| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.1 | 51.2 | 56.4 | 61.6 | 68.8 | 75.5 | 82.2 | 82.8 | 76.7 | 64.9 | 52.7 | 45.8 | 63.7 |
| Highest Mean Max. Temperature (F) | 51.0 | 58.6 | 61.3 | 67.9 | 73.9 | 80.6 | 88.0 | 92.6 | 85.0 | 73.0 | 56.6 | 50.6 | 65.8 |
| Year Highest Occurred | 1961 | 1968 | 1978 | 1989 | 1969 | 1987 | 1985 | 1967 | 1967 | 1987 | 1976 | 1979 | 1967 |
| Lowest Mean Max. Temperature (F) | 37.2 | 43.3 | 51.8 | 56.5 | 62.5 | 69.7 | 76.7 | 74.7 | 70.6 | 59.4 | 44.1 | 39.2 | 62.1 |
| Year Lowest Occurred | 1969 | 1989 | 1971 | 1970 | 1977 | 1980 | 1987 | 1975 | 1977 | 1984 | 1985 | 1983 | 1975 |
| Mean Temperature (F) | 39.7 | 43.5 | 46.6 | 50.1 | 55.7 | 61.3 | 65.9 | 66.4 | 61.7 | 53.3 | 45.2 | 39.8 | 52.4 |
| Highest Mean Temperature (F) | 44.4 | 49.7 | 51.2 | 55.8 | 58.8 | 65.5 | 70.5 | 71.3 | 66.5 | 58.2 | 48.2 | 44.1 | 54.3 |
| Year Highest Occurred | 1986 | 1968 | 1986 | 1989 | 1969 | 1986 | 1985 | 1967 | 1974 | 1988 | 1967 | 1979 | 1987 |
| Lowest Mean Temperature (F) | 31.6 | 35.9 | 43.2 | 45.1 | 52.4 | 56.7 | 62.2 | 61.0 | 56.8 | 48.7 | 38.3 | 33.8 | 50.7 |
| Year Lowest Occurred | 1969 | 1989 | 1967 | 1967 | 1962 | 1971 | 1969 | 1969 | 1970 | 1969 | 1985 | 1990 | 1969 |
| Mean Min. Temperature (F) | 33.3 | 35.7 | 36.8 | 38.6 | 42.5 | 47.2 | 49.5 | 49.9 | 46.6 | 41.6 | 37.7 | 33.7 | 41.1 |
| Highest Mean Min. Temperature (F) | 38.7 | 40.7 | 42.0 | 43.6 | 45.7 | 51.8 | 52.9 | 54.9 | 51.6 | 47.2 | 41.7 | 38.9 | 43.8 |
| Year Highest Occurred | 1983 | 1968 | 1983 | 1989 | 1987 | 1969 | 1987 | 1983 | 1979 | 1988 | 1983 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 26.0 | 28.5 | 33.9 | 33.7 | 38.6 | 43.3 | 44.4 | 42.5 | 40.4 | 36.6 | 31.1 | 26.2 | 38.4 |
| Year Lowest Occurred | 1969 | 1989 | 1967 | 1967 | 1965 | 1971 | 1969 | 1969 | 1970 | 1970 | 1978 | 1972 | 1969 |
| Mean Precipitation (in.) | 7.15 | 5.16 | 4.89 | 2.55 | 1.87 | 1.04 | 0.48 | 0.73 | 1.64 | 3.21 | 6.68 | 7.78 | 43.18 |
| Highest Precipitation (in.) | 13.78 | 12.03 | 8.38 | 4.97 | 3.93 | 2.68 | 2.22 | 4.51 | 4.68 | 7.03 | 19.22 | 13.93 | 61.56 |
| Year Highest Occurred | 1990 | 1961 | 1989 | 1982 | 1984 | 1984 | 1983 | 1968 | 1969 | 1968 | 1973 | 1964 | 1968 |
| Lowest Precipitation (in.) | 0.35 | 0.67 | 0.81 | 0.30 | 0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.74 | 1.08 | 24.34 |
| Year Lowest Occurred | 1985 | 1988 | 1965 | 1977 | 1982 | 1965 | 1988 | 1988 | 1975 | 1988 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 784. | 602. | 570. | 447. | 288. | 138. | 46. | 74. | 140. | 363. | 594. | 781. | 4827. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 27. | 74. | 117. | 41. | 0. | 0. | 0. | 259. |