| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.2 | 48.9 | 54.4 | 61.1 | 69.2 | 77.9 | 86.4 | 85.3 | 77.2 | 66.3 | 50.3 | 42.5 | 63.5 |
| Highest Mean Max. Temperature (F) | 48.2 | 54.5 | 61.5 | 70.4 | 74.1 | 83.6 | 92.7 | 92.0 | 85.4 | 76.6 | 57.6 | 50.8 | 66.1 |
| Year Highest Occurred | 1983 | 1988 | 1986 | 1987 | 1969 | 1974 | 1985 | 1967 | 1990 | 1988 | 1976 | 1980 | 1987 |
| Lowest Mean Max. Temperature (F) | 28.0 | 38.8 | 49.5 | 52.4 | 61.6 | 71.5 | 79.6 | 78.7 | 68.5 | 58.5 | 38.5 | 32.2 | 60.9 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1967 | 1962 | 1980 | 1983 | 1968 | 1986 | 1984 | 1985 | 1983 | 1982 |
| Mean Temperature (F) | 31.9 | 36.8 | 40.1 | 44.5 | 51.8 | 59.3 | 64.8 | 63.7 | 56.2 | 47.8 | 38.4 | 32.1 | 47.3 |
| Highest Mean Temperature (F) | 37.8 | 42.9 | 45.8 | 50.8 | 55.7 | 63.7 | 69.1 | 67.8 | 61.8 | 54.4 | 43.4 | 38.3 | 48.9 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1969 | 1986 | 1985 | 1977 | 1990 | 1988 | 1976 | 1980 | 1987 |
| Lowest Mean Temperature (F) | 16.5 | 26.9 | 36.3 | 38.7 | 48.3 | 55.4 | 60.8 | 59.9 | 51.2 | 43.6 | 26.9 | 23.1 | 45.0 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1970 | 1962 | 1980 | 1986 | 1964 | 1961 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 21.6 | 24.7 | 25.6 | 27.9 | 34.4 | 40.7 | 43.1 | 42.2 | 35.3 | 29.2 | 26.5 | 21.6 | 31.1 |
| Highest Mean Min. Temperature (F) | 28.4 | 31.5 | 32.7 | 34.0 | 37.6 | 44.1 | 48.3 | 46.7 | 41.6 | 34.7 | 31.7 | 29.8 | 32.9 |
| Year Highest Occurred | 1986 | 1963 | 1983 | 1988 | 1987 | 1986 | 1975 | 1977 | 1963 | 1979 | 1983 | 1973 | 1983 |
| Lowest Mean Min. Temperature (F) | 4.9 | 15.0 | 18.7 | 22.3 | 29.6 | 36.5 | 39.3 | 37.9 | 29.4 | 25.5 | 15.2 | 11.1 | 28.3 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1964 | 1965 | 1976 | 1973 | 1980 | 1965 | 1974 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.17 | 0.86 | 0.82 | 0.74 | 0.89 | 0.91 | 0.43 | 0.59 | 0.46 | 0.73 | 1.47 | 1.41 | 10.48 |
| Highest Precipitation (in.) | 2.85 | 2.16 | 2.00 | 2.57 | 2.59 | 2.93 | 3.19 | 4.30 | 1.88 | 2.29 | 3.05 | 6.00 | 17.71 |
| Year Highest Occurred | 1970 | 1986 | 1989 | 1989 | 1977 | 1969 | 1987 | 1976 | 1986 | 1962 | 1961 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.21 | 0.01 | 0.04 | 0.00 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.02 | 5.99 |
| Year Lowest Occurred | 1985 | 1990 | 1965 | 1977 | 1964 | 1973 | 1988 | 1986 | 1975 | 1988 | 1976 | 1976 | 1974 |
| Heating Degree Days (F) | 1026. | 790. | 772. | 615. | 409. | 187. | 74. | 94. | 281. | 533. | 798. | 1020. | 6599. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 16. | 68. | 54. | 17. | 0. | 0. | 0. | 155. |