| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.8 | 43.0 | 50.4 | 59.6 | 70.5 | 81.3 | 90.0 | 87.5 | 77.4 | 64.4 | 49.5 | 38.2 | 62.4 |
| Highest Mean Max. Temperature (F) | 45.1 | 51.8 | 59.4 | 67.9 | 78.7 | 90.2 | 93.9 | 90.1 | 86.1 | 72.2 | 56.2 | 50.5 | 64.6 |
| Year Highest Occurred | 1983 | 1972 | 1972 | 1987 | 1969 | 1977 | 1989 | 1969 | 1990 | 1988 | 1962 | 1979 | 1990 |
| Lowest Mean Max. Temperature (F) | 24.8 | 34.3 | 40.9 | 51.8 | 63.8 | 74.8 | 86.1 | 80.3 | 67.6 | 55.4 | 44.0 | 27.5 | 59.5 |
| Year Lowest Occurred | 1979 | 1964 | 1964 | 1975 | 1981 | 1967 | 1965 | 1968 | 1982 | 1981 | 1982 | 1978 | 1982 |
| Mean Temperature (F) | 26.0 | 31.8 | 38.7 | 47.0 | 56.8 | 66.5 | 74.8 | 72.4 | 62.2 | 50.5 | 38.2 | 28.1 | 49.4 |
| Highest Mean Temperature (F) | 34.8 | 38.9 | 46.9 | 53.6 | 62.1 | 76.0 | 77.8 | 75.2 | 70.3 | 57.5 | 43.2 | 36.3 | 51.5 |
| Year Highest Occurred | 1983 | 1986 | 1986 | 1987 | 1969 | 1977 | 1989 | 1986 | 1990 | 1988 | 1962 | 1977 | 1986 |
| Lowest Mean Temperature (F) | 12.5 | 20.9 | 28.6 | 40.3 | 51.5 | 60.8 | 70.1 | 66.2 | 52.1 | 42.7 | 33.2 | 17.9 | 46.5 |
| Year Lowest Occurred | 1979 | 1964 | 1964 | 1975 | 1975 | 1967 | 1982 | 1968 | 1982 | 1982 | 1982 | 1978 | 1982 |
| Mean Min. Temperature (F) | 15.2 | 20.6 | 27.0 | 34.3 | 43.0 | 51.6 | 59.6 | 57.2 | 46.9 | 36.6 | 26.8 | 17.8 | 36.4 |
| Highest Mean Min. Temperature (F) | 25.5 | 29.3 | 35.0 | 40.0 | 47.4 | 61.7 | 62.2 | 61.6 | 54.4 | 44.0 | 31.5 | 25.7 | 39.2 |
| Year Highest Occurred | 1978 | 1986 | 1986 | 1990 | 1977 | 1977 | 1978 | 1963 | 1990 | 1963 | 1965 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 0.2 | 7.5 | 16.3 | 28.7 | 37.8 | 46.4 | 51.3 | 49.8 | 36.1 | 29.5 | 22.1 | 8.2 | 33.5 |
| Year Lowest Occurred | 1979 | 1964 | 1964 | 1975 | 1975 | 1982 | 1982 | 1976 | 1978 | 1982 | 1969 | 1978 | 1982 |
| Mean Precipitation (in.) | 1.36 | 1.41 | 2.02 | 2.05 | 1.78 | 0.97 | 0.86 | 1.28 | 1.42 | 1.90 | 1.75 | 1.60 | 18.40 |
| Highest Precipitation (in.) | 3.72 | 4.00 | 3.46 | 5.11 | 4.84 | 3.05 | 2.33 | 3.56 | 10.42 | 6.36 | 4.60 | 4.01 | 30.08 |
| Year Highest Occurred | 1979 | 1962 | 1983 | 1968 | 1981 | 1967 | 1968 | 1984 | 1982 | 1981 | 1983 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.33 | 0.42 | 0.29 | 0.14 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.17 | 0.11 | 9.09 |
| Year Lowest Occurred | 1961 | 1977 | 1971 | 1979 | 1974 | 1980 | 1978 | 1976 | 1974 | 1978 | 1977 | 1976 | 1976 |
| Heating Degree Days (F) | 1209. | 930. | 815. | 540. | 271. | 97. | 0. | 7. | 173. | 459. | 804. | 1144. | 6449. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 16. | 142. | 304. | 237. | 89. | 9. | 0. | 0. | 797. |