| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 63.4 | 66.4 | 70.1 | 77.8 | 85.4 | 94.9 | 93.5 | 91.4 | 89.2 | 81.9 | 71.4 | 64.4 | 79.2 |
| Highest Mean Max. Temperature (F) | 71.9 | 71.6 | 80.4 | 86.6 | 90.3 | 100.2 | 97.7 | 96.1 | 94.5 | 87.1 | 76.1 | 71.4 | 82.5 |
| Year Highest Occurred | 1986 | 1989 | 1972 | 1989 | 1984 | 1990 | 1989 | 1973 | 1979 | 1979 | 1981 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 56.3 | 58.4 | 61.9 | 69.8 | 81.8 | 88.4 | 89.4 | 85.9 | 85.0 | 75.7 | 65.5 | 58.5 | 76.3 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1981 | 1965 | 1984 | 1979 | 1964 | 1984 | 1961 | 1971 | 1983 |
| Mean Temperature (F) | 45.1 | 47.7 | 51.6 | 58.0 | 64.9 | 74.4 | 78.5 | 76.7 | 72.1 | 62.8 | 52.3 | 46.0 | 60.8 |
| Highest Mean Temperature (F) | 50.6 | 51.5 | 59.2 | 65.1 | 69.7 | 81.5 | 82.6 | 79.7 | 75.8 | 67.9 | 55.8 | 50.1 | 63.2 |
| Year Highest Occurred | 1986 | 1989 | 1972 | 1974 | 1974 | 1974 | 1989 | 1989 | 1983 | 1973 | 1965 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 40.3 | 40.2 | 46.0 | 51.8 | 60.3 | 68.3 | 76.1 | 71.2 | 69.3 | 58.5 | 48.5 | 40.1 | 58.3 |
| Year Lowest Occurred | 1964 | 1964 | 1977 | 1975 | 1980 | 1965 | 1984 | 1979 | 1964 | 1976 | 1979 | 1974 | 1964 |
| Mean Min. Temperature (F) | 26.8 | 29.0 | 33.0 | 38.3 | 44.4 | 53.8 | 63.4 | 61.9 | 54.9 | 43.5 | 33.2 | 27.5 | 42.5 |
| Highest Mean Min. Temperature (F) | 33.2 | 34.2 | 40.7 | 49.6 | 52.3 | 63.0 | 67.4 | 66.5 | 62.2 | 53.9 | 37.9 | 32.4 | 44.6 |
| Year Highest Occurred | 1981 | 1976 | 1978 | 1974 | 1974 | 1974 | 1989 | 1986 | 1983 | 1972 | 1986 | 1962 | 1986 |
| Lowest Mean Min. Temperature (F) | 19.2 | 19.3 | 25.5 | 31.8 | 37.5 | 46.6 | 57.8 | 56.4 | 50.9 | 36.2 | 27.6 | 19.1 | 39.8 |
| Year Lowest Occurred | 1964 | 1964 | 1977 | 1975 | 1980 | 1980 | 1973 | 1979 | 1973 | 1982 | 1979 | 1974 | 1975 |
| Mean Precipitation (in.) | 1.12 | 0.85 | 0.80 | 0.39 | 0.26 | 0.39 | 4.95 | 3.94 | 1.92 | 1.64 | 0.68 | 1.69 | 18.63 |
| Highest Precipitation (in.) | 3.66 | 3.07 | 3.32 | 2.83 | 1.99 | 2.24 | 10.22 | 9.06 | 6.85 | 8.26 | 3.20 | 8.14 | 31.84 |
| Year Highest Occurred | 1977 | 1973 | 1983 | 1988 | 1979 | 1967 | 1984 | 1980 | 1983 | 1977 | 1978 | 1965 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 0.68 | 0.00 | 0.00 | 0.00 | 0.00 | 9.39 |
| Year Lowest Occurred | 1972 | 1984 | 1984 | 1989 | 1988 | 1983 | 1980 | 1973 | 1973 | 1982 | 1980 | 1981 | 1968 |
| Heating Degree Days (F) | 617. | 484. | 422. | 231. | 76. | 10. | 0. | 0. | 0. | 118. | 381. | 589. | 2928. |
| Cooling Degree Days (F) | 0. | 0. | 7. | 21. | 73. | 292. | 419. | 363. | 216. | 50. | 0. | 0. | 1441. |