| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.2 | 46.9 | 51.6 | 60.3 | 69.3 | 79.9 | 86.3 | 83.9 | 75.7 | 65.7 | 52.8 | 44.9 | 63.5 |
| Highest Mean Max. Temperature (F) | 56.4 | 54.0 | 61.5 | 69.2 | 75.7 | 88.8 | 89.9 | 87.2 | 82.0 | 71.9 | 60.1 | 55.6 | 66.5 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1963 | 1990 | 1980 | 1985 | 1983 | 1963 | 1990 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 32.4 | 35.9 | 40.4 | 52.3 | 63.2 | 71.7 | 82.4 | 80.0 | 67.1 | 51.5 | 41.7 | 31.5 | 60.1 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1973 | 1983 | 1969 | 1973 | 1979 | 1965 | 1969 | 1972 | 1983 | 1979 |
| Mean Temperature (F) | 29.3 | 32.4 | 37.9 | 46.8 | 55.9 | 65.9 | 72.3 | 70.3 | 61.6 | 51.1 | 38.4 | 30.3 | 49.4 |
| Highest Mean Temperature (F) | 38.8 | 38.3 | 46.6 | 54.8 | 60.6 | 71.0 | 75.5 | 73.5 | 66.3 | 58.9 | 45.1 | 41.0 | 52.1 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1963 | 1988 | 1966 | 1983 | 1963 | 1963 | 1990 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 16.9 | 22.4 | 27.1 | 40.2 | 50.7 | 60.4 | 69.8 | 66.4 | 54.7 | 40.6 | 30.4 | 17.2 | 47.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1969 | 1973 | 1987 | 1965 | 1969 | 1979 | 1983 | 1979 |
| Mean Min. Temperature (F) | 14.3 | 17.9 | 24.1 | 33.1 | 42.4 | 51.8 | 58.3 | 56.7 | 47.4 | 36.3 | 24.1 | 15.7 | 35.2 |
| Highest Mean Min. Temperature (F) | 22.4 | 23.0 | 31.7 | 40.3 | 46.5 | 57.6 | 61.4 | 60.2 | 52.9 | 45.8 | 30.1 | 26.4 | 37.7 |
| Year Highest Occurred | 1990 | 1983 | 1986 | 1981 | 1969 | 1977 | 1966 | 1970 | 1963 | 1963 | 1990 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 1.3 | 8.9 | 13.8 | 27.2 | 38.1 | 47.7 | 52.9 | 49.8 | 42.0 | 29.7 | 17.1 | 2.9 | 31.9 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1983 | 1987 | 1987 | 1987 | 1969 | 1985 | 1983 | 1987 |
| Mean Precipitation (in.) | 0.55 | 0.73 | 1.62 | 2.00 | 2.87 | 1.84 | 1.74 | 1.57 | 1.54 | 1.39 | 1.21 | 0.79 | 17.85 |
| Highest Precipitation (in.) | 1.46 | 1.80 | 5.64 | 4.56 | 9.64 | 4.06 | 5.05 | 4.86 | 5.15 | 6.49 | 3.48 | 2.14 | 28.11 |
| Year Highest Occurred | 1974 | 1987 | 1983 | 1971 | 1969 | 1967 | 1976 | 1984 | 1961 | 1969 | 1972 | 1987 | 1969 |
| Lowest Precipitation (in.) | 0.02 | 0.09 | 0.54 | 0.04 | 0.24 | 0.00 | 0.46 | 0.10 | 0.07 | 0.05 | 0.05 | 0.03 | 11.71 |
| Year Lowest Occurred | 1981 | 1976 | 1982 | 1963 | 1974 | 1980 | 1978 | 1973 | 1977 | 1962 | 1989 | 1970 | 1962 |
| Heating Degree Days (F) | 1107. | 913. | 840. | 546. | 291. | 79. | 0. | 7. | 148. | 438. | 798. | 1076. | 6243. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 106. | 229. | 171. | 46. | 7. | 0. | 0. | 568. |