| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.9 | 49.8 | 54.6 | 59.2 | 65.7 | 71.9 | 77.1 | 77.9 | 72.8 | 63.1 | 52.0 | 45.0 | 61.2 |
| Highest Mean Max. Temperature (F) | 51.7 | 56.7 | 59.6 | 64.5 | 69.8 | 78.7 | 84.7 | 86.2 | 80.3 | 71.3 | 56.7 | 49.5 | 63.6 |
| Year Highest Occurred | 1981 | 1968 | 1986 | 1989 | 1969 | 1961 | 1985 | 1967 | 1967 | 1987 | 1976 | 1980 | 1987 |
| Lowest Mean Max. Temperature (F) | 36.1 | 42.6 | 49.2 | 53.7 | 60.7 | 66.1 | 71.5 | 70.6 | 66.9 | 57.9 | 43.3 | 39.0 | 59.1 |
| Year Lowest Occurred | 1969 | 1989 | 1971 | 1975 | 1977 | 1980 | 1983 | 1976 | 1978 | 1984 | 1985 | 1983 | 1975 |
| Mean Temperature (F) | 38.1 | 41.8 | 45.5 | 49.1 | 54.8 | 60.6 | 64.6 | 64.8 | 60.0 | 52.1 | 44.4 | 38.8 | 51.2 |
| Highest Mean Temperature (F) | 43.3 | 47.9 | 49.8 | 53.3 | 58.1 | 66.2 | 69.4 | 70.6 | 65.3 | 57.3 | 49.0 | 43.0 | 53.7 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1989 | 1987 | 1961 | 1961 | 1961 | 1963 | 1965 | 1965 | 1973 | 1961 |
| Lowest Mean Temperature (F) | 28.2 | 34.5 | 41.4 | 43.8 | 51.3 | 56.1 | 61.9 | 60.1 | 56.4 | 49.7 | 36.1 | 32.2 | 48.8 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1975 | 1977 | 1976 | 1976 | 1975 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 31.2 | 33.6 | 36.2 | 38.9 | 43.9 | 49.4 | 52.0 | 51.7 | 47.2 | 41.0 | 36.8 | 32.5 | 41.2 |
| Highest Mean Min. Temperature (F) | 37.9 | 40.8 | 40.7 | 43.2 | 47.4 | 55.1 | 56.4 | 57.1 | 53.8 | 47.3 | 42.5 | 37.3 | 44.7 |
| Year Highest Occurred | 1967 | 1961 | 1983 | 1962 | 1961 | 1969 | 1961 | 1961 | 1963 | 1965 | 1965 | 1973 | 1961 |
| Lowest Mean Min. Temperature (F) | 19.7 | 26.3 | 32.4 | 33.8 | 41.2 | 44.8 | 49.5 | 48.3 | 43.7 | 36.2 | 27.5 | 22.8 | 37.6 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1976 | 1976 | 1976 | 1985 | 1983 | 1974 | 1978 | 1985 | 1985 |
| Mean Precipitation (in.) | 6.05 | 4.53 | 4.04 | 2.76 | 2.35 | 1.64 | 0.82 | 1.22 | 2.01 | 3.16 | 5.90 | 6.82 | 41.30 |
| Highest Precipitation (in.) | 12.84 | 9.25 | 7.16 | 4.62 | 4.28 | 4.02 | 3.75 | 5.11 | 4.82 | 6.38 | 12.92 | 11.50 | 56.59 |
| Year Highest Occurred | 1970 | 1961 | 1989 | 1961 | 1984 | 1984 | 1983 | 1968 | 1969 | 1968 | 1973 | 1964 | 1968 |
| Lowest Precipitation (in.) | 0.29 | 0.81 | 0.87 | 0.94 | 0.44 | 0.32 | 0.00 | 0.00 | 0.00 | 0.25 | 1.13 | 1.64 | 27.88 |
| Year Lowest Occurred | 1985 | 1964 | 1965 | 1966 | 1982 | 1970 | 1984 | 1967 | 1975 | 1988 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 834. | 650. | 605. | 477. | 316. | 155. | 74. | 87. | 168. | 400. | 618. | 812. | 5196. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 23. | 61. | 81. | 18. | 0. | 0. | 0. | 183. |