| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.3 | 42.9 | 52.3 | 62.3 | 72.5 | 83.1 | 89.3 | 86.8 | 78.0 | 66.2 | 50.3 | 38.2 | 63.1 |
| Highest Mean Max. Temperature (F) | 49.3 | 53.0 | 62.5 | 69.0 | 79.4 | 88.3 | 93.1 | 91.5 | 84.8 | 73.7 | 57.1 | 50.8 | 66.1 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1989 | 1969 | 1977 | 1964 | 1970 | 1979 | 1964 | 1989 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 24.6 | 31.7 | 45.9 | 53.4 | 66.7 | 76.0 | 83.1 | 80.1 | 70.1 | 57.6 | 42.0 | 29.3 | 60.6 |
| Year Lowest Occurred | 1979 | 1979 | 1979 | 1975 | 1980 | 1967 | 1987 | 1968 | 1961 | 1969 | 1972 | 1978 | 1982 |
| Mean Temperature (F) | 21.5 | 28.7 | 37.8 | 46.3 | 55.7 | 65.0 | 71.6 | 69.1 | 60.1 | 49.1 | 35.9 | 24.8 | 47.1 |
| Highest Mean Temperature (F) | 33.2 | 36.9 | 44.5 | 51.7 | 61.1 | 69.7 | 73.8 | 73.1 | 64.8 | 54.2 | 40.8 | 34.4 | 50.5 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1981 | 1969 | 1977 | 1964 | 1970 | 1979 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 12.2 | 17.7 | 32.2 | 39.4 | 51.9 | 60.6 | 66.2 | 63.8 | 54.7 | 43.1 | 30.6 | 16.5 | 45.3 |
| Year Lowest Occurred | 1979 | 1979 | 1969 | 1975 | 1975 | 1975 | 1987 | 1968 | 1961 | 1969 | 1979 | 1990 | 1975 |
| Mean Min. Temperature (F) | 7.7 | 14.6 | 23.3 | 30.3 | 38.9 | 46.9 | 53.8 | 51.4 | 42.2 | 32.0 | 21.4 | 11.3 | 31.2 |
| Highest Mean Min. Temperature (F) | 19.2 | 22.6 | 29.5 | 35.3 | 43.2 | 51.0 | 57.0 | 56.3 | 47.4 | 38.7 | 26.8 | 18.0 | 34.9 |
| Year Highest Occurred | 1965 | 1986 | 1978 | 1985 | 1984 | 1981 | 1985 | 1983 | 1981 | 1972 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | -4.3 | 3.6 | 17.7 | 25.3 | 35.0 | 42.7 | 49.2 | 46.8 | 37.0 | 27.2 | 16.1 | -0.3 | 27.8 |
| Year Lowest Occurred | 1989 | 1979 | 1977 | 1975 | 1989 | 1989 | 1987 | 1987 | 1987 | 1970 | 1979 | 1990 | 1989 |
| Mean Precipitation (in.) | 0.52 | 0.46 | 0.59 | 0.48 | 0.63 | 0.50 | 0.87 | 0.99 | 0.76 | 0.71 | 0.49 | 0.50 | 7.50 |
| Highest Precipitation (in.) | 1.96 | 1.69 | 1.93 | 1.96 | 1.88 | 2.01 | 2.50 | 3.27 | 3.68 | 2.65 | 2.68 | 1.74 | 14.28 |
| Year Highest Occurred | 1980 | 1978 | 1981 | 1988 | 1964 | 1965 | 1987 | 1961 | 1961 | 1972 | 1978 | 1966 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 3.94 |
| Year Lowest Occurred | 1972 | 1988 | 1977 | 1982 | 1974 | 1978 | 1979 | 1985 | 1979 | 1964 | 1990 | 1980 | 1976 |
| Heating Degree Days (F) | 1349. | 1016. | 843. | 561. | 294. | 76. | 5. | 25. | 175. | 493. | 873. | 1246. | 6956. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 76. | 210. | 152. | 28. | 0. | 0. | 0. | 472. |