| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 60.4 | 65.8 | 70.6 | 78.9 | 88.0 | 98.1 | 101.4 | 98.4 | 92.7 | 82.8 | 69.7 | 59.7 | 80.5 |
| Highest Mean Max. Temperature (F) | 69.6 | 71.6 | 83.3 | 89.6 | 96.3 | 104.9 | 104.8 | 102.5 | 98.3 | 89.7 | 74.9 | 67.9 | 84.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1980 | 1962 | 1979 | 1964 | 1989 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 51.8 | 60.1 | 59.3 | 71.3 | 82.1 | 91.1 | 96.1 | 93.6 | 86.5 | 75.0 | 63.8 | 48.9 | 78.7 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1980 | 1965 | 1986 | 1968 | 1986 | 1971 | 1972 | 1967 | 1968 |
| Mean Temperature (F) | 43.1 | 47.5 | 52.2 | 59.0 | 67.0 | 76.1 | 82.6 | 80.3 | 73.7 | 63.0 | 51.1 | 42.9 | 61.5 |
| Highest Mean Temperature (F) | 49.3 | 51.8 | 59.7 | 66.9 | 72.5 | 80.7 | 85.0 | 84.0 | 76.7 | 68.9 | 54.7 | 48.9 | 63.9 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1963 | 1969 | 1983 | 1988 | 1962 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 38.8 | 41.8 | 46.4 | 51.7 | 63.1 | 69.6 | 79.1 | 76.3 | 69.6 | 56.9 | 47.4 | 35.3 | 59.8 |
| Year Lowest Occurred | 1979 | 1964 | 1973 | 1975 | 1965 | 1965 | 1987 | 1968 | 1985 | 1971 | 1972 | 1967 | 1975 |
| Mean Min. Temperature (F) | 25.7 | 29.2 | 33.8 | 39.0 | 46.0 | 53.9 | 63.8 | 62.3 | 54.6 | 43.1 | 32.5 | 26.0 | 42.5 |
| Highest Mean Min. Temperature (F) | 34.3 | 35.6 | 39.9 | 44.6 | 49.0 | 58.1 | 66.6 | 66.1 | 59.7 | 48.8 | 37.3 | 31.5 | 44.4 |
| Year Highest Occurred | 1969 | 1986 | 1978 | 1990 | 1985 | 1988 | 1981 | 1970 | 1990 | 1987 | 1965 | 1983 | 1986 |
| Lowest Mean Min. Temperature (F) | 18.9 | 20.3 | 28.3 | 31.7 | 42.2 | 48.1 | 58.2 | 58.7 | 48.7 | 36.5 | 27.1 | 21.0 | 39.7 |
| Year Lowest Occurred | 1964 | 1964 | 1977 | 1975 | 1975 | 1965 | 1987 | 1974 | 1973 | 1982 | 1979 | 1990 | 1975 |
| Mean Precipitation (in.) | 1.03 | 1.17 | 1.34 | 0.69 | 0.30 | 0.33 | 1.59 | 1.98 | 1.56 | 1.12 | 1.11 | 1.23 | 13.45 |
| Highest Precipitation (in.) | 3.92 | 3.53 | 3.64 | 3.53 | 1.74 | 2.00 | 6.01 | 3.89 | 5.23 | 6.81 | 4.11 | 5.35 | 22.27 |
| Year Highest Occurred | 1980 | 1980 | 1973 | 1988 | 1976 | 1972 | 1990 | 1983 | 1983 | 1972 | 1978 | 1965 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 7.10 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1989 | 1988 | 1989 | 1979 | 1975 | 1989 | 1982 | 1989 | 1985 | 1966 |
| Heating Degree Days (F) | 679. | 490. | 403. | 217. | 44. | 0. | 0. | 0. | 0. | 131. | 417. | 685. | 3066. |
| Cooling Degree Days (F) | 0. | 0. | 7. | 37. | 106. | 333. | 546. | 474. | 264. | 69. | 0. | 0. | 1836. |