| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.4 | 51.0 | 56.0 | 60.6 | 67.1 | 74.0 | 79.9 | 80.3 | 74.6 | 64.0 | 52.6 | 45.6 | 62.6 |
| Highest Mean Max. Temperature (F) | 51.2 | 57.8 | 60.5 | 66.8 | 71.5 | 79.3 | 87.5 | 88.1 | 81.9 | 71.9 | 56.4 | 50.2 | 65.2 |
| Year Highest Occurred | 1981 | 1968 | 1986 | 1989 | 1969 | 1987 | 1985 | 1967 | 1974 | 1987 | 1981 | 1980 | 1987 |
| Lowest Mean Max. Temperature (F) | 35.4 | 43.5 | 51.9 | 56.0 | 60.4 | 68.4 | 73.9 | 74.3 | 69.0 | 59.8 | 42.9 | 39.2 | 59.3 |
| Year Lowest Occurred | 1979 | 1989 | 1967 | 1964 | 1962 | 1964 | 1963 | 1976 | 1978 | 1984 | 1985 | 1985 | 1964 |
| Mean Temperature (F) | 39.6 | 43.6 | 47.3 | 51.0 | 57.1 | 63.5 | 68.2 | 68.6 | 63.3 | 54.5 | 46.1 | 40.2 | 53.6 |
| Highest Mean Temperature (F) | 44.4 | 48.9 | 51.3 | 56.0 | 60.4 | 66.8 | 74.1 | 72.9 | 67.3 | 58.3 | 49.7 | 44.7 | 55.3 |
| Year Highest Occurred | 1983 | 1963 | 1986 | 1989 | 1987 | 1961 | 1985 | 1967 | 1974 | 1988 | 1965 | 1973 | 1987 |
| Lowest Mean Temperature (F) | 30.7 | 36.0 | 43.7 | 46.7 | 52.6 | 58.7 | 64.5 | 63.7 | 58.4 | 52.1 | 37.3 | 33.0 | 50.1 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1964 | 1964 | 1964 | 1964 | 1964 | 1964 | 1968 | 1985 | 1985 | 1964 |
| Mean Min. Temperature (F) | 33.7 | 36.1 | 38.6 | 41.3 | 47.0 | 52.9 | 56.5 | 56.9 | 52.0 | 44.9 | 39.5 | 34.8 | 44.5 |
| Highest Mean Min. Temperature (F) | 38.3 | 41.2 | 43.7 | 45.2 | 50.4 | 56.9 | 60.7 | 59.6 | 56.0 | 49.8 | 44.7 | 39.7 | 46.7 |
| Year Highest Occurred | 1983 | 1983 | 1983 | 1989 | 1983 | 1969 | 1985 | 1990 | 1990 | 1988 | 1983 | 1973 | 1983 |
| Lowest Mean Min. Temperature (F) | 26.0 | 28.5 | 34.1 | 37.4 | 41.9 | 49.0 | 53.1 | 52.2 | 46.5 | 41.9 | 31.2 | 26.8 | 40.8 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1964 | 1964 | 1964 | 1964 | 1964 | 1964 | 1972 | 1978 | 1985 | 1964 |
| Mean Precipitation (in.) | 5.35 | 3.85 | 3.56 | 2.39 | 2.06 | 1.48 | 0.63 | 1.09 | 1.75 | 2.67 | 5.34 | 6.13 | 36.30 |
| Highest Precipitation (in.) | 11.81 | 8.92 | 6.80 | 4.57 | 4.30 | 4.06 | 2.68 | 4.53 | 4.30 | 5.03 | 11.55 | 11.12 | 50.89 |
| Year Highest Occurred | 1970 | 1961 | 1983 | 1988 | 1977 | 1984 | 1983 | 1968 | 1986 | 1968 | 1973 | 1968 | 1968 |
| Lowest Precipitation (in.) | 0.06 | 0.78 | 1.10 | 0.85 | 0.46 | 0.14 | 0.00 | 0.00 | 0.00 | 0.19 | 0.77 | 1.38 | 22.48 |
| Year Lowest Occurred | 1985 | 1964 | 1965 | 1966 | 1982 | 1987 | 1984 | 1970 | 1975 | 1988 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 787. | 599. | 549. | 420. | 249. | 91. | 28. | 35. | 102. | 326. | 567. | 769. | 4522. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 46. | 127. | 147. | 51. | 0. | 0. | 0. | 371. |