| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.7 | 53.3 | 58.5 | 64.6 | 72.9 | 82.1 | 90.5 | 89.9 | 82.8 | 69.4 | 52.6 | 44.3 | 67.2 |
| Highest Mean Max. Temperature (F) | 52.4 | 59.8 | 64.6 | 72.9 | 79.6 | 88.2 | 95.3 | 98.7 | 92.2 | 79.8 | 56.4 | 49.9 | 70.6 |
| Year Highest Occurred | 1986 | 1968 | 1965 | 1987 | 1973 | 1987 | 1972 | 1967 | 1974 | 1988 | 1967 | 1973 | 1987 |
| Lowest Mean Max. Temperature (F) | 39.0 | 48.0 | 53.3 | 56.3 | 66.0 | 74.5 | 83.3 | 81.0 | 72.4 | 61.7 | 46.3 | 38.4 | 64.4 |
| Year Lowest Occurred | 1962 | 1969 | 1975 | 1967 | 1977 | 1980 | 1963 | 1976 | 1978 | 1984 | 1985 | 1976 | 1971 |
| Mean Temperature (F) | 38.1 | 42.8 | 47.0 | 51.3 | 58.2 | 66.5 | 72.9 | 72.5 | 65.5 | 54.9 | 44.1 | 37.8 | 54.3 |
| Highest Mean Temperature (F) | 44.0 | 48.0 | 51.6 | 57.5 | 63.2 | 70.4 | 76.4 | 78.5 | 71.6 | 61.9 | 48.2 | 43.6 | 56.5 |
| Year Highest Occurred | 1986 | 1968 | 1986 | 1990 | 1969 | 1987 | 1985 | 1967 | 1963 | 1988 | 1970 | 1973 | 1987 |
| Lowest Mean Temperature (F) | 31.3 | 38.3 | 43.6 | 45.8 | 54.1 | 61.9 | 67.2 | 67.9 | 59.9 | 50.3 | 38.1 | 31.5 | 52.4 |
| Year Lowest Occurred | 1963 | 1989 | 1976 | 1975 | 1977 | 1980 | 1963 | 1976 | 1978 | 1969 | 1985 | 1972 | 1976 |
| Mean Min. Temperature (F) | 30.4 | 32.2 | 35.4 | 38.0 | 43.4 | 50.7 | 55.2 | 55.1 | 48.2 | 40.4 | 35.5 | 31.2 | 41.3 |
| Highest Mean Min. Temperature (F) | 36.5 | 38.3 | 41.0 | 44.0 | 47.0 | 56.3 | 58.2 | 59.7 | 54.1 | 47.2 | 40.7 | 37.3 | 43.3 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1989 | 1987 | 1969 | 1990 | 1977 | 1963 | 1979 | 1973 | 1981 | 1983 |
| Lowest Mean Min. Temperature (F) | 20.5 | 24.3 | 31.7 | 33.5 | 40.2 | 44.6 | 51.1 | 50.9 | 42.3 | 37.3 | 28.8 | 23.1 | 39.1 |
| Year Lowest Occurred | 1963 | 1964 | 1976 | 1964 | 1964 | 1962 | 1963 | 1980 | 1964 | 1974 | 1978 | 1990 | 1964 |
| Mean Precipitation (in.) | 2.69 | 1.93 | 1.82 | 1.16 | 1.00 | 0.58 | 0.26 | 0.52 | 0.86 | 1.49 | 3.23 | 3.32 | 18.86 |
| Highest Precipitation (in.) | 6.19 | 5.67 | 3.97 | 3.07 | 2.37 | 1.59 | 1.63 | 2.83 | 4.22 | 6.27 | 7.01 | 12.72 | 30.15 |
| Year Highest Occurred | 1970 | 1983 | 1975 | 1965 | 1977 | 1972 | 1966 | 1976 | 1977 | 1962 | 1973 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.19 | 0.20 | 0.29 | 0.23 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.43 | 0.36 | 10.69 |
| Year Lowest Occurred | 1984 | 1988 | 1969 | 1986 | 1982 | 1974 | 1989 | 1987 | 1987 | 1987 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 834. | 622. | 558. | 416. | 219. | 60. | 8. | 11. | 93. | 320. | 627. | 843. | 4611. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 105. | 253. | 244. | 108. | 7. | 0. | 0. | 725. |