| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.7 | 53.7 | 60.5 | 70.3 | 78.7 | 88.7 | 91.0 | 87.5 | 81.0 | 71.1 | 58.8 | 49.5 | 69.9 |
| Highest Mean Max. Temperature (F) | 57.7 | 59.3 | 70.7 | 78.5 | 84.4 | 94.4 | 95.5 | 92.5 | 85.5 | 77.3 | 67.4 | 57.1 | 73.1 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1989 | 1990 | 1980 | 1962 | 1983 | 1979 | 1981 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 41.6 | 42.6 | 52.9 | 64.1 | 74.7 | 83.0 | 86.8 | 84.0 | 77.1 | 61.1 | 50.7 | 41.5 | 68.3 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1983 | 1987 | 1967 | 1986 | 1988 | 1975 | 1984 | 1972 | 1967 | 1987 |
| Mean Temperature (F) | 33.6 | 38.8 | 44.4 | 52.3 | 60.9 | 70.3 | 75.0 | 72.5 | 65.4 | 54.4 | 43.5 | 35.1 | 53.9 |
| Highest Mean Temperature (F) | 39.8 | 43.1 | 51.8 | 56.7 | 67.1 | 74.3 | 78.3 | 74.8 | 70.5 | 59.2 | 48.7 | 41.8 | 56.1 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1981 | 1984 | 1981 | 1980 | 1962 | 1983 | 1963 | 1981 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 29.2 | 29.8 | 38.1 | 47.5 | 57.9 | 66.7 | 71.9 | 69.7 | 62.5 | 49.9 | 38.1 | 29.4 | 52.1 |
| Year Lowest Occurred | 1987 | 1964 | 1969 | 1975 | 1990 | 1965 | 1973 | 1968 | 1961 | 1984 | 1972 | 1967 | 1975 |
| Mean Min. Temperature (F) | 19.5 | 23.9 | 28.2 | 34.3 | 42.9 | 52.0 | 59.0 | 57.6 | 49.7 | 37.7 | 28.3 | 20.6 | 37.8 |
| Highest Mean Min. Temperature (F) | 28.2 | 28.2 | 32.8 | 39.5 | 49.7 | 56.8 | 61.7 | 60.1 | 55.5 | 43.8 | 34.0 | 27.1 | 39.8 |
| Year Highest Occurred | 1980 | 1986 | 1972 | 1981 | 1984 | 1981 | 1966 | 1984 | 1983 | 1972 | 1978 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 13.9 | 17.0 | 21.8 | 29.6 | 37.7 | 48.9 | 55.7 | 55.2 | 45.3 | 34.0 | 22.8 | 16.0 | 35.7 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1970 | 1990 | 1975 | 1973 | 1976 | 1968 | 1980 | 1976 | 1968 | 1975 |
| Mean Precipitation (in.) | 0.48 | 0.48 | 0.41 | 0.40 | 0.64 | 0.46 | 1.83 | 2.01 | 1.54 | 1.24 | 0.43 | 0.54 | 10.46 |
| Highest Precipitation (in.) | 2.12 | 1.37 | 1.50 | 1.73 | 2.44 | 1.37 | 4.89 | 3.42 | 3.90 | 4.71 | 2.51 | 1.50 | 16.27 |
| Year Highest Occurred | 1983 | 1987 | 1981 | 1988 | 1969 | 1986 | 1975 | 1988 | 1990 | 1972 | 1986 | 1984 | 1990 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.23 | 0.55 | 0.04 | 0.00 | 0.00 | 0.00 | 6.32 |
| Year Lowest Occurred | 1976 | 1984 | 1986 | 1989 | 1966 | 1975 | 1978 | 1989 | 1968 | 1982 | 1989 | 1976 | 1989 |
| Heating Degree Days (F) | 973. | 734. | 639. | 381. | 149. | 10. | 0. | 0. | 55. | 333. | 645. | 927. | 4846. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 21. | 169. | 310. | 233. | 67. | 0. | 0. | 0. | 800. |