| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.5 | 42.9 | 50.7 | 60.7 | 69.4 | 79.5 | 89.2 | 87.8 | 77.1 | 65.0 | 48.5 | 38.0 | 62.1 |
| Highest Mean Max. Temperature (F) | 43.2 | 51.8 | 60.0 | 72.8 | 75.6 | 87.5 | 94.0 | 93.1 | 85.5 | 74.8 | 55.1 | 44.9 | 65.0 |
| Year Highest Occurred | 1961 | 1963 | 1986 | 1987 | 1969 | 1988 | 1985 | 1981 | 1990 | 1988 | 1965 | 1980 | 1988 |
| Lowest Mean Max. Temperature (F) | 25.7 | 33.6 | 43.2 | 51.3 | 62.5 | 70.8 | 83.7 | 77.6 | 68.7 | 57.3 | 41.4 | 29.9 | 59.0 |
| Year Lowest Occurred | 1979 | 1984 | 1964 | 1975 | 1977 | 1964 | 1987 | 1968 | 1965 | 1969 | 1985 | 1983 | 1984 |
| Mean Temperature (F) | 26.1 | 31.9 | 38.1 | 45.8 | 53.6 | 61.8 | 69.4 | 68.0 | 58.3 | 48.0 | 36.3 | 27.2 | 47.0 |
| Highest Mean Temperature (F) | 33.2 | 41.1 | 46.1 | 53.3 | 57.8 | 67.8 | 73.9 | 73.5 | 65.1 | 55.6 | 40.6 | 34.9 | 49.0 |
| Year Highest Occurred | 1978 | 1963 | 1986 | 1987 | 1969 | 1988 | 1985 | 1970 | 1990 | 1988 | 1965 | 1977 | 1988 |
| Lowest Mean Temperature (F) | 14.9 | 21.8 | 30.5 | 38.9 | 48.6 | 55.7 | 66.1 | 61.1 | 50.7 | 42.7 | 29.8 | 17.5 | 44.2 |
| Year Lowest Occurred | 1979 | 1985 | 1964 | 1967 | 1965 | 1964 | 1965 | 1968 | 1965 | 1969 | 1979 | 1990 | 1964 |
| Mean Min. Temperature (F) | 15.7 | 21.0 | 25.5 | 31.0 | 37.8 | 44.0 | 49.6 | 48.1 | 39.4 | 31.0 | 24.1 | 16.5 | 32.0 |
| Highest Mean Min. Temperature (F) | 25.5 | 30.3 | 32.2 | 36.4 | 42.8 | 49.1 | 54.7 | 54.0 | 45.5 | 36.3 | 29.5 | 27.6 | 34.1 |
| Year Highest Occurred | 1978 | 1963 | 1986 | 1990 | 1987 | 1977 | 1975 | 1970 | 1963 | 1988 | 1970 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 4.1 | 9.6 | 17.8 | 24.9 | 32.7 | 40.6 | 44.6 | 44.2 | 31.3 | 24.0 | 15.8 | 4.5 | 28.1 |
| Year Lowest Occurred | 1979 | 1985 | 1964 | 1967 | 1965 | 1964 | 1964 | 1964 | 1964 | 1966 | 1979 | 1990 | 1964 |
| Mean Precipitation (in.) | 0.77 | 0.61 | 0.80 | 0.99 | 1.55 | 1.29 | 0.87 | 0.94 | 0.82 | 0.73 | 0.87 | 0.75 | 10.99 |
| Highest Precipitation (in.) | 3.05 | 2.38 | 2.51 | 2.30 | 4.17 | 2.84 | 2.74 | 3.62 | 3.52 | 2.34 | 1.88 | 4.17 | 16.83 |
| Year Highest Occurred | 1980 | 1986 | 1983 | 1971 | 1980 | 1964 | 1982 | 1965 | 1982 | 1972 | 1973 | 1964 | 1980 |
| Lowest Precipitation (in.) | 0.01 | 0.08 | 0.02 | 0.00 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.60 |
| Year Lowest Occurred | 1977 | 1990 | 1966 | 1977 | 1974 | 1966 | 1990 | 1964 | 1988 | 1988 | 1976 | 1976 | 1966 |
| Heating Degree Days (F) | 1206. | 927. | 834. | 576. | 353. | 150. | 16. | 60. | 228. | 527. | 861. | 1172. | 6910. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 54. | 153. | 153. | 27. | 0. | 0. | 0. | 387. |