| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.3 | 44.9 | 52.8 | 62.3 | 72.8 | 83.2 | 89.3 | 86.8 | 78.1 | 66.8 | 51.9 | 40.8 | 64.0 |
| Highest Mean Max. Temperature (F) | 49.7 | 53.6 | 61.9 | 69.5 | 77.8 | 90.3 | 93.4 | 90.5 | 83.8 | 73.2 | 57.3 | 50.6 | 66.8 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1974 | 1977 | 1988 | 1983 | 1979 | 1963 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 28.0 | 39.1 | 45.6 | 55.1 | 68.0 | 76.9 | 85.2 | 79.6 | 70.6 | 56.9 | 44.9 | 32.1 | 61.5 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1968 | 1980 | 1965 | 1965 | 1968 | 1961 | 1969 | 1972 | 1978 | 1964 |
| Mean Temperature (F) | 24.9 | 31.6 | 39.3 | 47.4 | 56.8 | 66.1 | 72.6 | 70.5 | 62.0 | 51.3 | 38.7 | 28.2 | 49.1 |
| Highest Mean Temperature (F) | 35.7 | 38.3 | 47.2 | 53.8 | 60.9 | 71.9 | 75.7 | 74.7 | 67.4 | 57.3 | 42.7 | 38.5 | 52.4 |
| Year Highest Occurred | 1981 | 1986 | 1986 | 1981 | 1984 | 1977 | 1988 | 1983 | 1990 | 1988 | 1981 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 14.0 | 21.4 | 31.8 | 41.9 | 52.8 | 61.8 | 69.6 | 65.3 | 55.9 | 43.9 | 33.6 | 19.4 | 46.1 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1970 | 1965 | 1965 | 1962 | 1968 | 1961 | 1969 | 1979 | 1978 | 1964 |
| Mean Min. Temperature (F) | 11.6 | 18.3 | 25.7 | 32.5 | 40.8 | 49.0 | 55.8 | 54.2 | 45.9 | 35.8 | 25.4 | 15.5 | 34.2 |
| Highest Mean Min. Temperature (F) | 21.8 | 28.2 | 33.6 | 38.4 | 44.6 | 54.0 | 58.8 | 58.8 | 52.5 | 41.6 | 29.4 | 26.3 | 38.1 |
| Year Highest Occurred | 1980 | 1986 | 1986 | 1981 | 1984 | 1988 | 1981 | 1983 | 1990 | 1988 | 1981 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 0.0 | 3.6 | 18.0 | 26.8 | 36.1 | 45.4 | 52.0 | 49.6 | 39.6 | 29.7 | 20.3 | 6.7 | 30.6 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1970 | 1971 | 1964 | 1972 | 1974 | 1971 | 1970 | 1969 | 1978 | 1964 |
| Mean Precipitation (in.) | 1.08 | 1.03 | 1.38 | 1.28 | 1.34 | 0.84 | 1.14 | 1.21 | 1.48 | 1.61 | 1.36 | 1.42 | 15.17 |
| Highest Precipitation (in.) | 2.88 | 3.26 | 3.13 | 3.11 | 3.69 | 3.30 | 2.34 | 2.63 | 3.81 | 3.61 | 3.40 | 3.73 | 23.75 |
| Year Highest Occurred | 1974 | 1962 | 1978 | 1962 | 1973 | 1969 | 1971 | 1964 | 1985 | 1981 | 1986 | 1978 | 1986 |
| Lowest Precipitation (in.) | 0.13 | 0.08 | 0.21 | 0.22 | 0.06 | 0.00 | 0.15 | 0.14 | 0.09 | 0.00 | 0.05 | 0.00 | 8.48 |
| Year Lowest Occurred | 1961 | 1970 | 1966 | 1989 | 1974 | 1980 | 1980 | 1972 | 1987 | 1964 | 1989 | 1976 | 1989 |
| Heating Degree Days (F) | 1243. | 935. | 797. | 528. | 260. | 77. | 0. | 12. | 139. | 429. | 789. | 1141. | 6350. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 110. | 236. | 183. | 49. | 0. | 0. | 0. | 584. |