| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.5 | 47.5 | 56.6 | 66.8 | 77.2 | 88.5 | 95.0 | 92.0 | 82.9 | 70.1 | 53.7 | 41.4 | 67.5 |
| Highest Mean Max. Temperature (F) | 52.1 | 55.1 | 66.1 | 74.0 | 82.9 | 95.7 | 99.2 | 96.2 | 90.9 | 76.9 | 59.3 | 53.6 | 70.8 |
| Year Highest Occurred | 1981 | 1986 | 1972 | 1981 | 1969 | 1977 | 1988 | 1985 | 1979 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 25.4 | 36.5 | 48.8 | 56.8 | 66.7 | 79.6 | 92.6 | 84.1 | 73.3 | 59.0 | 47.0 | 32.2 | 63.5 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1975 | 1975 | 1975 | 1990 | 1968 | 1961 | 1969 | 1972 | 1978 | 1975 |
| Mean Temperature (F) | 27.5 | 36.2 | 44.8 | 53.8 | 63.2 | 73.3 | 79.7 | 77.1 | 68.0 | 56.2 | 42.4 | 31.0 | 54.4 |
| Highest Mean Temperature (F) | 39.2 | 43.1 | 52.3 | 58.8 | 68.0 | 78.2 | 81.9 | 80.2 | 73.5 | 62.8 | 48.2 | 41.7 | 57.3 |
| Year Highest Occurred | 1981 | 1986 | 1986 | 1981 | 1969 | 1977 | 1966 | 1969 | 1979 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 15.0 | 23.3 | 38.1 | 45.3 | 55.0 | 66.0 | 77.3 | 71.4 | 60.4 | 48.4 | 35.7 | 21.1 | 50.6 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1975 | 1975 | 1975 | 1962 | 1968 | 1961 | 1969 | 1979 | 1978 | 1975 |
| Mean Min. Temperature (F) | 16.5 | 24.8 | 32.9 | 40.8 | 49.2 | 58.1 | 64.3 | 62.0 | 53.0 | 42.3 | 31.0 | 20.7 | 41.3 |
| Highest Mean Min. Temperature (F) | 26.4 | 31.1 | 39.1 | 45.2 | 53.1 | 61.9 | 67.7 | 66.2 | 59.1 | 48.7 | 37.1 | 29.7 | 43.8 |
| Year Highest Occurred | 1980 | 1968 | 1986 | 1990 | 1969 | 1961 | 1966 | 1969 | 1990 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 4.5 | 10.1 | 27.4 | 33.8 | 43.2 | 52.3 | 60.7 | 57.3 | 46.4 | 37.8 | 24.3 | 9.9 | 37.6 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1975 | 1975 | 1975 | 1987 | 1976 | 1988 | 1969 | 1979 | 1978 | 1975 |
| Mean Precipitation (in.) | 0.52 | 0.58 | 1.09 | 0.94 | 1.07 | 0.71 | 0.72 | 0.89 | 1.05 | 1.21 | 0.90 | 0.69 | 10.37 |
| Highest Precipitation (in.) | 1.21 | 1.90 | 2.72 | 2.25 | 2.95 | 3.00 | 1.69 | 2.29 | 3.47 | 3.43 | 2.76 | 2.16 | 19.37 |
| Year Highest Occurred | 1974 | 1989 | 1970 | 1965 | 1983 | 1983 | 1985 | 1963 | 1961 | 1984 | 1983 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.01 | 0.07 | 0.00 | 0.00 | 0.11 | 0.03 | 0.03 | 0.00 | 0.02 | 0.00 | 6.14 |
| Year Lowest Occurred | 1961 | 1972 | 1972 | 1982 | 1974 | 1980 | 1961 | 1985 | 1979 | 1964 | 1989 | 1976 | 1977 |
| Heating Degree Days (F) | 1163. | 806. | 626. | 346. | 119. | 13. | 0. | 0. | 56. | 291. | 678. | 1054. | 5152. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 10. | 63. | 262. | 456. | 375. | 146. | 18. | 0. | 0. | 1330. |