| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 26.2 | 33.2 | 44.4 | 59.2 | 70.2 | 79.1 | 85.9 | 84.6 | 72.4 | 61.2 | 41.6 | 28.9 | 57.2 |
| Highest Mean Max. Temperature (F) | 42.0 | 46.8 | 57.0 | 69.0 | 77.4 | 92.2 | 90.8 | 93.1 | 81.2 | 70.7 | 53.2 | 42.2 | 62.6 |
| Year Highest Occurred | 1987 | 1984 | 1981 | 1980 | 1988 | 1988 | 1985 | 1961 | 1990 | 1963 | 1962 | 1979 | 1987 |
| Lowest Mean Max. Temperature (F) | 1.0 | 18.5 | 27.5 | 45.1 | 62.8 | 73.9 | 79.9 | 77.3 | 59.3 | 48.9 | 18.9 | 5.4 | 53.3 |
| Year Lowest Occurred | 1969 | 1979 | 1965 | 1975 | 1974 | 1969 | 1972 | 1974 | 1965 | 1969 | 1985 | 1983 | 1965 |
| Mean Temperature (F) | 14.3 | 20.9 | 31.5 | 44.6 | 55.6 | 64.0 | 69.3 | 67.6 | 56.2 | 45.9 | 29.0 | 17.0 | 43.0 |
| Highest Mean Temperature (F) | 30.1 | 34.1 | 43.2 | 52.4 | 61.1 | 72.8 | 72.2 | 74.0 | 62.9 | 53.3 | 41.8 | 29.6 | 46.7 |
| Year Highest Occurred | 1986 | 1984 | 1963 | 1980 | 1988 | 1988 | 1975 | 1971 | 1967 | 1963 | 1962 | 1962 | 1987 |
| Lowest Mean Temperature (F) | -8.2 | 6.5 | 15.8 | 35.0 | 50.9 | 59.1 | 64.4 | 62.0 | 47.5 | 38.9 | 7.7 | -5.8 | 39.6 |
| Year Lowest Occurred | 1969 | 1979 | 1965 | 1975 | 1974 | 1981 | 1972 | 1980 | 1965 | 1969 | 1985 | 1983 | 1982 |
| Mean Min. Temperature (F) | 2.4 | 8.6 | 18.6 | 29.9 | 40.9 | 48.9 | 52.6 | 50.4 | 39.9 | 30.6 | 16.5 | 5.1 | 28.7 |
| Highest Mean Min. Temperature (F) | 19.5 | 21.3 | 32.1 | 35.7 | 44.7 | 53.8 | 57.2 | 58.0 | 45.8 | 39.7 | 30.4 | 18.5 | 32.1 |
| Year Highest Occurred | 1986 | 1984 | 1963 | 1980 | 1988 | 1970 | 1975 | 1971 | 1969 | 1962 | 1962 | 1962 | 1963 |
| Lowest Mean Min. Temperature (F) | -17.3 | -5.5 | 4.1 | 21.5 | 36.9 | 44.1 | 48.9 | 44.4 | 34.9 | 25.7 | -3.5 | -17.0 | 25.5 |
| Year Lowest Occurred | 1969 | 1979 | 1965 | 1967 | 1968 | 1985 | 1972 | 1988 | 1984 | 1984 | 1985 | 1983 | 1982 |
| Mean Precipitation (in.) | 0.55 | 0.26 | 0.49 | 1.12 | 2.14 | 2.01 | 1.54 | 1.34 | 1.51 | 0.55 | 0.36 | 0.53 | 12.40 |
| Highest Precipitation (in.) | 2.08 | 0.77 | 1.28 | 3.45 | 6.14 | 5.72 | 4.18 | 5.49 | 8.83 | 1.45 | 0.93 | 2.11 | 20.52 |
| Year Highest Occurred | 1969 | 1963 | 1975 | 1967 | 1974 | 1965 | 1983 | 1974 | 1986 | 1981 | 1966 | 1977 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.03 | 0.21 | 0.01 | 0.04 | 0.00 | 0.12 | 0.00 | 0.00 | 0.00 | 8.22 |
| Year Lowest Occurred | 1985 | 1981 | 1973 | 1972 | 1966 | 1985 | 1984 | 1969 | 1974 | 1978 | 1969 | 1986 | 1972 |
| Heating Degree Days (F) | 1572. | 1235. | 1039. | 612. | 297. | 109. | 16. | 73. | 295. | 592. | 1080. | 1488. | 8408. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 79. | 149. | 154. | 31. | 0. | 0. | 0. | 419. |