| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.0 | 47.3 | 54.7 | 64.1 | 74.1 | 84.8 | 90.2 | 86.8 | 78.7 | 67.3 | 53.0 | 42.8 | 65.4 |
| Highest Mean Max. Temperature (F) | 49.6 | 53.9 | 65.2 | 71.5 | 81.4 | 92.9 | 94.7 | 91.4 | 83.8 | 73.4 | 59.3 | 53.5 | 68.0 |
| Year Highest Occurred | 1981 | 1977 | 1972 | 1989 | 1974 | 1974 | 1971 | 1969 | 1969 | 1988 | 1977 | 1980 | 1977 |
| Lowest Mean Max. Temperature (F) | 31.6 | 39.8 | 48.6 | 55.0 | 67.5 | 78.9 | 86.1 | 81.3 | 71.2 | 59.0 | 46.0 | 34.5 | 62.2 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1983 | 1980 | 1965 | 1983 | 1968 | 1986 | 1984 | 1972 | 1978 | 1982 |
| Mean Temperature (F) | 27.6 | 34.1 | 40.5 | 48.3 | 57.1 | 66.3 | 72.5 | 69.8 | 61.7 | 51.2 | 39.2 | 29.6 | 49.8 |
| Highest Mean Temperature (F) | 35.3 | 39.9 | 48.6 | 54.8 | 62.3 | 71.5 | 74.9 | 73.8 | 65.9 | 56.0 | 44.0 | 38.5 | 51.8 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1989 | 1984 | 1974 | 1989 | 1969 | 1990 | 1988 | 1977 | 1980 | 1977 |
| Lowest Mean Temperature (F) | 18.9 | 26.0 | 35.8 | 41.7 | 53.0 | 60.6 | 69.8 | 65.4 | 56.3 | 45.9 | 34.0 | 22.5 | 48.1 |
| Year Lowest Occurred | 1973 | 1979 | 1964 | 1983 | 1980 | 1965 | 1987 | 1968 | 1986 | 1984 | 1964 | 1961 | 1982 |
| Mean Min. Temperature (F) | 14.1 | 20.9 | 26.3 | 32.4 | 40.0 | 47.7 | 54.7 | 52.8 | 44.6 | 35.1 | 25.4 | 16.5 | 34.2 |
| Highest Mean Min. Temperature (F) | 21.7 | 26.0 | 32.0 | 38.1 | 44.4 | 52.8 | 57.0 | 56.3 | 51.1 | 40.2 | 28.6 | 25.4 | 36.5 |
| Year Highest Occurred | 1978 | 1963 | 1972 | 1989 | 1984 | 1981 | 1961 | 1986 | 1990 | 1963 | 1977 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 6.0 | 12.1 | 20.8 | 27.5 | 36.8 | 42.2 | 51.7 | 49.1 | 39.5 | 30.2 | 19.7 | 9.9 | 31.8 |
| Year Lowest Occurred | 1973 | 1979 | 1964 | 1975 | 1965 | 1965 | 1962 | 1976 | 1965 | 1982 | 1964 | 1990 | 1964 |
| Mean Precipitation (in.) | 0.78 | 0.62 | 0.90 | 0.50 | 0.68 | 0.41 | 1.06 | 1.51 | 1.04 | 0.98 | 0.83 | 0.70 | 10.01 |
| Highest Precipitation (in.) | 2.77 | 2.71 | 2.35 | 2.73 | 2.16 | 2.09 | 3.20 | 4.12 | 2.80 | 4.42 | 4.65 | 2.76 | 14.99 |
| Year Highest Occurred | 1980 | 1980 | 1983 | 1965 | 1976 | 1972 | 1966 | 1970 | 1980 | 1972 | 1978 | 1965 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.07 | 0.07 | 0.00 | 0.00 | 0.00 | 5.54 |
| Year Lowest Occurred | 1976 | 1977 | 1972 | 1989 | 1974 | 1980 | 1979 | 1985 | 1971 | 1979 | 1976 | 1989 | 1977 |
| Heating Degree Days (F) | 1159. | 865. | 760. | 501. | 254. | 67. | 0. | 9. | 134. | 428. | 774. | 1097. | 6048. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 106. | 233. | 157. | 35. | 0. | 0. | 0. | 540. |