981 | 1987 | 1988 | 1969 | 1976 | 1985 |
| Heating Degree Days (F) | 1221. | 910. | 794. | 549. | 299. | 109. | 13. | 32. | 206. | 493. | 852. | 1169. | 6647. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 73. | 217. | 178. | 47. | 0. | 0. | 0. | 515. |