| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.5 | 45.2 | 52.2 | 61.9 | 72.5 | 83.8 | 89.0 | 86.0 | 77.7 | 65.5 | 50.9 | 40.8 | 63.7 |
| Highest Mean Max. Temperature (F) | 48.9 | 52.1 | 62.8 | 69.6 | 78.7 | 90.6 | 91.4 | 89.0 | 83.9 | 72.8 | 56.0 | 51.4 | 66.2 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1984 | 1990 | 1971 | 1985 | 1979 | 1988 | 1967 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 30.5 | 38.2 | 46.0 | 54.7 | 67.0 | 76.6 | 85.5 | 79.5 | 70.8 | 56.6 | 44.3 | 34.2 | 61.2 |
| Year Lowest Occurred | 1963 | 1974 | 1973 | 1975 | 1965 | 1965 | 1986 | 1968 | 1986 | 1969 | 1972 | 1978 | 1973 |
| Mean Temperature (F) | 27.3 | 33.6 | 39.8 | 47.7 | 57.2 | 67.3 | 73.3 | 70.9 | 62.8 | 51.7 | 39.1 | 29.8 | 50.0 |
| Highest Mean Temperature (F) | 36.0 | 38.8 | 46.8 | 54.0 | 62.6 | 73.4 | 75.6 | 73.7 | 68.6 | 58.0 | 42.9 | 39.5 | 52.2 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1984 | 1990 | 1963 | 1970 | 1990 | 1988 | 1989 | 1980 | 1990 |
| Lowest Mean Temperature (F) | 19.3 | 26.3 | 35.3 | 41.7 | 53.0 | 61.8 | 70.8 | 65.7 | 58.1 | 44.6 | 33.5 | 22.6 | 47.4 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1970 | 1975 | 1965 | 1986 | 1968 | 1986 | 1969 | 1979 | 1978 | 1975 |
| Mean Min. Temperature (F) | 16.0 | 22.0 | 27.4 | 33.4 | 41.9 | 50.7 | 57.5 | 55.7 | 47.8 | 37.8 | 27.2 | 18.8 | 36.4 |
| Highest Mean Min. Temperature (F) | 23.7 | 27.7 | 32.9 | 39.8 | 46.5 | 56.2 | 60.2 | 58.7 | 55.6 | 43.1 | 31.2 | 27.5 | 39.2 |
| Year Highest Occurred | 1986 | 1968 | 1990 | 1990 | 1984 | 1990 | 1964 | 1970 | 1990 | 1988 | 1962 | 1980 | 1990 |
| Lowest Mean Min. Temperature (F) | 8.0 | 14.4 | 23.4 | 27.4 | 38.1 | 46.1 | 55.3 | 51.8 | 43.5 | 31.9 | 21.7 | 11.0 | 33.6 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1970 | 1975 | 1975 | 1968 | 1968 | 1971 | 1982 | 1979 | 1978 | 1975 |
| Mean Precipitation (in.) | 1.23 | 0.90 | 0.94 | 0.73 | 0.60 | 0.45 | 1.30 | 1.42 | 1.28 | 1.36 | 1.08 | 1.18 | 12.47 |
| Highest Precipitation (in.) | 4.03 | 2.86 | 2.56 | 1.97 | 2.02 | 1.71 | 3.15 | 4.95 | 3.79 | 6.62 | 2.75 | 4.34 | 19.99 |
| Year Highest Occurred | 1978 | 1980 | 1981 | 1965 | 1965 | 1973 | 1977 | 1968 | 1962 | 1972 | 1987 | 1978 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.07 | 0.03 | 0.12 | 0.00 | 0.00 | 0.00 | 4.27 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1989 | 1972 | 1974 | 1978 | 1985 | 1979 | 1964 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 1169. | 879. | 781. | 519. | 250. | 56. | 0. | 0. | 121. | 419. | 777. | 1091. | 6062. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 125. | 257. | 187. | 55. | 6. | 0. | 0. | 639. |