| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.2 | 54.2 | 61.0 | 69.8 | 78.8 | 89.3 | 92.4 | 89.2 | 82.9 | 72.2 | 59.1 | 48.4 | 70.4 |
| Highest Mean Max. Temperature (F) | 58.5 | 60.1 | 70.8 | 78.5 | 85.9 | 95.0 | 95.8 | 92.6 | 87.2 | 77.7 | 65.3 | 56.5 | 73.5 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 1984 | 1974 | 1971 | 1962 | 1979 | 1964 | 1981 | 1977 | 1989 |
| Lowest Mean Max. Temperature (F) | 35.8 | 48.7 | 53.6 | 63.1 | 73.8 | 83.7 | 89.7 | 84.2 | 80.2 | 63.8 | 52.8 | 38.9 | 68.1 |
| Year Lowest Occurred | 1968 | 1966 | 1973 | 1975 | 1979 | 1965 | 1986 | 1968 | 1985 | 1984 | 1972 | 1967 | 1975 |
| Mean Temperature (F) | 33.7 | 39.1 | 44.8 | 52.4 | 60.8 | 70.5 | 76.2 | 73.9 | 67.3 | 56.0 | 44.0 | 34.8 | 54.5 |
| Highest Mean Temperature (F) | 40.1 | 43.0 | 51.0 | 59.3 | 66.0 | 75.0 | 78.6 | 77.2 | 71.0 | 61.0 | 48.2 | 41.2 | 56.3 |
| Year Highest Occurred | 1986 | 1976 | 1989 | 1989 | 1984 | 1974 | 1963 | 1969 | 1979 | 1963 | 1966 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 25.3 | 34.0 | 40.0 | 46.4 | 57.1 | 66.6 | 73.9 | 70.0 | 63.8 | 51.1 | 39.1 | 27.2 | 52.3 |
| Year Lowest Occurred | 1968 | 1964 | 1969 | 1970 | 1975 | 1965 | 1986 | 1968 | 1985 | 1984 | 1979 | 1967 | 1975 |
| Mean Min. Temperature (F) | 20.1 | 24.0 | 28.6 | 34.8 | 42.7 | 51.7 | 60.1 | 58.5 | 51.7 | 39.8 | 28.9 | 21.1 | 38.5 |
| Highest Mean Min. Temperature (F) | 29.1 | 30.2 | 34.2 | 40.0 | 46.8 | 55.8 | 62.3 | 61.9 | 56.1 | 45.6 | 33.9 | 27.8 | 39.9 |
| Year Highest Occurred | 1980 | 1968 | 1978 | 1989 | 1966 | 1981 | 1967 | 1969 | 1963 | 1972 | 1965 | 1983 | 1981 |
| Lowest Mean Min. Temperature (F) | 14.8 | 16.7 | 23.7 | 28.4 | 38.1 | 48.5 | 57.0 | 55.0 | 47.3 | 33.9 | 22.3 | 14.9 | 36.4 |
| Year Lowest Occurred | 1968 | 1964 | 1969 | 1970 | 1971 | 1970 | 1987 | 1978 | 1985 | 1982 | 1976 | 1976 | 1975 |
| Mean Precipitation (in.) | 0.51 | 0.50 | 0.67 | 0.40 | 0.43 | 0.30 | 1.41 | 1.58 | 1.38 | 1.08 | 0.64 | 0.69 | 9.59 |
| Highest Precipitation (in.) | 1.64 | 1.78 | 1.62 | 2.18 | 1.84 | 1.95 | 3.37 | 3.91 | 3.45 | 3.95 | 2.09 | 1.79 | 14.41 |
| Year Highest Occurred | 1977 | 1980 | 1978 | 1988 | 1979 | 1988 | 1986 | 1968 | 1984 | 1972 | 1978 | 1986 | 1984 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.51 | 0.01 | 0.00 | 0.00 | 0.00 | 6.76 |
| Year Lowest Occurred | 1972 | 1984 | 1988 | 1989 | 1989 | 1990 | 1979 | 1985 | 1973 | 1975 | 1989 | 1981 | 1976 |
| Heating Degree Days (F) | 970. | 725. | 626. | 382. | 156. | 12. | 0. | 0. | 27. | 288. | 630. | 936. | 4752. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 26. | 177. | 347. | 276. | 96. | 9. | 0. | 0. | 931. |