| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.2 | 44.3 | 51.6 | 62.9 | 72.2 | 82.6 | 89.6 | 88.2 | 79.1 | 67.6 | 50.7 | 40.1 | 63.9 |
| Highest Mean Max. Temperature (F) | 47.6 | 54.3 | 62.2 | 70.0 | 78.9 | 90.2 | 94.5 | 94.2 | 85.4 | 75.1 | 57.8 | 52.2 | 66.3 |
| Year Highest Occurred | 1989 | 1970 | 1972 | 1987 | 1966 | 1990 | 1964 | 1970 | 1978 | 1963 | 1989 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 25.0 | 31.2 | 40.5 | 52.7 | 65.5 | 75.0 | 84.4 | 83.3 | 68.3 | 53.2 | 35.1 | 21.5 | 61.6 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1967 | 1982 | 1962 | 1966 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Temperature (F) | 25.9 | 31.5 | 38.2 | 48.6 | 58.3 | 68.2 | 74.7 | 73.1 | 63.7 | 52.4 | 37.9 | 28.0 | 50.0 |
| Highest Mean Temperature (F) | 33.5 | 38.2 | 46.1 | 54.3 | 62.4 | 73.5 | 78.4 | 77.8 | 68.1 | 59.9 | 43.5 | 37.3 | 52.2 |
| Year Highest Occurred | 1965 | 1976 | 1986 | 1981 | 1962 | 1988 | 1964 | 1983 | 1990 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 13.7 | 21.2 | 27.1 | 41.6 | 53.4 | 62.5 | 71.0 | 69.4 | 55.7 | 43.3 | 25.9 | 12.5 | 48.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1984 | 1983 | 1982 | 1972 | 1966 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Min. Temperature (F) | 13.6 | 18.7 | 24.8 | 34.2 | 44.3 | 53.7 | 59.8 | 57.9 | 48.4 | 37.1 | 25.0 | 15.9 | 36.1 |
| Highest Mean Min. Temperature (F) | 21.3 | 25.1 | 32.5 | 39.4 | 49.3 | 58.3 | 63.7 | 62.0 | 54.3 | 44.6 | 30.2 | 22.3 | 38.0 |
| Year Highest Occurred | 1983 | 1976 | 1986 | 1981 | 1987 | 1988 | 1966 | 1983 | 1963 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Min. Temperature (F) | 2.3 | 9.0 | 13.7 | 29.7 | 39.5 | 49.5 | 56.7 | 54.6 | 43.1 | 32.4 | 16.6 | 3.5 | 34.2 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1983 | 1969 | 1972 | 1974 | 1965 | 1976 | 1985 | 1983 | 1978 |
| Mean Precipitation (in.) | 0.44 | 0.47 | 1.22 | 1.75 | 3.52 | 3.04 | 2.80 | 1.60 | 1.23 | 0.80 | 0.68 | 0.49 | 18.04 |
| Highest Precipitation (in.) | 1.81 | 2.57 | 3.64 | 5.02 | 8.70 | 7.84 | 5.27 | 5.07 | 4.75 | 3.58 | 2.40 | 1.65 | 23.38 |
| Year Highest Occurred | 1988 | 1987 | 1983 | 1977 | 1969 | 1967 | 1990 | 1968 | 1973 | 1969 | 1972 | 1979 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.08 | 0.27 | 0.40 | 0.44 | 1.13 | 0.12 | 0.03 | 0.00 | 0.00 | 0.00 | 10.24 |
| Year Lowest Occurred | 1964 | 1979 | 1972 | 1965 | 1964 | 1990 | 1976 | 1970 | 1983 | 1974 | 1965 | 1990 | 1964 |
| Heating Degree Days (F) | 1212. | 938. | 831. | 492. | 229. | 48. | 0. | 0. | 115. | 396. | 813. | 1147. | 6221. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 22. | 144. | 301. | 256. | 76. | 6. | 0. | 0. | 805. |