| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.5 | 45.9 | 52.7 | 63.1 | 72.3 | 82.9 | 89.7 | 87.3 | 78.3 | 67.3 | 52.3 | 43.1 | 64.7 |
| Highest Mean Max. Temperature (F) | 54.7 | 54.6 | 62.4 | 70.6 | 78.7 | 90.4 | 94.3 | 90.9 | 84.1 | 73.5 | 59.7 | 55.8 | 67.1 |
| Year Highest Occurred | 1986 | 1970 | 1986 | 1981 | 1963 | 1990 | 1963 | 1962 | 1977 | 1963 | 1965 | 1980 | 1977 |
| Lowest Mean Max. Temperature (F) | 28.9 | 34.5 | 41.9 | 53.2 | 65.9 | 73.5 | 84.2 | 83.4 | 69.8 | 51.9 | 38.5 | 26.4 | 61.4 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1967 | 1967 | 1967 | 1965 | 1969 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 26.4 | 31.2 | 37.6 | 47.1 | 56.5 | 66.2 | 72.8 | 70.6 | 61.6 | 50.3 | 37.0 | 28.2 | 48.8 |
| Highest Mean Temperature (F) | 38.1 | 37.3 | 45.6 | 53.1 | 60.7 | 72.1 | 76.3 | 73.5 | 67.4 | 58.5 | 43.7 | 39.0 | 51.3 |
| Year Highest Occurred | 1986 | 1970 | 1986 | 1981 | 1963 | 1990 | 1963 | 1988 | 1963 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 14.5 | 23.0 | 27.8 | 40.9 | 51.8 | 60.7 | 69.7 | 67.1 | 55.3 | 39.5 | 26.4 | 14.0 | 46.8 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1975 | 1969 | 1967 | 1967 | 1965 | 1969 | 1972 | 1983 | 1973 |
| Mean Min. Temperature (F) | 11.2 | 16.4 | 22.5 | 31.1 | 40.7 | 49.5 | 55.8 | 53.9 | 44.9 | 33.3 | 21.6 | 13.1 | 32.8 |
| Highest Mean Min. Temperature (F) | 21.5 | 23.4 | 28.7 | 35.7 | 44.7 | 54.7 | 58.5 | 57.6 | 52.7 | 43.4 | 27.6 | 22.1 | 35.5 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1969 | 1969 | 1988 | 1966 | 1984 | 1963 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Min. Temperature (F) | 0.0 | 10.4 | 13.7 | 24.6 | 34.5 | 45.3 | 52.5 | 50.1 | 39.7 | 27.0 | 13.2 | 1.5 | 29.5 |
| Year Lowest Occurred | 1979 | 1975 | 1965 | 1975 | 1975 | 1975 | 1972 | 1974 | 1974 | 1969 | 1979 | 1983 | 1975 |
| Mean Precipitation (in.) | 0.42 | 0.36 | 1.05 | 1.35 | 2.78 | 2.20 | 2.14 | 1.76 | 1.48 | 0.79 | 0.68 | 0.44 | 15.45 |
| Highest Precipitation (in.) | 1.15 | 1.01 | 3.34 | 3.54 | 6.06 | 8.01 | 5.17 | 4.17 | 4.78 | 4.22 | 2.74 | 1.60 | 23.76 |
| Year Highest Occurred | 1989 | 1987 | 1981 | 1984 | 1975 | 1965 | 1985 | 1984 | 1966 | 1969 | 1972 | 1973 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.13 | 0.32 | 0.17 | 0.46 | 0.81 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | 11.35 |
| Year Lowest Occurred | 1983 | 1973 | 1982 | 1982 | 1974 | 1980 | 1962 | 1973 | 1978 | 1988 | 1965 | 1980 | 1971 |
| Heating Degree Days (F) | 1197. | 946. | 849. | 537. | 273. | 76. | 0. | 7. | 147. | 460. | 840. | 1141. | 6473. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 112. | 242. | 181. | 45. | 0. | 0. | 0. | 590. |