| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.1 | 46.8 | 51.7 | 59.8 | 69.5 | 78.6 | 88.0 | 86.6 | 77.3 | 66.4 | 49.9 | 42.4 | 63.3 |
| Highest Mean Max. Temperature (F) | 51.5 | 54.5 | 61.1 | 71.0 | 76.3 | 86.3 | 92.9 | 91.6 | 85.4 | 79.6 | 59.5 | 50.6 | 67.8 |
| Year Highest Occurred | 1986 | 1988 | 1978 | 1987 | 1973 | 1974 | 1988 | 1967 | 1987 | 1988 | 1976 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 36.5 | 38.1 | 43.5 | 47.1 | 60.4 | 72.0 | 83.0 | 78.1 | 67.7 | 57.3 | 40.9 | 34.7 | 59.6 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1977 | 1971 | 1963 | 1968 | 1985 | 1981 | 1985 | 1970 | 1982 |
| Mean Temperature (F) | 31.8 | 35.8 | 39.9 | 45.9 | 54.3 | 62.5 | 70.0 | 68.7 | 59.7 | 50.5 | 38.8 | 32.4 | 49.2 |
| Highest Mean Temperature (F) | 40.2 | 42.6 | 47.8 | 53.8 | 60.3 | 68.3 | 73.6 | 73.7 | 65.5 | 59.3 | 45.0 | 38.2 | 51.6 |
| Year Highest Occurred | 1986 | 1963 | 1990 | 1987 | 1973 | 1974 | 1985 | 1971 | 1987 | 1988 | 1976 | 1980 | 1988 |
| Lowest Mean Temperature (F) | 25.5 | 24.3 | 32.7 | 36.8 | 48.5 | 58.3 | 63.5 | 63.8 | 52.4 | 44.2 | 30.1 | 21.8 | 46.7 |
| Year Lowest Occurred | 1962 | 1989 | 1971 | 1967 | 1977 | 1964 | 1963 | 1968 | 1985 | 1984 | 1985 | 1990 | 1982 |
| Mean Min. Temperature (F) | 21.4 | 24.8 | 28.0 | 31.9 | 39.1 | 46.3 | 51.9 | 50.7 | 42.1 | 34.5 | 27.6 | 22.3 | 35.1 |
| Highest Mean Min. Temperature (F) | 29.9 | 31.8 | 37.9 | 37.4 | 44.3 | 51.0 | 55.8 | 57.1 | 47.6 | 41.2 | 32.1 | 28.7 | 37.4 |
| Year Highest Occurred | 1978 | 1980 | 1990 | 1990 | 1973 | 1986 | 1975 | 1971 | 1976 | 1979 | 1970 | 1981 | 1980 |
| Lowest Mean Min. Temperature (F) | 11.7 | 10.4 | 18.5 | 24.7 | 32.5 | 42.5 | 43.9 | 43.4 | 34.6 | 27.9 | 17.1 | 8.3 | 31.2 |
| Year Lowest Occurred | 1977 | 1989 | 1964 | 1964 | 1964 | 1963 | 1963 | 1963 | 1965 | 1966 | 1990 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.14 | 1.10 | 1.08 | 0.95 | 0.93 | 0.90 | 0.38 | 0.55 | 0.62 | 0.76 | 1.32 | 1.26 | 10.99 |
| Highest Precipitation (in.) | 3.32 | 4.86 | 3.65 | 3.23 | 3.06 | 3.36 | 1.81 | 2.76 | 2.51 | 5.50 | 3.32 | 5.81 | 17.02 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1978 | 1971 | 1963 | 1987 | 1979 | 1986 | 1962 | 1981 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.06 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 6.09 |
| Year Lowest Occurred | 1989 | 1965 | 1965 | 1965 | 1975 | 1986 | 1989 | 1987 | 1987 | 1988 | 1976 | 1976 | 1989 |
| Heating Degree Days (F) | 1029. | 818. | 778. | 573. | 336. | 137. | 24. | 43. | 211. | 455. | 786. | 1011. | 6201. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 62. | 179. | 158. | 52. | 5. | 0. | 0. | 456. |