| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.2 | 51.1 | 55.9 | 63.0 | 72.6 | 81.4 | 90.4 | 89.4 | 81.4 | 69.3 | 52.6 | 43.9 | 66.3 |
| Highest Mean Max. Temperature (F) | 53.7 | 57.2 | 63.5 | 73.5 | 78.9 | 87.8 | 95.2 | 95.3 | 89.6 | 80.1 | 58.2 | 48.2 | 69.5 |
| Year Highest Occurred | 1986 | 1988 | 1986 | 1987 | 1973 | 1987 | 1988 | 1986 | 1974 | 1988 | 1967 | 1989 | 1987 |
| Lowest Mean Max. Temperature (F) | 37.3 | 45.4 | 50.5 | 51.2 | 62.4 | 73.9 | 83.3 | 79.3 | 71.9 | 60.9 | 45.8 | 37.3 | 63.6 |
| Year Lowest Occurred | 1977 | 1969 | 1975 | 1967 | 1977 | 1980 | 1983 | 1976 | 1978 | 1984 | 1985 | 1967 | 1975 |
| Mean Temperature (F) | 34.1 | 39.3 | 43.2 | 48.8 | 56.5 | 64.7 | 71.5 | 70.7 | 63.2 | 52.9 | 41.4 | 34.6 | 51.7 |
| Highest Mean Temperature (F) | 41.9 | 45.3 | 48.9 | 55.2 | 61.5 | 70.0 | 74.9 | 74.9 | 68.4 | 58.5 | 45.1 | 39.5 | 53.8 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1973 | 1961 | 1985 | 1986 | 1974 | 1987 | 1962 | 1973 | 1986 |
| Lowest Mean Temperature (F) | 27.2 | 32.2 | 39.9 | 41.0 | 50.1 | 59.7 | 65.9 | 64.9 | 57.9 | 47.9 | 35.2 | 27.5 | 50.1 |
| Year Lowest Occurred | 1977 | 1989 | 1977 | 1967 | 1977 | 1980 | 1983 | 1976 | 1985 | 1984 | 1985 | 1967 | 1982 |
| Mean Min. Temperature (F) | 24.0 | 27.4 | 30.4 | 34.5 | 40.5 | 47.9 | 52.5 | 52.0 | 44.9 | 36.4 | 30.1 | 25.2 | 37.2 |
| Highest Mean Min. Temperature (F) | 30.5 | 33.3 | 35.5 | 38.5 | 44.7 | 53.4 | 55.9 | 56.4 | 49.3 | 42.3 | 35.3 | 32.5 | 38.7 |
| Year Highest Occurred | 1970 | 1963 | 1978 | 1990 | 1969 | 1977 | 1970 | 1977 | 1963 | 1979 | 1970 | 1973 | 1986 |
| Lowest Mean Min. Temperature (F) | 17.0 | 17.5 | 26.2 | 30.0 | 36.4 | 43.4 | 45.9 | 46.6 | 40.7 | 33.2 | 24.6 | 16.6 | 34.1 |
| Year Lowest Occurred | 1977 | 1989 | 1985 | 1975 | 1988 | 1990 | 1989 | 1989 | 1988 | 1990 | 1985 | 1990 | 1989 |
| Mean Precipitation (in.) | 2.98 | 2.16 | 1.88 | 1.00 | 0.81 | 0.85 | 0.46 | 0.60 | 0.73 | 1.24 | 2.87 | 3.74 | 19.32 |
| Highest Precipitation (in.) | 8.01 | 9.19 | 5.79 | 2.19 | 2.48 | 4.35 | 1.99 | 3.23 | 3.19 | 6.00 | 8.20 | 13.71 | 27.73 |
| Year Highest Occurred | 1970 | 1986 | 1975 | 1974 | 1989 | 1982 | 1970 | 1976 | 1978 | 1962 | 1984 | 1964 | 1970 |
| Lowest Precipitation (in.) | 0.09 | 0.02 | 0.02 | 0.07 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.44 | 0.27 | 12.24 |
| Year Lowest Occurred | 1985 | 1988 | 1965 | 1985 | 1982 | 1973 | 1989 | 1986 | 1988 | 1978 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 958. | 720. | 676. | 486. | 273. | 94. | 13. | 19. | 122. | 375. | 708. | 942. | 5386. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 85. | 214. | 196. | 68. | 0. | 0. | 0. | 572. |