| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.2 | 42.6 | 48.6 | 58.6 | 67.3 | 76.9 | 81.8 | 77.8 | 70.5 | 61.8 | 49.0 | 41.2 | 59.7 |
| Highest Mean Max. Temperature (F) | 52.3 | 51.1 | 59.6 | 68.2 | 74.8 | 84.0 | 89.3 | 84.1 | 77.2 | 71.3 | 58.7 | 51.5 | 64.6 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1963 | 1974 | 1972 | 1963 | 1972 | 1972 | 1962 | 1962 | 1980 | 1972 |
| Lowest Mean Max. Temperature (F) | 30.4 | 34.6 | 35.5 | 50.9 | 56.1 | 60.8 | 73.9 | 65.8 | 61.2 | 46.8 | 41.6 | 31.8 | 53.1 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1983 | 1983 | 1982 | 1967 | 1966 | 1982 | 1969 | 1968 | 1983 | 1982 |
| Mean Temperature (F) | 24.4 | 26.7 | 33.7 | 43.2 | 52.0 | 60.5 | 66.1 | 63.1 | 55.2 | 45.9 | 34.1 | 26.0 | 44.2 |
| Highest Mean Temperature (F) | 37.4 | 33.3 | 42.0 | 52.8 | 58.9 | 65.7 | 71.2 | 67.4 | 60.7 | 53.0 | 41.5 | 35.0 | 48.3 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1963 | 1984 | 1981 | 1963 | 1985 | 1963 | 1963 | 1962 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 12.5 | 20.4 | 22.1 | 31.6 | 41.8 | 49.7 | 60.9 | 57.1 | 50.4 | 34.6 | 27.0 | 13.8 | 39.6 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1984 | 1983 | 1982 | 1968 | 1966 | 1968 | 1969 | 1979 | 1983 | 1982 |
| Mean Min. Temperature (F) | 8.6 | 10.8 | 18.7 | 27.8 | 36.6 | 44.1 | 50.3 | 48.4 | 39.9 | 29.9 | 19.2 | 10.7 | 28.8 |
| Highest Mean Min. Temperature (F) | 22.4 | 18.4 | 27.5 | 37.4 | 43.9 | 49.5 | 55.7 | 53.5 | 45.6 | 35.9 | 28.1 | 20.8 | 32.8 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1963 | 1984 | 1988 | 1966 | 1984 | 1990 | 1963 | 1989 | 1984 | 1989 |
| Lowest Mean Min. Temperature (F) | -5.5 | 2.3 | 8.2 | 11.9 | 27.4 | 36.9 | 45.9 | 42.3 | 34.8 | 22.4 | 11.0 | -4.2 | 24.7 |
| Year Lowest Occurred | 1979 | 1982 | 1965 | 1984 | 1983 | 1983 | 1971 | 1978 | 1978 | 1969 | 1983 | 1983 | 1978 |
| Mean Precipitation (in.) | 0.96 | 1.12 | 1.95 | 1.92 | 2.55 | 1.69 | 3.22 | 3.60 | 1.59 | 1.26 | 1.15 | 1.09 | 22.10 |
| Highest Precipitation (in.) | 4.03 | 3.13 | 5.11 | 4.55 | 7.69 | 4.20 | 8.17 | 9.23 | 3.68 | 4.67 | 3.35 | 4.19 | 34.00 |
| Year Highest Occurred | 1987 | 1965 | 1970 | 1973 | 1980 | 1969 | 1965 | 1981 | 1976 | 1984 | 1983 | 1973 | 1961 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.03 | 0.00 | 0.03 | 0.05 | 0.50 | 0.56 | 0.10 | 0.03 | 0.00 | 0.02 | 12.61 |
| Year Lowest Occurred | 1984 | 1984 | 1986 | 1984 | 1984 | 1990 | 1980 | 1983 | 1978 | 1989 | 1965 | 1980 | 1963 |
| Heating Degree Days (F) | 1259. | 1072. | 970. | 654. | 414. | 197. | 66. | 120. | 300. | 592. | 927. | 1209. | 7780. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 62. | 100. | 61. | 6. | 0. | 0. | 0. | 240. |