| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.8 | 47.9 | 54.9 | 63.4 | 72.9 | 82.5 | 92.6 | 90.7 | 80.4 | 68.2 | 51.5 | 41.0 | 65.5 |
| Highest Mean Max. Temperature (F) | 45.3 | 54.6 | 61.5 | 74.5 | 80.5 | 90.9 | 96.7 | 97.9 | 89.5 | 78.6 | 61.0 | 46.1 | 67.9 |
| Year Highest Occurred | 1990 | 1970 | 1978 | 1987 | 1969 | 1974 | 1968 | 1970 | 1990 | 1988 | 1976 | 1977 | 1988 |
| Lowest Mean Max. Temperature (F) | 30.0 | 36.9 | 49.2 | 52.8 | 65.7 | 75.2 | 86.5 | 81.7 | 71.8 | 60.5 | 41.5 | 26.8 | 61.5 |
| Year Lowest Occurred | 1984 | 1989 | 1985 | 1967 | 1977 | 1963 | 1982 | 1976 | 1986 | 1984 | 1985 | 1985 | 1984 |
| Mean Temperature (F) | 28.6 | 35.6 | 40.4 | 46.8 | 55.6 | 64.4 | 72.0 | 69.7 | 59.7 | 49.2 | 37.9 | 29.8 | 49.1 |
| Highest Mean Temperature (F) | 34.3 | 41.8 | 47.1 | 53.9 | 61.0 | 70.3 | 76.1 | 74.1 | 67.4 | 56.5 | 41.6 | 37.1 | 51.3 |
| Year Highest Occurred | 1967 | 1986 | 1978 | 1987 | 1969 | 1977 | 1985 | 1967 | 1990 | 1988 | 1966 | 1977 | 1988 |
| Lowest Mean Temperature (F) | 18.5 | 26.8 | 35.0 | 40.6 | 52.1 | 60.0 | 67.5 | 64.4 | 53.9 | 44.7 | 29.9 | 15.5 | 45.7 |
| Year Lowest Occurred | 1984 | 1989 | 1976 | 1967 | 1978 | 1984 | 1983 | 1976 | 1965 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 17.3 | 23.3 | 25.8 | 30.1 | 38.4 | 46.3 | 51.3 | 48.6 | 39.0 | 30.2 | 24.2 | 18.5 | 32.8 |
| Highest Mean Min. Temperature (F) | 25.8 | 32.9 | 33.2 | 35.3 | 43.8 | 51.8 | 58.0 | 54.1 | 45.2 | 34.6 | 30.1 | 28.1 | 34.8 |
| Year Highest Occurred | 1978 | 1986 | 1989 | 1988 | 1987 | 1977 | 1975 | 1961 | 1990 | 1979 | 1983 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 6.6 | 14.8 | 19.9 | 24.4 | 34.8 | 43.1 | 47.2 | 45.8 | 32.5 | 26.0 | 16.6 | 4.1 | 29.3 |
| Year Lowest Occurred | 1977 | 1985 | 1976 | 1970 | 1975 | 1984 | 1983 | 1962 | 1971 | 1966 | 1969 | 1985 | 1985 |
| Mean Precipitation (in.) | 0.67 | 0.54 | 0.81 | 0.74 | 0.97 | 0.99 | 0.36 | 0.49 | 0.58 | 0.56 | 0.86 | 0.71 | 8.28 |
| Highest Precipitation (in.) | 1.76 | 1.68 | 1.92 | 2.74 | 3.67 | 4.28 | 1.58 | 2.70 | 2.37 | 2.27 | 1.81 | 2.43 | 11.45 |
| Year Highest Occurred | 1970 | 1986 | 1966 | 1978 | 1987 | 1967 | 1976 | 1968 | 1971 | 1962 | 1970 | 1964 | 1963 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.45 |
| Year Lowest Occurred | 1989 | 1971 | 1969 | 1972 | 1978 | 1977 | 1989 | 1986 | 1987 | 1988 | 1976 | 1967 | 1988 |
| Heating Degree Days (F) | 1128. | 823. | 763. | 546. | 296. | 103. | 10. | 21. | 202. | 490. | 813. | 1091. | 6286. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 85. | 227. | 166. | 43. | 0. | 0. | 0. | 521. |