| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.6 | 57.4 | 65.5 | 74.6 | 82.6 | 90.2 | 91.8 | 89.6 | 83.5 | 74.2 | 62.3 | 54.3 | 73.2 |
| Highest Mean Max. Temperature (F) | 61.8 | 67.2 | 74.0 | 80.4 | 88.2 | 99.1 | 99.6 | 94.5 | 92.0 | 80.3 | 69.4 | 60.9 | 76.6 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1978 | 1974 | 1990 | 1980 | 1969 | 1977 | 1979 | 1985 | 1970 | 1977 |
| Lowest Mean Max. Temperature (F) | 44.2 | 46.3 | 54.1 | 66.5 | 78.7 | 85.6 | 84.6 | 83.4 | 75.9 | 68.0 | 52.4 | 47.4 | 71.1 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1973 | 1987 | 1986 | 1988 | 1971 | 1974 | 1970 | 1961 | 1983 | 1961 |
| Mean Temperature (F) | 38.2 | 42.5 | 49.2 | 57.7 | 66.1 | 74.5 | 77.4 | 75.3 | 69.0 | 58.9 | 47.5 | 39.8 | 58.0 |
| Highest Mean Temperature (F) | 45.5 | 50.4 | 55.7 | 62.3 | 70.4 | 82.5 | 83.7 | 79.4 | 74.5 | 64.8 | 53.2 | 45.4 | 60.4 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1989 | 1989 | 1990 | 1980 | 1969 | 1977 | 1963 | 1965 | 1980 | 1977 |
| Lowest Mean Temperature (F) | 31.1 | 33.8 | 41.1 | 50.9 | 62.6 | 71.6 | 71.8 | 69.6 | 62.9 | 53.3 | 38.4 | 33.1 | 56.0 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1973 | 1973 | 1970 | 1972 | 1971 | 1974 | 1976 | 1972 | 1983 | 1961 |
| Mean Min. Temperature (F) | 23.7 | 27.5 | 32.9 | 40.7 | 49.6 | 58.8 | 62.9 | 60.9 | 54.5 | 43.4 | 32.6 | 25.3 | 42.7 |
| Highest Mean Min. Temperature (F) | 30.6 | 33.5 | 38.8 | 45.0 | 53.0 | 65.9 | 67.8 | 64.2 | 58.4 | 49.6 | 38.9 | 30.8 | 44.9 |
| Year Highest Occurred | 1969 | 1976 | 1967 | 1969 | 1977 | 1990 | 1980 | 1969 | 1990 | 1963 | 1965 | 1965 | 1969 |
| Lowest Mean Min. Temperature (F) | 16.1 | 21.3 | 27.0 | 35.0 | 45.3 | 54.3 | 55.5 | 53.5 | 49.2 | 36.8 | 22.6 | 18.7 | 38.5 |
| Year Lowest Occurred | 1963 | 1964 | 1965 | 1984 | 1983 | 1972 | 1972 | 1972 | 1972 | 1976 | 1972 | 1983 | 1972 |
| Mean Precipitation (in.) | 0.41 | 0.44 | 0.40 | 0.64 | 1.30 | 2.05 | 2.37 | 2.62 | 2.21 | 1.27 | 0.69 | 0.44 | 14.84 |
| Highest Precipitation (in.) | 2.16 | 1.68 | 2.00 | 2.66 | 5.92 | 5.90 | 5.20 | 6.42 | 6.31 | 5.52 | 2.43 | 1.94 | 25.30 |
| Year Highest Occurred | 1968 | 1987 | 1985 | 1977 | 1988 | 1986 | 1984 | 1974 | 1980 | 1983 | 1986 | 1987 | 1985 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.36 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.86 |
| Year Lowest Occurred | 1986 | 1985 | 1976 | 1989 | 1975 | 1990 | 1965 | 1983 | 1984 | 1989 | 1989 | 1983 | 1976 |
| Heating Degree Days (F) | 831. | 630. | 495. | 239. | 45. | 6. | 0. | 0. | 27. | 208. | 525. | 781. | 3787. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 20. | 80. | 291. | 384. | 323. | 147. | 19. | 0. | 0. | 1264. |