| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 58.2 | 63.9 | 70.9 | 79.3 | 87.5 | 96.2 | 95.6 | 92.7 | 87.4 | 78.9 | 67.2 | 58.5 | 78.0 |
| Highest Mean Max. Temperature (F) | 64.4 | 68.3 | 77.4 | 87.0 | 92.8 | 101.7 | 100.5 | 97.4 | 93.5 | 85.9 | 73.0 | 64.5 | 80.3 |
| Year Highest Occurred | 1986 | 1976 | 1967 | 1989 | 1989 | 1980 | 1980 | 1977 | 1977 | 1979 | 1965 | 1977 | 1989 |
| Lowest Mean Max. Temperature (F) | 52.5 | 57.6 | 65.2 | 69.6 | 84.0 | 92.9 | 91.5 | 87.8 | 83.4 | 71.7 | 61.0 | 52.8 | 76.5 |
| Year Lowest Occurred | 1985 | 1966 | 1968 | 1983 | 1972 | 1984 | 1968 | 1990 | 1978 | 1971 | 1961 | 1982 | 1968 |
| Mean Temperature (F) | 43.2 | 47.9 | 54.2 | 62.0 | 70.1 | 79.2 | 81.1 | 78.5 | 72.9 | 62.8 | 51.6 | 43.8 | 62.3 |
| Highest Mean Temperature (F) | 47.7 | 52.6 | 59.9 | 70.0 | 76.4 | 85.9 | 85.5 | 82.5 | 77.5 | 68.1 | 56.0 | 49.0 | 65.0 |
| Year Highest Occurred | 1986 | 1986 | 1989 | 1989 | 1984 | 1990 | 1980 | 1977 | 1983 | 1987 | 1965 | 1981 | 1989 |
| Lowest Mean Temperature (F) | 38.0 | 41.4 | 49.1 | 55.3 | 66.1 | 74.3 | 77.8 | 74.4 | 70.0 | 56.4 | 45.4 | 39.8 | 60.2 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1983 | 1972 | 1965 | 1968 | 1968 | 1976 | 1976 | 1976 | 1976 | 1968 |
| Mean Min. Temperature (F) | 28.2 | 31.8 | 37.5 | 44.5 | 52.7 | 62.1 | 66.6 | 64.3 | 58.3 | 46.7 | 35.9 | 29.1 | 46.5 |
| Highest Mean Min. Temperature (F) | 34.0 | 38.2 | 42.8 | 53.0 | 61.0 | 70.3 | 70.5 | 67.8 | 64.2 | 52.9 | 40.5 | 34.8 | 49.7 |
| Year Highest Occurred | 1981 | 1986 | 1989 | 1989 | 1984 | 1990 | 1980 | 1983 | 1983 | 1987 | 1978 | 1984 | 1989 |
| Lowest Mean Min. Temperature (F) | 19.2 | 22.5 | 31.2 | 38.1 | 47.9 | 55.7 | 63.9 | 59.2 | 52.8 | 38.1 | 28.9 | 22.6 | 43.6 |
| Year Lowest Occurred | 1964 | 1964 | 1969 | 1973 | 1967 | 1965 | 1976 | 1968 | 1968 | 1970 | 1976 | 1968 | 1973 |
| Mean Precipitation (in.) | 0.46 | 0.40 | 0.27 | 0.23 | 0.21 | 0.30 | 2.07 | 1.87 | 1.74 | 0.90 | 0.68 | 0.78 | 9.91 |
| Highest Precipitation (in.) | 1.67 | 1.98 | 1.32 | 1.73 | 1.15 | 1.80 | 4.69 | 5.19 | 4.45 | 3.07 | 3.80 | 3.69 | 15.58 |
| Year Highest Occurred | 1985 | 1973 | 1968 | 1981 | 1967 | 1986 | 1970 | 1984 | 1964 | 1984 | 1961 | 1982 | 1984 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.20 | 0.06 | 0.00 | 0.00 | 0.00 | 3.37 |
| Year Lowest Occurred | 1970 | 1984 | 1979 | 1989 | 1983 | 1989 | 1980 | 1975 | 1968 | 1979 | 1965 | 1976 | 1965 |
| Heating Degree Days (F) | 676. | 479. | 343. | 150. | 22. | 0. | 0. | 0. | 0. | 121. | 402. | 657. | 2850. |
| Cooling Degree Days (F) | 0. | 0. | 8. | 60. | 181. | 426. | 499. | 419. | 240. | 53. | 0. | 0. | 1886. |