| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.2 | 48.9 | 55.3 | 64.7 | 73.7 | 84.9 | 89.0 | 85.8 | 79.2 | 68.4 | 54.5 | 45.1 | 66.1 |
| Highest Mean Max. Temperature (F) | 55.3 | 55.4 | 65.9 | 71.9 | 80.6 | 90.0 | 92.4 | 89.2 | 84.9 | 76.0 | 60.3 | 53.6 | 68.4 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 1984 | 1981 | 1971 | 1973 | 1979 | 1973 | 1981 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 35.9 | 41.5 | 47.7 | 56.7 | 64.6 | 76.3 | 84.3 | 81.5 | 73.4 | 59.2 | 47.0 | 37.3 | 63.1 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1982 | 1965 | 1965 | 1963 | 1986 | 1984 | 1972 | 1967 | 1982 |
| Mean Temperature (F) | 29.4 | 34.7 | 40.0 | 47.4 | 56.2 | 65.8 | 72.1 | 70.1 | 63.2 | 51.9 | 40.0 | 31.1 | 50.2 |
| Highest Mean Temperature (F) | 37.5 | 44.1 | 47.6 | 53.5 | 63.5 | 69.5 | 75.3 | 73.5 | 69.5 | 57.2 | 44.2 | 38.0 | 51.9 |
| Year Highest Occurred | 1986 | 1970 | 1972 | 1989 | 1984 | 1961 | 1971 | 1969 | 1984 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 21.0 | 27.2 | 34.5 | 40.2 | 51.1 | 58.7 | 68.9 | 67.0 | 59.0 | 45.0 | 34.0 | 23.0 | 47.9 |
| Year Lowest Occurred | 1968 | 1966 | 1964 | 1970 | 1982 | 1965 | 1965 | 1980 | 1985 | 1970 | 1971 | 1967 | 1968 |
| Mean Min. Temperature (F) | 15.7 | 20.4 | 24.7 | 30.1 | 38.6 | 46.5 | 55.2 | 54.5 | 47.1 | 35.4 | 25.3 | 17.0 | 34.2 |
| Highest Mean Min. Temperature (F) | 23.2 | 33.9 | 31.9 | 36.5 | 46.3 | 52.0 | 58.1 | 58.8 | 54.3 | 42.9 | 30.5 | 23.4 | 36.6 |
| Year Highest Occurred | 1969 | 1970 | 1982 | 1962 | 1984 | 1977 | 1971 | 1969 | 1984 | 1963 | 1965 | 1969 | 1969 |
| Lowest Mean Min. Temperature (F) | 5.1 | 12.9 | 18.6 | 20.7 | 31.8 | 41.1 | 50.1 | 49.3 | 41.8 | 28.0 | 14.1 | 8.6 | 30.1 |
| Year Lowest Occurred | 1968 | 1966 | 1976 | 1963 | 1968 | 1965 | 1978 | 1980 | 1967 | 1970 | 1971 | 1967 | 1967 |
| Mean Precipitation (in.) | 0.71 | 0.80 | 1.04 | 0.64 | 0.41 | 0.27 | 1.39 | 1.60 | 1.05 | 1.07 | 0.83 | 1.03 | 10.84 |
| Highest Precipitation (in.) | 2.59 | 2.70 | 3.71 | 2.73 | 1.83 | 1.40 | 3.95 | 4.85 | 2.73 | 4.67 | 2.75 | 3.37 | 17.20 |
| Year Highest Occurred | 1980 | 1980 | 1973 | 1985 | 1979 | 1979 | 1984 | 1963 | 1983 | 1972 | 1978 | 1968 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 4.89 |
| Year Lowest Occurred | 1984 | 1972 | 1972 | 1989 | 1974 | 1989 | 1979 | 1974 | 1988 | 1967 | 1989 | 1981 | 1989 |
| Heating Degree Days (F) | 1104. | 848. | 775. | 528. | 285. | 65. | 0. | 6. | 110. | 406. | 750. | 1051. | 5928. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 12. | 89. | 220. | 164. | 56. | 0. | 0. | 0. | 541. |