| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.6 | 51.4 | 56.8 | 64.8 | 74.4 | 84.7 | 91.0 | 88.5 | 80.1 | 69.3 | 55.4 | 47.3 | 67.5 |
| Highest Mean Max. Temperature (F) | 54.1 | 58.2 | 66.6 | 75.6 | 82.0 | 92.5 | 94.4 | 93.3 | 86.1 | 77.1 | 62.5 | 55.1 | 69.8 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1986 | 1989 | 1969 | 1979 | 1988 | 1976 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 39.3 | 39.5 | 49.9 | 52.0 | 63.0 | 77.7 | 87.2 | 81.5 | 74.0 | 62.5 | 49.2 | 38.6 | 64.7 |
| Year Lowest Occurred | 1979 | 1969 | 1969 | 1967 | 1977 | 1963 | 1987 | 1976 | 1986 | 1972 | 1985 | 1984 | 1982 |
| Mean Temperature (F) | 32.4 | 37.5 | 42.8 | 49.7 | 58.9 | 68.4 | 74.7 | 72.3 | 64.1 | 53.4 | 40.7 | 32.7 | 52.3 |
| Highest Mean Temperature (F) | 38.4 | 43.8 | 50.3 | 58.5 | 65.9 | 73.9 | 77.9 | 75.5 | 68.8 | 59.8 | 44.7 | 39.4 | 54.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1988 | 1971 | 1979 | 1988 | 1967 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 24.4 | 28.5 | 36.0 | 40.0 | 51.0 | 62.4 | 70.8 | 66.5 | 59.6 | 47.9 | 36.1 | 26.6 | 51.0 |
| Year Lowest Occurred | 1973 | 1969 | 1969 | 1967 | 1977 | 1963 | 1983 | 1976 | 1986 | 1971 | 1964 | 1968 | 1982 |
| Mean Min. Temperature (F) | 18.1 | 23.6 | 28.7 | 34.5 | 43.3 | 52.1 | 58.4 | 56.0 | 48.0 | 37.3 | 26.0 | 18.1 | 37.0 |
| Highest Mean Min. Temperature (F) | 25.3 | 29.4 | 33.9 | 41.4 | 49.7 | 57.7 | 61.4 | 59.5 | 52.6 | 42.5 | 31.5 | 25.0 | 39.6 |
| Year Highest Occurred | 1980 | 1968 | 1986 | 1989 | 1984 | 1981 | 1988 | 1971 | 1981 | 1988 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 8.3 | 17.4 | 22.0 | 28.0 | 38.9 | 47.0 | 54.1 | 51.5 | 43.3 | 29.5 | 22.6 | 11.2 | 35.4 |
| Year Lowest Occurred | 1973 | 1969 | 1969 | 1967 | 1977 | 1963 | 1983 | 1976 | 1970 | 1971 | 1964 | 1968 | 1969 |
| Mean Precipitation (in.) | 0.61 | 0.74 | 0.52 | 0.55 | 0.42 | 0.33 | 0.62 | 0.59 | 0.50 | 0.20 | 0.52 | 0.55 | 6.15 |
| Highest Precipitation (in.) | 3.49 | 3.43 | 3.18 | 3.02 | 2.17 | 1.77 | 4.18 | 4.86 | 2.72 | 1.33 | 2.60 | 3.68 | 14.42 |
| Year Highest Occurred | 1969 | 1962 | 1978 | 1983 | 1971 | 1963 | 1984 | 1983 | 1975 | 1974 | 1965 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.41 |
| Year Lowest Occurred | 1989 | 1989 | 1990 | 1985 | 1988 | 1988 | 1988 | 1985 | 1986 | 1990 | 1990 | 1990 | 1968 |
| Heating Degree Days (F) | 1011. | 770. | 688. | 470. | 216. | 45. | 0. | 5. | 88. | 366. | 729. | 1001. | 5389. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 11. | 27. | 147. | 301. | 231. | 61. | 6. | 0. | 0. | 784. |