| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.5 | 40.6 | 49.3 | 58.8 | 68.7 | 78.9 | 89.3 | 88.2 | 76.5 | 63.1 | 45.6 | 35.1 | 60.6 |
| Highest Mean Max. Temperature (F) | 40.1 | 49.6 | 57.6 | 70.3 | 75.6 | 89.4 | 95.6 | 94.8 | 85.4 | 75.1 | 51.9 | 40.5 | 64.3 |
| Year Highest Occurred | 1983 | 1963 | 1986 | 1987 | 1987 | 1961 | 1961 | 1967 | 1990 | 1988 | 1965 | 1962 | 1987 |
| Lowest Mean Max. Temperature (F) | 25.8 | 29.1 | 40.7 | 48.7 | 62.3 | 72.6 | 83.7 | 79.5 | 68.1 | 56.6 | 37.5 | 24.3 | 57.7 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1964 | 1983 | 1968 | 1985 | 1969 | 1985 | 1985 | 1975 |
| Mean Temperature (F) | 26.5 | 31.9 | 38.9 | 46.8 | 55.4 | 64.3 | 72.5 | 71.3 | 60.8 | 49.8 | 37.5 | 28.4 | 48.7 |
| Highest Mean Temperature (F) | 33.2 | 39.6 | 45.3 | 53.6 | 60.9 | 71.7 | 76.6 | 77.3 | 67.8 | 57.8 | 43.1 | 34.2 | 50.8 |
| Year Highest Occurred | 1983 | 1963 | 1986 | 1987 | 1987 | 1961 | 1985 | 1961 | 1990 | 1988 | 1965 | 1962 | 1987 |
| Lowest Mean Temperature (F) | 16.6 | 20.6 | 31.0 | 40.0 | 50.0 | 60.0 | 68.2 | 65.7 | 54.7 | 43.9 | 28.7 | 17.6 | 45.2 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1984 | 1983 | 1968 | 1970 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 19.5 | 23.1 | 28.4 | 34.8 | 42.0 | 49.7 | 55.7 | 54.4 | 45.1 | 36.5 | 29.4 | 21.6 | 36.7 |
| Highest Mean Min. Temperature (F) | 27.2 | 30.0 | 34.6 | 39.5 | 46.6 | 53.9 | 59.3 | 60.3 | 52.2 | 43.8 | 34.3 | 27.8 | 38.9 |
| Year Highest Occurred | 1981 | 1980 | 1983 | 1990 | 1963 | 1961 | 1975 | 1961 | 1963 | 1963 | 1965 | 1962 | 1963 |
| Lowest Mean Min. Temperature (F) | 7.4 | 12.0 | 21.1 | 30.1 | 37.7 | 45.9 | 52.6 | 49.2 | 38.7 | 31.2 | 19.9 | 10.2 | 32.5 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1970 | 1977 | 1976 | 1983 | 1985 | 1970 | 1969 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 2.88 | 2.14 | 1.88 | 1.48 | 1.14 | 1.01 | 0.35 | 0.47 | 0.93 | 1.12 | 2.91 | 2.75 | 19.06 |
| Highest Precipitation (in.) | 9.09 | 8.48 | 4.84 | 3.94 | 3.18 | 2.73 | 1.53 | 3.85 | 3.70 | 3.57 | 6.50 | 7.57 | 30.10 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1965 | 1980 | 1967 | 1978 | 1968 | 1986 | 1961 | 1988 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.17 | 0.19 | 0.30 | 0.15 | 0.09 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.12 | 12.32 |
| Year Lowest Occurred | 1985 | 1964 | 1969 | 1987 | 1974 | 1989 | 1988 | 1969 | 1987 | 1988 | 1976 | 1976 | 1966 |
| Heating Degree Days (F) | 1194. | 927. | 809. | 546. | 303. | 107. | 7. | 28. | 188. | 471. | 825. | 1135. | 6540. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 86. | 240. | 224. | 62. | 0. | 0. | 0. | 618. |