| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.6 | 46.3 | 54.0 | 62.6 | 72.5 | 84.0 | 92.2 | 89.7 | 80.4 | 67.7 | 52.5 | 40.9 | 65.2 |
| Highest Mean Max. Temperature (F) | 47.0 | 54.8 | 66.9 | 70.8 | 79.5 | 89.8 | 96.7 | 94.3 | 86.3 | 75.1 | 58.9 | 49.7 | 67.0 |
| Year Highest Occurred | 1990 | 1972 | 1972 | 1989 | 1963 | 1974 | 1989 | 1966 | 1975 | 1964 | 1965 | 1980 | 1976 |
| Lowest Mean Max. Temperature (F) | 28.5 | 37.7 | 45.7 | 55.0 | 64.3 | 77.9 | 88.4 | 85.9 | 73.3 | 58.7 | 45.7 | 31.4 | 62.0 |
| Year Lowest Occurred | 1984 | 1964 | 1964 | 1975 | 1975 | 1969 | 1987 | 1979 | 1986 | 1969 | 1979 | 1985 | 1984 |
| Mean Temperature (F) | 28.4 | 35.0 | 41.8 | 49.3 | 58.7 | 69.0 | 77.5 | 75.4 | 66.0 | 54.2 | 40.7 | 30.2 | 52.2 |
| Highest Mean Temperature (F) | 35.2 | 42.1 | 51.3 | 56.5 | 64.9 | 74.6 | 81.0 | 79.9 | 70.8 | 61.9 | 46.9 | 38.3 | 53.9 |
| Year Highest Occurred | 1990 | 1986 | 1972 | 1987 | 1963 | 1974 | 1989 | 1969 | 1963 | 1988 | 1965 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 19.8 | 25.0 | 33.5 | 43.0 | 51.5 | 64.0 | 74.7 | 69.5 | 59.5 | 47.0 | 33.5 | 21.0 | 49.4 |
| Year Lowest Occurred | 1984 | 1984 | 1964 | 1970 | 1975 | 1969 | 1987 | 1968 | 1965 | 1969 | 1979 | 1990 | 1984 |
| Mean Min. Temperature (F) | 17.2 | 23.5 | 29.5 | 36.0 | 44.9 | 54.0 | 62.7 | 61.0 | 51.6 | 40.6 | 28.9 | 19.3 | 39.1 |
| Highest Mean Min. Temperature (F) | 25.0 | 31.1 | 37.6 | 43.4 | 50.3 | 59.4 | 66.2 | 65.8 | 57.2 | 49.0 | 34.9 | 27.1 | 41.3 |
| Year Highest Occurred | 1978 | 1986 | 1978 | 1987 | 1963 | 1974 | 1966 | 1969 | 1979 | 1988 | 1965 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 8.4 | 11.6 | 21.2 | 28.3 | 38.7 | 49.6 | 60.1 | 53.0 | 44.7 | 35.2 | 21.3 | 9.7 | 36.7 |
| Year Lowest Occurred | 1989 | 1984 | 1964 | 1970 | 1975 | 1963 | 1982 | 1968 | 1968 | 1969 | 1979 | 1990 | 1968 |
| Mean Precipitation (in.) | 1.10 | 1.11 | 1.96 | 1.78 | 1.37 | 0.78 | 0.89 | 1.04 | 1.15 | 1.28 | 1.36 | 1.32 | 15.14 |
| Highest Precipitation (in.) | 3.19 | 2.55 | 3.52 | 4.31 | 3.36 | 2.83 | 3.41 | 3.79 | 4.26 | 3.11 | 3.55 | 3.36 | 22.67 |
| Year Highest Occurred | 1974 | 1984 | 1973 | 1984 | 1975 | 1984 | 1982 | 1983 | 1982 | 1981 | 1983 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.10 | 0.02 | 0.12 | 0.27 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.10 | 0.33 | 0.09 | 8.27 |
| Year Lowest Occurred | 1970 | 1970 | 1972 | 1977 | 1972 | 1979 | 1972 | 1962 | 1979 | 1964 | 1962 | 1976 | 1989 |
| Heating Degree Days (F) | 1135. | 840. | 719. | 476. | 227. | 44. | 0. | 0. | 86. | 352. | 729. | 1079. | 5687. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 31. | 164. | 388. | 322. | 116. | 17. | 0. | 0. | 1043. |