| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.8 | 43.0 | 50.6 | 60.0 | 70.8 | 82.0 | 89.9 | 87.5 | 78.6 | 65.8 | 50.3 | 37.5 | 62.7 |
| Highest Mean Max. Temperature (F) | 46.6 | 51.5 | 60.6 | 68.9 | 77.4 | 89.2 | 97.2 | 92.4 | 87.3 | 76.9 | 58.6 | 45.4 | 65.9 |
| Year Highest Occurred | 1961 | 1963 | 1972 | 1987 | 1969 | 1987 | 1989 | 1988 | 1990 | 1988 | 1962 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 26.7 | 35.7 | 40.6 | 51.3 | 64.6 | 75.3 | 86.1 | 79.1 | 70.1 | 56.6 | 42.9 | 28.9 | 59.6 |
| Year Lowest Occurred | 1984 | 1964 | 1964 | 1975 | 1983 | 1967 | 1983 | 1968 | 1965 | 1969 | 1979 | 1985 | 1984 |
| Mean Temperature (F) | 24.3 | 31.0 | 38.0 | 46.1 | 55.5 | 65.1 | 73.0 | 70.9 | 62.0 | 50.3 | 37.9 | 26.5 | 48.4 |
| Highest Mean Temperature (F) | 32.0 | 37.8 | 45.4 | 52.4 | 60.9 | 70.8 | 78.0 | 73.6 | 69.3 | 57.8 | 43.9 | 34.8 | 50.4 |
| Year Highest Occurred | 1969 | 1963 | 1986 | 1989 | 1969 | 1977 | 1989 | 1969 | 1990 | 1988 | 1965 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 16.4 | 21.2 | 28.7 | 39.8 | 51.1 | 60.5 | 70.4 | 64.5 | 55.4 | 43.7 | 31.3 | 19.6 | 45.7 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1975 | 1983 | 1964 | 1982 | 1968 | 1965 | 1969 | 1979 | 1990 | 1964 |
| Mean Min. Temperature (F) | 12.8 | 18.9 | 25.3 | 32.1 | 40.1 | 48.2 | 56.1 | 54.3 | 45.2 | 34.8 | 25.4 | 15.5 | 34.1 |
| Highest Mean Min. Temperature (F) | 22.3 | 26.4 | 32.7 | 36.6 | 44.4 | 53.2 | 58.9 | 57.6 | 51.3 | 39.8 | 31.8 | 24.3 | 36.9 |
| Year Highest Occurred | 1978 | 1986 | 1978 | 1990 | 1969 | 1977 | 1966 | 1983 | 1990 | 1963 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 3.3 | 6.7 | 16.8 | 27.3 | 35.8 | 44.7 | 53.2 | 49.8 | 39.3 | 29.0 | 19.6 | 6.2 | 31.2 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1970 | 1975 | 1964 | 1962 | 1968 | 1970 | 1970 | 1979 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.21 | 1.23 | 1.65 | 1.52 | 1.45 | 0.87 | 0.82 | 0.97 | 1.38 | 1.36 | 1.29 | 1.37 | 15.12 |
| Highest Precipitation (in.) | 2.81 | 4.17 | 3.09 | 4.26 | 4.36 | 2.90 | 2.52 | 2.53 | 6.25 | 3.89 | 2.70 | 4.13 | 22.60 |
| Year Highest Occurred | 1969 | 1962 | 1983 | 1968 | 1981 | 1984 | 1967 | 1963 | 1982 | 1981 | 1978 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.01 | 0.23 | 0.10 | 0.17 | 0.08 | 0.00 | 0.02 | 0.07 | 0.00 | 0.20 | 0.30 | 0.17 | 6.34 |
| Year Lowest Occurred | 1961 | 1967 | 1972 | 1977 | 1969 | 1979 | 1978 | 1985 | 1979 | 1965 | 1962 | 1976 | 1976 |
| Heating Degree Days (F) | 1262. | 952. | 837. | 567. | 302. | 93. | 0. | 8. | 151. | 462. | 813. | 1194. | 6641. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 96. | 248. | 191. | 61. | 6. | 0. | 0. | 610. |