| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.7 | 57.9 | 60.4 | 66.5 | 75.0 | 84.1 | 91.6 | 90.8 | 85.2 | 75.5 | 59.7 | 49.3 | 70.6 |
| Highest Mean Max. Temperature (F) | 58.0 | 65.0 | 68.3 | 75.3 | 80.8 | 90.4 | 97.0 | 96.6 | 91.0 | 81.5 | 67.2 | 54.2 | 72.9 |
| Year Highest Occurred | 1961 | 1977 | 1972 | 1987 | 1984 | 1961 | 1961 | 1967 | 1974 | 1964 | 1976 | 1977 | 1977 |
| Lowest Mean Max. Temperature (F) | 44.9 | 48.1 | 54.9 | 50.4 | 65.5 | 78.9 | 85.7 | 83.5 | 76.3 | 69.1 | 52.6 | 41.9 | 67.7 |
| Year Lowest Occurred | 1982 | 1969 | 1975 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1973 | 1971 | 1982 |
| Mean Temperature (F) | 42.3 | 46.2 | 48.2 | 52.8 | 60.0 | 67.6 | 73.9 | 73.5 | 68.5 | 60.2 | 48.6 | 41.3 | 56.9 |
| Highest Mean Temperature (F) | 47.5 | 51.7 | 53.9 | 59.3 | 64.5 | 72.5 | 78.1 | 78.8 | 72.6 | 65.4 | 53.2 | 45.5 | 58.7 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1973 | 1961 | 1961 | 1967 | 1984 | 1964 | 1967 | 1962 | 1981 |
| Lowest Mean Temperature (F) | 37.6 | 40.3 | 44.3 | 42.2 | 52.5 | 62.9 | 68.2 | 66.9 | 61.9 | 55.6 | 45.0 | 35.8 | 55.1 |
| Year Lowest Occurred | 1982 | 1990 | 1973 | 1967 | 1977 | 1980 | 1983 | 1976 | 1986 | 1984 | 1985 | 1990 | 1982 |
| Mean Min. Temperature (F) | 32.9 | 34.5 | 35.9 | 39.1 | 44.8 | 51.0 | 56.3 | 56.1 | 51.7 | 44.8 | 37.6 | 33.1 | 43.2 |
| Highest Mean Min. Temperature (F) | 38.8 | 40.6 | 41.1 | 43.7 | 48.5 | 55.9 | 59.5 | 61.5 | 55.2 | 50.1 | 41.6 | 39.0 | 44.8 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1966 | 1973 | 1977 | 1985 | 1961 | 1967 | 1987 | 1967 | 1964 | 1981 |
| Lowest Mean Min. Temperature (F) | 29.2 | 29.2 | 31.3 | 32.9 | 39.4 | 46.9 | 50.3 | 50.3 | 47.4 | 40.3 | 34.1 | 26.8 | 41.0 |
| Year Lowest Occurred | 1989 | 1990 | 1977 | 1975 | 1977 | 1980 | 1983 | 1976 | 1986 | 1971 | 1978 | 1990 | 1975 |
| Mean Precipitation (in.) | 8.13 | 6.81 | 7.01 | 4.07 | 1.20 | 0.39 | 0.21 | 0.29 | 0.97 | 2.64 | 6.74 | 7.13 | 45.59 |
| Highest Precipitation (in.) | 22.00 | 24.74 | 16.20 | 13.64 | 4.48 | 2.12 | 3.57 | 3.30 | 4.52 | 8.76 | 19.33 | 27.70 | 88.44 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1967 | 1990 | 1970 | 1974 | 1976 | 1989 | 1962 | 1983 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.48 | 0.63 | 1.38 | 0.36 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 0.00 | 17.25 |
| Year Lowest Occurred | 1984 | 1964 | 1972 | 1985 | 1970 | 1990 | 1989 | 1990 | 1987 | 1986 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 704. | 526. | 521. | 382. | 186. | 49. | 6. | 8. | 39. | 185. | 492. | 735. | 3833. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 16. | 31. | 127. | 282. | 272. | 144. | 36. | 0. | 0. | 908. |