| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.7 | 56.8 | 59.3 | 65.8 | 74.8 | 83.9 | 90.8 | 89.7 | 83.7 | 73.6 | 59.7 | 53.4 | 70.4 |
| Highest Mean Max. Temperature (F) | 59.8 | 64.1 | 65.5 | 75.5 | 80.6 | 90.0 | 95.6 | 97.6 | 89.8 | 81.0 | 66.5 | 60.3 | 72.5 |
| Year Highest Occurred | 1984 | 1988 | 1988 | 1987 | 1982 | 1981 | 1988 | 1967 | 1967 | 1965 | 1976 | 1989 | 1981 |
| Lowest Mean Max. Temperature (F) | 49.0 | 48.0 | 54.4 | 51.1 | 65.0 | 77.3 | 81.0 | 81.2 | 76.0 | 66.6 | 52.1 | 46.8 | 68.3 |
| Year Lowest Occurred | 1982 | 1969 | 1975 | 1967 | 1977 | 1980 | 1966 | 1976 | 1986 | 1984 | 1973 | 1972 | 1975 |
| Mean Temperature (F) | 45.4 | 48.3 | 50.3 | 55.5 | 63.1 | 71.1 | 77.2 | 76.2 | 71.1 | 62.7 | 51.3 | 45.4 | 59.8 |
| Highest Mean Temperature (F) | 50.8 | 53.9 | 56.0 | 63.4 | 68.1 | 77.0 | 81.9 | 82.3 | 75.9 | 68.4 | 56.6 | 50.6 | 61.7 |
| Year Highest Occurred | 1986 | 1988 | 1972 | 1987 | 1973 | 1985 | 1988 | 1967 | 1984 | 1987 | 1976 | 1976 | 1988 |
| Lowest Mean Temperature (F) | 41.5 | 41.6 | 45.5 | 43.4 | 55.5 | 65.6 | 69.3 | 69.9 | 65.2 | 56.9 | 46.8 | 39.4 | 58.0 |
| Year Lowest Occurred | 1969 | 1969 | 1962 | 1967 | 1977 | 1980 | 1966 | 1976 | 1986 | 1984 | 1973 | 1972 | 1962 |
| Mean Min. Temperature (F) | 36.9 | 39.8 | 41.2 | 45.3 | 51.3 | 58.2 | 63.5 | 62.6 | 58.5 | 51.6 | 42.8 | 37.3 | 49.1 |
| Highest Mean Min. Temperature (F) | 43.8 | 44.6 | 46.7 | 51.3 | 56.5 | 64.4 | 68.5 | 67.0 | 63.0 | 57.6 | 46.6 | 42.5 | 51.2 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1987 | 1987 | 1985 | 1985 | 1967 | 1984 | 1987 | 1976 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 31.4 | 35.1 | 36.0 | 35.6 | 43.6 | 53.2 | 57.6 | 57.2 | 52.1 | 46.7 | 38.5 | 32.0 | 45.4 |
| Year Lowest Occurred | 1963 | 1990 | 1962 | 1967 | 1961 | 1965 | 1966 | 1962 | 1961 | 1961 | 1961 | 1972 | 1962 |
| Mean Precipitation (in.) | 9.97 | 7.57 | 7.88 | 3.82 | 1.17 | 0.53 | 0.12 | 0.29 | 1.12 | 3.20 | 8.52 | 8.52 | 52.71 |
| Highest Precipitation (in.) | 27.34 | 21.77 | 22.48 | 11.61 | 8.60 | 2.13 | 2.50 | 1.76 | 5.47 | 19.00 | 25.21 | 21.00 | 96.14 |
| Year Highest Occurred | 1970 | 1986 | 1974 | 1967 | 1990 | 1967 | 1974 | 1965 | 1986 | 1962 | 1973 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.50 | 0.29 | 1.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.04 | 0.00 | 18.47 |
| Year Lowest Occurred | 1984 | 1967 | 1988 | 1966 | 1982 | 1987 | 1990 | 1989 | 1988 | 1978 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 608. | 468. | 456. | 324. | 141. | 24. | 0. | 0. | 26. | 148. | 411. | 608. | 3214. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 39. | 82. | 207. | 378. | 351. | 209. | 76. | 0. | 0. | 1342. |