| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.1 | 58.6 | 66.9 | 75.6 | 83.3 | 90.3 | 91.9 | 89.7 | 83.9 | 75.2 | 63.1 | 54.6 | 73.9 |
| Highest Mean Max. Temperature (F) | 64.7 | 67.6 | 76.2 | 81.7 | 89.4 | 97.8 | 98.1 | 95.3 | 89.3 | 82.2 | 71.0 | 61.3 | 76.5 |
| Year Highest Occurred | 1986 | 1976 | 1967 | 1967 | 1962 | 1990 | 1966 | 1969 | 1977 | 1963 | 1965 | 1980 | 1967 |
| Lowest Mean Max. Temperature (F) | 46.2 | 50.4 | 59.1 | 68.7 | 78.5 | 85.4 | 86.0 | 84.0 | 77.4 | 69.0 | 53.6 | 45.3 | 71.1 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1973 | 1987 | 1988 | 1975 | 1971 | 1974 | 1984 | 1972 | 1983 | 1987 |
| Mean Temperature (F) | 37.8 | 41.9 | 49.3 | 58.1 | 66.6 | 74.8 | 77.7 | 75.7 | 69.4 | 59.0 | 47.2 | 38.9 | 58.0 |
| Highest Mean Temperature (F) | 44.7 | 49.3 | 57.1 | 63.5 | 70.4 | 81.8 | 81.8 | 79.5 | 73.7 | 63.3 | 53.2 | 44.7 | 59.8 |
| Year Highest Occurred | 1969 | 1976 | 1967 | 1967 | 1974 | 1990 | 1966 | 1969 | 1983 | 1963 | 1965 | 1977 | 1977 |
| Lowest Mean Temperature (F) | 32.7 | 35.4 | 42.9 | 51.2 | 63.2 | 71.6 | 74.1 | 72.3 | 64.3 | 53.7 | 39.9 | 31.4 | 56.3 |
| Year Lowest Occurred | 1966 | 1964 | 1969 | 1973 | 1973 | 1979 | 1988 | 1971 | 1974 | 1976 | 1972 | 1983 | 1988 |
| Mean Min. Temperature (F) | 21.3 | 25.1 | 31.7 | 40.4 | 49.8 | 59.3 | 63.5 | 61.7 | 54.9 | 42.7 | 31.3 | 23.2 | 42.1 |
| Highest Mean Min. Temperature (F) | 27.2 | 31.0 | 38.0 | 45.2 | 54.8 | 65.7 | 67.0 | 65.7 | 58.8 | 47.9 | 37.5 | 29.9 | 44.5 |
| Year Highest Occurred | 1968 | 1976 | 1967 | 1967 | 1977 | 1990 | 1980 | 1977 | 1990 | 1983 | 1978 | 1984 | 1977 |
| Lowest Mean Min. Temperature (F) | 13.0 | 19.3 | 25.6 | 33.6 | 45.9 | 55.8 | 59.9 | 59.6 | 51.1 | 38.2 | 24.8 | 17.2 | 40.0 |
| Year Lowest Occurred | 1963 | 1974 | 1965 | 1973 | 1973 | 1973 | 1985 | 1979 | 1974 | 1976 | 1979 | 1989 | 1973 |
| Mean Precipitation (in.) | 0.47 | 0.46 | 0.50 | 0.61 | 1.54 | 2.53 | 2.59 | 2.95 | 2.14 | 1.26 | 0.75 | 0.48 | 16.28 |
| Highest Precipitation (in.) | 3.01 | 1.19 | 2.73 | 2.48 | 4.76 | 6.22 | 6.35 | 8.29 | 4.52 | 5.94 | 3.54 | 1.39 | 25.32 |
| Year Highest Occurred | 1987 | 1975 | 1985 | 1979 | 1984 | 1989 | 1973 | 1987 | 1988 | 1974 | 1978 | 1982 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.02 | 0.00 | 0.20 | 0.00 | 0.12 | 0.07 | 0.10 | 0.00 | 0.00 | 0.00 | 10.39 |
| Year Lowest Occurred | 1988 | 1970 | 1982 | 1989 | 1989 | 1990 | 1980 | 1983 | 1984 | 1989 | 1989 | 1990 | 1970 |
| Heating Degree Days (F) | 843. | 647. | 487. | 226. | 43. | 0. | 0. | 0. | 16. | 195. | 534. | 809. | 3800. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 19. | 93. | 298. | 394. | 332. | 148. | 9. | 0. | 0. | 1293. |