| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.4 | 43.0 | 50.4 | 57.9 | 65.6 | 74.1 | 83.4 | 83.7 | 73.8 | 62.4 | 47.3 | 38.1 | 59.7 |
| Highest Mean Max. Temperature (F) | 43.2 | 53.7 | 57.2 | 67.5 | 71.8 | 82.0 | 90.8 | 90.8 | 84.2 | 72.8 | 52.2 | 43.5 | 63.1 |
| Year Highest Occurred | 1981 | 1963 | 1978 | 1987 | 1966 | 1961 | 1985 | 1971 | 1990 | 1988 | 1965 | 1976 | 1987 |
| Lowest Mean Max. Temperature (F) | 25.7 | 30.5 | 45.2 | 47.6 | 60.3 | 67.8 | 78.3 | 76.8 | 64.9 | 56.6 | 33.4 | 29.2 | 56.2 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1980 | 1983 | 1968 | 1985 | 1984 | 1985 | 1990 | 1975 |
| Mean Temperature (F) | 30.0 | 35.2 | 40.2 | 45.9 | 52.5 | 60.0 | 66.5 | 66.2 | 57.5 | 48.2 | 39.0 | 31.5 | 47.7 |
| Highest Mean Temperature (F) | 37.1 | 43.1 | 45.8 | 52.8 | 56.8 | 65.0 | 71.5 | 71.3 | 64.1 | 54.9 | 43.1 | 37.6 | 49.6 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1987 | 1987 | 1961 | 1985 | 1971 | 1967 | 1988 | 1965 | 1979 | 1987 |
| Lowest Mean Temperature (F) | 18.0 | 22.8 | 36.1 | 38.8 | 49.2 | 55.9 | 63.0 | 62.1 | 52.0 | 44.1 | 26.0 | 22.2 | 44.5 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1975 | 1980 | 1986 | 1964 | 1985 | 1971 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 23.5 | 27.4 | 29.9 | 33.8 | 39.4 | 45.9 | 49.5 | 48.7 | 41.0 | 34.0 | 30.6 | 24.8 | 35.7 |
| Highest Mean Min. Temperature (F) | 31.0 | 34.1 | 35.1 | 38.1 | 42.9 | 49.3 | 53.9 | 52.8 | 46.5 | 38.4 | 34.8 | 32.1 | 37.3 |
| Year Highest Occurred | 1981 | 1983 | 1983 | 1987 | 1987 | 1970 | 1975 | 1983 | 1963 | 1975 | 1981 | 1973 | 1986 |
| Lowest Mean Min. Temperature (F) | 10.3 | 15.0 | 24.0 | 29.9 | 37.0 | 43.0 | 46.6 | 43.8 | 37.3 | 30.1 | 18.5 | 15.1 | 32.7 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1975 | 1965 | 1962 | 1963 | 1980 | 1971 | 1987 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.16 | 0.90 | 1.18 | 1.24 | 1.64 | 1.56 | 0.61 | 0.94 | 1.04 | 1.00 | 1.32 | 1.19 | 13.78 |
| Highest Precipitation (in.) | 3.59 | 3.03 | 2.88 | 3.69 | 3.84 | 3.34 | 2.88 | 3.33 | 2.85 | 2.33 | 2.32 | 3.12 | 20.54 |
| Year Highest Occurred | 1965 | 1986 | 1983 | 1978 | 1977 | 1984 | 1982 | 1965 | 1970 | 1970 | 1968 | 1983 | 1984 |
| Lowest Precipitation (in.) | 0.24 | 0.21 | 0.20 | 0.14 | 0.64 | 0.29 | 0.00 | 0.00 | 0.05 | 0.00 | 0.47 | 0.06 | 9.98 |
| Year Lowest Occurred | 1977 | 1973 | 1965 | 1973 | 1964 | 1962 | 1961 | 1970 | 1990 | 1987 | 1974 | 1965 | 1987 |
| Heating Degree Days (F) | 1085. | 834. | 769. | 573. | 388. | 174. | 43. | 77. | 252. | 521. | 780. | 1039. | 6535. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 24. | 89. | 114. | 27. | 0. | 0. | 0. | 254. |