| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.2 | 49.5 | 56.9 | 67.4 | 75.7 | 86.9 | 91.8 | 88.9 | 80.9 | 69.8 | 55.3 | 45.8 | 67.8 |
| Highest Mean Max. Temperature (F) | 56.5 | 58.2 | 66.3 | 75.6 | 82.5 | 93.2 | 96.9 | 93.3 | 85.7 | 78.7 | 62.9 | 55.7 | 70.4 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1981 | 1974 | 1990 | 1964 | 1983 | 1983 | 1963 | 1990 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 29.5 | 38.3 | 45.3 | 58.6 | 69.7 | 79.7 | 86.8 | 84.9 | 74.7 | 56.3 | 42.7 | 33.4 | 65.1 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1982 | 1990 | 1965 | 1965 | 1969 | 1972 | 1983 | 1985 |
| Mean Temperature (F) | 28.8 | 34.0 | 40.7 | 50.6 | 59.7 | 69.7 | 75.3 | 72.7 | 64.3 | 52.9 | 39.7 | 30.7 | 51.6 |
| Highest Mean Temperature (F) | 39.8 | 40.0 | 48.1 | 57.2 | 63.4 | 74.2 | 78.6 | 76.8 | 68.4 | 59.2 | 45.0 | 39.8 | 54.1 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1974 | 1981 | 1980 | 1983 | 1983 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 16.5 | 25.0 | 31.1 | 44.3 | 55.3 | 65.6 | 71.3 | 69.9 | 59.2 | 44.9 | 31.1 | 20.5 | 49.7 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1982 | 1961 | 1965 | 1961 | 1969 | 1972 | 1983 | 1961 |
| Mean Min. Temperature (F) | 13.3 | 18.4 | 24.5 | 33.7 | 43.6 | 52.5 | 58.7 | 56.4 | 47.7 | 35.9 | 24.0 | 15.6 | 35.4 |
| Highest Mean Min. Temperature (F) | 23.1 | 24.0 | 31.0 | 39.2 | 47.2 | 56.1 | 62.4 | 60.3 | 52.7 | 39.6 | 29.1 | 23.8 | 37.8 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1969 | 1987 | 1988 | 1966 | 1983 | 1969 | 1963 | 1981 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 0.8 | 11.6 | 16.9 | 29.0 | 40.2 | 49.8 | 54.5 | 53.4 | 42.9 | 32.4 | 19.4 | 7.6 | 33.7 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1973 | 1975 | 1983 | 1961 | 1964 | 1961 | 1970 | 1972 | 1983 | 1961 |
| Mean Precipitation (in.) | 0.18 | 0.18 | 0.49 | 0.78 | 1.61 | 1.49 | 1.97 | 1.74 | 0.93 | 0.53 | 0.28 | 0.25 | 10.43 |
| Highest Precipitation (in.) | 0.52 | 1.38 | 2.59 | 2.90 | 3.39 | 4.66 | 4.20 | 4.15 | 2.88 | 1.80 | 1.05 | 1.13 | 16.41 |
| Year Highest Occurred | 1979 | 1987 | 1990 | 1980 | 1987 | 1961 | 1965 | 1986 | 1972 | 1984 | 1972 | 1979 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.00 | 0.23 | 0.41 | 0.07 | 0.00 | 0.00 | 0.00 | 4.43 |
| Year Lowest Occurred | 1969 | 1984 | 1966 | 1963 | 1966 | 1964 | 1964 | 1971 | 1975 | 1988 | 1989 | 1980 | 1964 |
| Heating Degree Days (F) | 1122. | 868. | 753. | 432. | 178. | 18. | 0. | 0. | 87. | 379. | 759. | 1063. | 5659. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 159. | 319. | 241. | 66. | 0. | 0. | 0. | 799. |