| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.6 | 46.7 | 54.2 | 64.9 | 73.9 | 84.4 | 90.8 | 88.2 | 78.7 | 68.2 | 52.6 | 42.5 | 65.6 |
| Highest Mean Max. Temperature (F) | 55.0 | 55.2 | 63.8 | 72.2 | 81.4 | 90.0 | 95.4 | 94.6 | 84.5 | 76.4 | 60.6 | 52.9 | 68.8 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1981 | 1974 | 1990 | 1963 | 1983 | 1977 | 1963 | 1990 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 31.1 | 32.9 | 38.8 | 53.1 | 67.9 | 77.0 | 87.6 | 83.1 | 67.4 | 54.6 | 39.1 | 26.1 | 63.4 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1968 | 1982 | 1967 | 1974 | 1965 | 1969 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 28.1 | 32.8 | 39.7 | 49.7 | 59.3 | 69.1 | 75.1 | 72.9 | 63.7 | 52.6 | 38.9 | 29.4 | 50.9 |
| Highest Mean Temperature (F) | 38.9 | 38.8 | 47.6 | 56.1 | 64.5 | 73.8 | 78.8 | 77.6 | 69.0 | 59.6 | 45.3 | 38.0 | 53.7 |
| Year Highest Occurred | 1986 | 1977 | 1986 | 1981 | 1974 | 1988 | 1963 | 1983 | 1990 | 1963 | 1990 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 18.6 | 22.7 | 26.2 | 42.7 | 54.7 | 64.5 | 72.7 | 68.4 | 54.1 | 44.3 | 30.1 | 15.9 | 49.2 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1968 | 1982 | 1972 | 1966 | 1965 | 1969 | 1972 | 1983 | 1965 |
| Mean Min. Temperature (F) | 14.6 | 18.9 | 25.1 | 34.5 | 44.7 | 53.8 | 59.3 | 57.5 | 48.5 | 37.0 | 25.1 | 16.3 | 36.3 |
| Highest Mean Min. Temperature (F) | 22.7 | 25.3 | 32.1 | 39.9 | 48.3 | 59.0 | 62.1 | 60.7 | 54.3 | 42.7 | 29.9 | 23.1 | 39.2 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1981 | 1977 | 1988 | 1963 | 1970 | 1969 | 1963 | 1990 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 5.3 | 11.5 | 13.6 | 29.1 | 40.5 | 50.2 | 56.8 | 53.3 | 40.7 | 32.7 | 20.0 | 5.7 | 33.9 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1961 | 1961 | 1969 | 1984 | 1965 | 1965 | 1961 | 1985 | 1983 | 1961 |
| Mean Precipitation (in.) | 0.21 | 0.26 | 0.78 | 0.98 | 3.03 | 2.38 | 2.53 | 2.01 | 1.75 | 0.80 | 0.48 | 0.24 | 15.45 |
| Highest Precipitation (in.) | 0.57 | 1.02 | 3.59 | 3.88 | 4.93 | 6.35 | 4.99 | 6.24 | 4.75 | 3.92 | 1.60 | 1.35 | 24.18 |
| Year Highest Occurred | 1990 | 1983 | 1981 | 1983 | 1977 | 1965 | 1966 | 1989 | 1966 | 1965 | 1981 | 1979 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.81 | 0.22 | 0.46 | 0.43 | 0.01 | 0.00 | 0.00 | 0.00 | 9.12 |
| Year Lowest Occurred | 1986 | 1977 | 1989 | 1963 | 1966 | 1976 | 1983 | 1964 | 1968 | 1987 | 1989 | 1980 | 1974 |
| Heating Degree Days (F) | 1144. | 902. | 784. | 459. | 201. | 31. | 0. | 9. | 119. | 389. | 783. | 1104. | 5925. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 24. | 154. | 313. | 254. | 80. | 0. | 0. | 0. | 825. |