| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.1 | 47.5 | 54.8 | 65.3 | 74.3 | 84.9 | 90.9 | 88.7 | 80.0 | 69.4 | 52.9 | 43.7 | 66.2 |
| Highest Mean Max. Temperature (F) | 52.9 | 55.2 | 63.6 | 73.7 | 82.3 | 91.3 | 97.5 | 93.8 | 85.3 | 79.5 | 63.4 | 54.5 | 70.5 |
| Year Highest Occurred | 1965 | 1976 | 1986 | 1965 | 1962 | 1963 | 1964 | 1970 | 1964 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 29.2 | 35.6 | 46.2 | 54.1 | 68.1 | 78.2 | 86.2 | 84.5 | 72.0 | 53.0 | 39.7 | 24.9 | 63.3 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1983 | 1982 | 1972 | 1972 | 1985 | 1969 | 1972 | 1983 | 1984 |
| Mean Temperature (F) | 28.3 | 33.1 | 40.0 | 49.8 | 59.3 | 68.9 | 74.8 | 72.8 | 63.7 | 52.8 | 38.6 | 29.8 | 51.0 |
| Highest Mean Temperature (F) | 38.2 | 39.7 | 47.5 | 55.9 | 64.8 | 73.8 | 79.4 | 77.6 | 68.8 | 61.6 | 45.7 | 38.2 | 54.4 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1965 | 1962 | 1963 | 1964 | 1970 | 1963 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 16.9 | 23.9 | 30.8 | 41.6 | 54.7 | 64.9 | 71.6 | 69.0 | 56.6 | 43.4 | 30.2 | 14.8 | 48.9 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1983 | 1982 | 1990 | 1974 | 1965 | 1969 | 1972 | 1983 | 1985 |
| Mean Min. Temperature (F) | 14.4 | 18.7 | 25.1 | 34.1 | 44.2 | 52.8 | 58.6 | 56.8 | 47.4 | 36.1 | 24.3 | 15.9 | 35.7 |
| Highest Mean Min. Temperature (F) | 24.9 | 25.2 | 31.3 | 39.0 | 48.9 | 56.7 | 63.4 | 61.7 | 53.5 | 43.6 | 29.2 | 21.9 | 38.2 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1963 | 1987 | 1972 | 1966 | 1961 | 1963 | 1963 | 1981 | 1980 | 1963 |
| Lowest Mean Min. Temperature (F) | 4.6 | 11.0 | 15.3 | 28.8 | 40.4 | 48.0 | 55.4 | 53.1 | 40.8 | 30.3 | 19.5 | 4.6 | 34.1 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1982 | 1978 | 1976 | 1988 | 1976 | 1974 | 1976 | 1982 | 1983 | 1985 |
| Mean Precipitation (in.) | 0.38 | 0.29 | 1.07 | 1.44 | 3.01 | 2.87 | 2.73 | 1.67 | 1.32 | 0.78 | 0.52 | 0.31 | 16.39 |
| Highest Precipitation (in.) | 1.08 | 1.31 | 3.19 | 3.25 | 5.46 | 7.70 | 5.66 | 3.03 | 5.52 | 4.97 | 2.42 | 1.30 | 21.58 |
| Year Highest Occurred | 1971 | 1987 | 1981 | 1977 | 1975 | 1962 | 1961 | 1972 | 1963 | 1969 | 1972 | 1967 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.01 | 0.18 | 0.24 | 0.52 | 0.57 | 0.57 | 0.00 | 0.00 | 0.00 | 0.00 | 9.30 |
| Year Lowest Occurred | 1983 | 1981 | 1972 | 1965 | 1966 | 1990 | 1989 | 1971 | 1983 | 1983 | 1989 | 1986 | 1974 |
| Heating Degree Days (F) | 1138. | 893. | 775. | 461. | 205. | 31. | 0. | 5. | 112. | 387. | 792. | 1091. | 5890. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 28. | 148. | 304. | 247. | 73. | 9. | 0. | 0. | 809. |