| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 58.0 | 62.8 | 68.8 | 77.4 | 85.7 | 94.9 | 95.2 | 92.3 | 87.4 | 78.2 | 66.6 | 58.1 | 77.1 |
| Highest Mean Max. Temperature (F) | 65.0 | 66.9 | 77.8 | 83.4 | 90.8 | 100.5 | 100.2 | 97.4 | 91.0 | 84.3 | 71.4 | 65.9 | 79.0 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1984 | 1980 | 1980 | 1962 | 1979 | 1979 | 1981 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 51.2 | 56.3 | 62.1 | 69.6 | 83.1 | 91.4 | 89.4 | 86.6 | 84.0 | 71.6 | 60.8 | 51.7 | 75.3 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1979 | 1965 | 1990 | 1990 | 1986 | 1984 | 1961 | 1967 | 1990 |
| Mean Temperature (F) | 41.2 | 45.0 | 50.0 | 56.9 | 64.5 | 73.6 | 78.9 | 76.8 | 70.8 | 59.9 | 48.4 | 41.3 | 58.9 |
| Highest Mean Temperature (F) | 44.9 | 49.2 | 55.6 | 61.4 | 69.1 | 77.7 | 82.5 | 80.6 | 75.2 | 65.2 | 52.3 | 45.4 | 60.9 |
| Year Highest Occurred | 1981 | 1968 | 1972 | 1981 | 1984 | 1990 | 1980 | 1969 | 1983 | 1987 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 35.9 | 36.4 | 45.4 | 51.4 | 60.8 | 69.0 | 75.7 | 72.7 | 67.8 | 55.0 | 44.7 | 37.1 | 57.1 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1983 | 1971 | 1965 | 1968 | 1990 | 1986 | 1970 | 1972 | 1974 | 1964 |
| Mean Min. Temperature (F) | 24.4 | 27.2 | 31.2 | 36.4 | 43.3 | 52.3 | 62.5 | 61.2 | 54.1 | 41.5 | 30.2 | 24.5 | 40.7 |
| Highest Mean Min. Temperature (F) | 30.2 | 33.4 | 36.9 | 41.4 | 47.4 | 57.3 | 65.3 | 64.6 | 59.9 | 48.6 | 37.0 | 31.0 | 43.1 |
| Year Highest Occurred | 1981 | 1968 | 1986 | 1990 | 1984 | 1986 | 1981 | 1986 | 1983 | 1972 | 1978 | 1984 | 1986 |
| Lowest Mean Min. Temperature (F) | 15.8 | 15.1 | 26.6 | 31.7 | 38.1 | 46.2 | 57.1 | 57.4 | 49.2 | 35.3 | 24.3 | 17.7 | 38.1 |
| Year Lowest Occurred | 1964 | 1964 | 1969 | 1970 | 1971 | 1982 | 1987 | 1968 | 1968 | 1982 | 1970 | 1973 | 1964 |
| Mean Precipitation (in.) | 0.91 | 0.77 | 0.67 | 0.23 | 0.26 | 0.42 | 2.70 | 2.52 | 1.96 | 1.18 | 0.72 | 1.17 | 13.51 |
| Highest Precipitation (in.) | 2.81 | 2.55 | 2.03 | 1.96 | 1.54 | 1.15 | 4.41 | 5.88 | 5.65 | 5.60 | 2.18 | 3.63 | 21.31 |
| Year Highest Occurred | 1978 | 1980 | 1968 | 1988 | 1972 | 1979 | 1990 | 1977 | 1964 | 1972 | 1990 | 1965 | 1985 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.11 | 0.28 | 0.05 | 0.00 | 0.00 | 0.00 | 5.28 |
| Year Lowest Occurred | 1970 | 1984 | 1972 | 1986 | 1988 | 1989 | 1971 | 1975 | 1973 | 1973 | 1989 | 1973 | 1989 |
| Heating Degree Days (F) | 738. | 560. | 465. | 251. | 61. | 0. | 0. | 0. | 5. | 175. | 498. | 735. | 3488. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 45. | 263. | 431. | 366. | 179. | 17. | 0. | 0. | 1309. |