| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 58.9 | 64.2 | 67.7 | 74.9 | 84.2 | 93.4 | 99.5 | 98.2 | 92.1 | 81.9 | 67.0 | 58.4 | 78.4 |
| Highest Mean Max. Temperature (F) | 65.7 | 70.3 | 75.3 | 83.8 | 89.6 | 99.1 | 103.4 | 103.4 | 98.3 | 88.9 | 72.1 | 65.6 | 80.3 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1987 | 1976 | 1981 | 1988 | 1967 | 1974 | 1978 | 1980 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 54.2 | 58.4 | 61.1 | 62.2 | 74.5 | 86.6 | 94.7 | 92.2 | 84.1 | 74.6 | 61.2 | 52.8 | 74.8 |
| Year Lowest Occurred | 1982 | 1969 | 1973 | 1967 | 1977 | 1982 | 1987 | 1976 | 1986 | 1981 | 1982 | 1971 | 1982 |
| Mean Temperature (F) | 46.7 | 51.0 | 54.1 | 59.5 | 67.5 | 75.9 | 81.9 | 80.8 | 74.8 | 65.4 | 53.7 | 46.5 | 63.2 |
| Highest Mean Temperature (F) | 53.6 | 56.6 | 59.9 | 65.9 | 71.9 | 81.8 | 85.5 | 84.9 | 79.7 | 70.3 | 58.8 | 51.3 | 65.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1973 | 1981 | 1988 | 1967 | 1974 | 1980 | 1967 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 43.0 | 46.0 | 50.2 | 50.4 | 60.4 | 71.1 | 76.8 | 75.8 | 68.3 | 60.7 | 49.9 | 41.4 | 61.2 |
| Year Lowest Occurred | 1972 | 1969 | 1973 | 1967 | 1977 | 1965 | 1983 | 1976 | 1986 | 1984 | 1982 | 1978 | 1982 |
| Mean Min. Temperature (F) | 34.4 | 37.8 | 40.5 | 44.2 | 50.7 | 58.3 | 64.3 | 63.4 | 57.4 | 48.8 | 40.3 | 34.5 | 47.9 |
| Highest Mean Min. Temperature (F) | 41.5 | 43.8 | 45.7 | 49.1 | 55.2 | 64.5 | 68.4 | 67.5 | 62.3 | 53.9 | 46.5 | 40.3 | 51.0 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1989 | 1981 | 1981 | 1980 | 1971 | 1984 | 1980 | 1967 | 1983 | 1981 |
| Lowest Mean Min. Temperature (F) | 30.0 | 33.0 | 34.2 | 38.6 | 46.2 | 54.1 | 58.7 | 58.7 | 52.2 | 44.5 | 35.3 | 28.9 | 46.5 |
| Year Lowest Occurred | 1962 | 1990 | 1977 | 1967 | 1977 | 1965 | 1983 | 1968 | 1965 | 1969 | 1978 | 1990 | 1964 |
| Mean Precipitation (in.) | 4.76 | 4.11 | 4.32 | 2.35 | 0.70 | 0.27 | 0.04 | 0.10 | 0.75 | 1.05 | 3.28 | 3.65 | 25.38 |
| Highest Precipitation (in.) | 21.48 | 14.40 | 9.85 | 10.47 | 2.98 | 1.96 | 0.28 | 1.05 | 4.46 | 3.76 | 8.11 | 15.07 | 50.87 |
| Year Highest Occurred | 1969 | 1962 | 1983 | 1967 | 1990 | 1969 | 1984 | 1975 | 1982 | 1982 | 1983 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.03 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 11.15 |
| Year Lowest Occurred | 1976 | 1964 | 1972 | 1979 | 1984 | 1990 | 1990 | 1990 | 1987 | 1988 | 1962 | 1989 | 1976 |
| Heating Degree Days (F) | 567. | 392. | 338. | 217. | 53. | 0. | 0. | 0. | 8. | 83. | 339. | 574. | 2571. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 52. | 130. | 332. | 524. | 490. | 302. | 96. | 0. | 0. | 1926. |