| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.4 | 45.2 | 53.6 | 63.0 | 72.9 | 82.7 | 90.0 | 87.8 | 79.4 | 67.4 | 51.7 | 40.0 | 64.3 |
| Highest Mean Max. Temperature (F) | 47.1 | 53.4 | 65.5 | 70.7 | 79.8 | 89.5 | 93.3 | 91.3 | 85.2 | 74.6 | 58.3 | 53.3 | 67.6 |
| Year Highest Occurred | 1986 | 1986 | 1972 | 1977 | 1969 | 1977 | 1989 | 1969 | 1979 | 1978 | 1977 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 28.6 | 33.9 | 43.6 | 55.6 | 66.0 | 72.2 | 85.0 | 80.1 | 70.8 | 59.4 | 42.6 | 30.4 | 61.6 |
| Year Lowest Occurred | 1973 | 1989 | 1964 | 1975 | 1965 | 1967 | 1982 | 1968 | 1965 | 1969 | 1972 | 1972 | 1982 |
| Mean Temperature (F) | 24.2 | 31.2 | 38.9 | 46.4 | 55.2 | 63.8 | 72.0 | 69.9 | 60.4 | 49.1 | 37.1 | 26.4 | 47.9 |
| Highest Mean Temperature (F) | 34.3 | 40.3 | 45.1 | 51.7 | 60.8 | 69.4 | 75.6 | 74.1 | 66.3 | 55.4 | 42.2 | 36.0 | 50.6 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1989 | 1969 | 1977 | 1989 | 1963 | 1990 | 1963 | 1981 | 1977 | 1986 |
| Lowest Mean Temperature (F) | 14.5 | 21.5 | 28.0 | 41.1 | 49.8 | 56.2 | 68.6 | 65.0 | 53.5 | 44.0 | 28.9 | 16.5 | 45.0 |
| Year Lowest Occurred | 1989 | 1989 | 1964 | 1975 | 1965 | 1967 | 1982 | 1968 | 1965 | 1969 | 1964 | 1972 | 1964 |
| Mean Min. Temperature (F) | 10.0 | 17.2 | 24.1 | 29.7 | 37.5 | 44.9 | 54.0 | 51.9 | 41.4 | 30.7 | 22.4 | 12.7 | 31.4 |
| Highest Mean Min. Temperature (F) | 22.9 | 27.2 | 31.5 | 35.6 | 42.1 | 51.2 | 57.9 | 59.0 | 49.3 | 38.1 | 27.5 | 23.6 | 35.1 |
| Year Highest Occurred | 1978 | 1986 | 1983 | 1990 | 1985 | 1988 | 1990 | 1963 | 1990 | 1963 | 1965 | 1965 | 1983 |
| Lowest Mean Min. Temperature (F) | -0.5 | 6.3 | 12.4 | 23.7 | 33.5 | 37.9 | 49.9 | 44.9 | 33.7 | 25.1 | 13.7 | 1.5 | 28.0 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1966 | 1965 | 1982 | 1967 | 1974 | 1968 | 1965 | 1964 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.04 | 1.11 | 1.31 | 1.20 | 1.20 | 0.83 | 0.85 | 1.13 | 1.18 | 1.37 | 1.17 | 1.23 | 13.62 |
| Highest Precipitation (in.) | 3.06 | 4.40 | 3.27 | 2.93 | 3.53 | 3.74 | 2.32 | 3.91 | 4.79 | 4.69 | 3.53 | 4.01 | 26.03 |
| Year Highest Occurred | 1980 | 1980 | 1961 | 1978 | 1980 | 1984 | 1984 | 1983 | 1982 | 1981 | 1983 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.21 | 0.12 | 0.09 | 0.08 | 0.09 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.13 | 0.00 | 6.63 |
| Year Lowest Occurred | 1961 | 1970 | 1965 | 1987 | 1969 | 1980 | 1972 | 1962 | 1979 | 1965 | 1967 | 1986 | 1967 |
| Heating Degree Days (F) | 1265. | 946. | 809. | 558. | 310. | 119. | 0. | 18. | 175. | 493. | 837. | 1197. | 6727. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 83. | 221. | 170. | 37. | 0. | 0. | 0. | 518. |