| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 65.1 | 68.5 | 71.8 | 79.6 | 89.1 | 99.2 | 102.6 | 100.1 | 94.9 | 85.5 | 73.7 | 65.9 | 83.0 |
| Highest Mean Max. Temperature (F) | 73.5 | 74.2 | 82.0 | 88.2 | 95.7 | 105.7 | 106.1 | 105.6 | 100.1 | 91.6 | 78.7 | 74.2 | 85.3 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1972 | 1969 | 1979 | 1965 | 1966 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 55.9 | 62.7 | 60.8 | 72.1 | 82.6 | 91.8 | 98.3 | 96.1 | 89.1 | 78.5 | 66.4 | 59.0 | 80.7 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1986 | 1968 | 1985 | 1972 | 1972 | 1967 | 1983 |
| Mean Temperature (F) | 52.3 | 55.5 | 58.6 | 65.3 | 73.9 | 83.6 | 89.0 | 86.8 | 81.5 | 71.9 | 60.4 | 53.2 | 69.3 |
| Highest Mean Temperature (F) | 59.8 | 61.0 | 67.5 | 73.1 | 79.7 | 89.2 | 92.1 | 92.2 | 85.0 | 77.3 | 64.4 | 59.7 | 71.2 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1970 | 1969 | 1979 | 1988 | 1962 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 46.0 | 49.8 | 50.8 | 58.2 | 68.0 | 76.8 | 85.6 | 82.7 | 76.2 | 65.3 | 54.6 | 48.0 | 67.9 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1986 | 1968 | 1985 | 1971 | 1972 | 1967 | 1975 |
| Mean Min. Temperature (F) | 39.5 | 42.4 | 45.2 | 50.9 | 58.7 | 68.0 | 75.5 | 73.4 | 68.1 | 58.1 | 47.0 | 40.4 | 55.6 |
| Highest Mean Min. Temperature (F) | 46.0 | 47.8 | 52.9 | 58.0 | 63.7 | 72.6 | 78.1 | 78.7 | 72.1 | 63.8 | 51.5 | 45.1 | 57.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1970 | 1969 | 1977 | 1988 | 1965 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 36.0 | 36.9 | 39.5 | 44.3 | 53.4 | 61.8 | 71.6 | 69.3 | 63.3 | 51.7 | 40.7 | 34.6 | 53.4 |
| Year Lowest Occurred | 1979 | 1966 | 1977 | 1975 | 1977 | 1965 | 1987 | 1980 | 1985 | 1971 | 1975 | 1974 | 1975 |
| Mean Precipitation (in.) | 1.54 | 1.57 | 2.04 | 0.66 | 0.27 | 0.19 | 1.35 | 2.14 | 1.40 | 0.83 | 1.55 | 1.79 | 15.33 |
| Highest Precipitation (in.) | 6.50 | 8.35 | 8.19 | 3.27 | 1.89 | 1.45 | 3.68 | 7.35 | 6.53 | 7.00 | 5.07 | 8.77 | 32.56 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1965 | 1979 | 1967 | 1984 | 1963 | 1966 | 1972 | 1978 | 1965 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.24 |
| Year Lowest Occurred | 1984 | 1984 | 1984 | 1989 | 1988 | 1989 | 1963 | 1977 | 1980 | 1973 | 1989 | 1981 | 1971 |
| Heating Degree Days (F) | 394. | 272. | 238. | 113. | 9. | 0. | 0. | 0. | 0. | 23. | 164. | 370. | 1583. |
| Cooling Degree Days (F) | 0. | 6. | 39. | 122. | 285. | 558. | 744. | 676. | 495. | 237. | 26. | 0. | 3188. |