| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.4 | 50.3 | 58.8 | 68.6 | 79.2 | 90.5 | 96.1 | 93.0 | 84.4 | 70.8 | 55.3 | 43.9 | 69.4 |
| Highest Mean Max. Temperature (F) | 51.1 | 55.9 | 68.9 | 78.1 | 85.3 | 95.7 | 99.7 | 97.1 | 89.1 | 78.7 | 60.2 | 53.6 | 71.2 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1989 | 1984 | 1990 | 1963 | 1985 | 1979 | 1964 | 1965 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 32.8 | 38.6 | 52.7 | 61.6 | 73.3 | 83.7 | 92.9 | 86.3 | 79.5 | 63.4 | 48.8 | 33.9 | 67.1 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1980 | 1965 | 1987 | 1968 | 1986 | 1984 | 1972 | 1978 | 1979 |
| Mean Temperature (F) | 33.3 | 40.0 | 47.3 | 55.9 | 65.9 | 76.5 | 82.5 | 79.8 | 71.3 | 58.6 | 45.1 | 34.9 | 57.6 |
| Highest Mean Temperature (F) | 41.2 | 45.3 | 55.1 | 64.4 | 71.3 | 81.2 | 85.3 | 82.3 | 75.1 | 64.8 | 49.2 | 43.3 | 60.2 |
| Year Highest Occurred | 1981 | 1986 | 1972 | 1989 | 1984 | 1990 | 1963 | 1985 | 1979 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 23.9 | 31.5 | 40.8 | 50.4 | 61.4 | 69.9 | 79.6 | 73.0 | 67.6 | 52.3 | 40.8 | 25.8 | 54.6 |
| Year Lowest Occurred | 1968 | 1979 | 1969 | 1975 | 1965 | 1965 | 1987 | 1968 | 1961 | 1969 | 1972 | 1967 | 1968 |
| Mean Min. Temperature (F) | 24.1 | 29.6 | 35.7 | 43.1 | 52.6 | 62.4 | 68.9 | 66.5 | 58.1 | 46.3 | 34.9 | 25.8 | 45.7 |
| Highest Mean Min. Temperature (F) | 32.7 | 35.6 | 41.9 | 50.7 | 57.2 | 67.6 | 72.0 | 69.5 | 63.0 | 52.0 | 38.3 | 32.9 | 49.2 |
| Year Highest Occurred | 1980 | 1986 | 1986 | 1989 | 1984 | 1977 | 1978 | 1977 | 1990 | 1988 | 1981 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 12.5 | 22.2 | 27.4 | 36.8 | 47.9 | 56.1 | 65.6 | 59.7 | 52.9 | 41.1 | 30.1 | 15.1 | 41.0 |
| Year Lowest Occurred | 1968 | 1966 | 1969 | 1967 | 1965 | 1965 | 1968 | 1968 | 1968 | 1969 | 1969 | 1967 | 1968 |
| Mean Precipitation (in.) | 0.52 | 0.50 | 0.70 | 0.43 | 0.41 | 0.20 | 0.60 | 0.73 | 0.54 | 0.71 | 0.57 | 0.60 | 6.51 |
| Highest Precipitation (in.) | 2.12 | 1.73 | 1.83 | 2.14 | 1.89 | 0.93 | 3.30 | 2.47 | 1.89 | 3.89 | 2.06 | 4.00 | 11.64 |
| Year Highest Occurred | 1979 | 1980 | 1983 | 1988 | 1965 | 1972 | 1984 | 1963 | 1983 | 1972 | 1978 | 1978 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.29 |
| Year Lowest Occurred | 1976 | 1972 | 1989 | 1989 | 1990 | 1989 | 1988 | 1976 | 1979 | 1989 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 983. | 700. | 549. | 294. | 70. | 6. | 0. | 0. | 9. | 229. | 597. | 933. | 4370. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 21. | 98. | 351. | 543. | 459. | 198. | 31. | 0. | 0. | 1701. |