| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.6 | 61.7 | 66.9 | 73.9 | 83.2 | 91.4 | 97.4 | 96.5 | 90.3 | 80.6 | 66.0 | 55.0 | 76.5 |
| Highest Mean Max. Temperature (F) | 62.1 | 67.7 | 74.3 | 83.3 | 88.3 | 96.7 | 100.9 | 101.2 | 95.2 | 86.4 | 71.3 | 62.3 | 78.7 |
| Year Highest Occurred | 1986 | 1988 | 1972 | 1989 | 1984 | 1981 | 1988 | 1967 | 1974 | 1978 | 1989 | 1976 | 1990 |
| Lowest Mean Max. Temperature (F) | 47.1 | 55.8 | 59.7 | 60.3 | 73.7 | 86.1 | 92.5 | 88.3 | 83.9 | 74.8 | 58.5 | 45.9 | 74.0 |
| Year Lowest Occurred | 1972 | 1969 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1984 | 1972 | 1963 | 1971 |
| Mean Temperature (F) | 45.1 | 50.4 | 54.4 | 59.6 | 67.3 | 74.7 | 79.8 | 78.8 | 73.5 | 64.9 | 53.6 | 45.3 | 62.3 |
| Highest Mean Temperature (F) | 52.2 | 56.2 | 59.3 | 67.7 | 71.4 | 79.1 | 84.7 | 84.2 | 78.6 | 68.6 | 58.2 | 51.7 | 64.2 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1989 | 1984 | 1981 | 1990 | 1967 | 1979 | 1988 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 39.3 | 46.1 | 49.8 | 50.7 | 60.1 | 70.5 | 74.4 | 72.7 | 67.5 | 60.2 | 50.4 | 40.6 | 60.1 |
| Year Lowest Occurred | 1972 | 1971 | 1962 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1971 | 1972 | 1963 | 1971 |
| Mean Min. Temperature (F) | 35.6 | 38.9 | 41.9 | 45.3 | 51.3 | 57.9 | 62.2 | 61.1 | 56.7 | 49.1 | 41.3 | 35.6 | 48.1 |
| Highest Mean Min. Temperature (F) | 42.9 | 46.0 | 48.7 | 52.0 | 54.9 | 62.1 | 68.8 | 67.2 | 62.2 | 52.9 | 46.8 | 42.3 | 49.9 |
| Year Highest Occurred | 1978 | 1963 | 1989 | 1989 | 1989 | 1990 | 1990 | 1967 | 1979 | 1963 | 1967 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 28.8 | 34.7 | 35.3 | 40.1 | 46.4 | 53.7 | 56.3 | 57.1 | 51.1 | 43.6 | 36.8 | 28.2 | 45.9 |
| Year Lowest Occurred | 1963 | 1985 | 1977 | 1975 | 1977 | 1980 | 1987 | 1976 | 1986 | 1971 | 1971 | 1990 | 1975 |
| Mean Precipitation (in.) | 2.58 | 2.26 | 2.20 | 1.15 | 0.38 | 0.09 | 0.01 | 0.02 | 0.35 | 0.66 | 1.78 | 1.99 | 13.47 |
| Highest Precipitation (in.) | 10.32 | 8.56 | 5.54 | 4.88 | 2.41 | 1.30 | 0.08 | 0.30 | 3.74 | 2.51 | 6.41 | 8.05 | 29.19 |
| Year Highest Occurred | 1969 | 1978 | 1982 | 1967 | 1990 | 1982 | 1988 | 1983 | 1982 | 1974 | 1983 | 1977 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.22 |
| Year Lowest Occurred | 1984 | 1964 | 1972 | 1979 | 1982 | 1990 | 1990 | 1990 | 1990 | 1988 | 1988 | 1989 | 1989 |
| Heating Degree Days (F) | 617. | 409. | 335. | 211. | 52. | 0. | 0. | 0. | 9. | 84. | 342. | 611. | 2670. |
| Cooling Degree Days (F) | 0. | 0. | 6. | 49. | 124. | 295. | 459. | 428. | 264. | 81. | 0. | 0. | 1706. |