| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.3 | 57.8 | 61.0 | 69.1 | 77.5 | 87.6 | 90.5 | 87.5 | 82.9 | 74.5 | 63.0 | 55.1 | 71.7 |
| Highest Mean Max. Temperature (F) | 62.3 | 63.0 | 71.7 | 77.4 | 83.2 | 94.2 | 93.9 | 92.9 | 89.3 | 81.8 | 68.3 | 64.4 | 74.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1972 | 1962 | 1979 | 1979 | 1976 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 47.5 | 50.8 | 51.9 | 60.7 | 73.9 | 81.2 | 86.0 | 82.9 | 78.1 | 66.9 | 57.6 | 46.8 | 69.1 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1980 | 1965 | 1986 | 1968 | 1985 | 1971 | 1972 | 1967 | 1983 |
| Mean Temperature (F) | 37.3 | 40.2 | 43.3 | 49.3 | 56.5 | 65.5 | 72.7 | 70.5 | 64.5 | 54.9 | 44.4 | 37.8 | 53.1 |
| Highest Mean Temperature (F) | 42.3 | 44.9 | 48.6 | 56.2 | 61.1 | 70.5 | 75.5 | 75.3 | 69.0 | 60.6 | 47.7 | 43.4 | 55.4 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1989 | 1984 | 1974 | 1981 | 1981 | 1983 | 1988 | 1981 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 31.1 | 33.8 | 37.8 | 43.3 | 52.7 | 59.9 | 69.5 | 66.0 | 60.0 | 48.4 | 40.8 | 30.9 | 51.4 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1970 | 1980 | 1965 | 1968 | 1968 | 1980 | 1970 | 1964 | 1967 | 1968 |
| Mean Min. Temperature (F) | 20.3 | 22.5 | 25.6 | 29.6 | 35.4 | 43.4 | 54.7 | 53.5 | 46.0 | 35.1 | 25.9 | 20.5 | 34.4 |
| Highest Mean Min. Temperature (F) | 28.1 | 28.6 | 31.7 | 35.2 | 39.8 | 50.9 | 60.7 | 61.1 | 52.5 | 42.7 | 30.7 | 27.4 | 37.4 |
| Year Highest Occurred | 1980 | 1968 | 1982 | 1990 | 1973 | 1981 | 1981 | 1981 | 1990 | 1988 | 1982 | 1984 | 1986 |
| Lowest Mean Min. Temperature (F) | 14.2 | 14.3 | 19.2 | 23.4 | 31.5 | 37.0 | 47.7 | 45.5 | 35.8 | 22.0 | 18.3 | 11.4 | 31.2 |
| Year Lowest Occurred | 1964 | 1964 | 1969 | 1970 | 1980 | 1963 | 1979 | 1980 | 1980 | 1980 | 1980 | 1968 | 1980 |
| Mean Precipitation (in.) | 1.93 | 1.60 | 2.23 | 0.85 | 0.61 | 0.39 | 2.58 | 3.10 | 1.90 | 1.79 | 1.65 | 2.05 | 20.68 |
| Highest Precipitation (in.) | 6.40 | 7.20 | 7.86 | 2.29 | 2.55 | 2.58 | 5.00 | 11.30 | 4.95 | 8.00 | 5.09 | 7.93 | 34.63 |
| Year Highest Occurred | 1979 | 1980 | 1978 | 1988 | 1969 | 1972 | 1967 | 1963 | 1984 | 1972 | 1982 | 1965 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.59 | 0.48 | 0.01 | 0.00 | 0.00 | 0.10 | 12.48 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1972 | 1974 | 1989 | 1963 | 1973 | 1973 | 1973 | 1980 | 1973 | 1964 |
| Heating Degree Days (F) | 859. | 694. | 673. | 471. | 267. | 78. | 0. | 11. | 75. | 322. | 618. | 843. | 4911. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 93. | 239. | 181. | 60. | 9. | 0. | 0. | 582. |