| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.0 | 47.4 | 52.9 | 61.5 | 71.1 | 82.0 | 89.6 | 86.7 | 77.9 | 67.4 | 53.4 | 45.6 | 65.0 |
| Highest Mean Max. Temperature (F) | 56.1 | 54.1 | 62.8 | 69.0 | 78.1 | 89.6 | 93.4 | 91.6 | 84.4 | 75.9 | 60.5 | 56.1 | 67.6 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1974 | 1990 | 1980 | 1969 | 1978 | 1963 | 1990 | 1980 | 1986 |
| Lowest Mean Max. Temperature (F) | 34.0 | 36.9 | 42.7 | 53.3 | 64.7 | 73.7 | 85.6 | 80.6 | 66.4 | 50.9 | 41.9 | 31.0 | 62.1 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1969 | 1971 | 1979 | 1965 | 1969 | 1972 | 1983 | 1961 |
| Mean Temperature (F) | 28.7 | 32.3 | 38.0 | 46.3 | 55.5 | 65.3 | 72.2 | 69.9 | 61.0 | 50.5 | 38.1 | 30.4 | 49.0 |
| Highest Mean Temperature (F) | 39.9 | 38.0 | 46.0 | 52.8 | 60.1 | 70.4 | 75.2 | 73.6 | 66.1 | 57.4 | 43.7 | 40.7 | 51.6 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1984 | 1990 | 1966 | 1969 | 1981 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 18.6 | 23.4 | 27.5 | 39.9 | 50.6 | 59.5 | 68.9 | 65.9 | 52.6 | 38.6 | 29.8 | 17.7 | 47.2 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1983 | 1983 | 1983 | 1967 | 1967 | 1965 | 1969 | 1972 | 1983 | 1961 |
| Mean Min. Temperature (F) | 13.3 | 17.3 | 23.1 | 31.0 | 39.8 | 48.6 | 54.7 | 52.9 | 44.1 | 33.6 | 22.8 | 15.2 | 33.0 |
| Highest Mean Min. Temperature (F) | 23.6 | 21.9 | 29.1 | 36.5 | 44.1 | 52.6 | 58.0 | 56.5 | 48.7 | 38.8 | 26.9 | 25.2 | 35.8 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1984 | 1977 | 1966 | 1982 | 1981 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 1.5 | 9.5 | 12.2 | 26.5 | 36.2 | 44.6 | 51.6 | 47.3 | 38.8 | 26.3 | 16.7 | 4.4 | 31.7 |
| Year Lowest Occurred | 1963 | 1964 | 1965 | 1983 | 1990 | 1983 | 1967 | 1967 | 1965 | 1969 | 1979 | 1983 | 1964 |
| Mean Precipitation (in.) | 0.50 | 0.54 | 1.33 | 1.73 | 2.78 | 2.37 | 2.42 | 1.95 | 1.47 | 1.18 | 1.06 | 0.59 | 17.92 |
| Highest Precipitation (in.) | 1.26 | 1.24 | 3.28 | 3.61 | 8.74 | 8.26 | 6.49 | 6.96 | 4.37 | 5.70 | 3.25 | 3.84 | 30.28 |
| Year Highest Occurred | 1965 | 1964 | 1983 | 1973 | 1973 | 1965 | 1967 | 1963 | 1961 | 1969 | 1972 | 1973 | 1973 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.38 | 0.00 | 0.00 | 0.00 | 0.41 | 0.19 | 0.10 | 0.06 | 0.19 | 0.00 | 9.24 |
| Year Lowest Occurred | 1988 | 1987 | 1962 | 1987 | 1984 | 1980 | 1978 | 1978 | 1978 | 1988 | 1984 | 1987 | 1966 |
| Heating Degree Days (F) | 1125. | 916. | 837. | 561. | 301. | 89. | 0. | 10. | 170. | 454. | 807. | 1073. | 6343. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 98. | 227. | 162. | 50. | 0. | 0. | 0. | 543. |