| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.8 | 47.4 | 55.4 | 66.1 | 74.9 | 86.0 | 91.8 | 88.9 | 80.0 | 69.3 | 53.9 | 43.6 | 66.6 |
| Highest Mean Max. Temperature (F) | 58.8 | 57.1 | 68.6 | 76.3 | 81.9 | 92.0 | 97.0 | 96.0 | 86.1 | 76.7 | 59.3 | 54.1 | 71.8 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1986 | 1986 | 1981 | 1985 | 1983 | 1983 | 1963 | 1965 | 1980 | 1986 |
| Lowest Mean Max. Temperature (F) | 28.8 | 33.7 | 42.2 | 54.4 | 69.7 | 78.9 | 87.5 | 83.1 | 73.3 | 56.7 | 41.4 | 31.9 | 64.4 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1984 | 1980 | 1989 | 1967 | 1966 | 1973 | 1969 | 1972 | 1972 | 1969 |
| Mean Temperature (F) | 25.8 | 31.4 | 39.3 | 50.1 | 59.4 | 70.0 | 76.1 | 73.2 | 63.7 | 51.8 | 37.7 | 28.0 | 50.5 |
| Highest Mean Temperature (F) | 37.5 | 37.6 | 49.5 | 56.7 | 65.2 | 75.4 | 80.8 | 77.8 | 68.8 | 59.3 | 43.6 | 36.5 | 53.2 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1986 | 1962 | 1988 | 1980 | 1983 | 1990 | 1963 | 1990 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 16.1 | 22.4 | 29.3 | 40.8 | 54.1 | 65.2 | 71.7 | 68.3 | 58.7 | 44.2 | 29.3 | 15.7 | 48.4 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1983 | 1983 | 1967 | 1967 | 1961 | 1969 | 1985 | 1983 | 1967 |
| Mean Min. Temperature (F) | 9.8 | 15.4 | 23.1 | 34.0 | 44.0 | 53.9 | 60.4 | 57.5 | 47.3 | 34.4 | 21.5 | 12.3 | 34.5 |
| Highest Mean Min. Temperature (F) | 17.1 | 22.6 | 30.4 | 39.3 | 49.2 | 59.8 | 64.7 | 60.2 | 54.2 | 41.8 | 28.1 | 18.8 | 37.4 |
| Year Highest Occurred | 1965 | 1987 | 1986 | 1981 | 1987 | 1988 | 1980 | 1963 | 1990 | 1963 | 1990 | 1980 | 1990 |
| Lowest Mean Min. Temperature (F) | -1.1 | 8.8 | 14.8 | 24.5 | 38.4 | 47.0 | 53.2 | 51.6 | 42.6 | 27.9 | 13.4 | -0.7 | 30.5 |
| Year Lowest Occurred | 1985 | 1985 | 1965 | 1983 | 1983 | 1985 | 1984 | 1967 | 1985 | 1986 | 1985 | 1983 | 1985 |
| Mean Precipitation (in.) | 0.26 | 0.33 | 0.86 | 0.95 | 2.63 | 2.10 | 2.63 | 1.82 | 1.36 | 0.81 | 0.58 | 0.36 | 14.69 |
| Highest Precipitation (in.) | 1.02 | 1.74 | 2.46 | 4.21 | 4.88 | 5.74 | 5.56 | 7.10 | 5.71 | 3.85 | 2.09 | 1.55 | 22.72 |
| Year Highest Occurred | 1980 | 1983 | 1980 | 1980 | 1967 | 1986 | 1977 | 1968 | 1969 | 1986 | 1972 | 1979 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.59 | 0.26 | 0.09 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 8.16 |
| Year Lowest Occurred | 1970 | 1988 | 1986 | 1988 | 1966 | 1980 | 1987 | 1973 | 1962 | 1988 | 1989 | 1970 | 1964 |
| Heating Degree Days (F) | 1215. | 941. | 797. | 453. | 203. | 33. | 0. | 0. | 105. | 416. | 819. | 1147. | 6129. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 6. | 29. | 183. | 344. | 259. | 66. | 6. | 0. | 0. | 893. |