| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.8 | 50.3 | 58.8 | 69.5 | 77.8 | 88.0 | 93.2 | 90.4 | 81.7 | 72.1 | 57.6 | 47.6 | 69.4 |
| Highest Mean Max. Temperature (F) | 57.6 | 61.4 | 68.8 | 77.1 | 87.1 | 93.3 | 100.3 | 96.9 | 87.6 | 81.4 | 64.4 | 54.6 | 73.1 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1981 | 1962 | 1990 | 1980 | 1983 | 1983 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 29.6 | 35.3 | 45.0 | 60.1 | 71.9 | 79.2 | 89.1 | 84.8 | 74.5 | 61.5 | 46.8 | 33.3 | 66.9 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1983 | 1968 | 1989 | 1967 | 1974 | 1974 | 1969 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 31.1 | 35.7 | 43.3 | 54.5 | 63.7 | 74.3 | 79.4 | 77.0 | 68.3 | 56.9 | 43.1 | 33.5 | 55.1 |
| Highest Mean Temperature (F) | 41.7 | 43.2 | 51.7 | 60.9 | 70.0 | 78.7 | 84.8 | 82.3 | 73.5 | 65.2 | 49.1 | 39.0 | 57.8 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1962 | 1977 | 1980 | 1983 | 1963 | 1963 | 1965 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 18.6 | 23.8 | 31.8 | 47.9 | 59.3 | 67.8 | 76.5 | 72.9 | 61.9 | 50.4 | 35.5 | 22.0 | 53.5 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1983 | 1983 | 1989 | 1989 | 1974 | 1974 | 1970 | 1972 | 1983 | 1989 |
| Mean Min. Temperature (F) | 16.4 | 21.1 | 27.8 | 39.6 | 49.6 | 60.6 | 65.5 | 63.4 | 54.7 | 41.6 | 28.6 | 19.4 | 40.7 |
| Highest Mean Min. Temperature (F) | 25.7 | 30.8 | 36.9 | 44.7 | 54.9 | 64.7 | 69.3 | 67.6 | 60.1 | 49.0 | 33.8 | 24.8 | 44.6 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1981 | 1987 | 1977 | 1980 | 1983 | 1963 | 1963 | 1965 | 1965 | 1986 |
| Lowest Mean Min. Temperature (F) | 5.1 | 12.3 | 18.6 | 34.7 | 45.4 | 55.4 | 63.2 | 60.3 | 49.2 | 35.2 | 22.5 | 10.6 | 39.1 |
| Year Lowest Occurred | 1963 | 1978 | 1969 | 1984 | 1983 | 1982 | 1961 | 1967 | 1974 | 1976 | 1976 | 1983 | 1966 |
| Mean Precipitation (in.) | 0.32 | 0.45 | 1.03 | 1.58 | 3.24 | 3.03 | 2.58 | 2.32 | 1.85 | 0.95 | 0.85 | 0.34 | 18.54 |
| Highest Precipitation (in.) | 1.66 | 1.81 | 5.00 | 5.82 | 7.49 | 8.11 | 5.28 | 7.43 | 5.47 | 3.26 | 5.06 | 1.07 | 32.13 |
| Year Highest Occurred | 1990 | 1964 | 1973 | 1976 | 1976 | 1986 | 1990 | 1967 | 1985 | 1969 | 1971 | 1984 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.08 | 0.29 | 0.10 | 0.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 11.92 |
| Year Lowest Occurred | 1988 | 1988 | 1989 | 1965 | 1966 | 1976 | 1982 | 1978 | 1980 | 1975 | 1989 | 1988 | 1978 |
| Heating Degree Days (F) | 1051. | 820. | 673. | 326. | 117. | 7. | 0. | 0. | 42. | 264. | 657. | 977. | 4934. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 11. | 76. | 286. | 446. | 372. | 141. | 13. | 0. | 0. | 1345. |