| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.2 | 42.6 | 49.6 | 60.4 | 71.3 | 82.2 | 90.1 | 87.9 | 77.9 | 64.6 | 48.7 | 38.4 | 62.6 |
| Highest Mean Max. Temperature (F) | 46.1 | 51.1 | 59.1 | 67.3 | 79.3 | 89.7 | 94.7 | 92.0 | 83.8 | 71.9 | 56.2 | 49.1 | 65.3 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1981 | 1969 | 1977 | 1964 | 1971 | 1979 | 1963 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 27.0 | 32.6 | 42.9 | 52.2 | 64.7 | 74.9 | 85.0 | 81.5 | 69.8 | 54.1 | 42.2 | 29.3 | 59.3 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1983 | 1983 | 1967 | 1986 | 1968 | 1965 | 1969 | 1979 | 1990 | 1984 |
| Mean Temperature (F) | 24.1 | 29.9 | 36.3 | 45.2 | 54.7 | 63.8 | 70.9 | 68.4 | 59.2 | 47.8 | 35.6 | 25.8 | 46.8 |
| Highest Mean Temperature (F) | 31.8 | 36.6 | 44.5 | 51.5 | 59.6 | 69.3 | 74.4 | 71.7 | 64.7 | 53.3 | 41.7 | 35.1 | 49.7 |
| Year Highest Occurred | 1969 | 1963 | 1986 | 1989 | 1969 | 1977 | 1989 | 1971 | 1990 | 1963 | 1989 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 14.7 | 19.4 | 30.2 | 39.9 | 50.1 | 59.7 | 68.1 | 63.8 | 52.4 | 41.9 | 29.4 | 15.1 | 44.6 |
| Year Lowest Occurred | 1984 | 1989 | 1969 | 1983 | 1975 | 1975 | 1973 | 1968 | 1965 | 1969 | 1979 | 1990 | 1984 |
| Mean Min. Temperature (F) | 11.0 | 17.2 | 23.0 | 30.0 | 38.0 | 45.3 | 51.7 | 48.9 | 40.5 | 31.0 | 22.4 | 13.1 | 31.0 |
| Highest Mean Min. Temperature (F) | 20.6 | 22.6 | 29.9 | 36.2 | 42.2 | 49.5 | 54.8 | 53.7 | 47.0 | 36.8 | 29.2 | 22.3 | 34.1 |
| Year Highest Occurred | 1965 | 1986 | 1986 | 1989 | 1987 | 1988 | 1990 | 1983 | 1990 | 1972 | 1989 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 0.9 | 6.1 | 16.2 | 25.6 | 34.0 | 41.0 | 48.7 | 42.2 | 34.5 | 25.3 | 16.5 | 0.8 | 28.9 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1966 | 1975 | 1976 | 1973 | 1975 | 1975 | 1976 | 1979 | 1990 | 1976 |
| Mean Precipitation (in.) | 0.32 | 0.44 | 0.73 | 0.99 | 1.01 | 0.93 | 0.65 | 0.68 | 0.95 | 0.98 | 0.63 | 0.58 | 8.89 |
| Highest Precipitation (in.) | 0.93 | 2.03 | 1.69 | 2.26 | 4.06 | 2.72 | 1.93 | 1.68 | 3.33 | 3.80 | 2.30 | 2.41 | 12.98 |
| Year Highest Occurred | 1980 | 1990 | 1979 | 1963 | 1975 | 1967 | 1965 | 1978 | 1982 | 1971 | 1978 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.02 | 0.00 | 0.10 | 0.10 | 0.07 | 0.00 | 0.07 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 4.55 |
| Year Lowest Occurred | 1961 | 1964 | 1971 | 1987 | 1969 | 1980 | 1968 | 1985 | 1968 | 1988 | 1976 | 1976 | 1988 |
| Heating Degree Days (F) | 1268. | 983. | 890. | 594. | 319. | 105. | 0. | 21. | 200. | 533. | 882. | 1215. | 7010. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 69. | 186. | 126. | 26. | 0. | 0. | 0. | 407. |