| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.2 | 47.1 | 52.1 | 59.3 | 68.6 | 77.5 | 86.0 | 85.0 | 78.3 | 67.6 | 52.1 | 43.4 | 63.4 |
| Highest Mean Max. Temperature (F) | 53.3 | 56.3 | 60.5 | 71.6 | 75.4 | 88.8 | 90.0 | 91.8 | 86.1 | 78.4 | 65.5 | 55.4 | 67.5 |
| Year Highest Occurred | 1961 | 1977 | 1978 | 1962 | 1976 | 1961 | 1973 | 1967 | 1974 | 1988 | 1976 | 1976 | 1976 |
| Lowest Mean Max. Temperature (F) | 38.1 | 36.7 | 43.4 | 45.8 | 59.7 | 69.2 | 79.7 | 78.1 | 67.4 | 51.7 | 43.5 | 34.0 | 58.4 |
| Year Lowest Occurred | 1977 | 1989 | 1983 | 1967 | 1977 | 1983 | 1983 | 1983 | 1986 | 1984 | 1985 | 1967 | 1983 |
| Mean Temperature (F) | 31.3 | 35.1 | 39.3 | 44.6 | 52.4 | 60.3 | 66.7 | 65.6 | 59.2 | 50.5 | 39.6 | 31.9 | 48.0 |
| Highest Mean Temperature (F) | 39.4 | 44.5 | 47.2 | 52.2 | 58.2 | 67.6 | 70.3 | 69.9 | 65.3 | 57.8 | 47.5 | 39.4 | 50.3 |
| Year Highest Occurred | 1961 | 1963 | 1978 | 1987 | 1973 | 1961 | 1988 | 1986 | 1975 | 1988 | 1976 | 1962 | 1961 |
| Lowest Mean Temperature (F) | 22.4 | 25.9 | 34.5 | 34.2 | 47.1 | 54.9 | 62.0 | 60.2 | 52.8 | 39.8 | 32.2 | 22.3 | 44.8 |
| Year Lowest Occurred | 1977 | 1989 | 1967 | 1967 | 1977 | 1983 | 1983 | 1985 | 1985 | 1984 | 1985 | 1967 | 1985 |
| Mean Min. Temperature (F) | 19.3 | 23.0 | 26.3 | 29.9 | 36.1 | 43.0 | 47.2 | 46.1 | 40.0 | 33.3 | 27.1 | 20.4 | 32.6 |
| Highest Mean Min. Temperature (F) | 27.3 | 33.5 | 33.8 | 36.5 | 42.3 | 47.7 | 50.9 | 51.9 | 47.6 | 39.6 | 30.9 | 28.4 | 35.6 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1990 | 1963 | 1977 | 1990 | 1986 | 1963 | 1979 | 1967 | 1973 | 1986 |
| Lowest Mean Min. Temperature (F) | 6.7 | 13.5 | 18.9 | 20.3 | 31.7 | 38.4 | 41.4 | 41.4 | 32.0 | 26.6 | 20.9 | 10.5 | 29.6 |
| Year Lowest Occurred | 1977 | 1982 | 1976 | 1970 | 1976 | 1976 | 1966 | 1969 | 1970 | 1970 | 1985 | 1967 | 1970 |
| Mean Precipitation (in.) | 2.16 | 1.67 | 1.68 | 1.22 | 1.45 | 0.92 | 0.24 | 0.51 | 0.77 | 1.35 | 1.97 | 1.98 | 15.92 |
| Highest Precipitation (in.) | 7.98 | 6.37 | 4.30 | 3.36 | 3.54 | 3.11 | 1.86 | 2.33 | 2.89 | 9.63 | 5.27 | 6.30 | 24.93 |
| Year Highest Occurred | 1969 | 1986 | 1974 | 1967 | 1971 | 1971 | 1987 | 1976 | 1985 | 1962 | 1981 | 1964 | 1970 |
| Lowest Precipitation (in.) | 0.02 | 0.15 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.46 | 0.02 | 9.53 |
| Year Lowest Occurred | 1984 | 1967 | 1965 | 1985 | 1976 | 1973 | 1989 | 1988 | 1974 | 1978 | 1976 | 1989 | 1988 |
| Heating Degree Days (F) | 1045. | 837. | 797. | 612. | 391. | 177. | 42. | 68. | 209. | 459. | 762. | 1026. | 6425. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 36. | 95. | 86. | 35. | 10. | 0. | 0. | 262. |