| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.2 | 47.8 | 56.5 | 66.0 | 76.2 | 86.8 | 92.1 | 89.2 | 81.1 | 68.7 | 53.3 | 41.9 | 66.7 |
| Highest Mean Max. Temperature (F) | 50.5 | 54.7 | 66.9 | 74.4 | 83.1 | 92.9 | 95.9 | 93.2 | 89.1 | 75.1 | 58.7 | 52.8 | 69.7 |
| Year Highest Occurred | 1981 | 1977 | 1972 | 1989 | 1984 | 1974 | 1979 | 1969 | 1979 | 1979 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 30.4 | 39.6 | 48.7 | 58.4 | 69.6 | 79.6 | 87.3 | 83.4 | 71.7 | 60.5 | 47.0 | 34.7 | 64.6 |
| Year Lowest Occurred | 1979 | 1979 | 1964 | 1975 | 1965 | 1965 | 1965 | 1968 | 1961 | 1969 | 1972 | 1978 | 1965 |
| Mean Temperature (F) | 29.1 | 36.3 | 43.8 | 52.3 | 61.7 | 71.7 | 77.6 | 75.4 | 67.1 | 55.8 | 41.9 | 31.4 | 53.7 |
| Highest Mean Temperature (F) | 38.8 | 41.3 | 52.9 | 60.0 | 67.9 | 76.5 | 80.0 | 79.3 | 73.3 | 62.0 | 46.5 | 40.8 | 56.0 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1984 | 1974 | 1988 | 1969 | 1979 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 20.6 | 28.8 | 37.3 | 45.0 | 56.4 | 65.6 | 73.6 | 70.4 | 58.9 | 48.8 | 36.0 | 24.5 | 52.1 |
| Year Lowest Occurred | 1963 | 1979 | 1964 | 1975 | 1965 | 1965 | 1965 | 1968 | 1961 | 1969 | 1979 | 1990 | 1982 |
| Mean Min. Temperature (F) | 18.0 | 24.6 | 31.1 | 38.5 | 47.2 | 56.5 | 63.1 | 61.5 | 53.1 | 42.9 | 30.4 | 20.8 | 40.6 |
| Highest Mean Min. Temperature (F) | 27.1 | 29.9 | 39.3 | 45.5 | 52.7 | 62.0 | 66.6 | 65.3 | 57.8 | 50.0 | 35.9 | 28.7 | 42.8 |
| Year Highest Occurred | 1981 | 1968 | 1986 | 1989 | 1984 | 1986 | 1988 | 1969 | 1990 | 1988 | 1965 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 9.7 | 17.0 | 25.5 | 31.6 | 43.0 | 51.5 | 59.9 | 57.4 | 46.0 | 37.1 | 23.9 | 13.4 | 38.6 |
| Year Lowest Occurred | 1963 | 1974 | 1977 | 1975 | 1971 | 1965 | 1965 | 1968 | 1961 | 1982 | 1979 | 1990 | 1975 |
| Mean Precipitation (in.) | 0.32 | 0.31 | 0.60 | 0.55 | 0.66 | 0.42 | 1.05 | 1.14 | 0.84 | 0.70 | 0.52 | 0.31 | 7.42 |
| Highest Precipitation (in.) | 1.76 | 1.13 | 2.25 | 2.84 | 2.23 | 2.29 | 2.81 | 3.28 | 3.00 | 2.90 | 2.84 | 1.49 | 13.04 |
| Year Highest Occurred | 1980 | 1975 | 1981 | 1965 | 1965 | 1969 | 1985 | 1982 | 1980 | 1972 | 1978 | 1965 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 3.72 |
| Year Lowest Occurred | 1981 | 1974 | 1972 | 1984 | 1974 | 1978 | 1979 | 1978 | 1979 | 1979 | 1976 | 1989 | 1973 |
| Heating Degree Days (F) | 1113. | 804. | 657. | 391. | 150. | 22. | 0. | 0. | 58. | 307. | 693. | 1042. | 5237. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 10. | 48. | 223. | 391. | 322. | 121. | 22. | 0. | 0. | 1137. |