| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.3 | 54.1 | 60.8 | 70.0 | 79.4 | 90.3 | 94.0 | 90.8 | 84.3 | 73.0 | 59.8 | 47.9 | 70.9 |
| Highest Mean Max. Temperature (F) | 58.8 | 59.1 | 71.2 | 81.4 | 87.8 | 97.0 | 97.6 | 95.1 | 90.0 | 80.8 | 65.7 | 57.2 | 75.8 |
| Year Highest Occurred | 1986 | 1986 | 1989 | 1989 | 1984 | 1974 | 1971 | 1986 | 1979 | 1988 | 1989 | 1977 | 1989 |
| Lowest Mean Max. Temperature (F) | 27.5 | 48.1 | 52.7 | 61.6 | 74.0 | 82.4 | 88.6 | 86.6 | 80.4 | 64.6 | 53.4 | 31.8 | 66.8 |
| Year Lowest Occurred | 1968 | 1966 | 1973 | 1968 | 1968 | 1967 | 1967 | 1963 | 1965 | 1984 | 1972 | 1967 | 1968 |
| Mean Temperature (F) | 31.7 | 37.7 | 43.8 | 51.7 | 60.0 | 70.0 | 76.6 | 74.0 | 66.8 | 55.0 | 42.8 | 32.9 | 53.6 |
| Highest Mean Temperature (F) | 38.8 | 41.8 | 51.4 | 60.8 | 65.6 | 75.3 | 81.0 | 79.4 | 70.5 | 61.9 | 46.3 | 39.9 | 57.0 |
| Year Highest Occurred | 1986 | 1971 | 1989 | 1989 | 1984 | 1971 | 1970 | 1970 | 1990 | 1988 | 1962 | 1977 | 1989 |
| Lowest Mean Temperature (F) | 17.1 | 30.1 | 36.6 | 44.9 | 54.7 | 64.1 | 73.2 | 69.9 | 62.7 | 48.9 | 38.8 | 21.2 | 49.4 |
| Year Lowest Occurred | 1968 | 1964 | 1969 | 1967 | 1967 | 1965 | 1968 | 1968 | 1985 | 1971 | 1979 | 1967 | 1968 |
| Mean Min. Temperature (F) | 17.0 | 21.4 | 26.7 | 33.3 | 40.6 | 49.6 | 59.1 | 57.1 | 49.3 | 36.9 | 25.8 | 17.8 | 36.2 |
| Highest Mean Min. Temperature (F) | 28.4 | 29.1 | 38.5 | 43.6 | 45.7 | 60.7 | 68.3 | 65.6 | 55.6 | 45.5 | 32.5 | 26.5 | 38.8 |
| Year Highest Occurred | 1980 | 1971 | 1971 | 1971 | 1989 | 1971 | 1970 | 1970 | 1990 | 1964 | 1978 | 1964 | 1971 |
| Lowest Mean Min. Temperature (F) | 6.6 | 10.3 | 17.5 | 26.0 | 35.2 | 43.5 | 53.2 | 51.9 | 42.4 | 31.0 | 19.3 | 9.7 | 31.2 |
| Year Lowest Occurred | 1968 | 1964 | 1969 | 1967 | 1969 | 1966 | 1968 | 1968 | 1968 | 1971 | 1975 | 1968 | 1966 |
| Mean Precipitation (in.) | 0.58 | 0.61 | 0.59 | 0.34 | 0.37 | 0.15 | 1.09 | 1.59 | 1.11 | 0.94 | 0.64 | 0.66 | 8.67 |
| Highest Precipitation (in.) | 1.84 | 3.77 | 1.64 | 1.40 | 1.97 | 0.98 | 3.67 | 4.40 | 3.93 | 4.80 | 2.02 | 3.50 | 20.05 |
| Year Highest Occurred | 1987 | 1987 | 1978 | 1973 | 1979 | 1972 | 1976 | 1963 | 1984 | 1972 | 1986 | 1987 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 2.60 |
| Year Lowest Occurred | 1984 | 1984 | 1988 | 1989 | 1988 | 1990 | 1979 | 1972 | 1972 | 1982 | 1982 | 1981 | 1970 |
| Heating Degree Days (F) | 1032. | 764. | 657. | 411. | 185. | 31. | 0. | 0. | 40. | 319. | 666. | 995. | 5100. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 12. | 30. | 181. | 360. | 279. | 94. | 9. | 0. | 0. | 965. |