| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.2 | 40.8 | 46.4 | 54.7 | 63.6 | 73.7 | 82.8 | 82.3 | 72.6 | 61.2 | 45.0 | 36.4 | 57.9 |
| Highest Mean Max. Temperature (F) | 40.4 | 49.8 | 52.6 | 64.7 | 71.6 | 81.9 | 88.7 | 89.0 | 79.8 | 72.5 | 54.4 | 44.8 | 59.8 |
| Year Highest Occurred | 1990 | 1963 | 1968 | 1987 | 1966 | 1961 | 1985 | 1971 | 1990 | 1988 | 1976 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 28.1 | 29.4 | 39.8 | 45.4 | 54.2 | 67.0 | 75.6 | 71.8 | 62.5 | 51.7 | 35.6 | 29.4 | 54.9 |
| Year Lowest Occurred | 1979 | 1989 | 1962 | 1967 | 1977 | 1980 | 1983 | 1976 | 1986 | 1984 | 1985 | 1972 | 1984 |
| Mean Temperature (F) | 26.6 | 31.7 | 36.0 | 42.1 | 49.7 | 58.8 | 66.5 | 66.0 | 57.4 | 47.8 | 35.6 | 28.0 | 45.5 |
| Highest Mean Temperature (F) | 33.0 | 39.1 | 41.9 | 50.4 | 54.6 | 64.8 | 72.1 | 71.2 | 65.0 | 57.6 | 42.8 | 35.3 | 47.2 |
| Year Highest Occurred | 1976 | 1963 | 1986 | 1990 | 1973 | 1961 | 1985 | 1971 | 1990 | 1988 | 1976 | 1980 | 1987 |
| Lowest Mean Temperature (F) | 19.2 | 20.4 | 31.2 | 35.0 | 43.7 | 53.9 | 61.2 | 59.9 | 50.1 | 41.6 | 25.0 | 20.3 | 43.2 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1967 | 1977 | 1971 | 1983 | 1968 | 1986 | 1969 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 18.0 | 22.5 | 25.5 | 29.4 | 35.8 | 43.9 | 50.2 | 49.7 | 42.1 | 34.3 | 26.0 | 19.6 | 33.1 |
| Highest Mean Min. Temperature (F) | 25.9 | 28.4 | 31.5 | 36.4 | 40.2 | 49.2 | 55.4 | 55.2 | 50.1 | 42.7 | 31.1 | 29.2 | 35.0 |
| Year Highest Occurred | 1976 | 1963 | 1983 | 1990 | 1973 | 1986 | 1985 | 1977 | 1990 | 1988 | 1976 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 10.3 | 11.4 | 19.7 | 23.4 | 30.9 | 40.5 | 44.3 | 44.0 | 33.8 | 29.1 | 14.3 | 10.4 | 29.9 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1970 | 1965 | 1971 | 1963 | 1964 | 1972 | 1970 | 1985 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.17 | 0.82 | 0.97 | 0.80 | 1.10 | 0.91 | 0.40 | 0.73 | 0.63 | 0.81 | 1.28 | 1.33 | 10.95 |
| Highest Precipitation (in.) | 2.80 | 3.24 | 2.86 | 2.50 | 2.02 | 2.54 | 1.69 | 3.45 | 1.93 | 3.38 | 2.67 | 4.91 | 16.25 |
| Year Highest Occurred | 1970 | 1986 | 1989 | 1978 | 1977 | 1965 | 1987 | 1976 | 1982 | 1962 | 1981 | 1964 | 1964 |
| Lowest Precipitation (in.) | 0.18 | 0.05 | 0.03 | 0.03 | 0.25 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | 0.05 | 6.61 |
| Year Lowest Occurred | 1984 | 1964 | 1976 | 1968 | 1982 | 1973 | 1988 | 1970 | 1987 | 1988 | 1974 | 1976 | 1974 |
| Heating Degree Days (F) | 1190. | 932. | 899. | 687. | 474. | 212. | 73. | 89. | 271. | 533. | 882. | 1147. | 7389. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 26. | 120. | 120. | 43. | 0. | 0. | 0. | 309. |