| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | -5.8 | -1.7 | 11.8 | 28.4 | 48.9 | 64.8 | 67.5 | 61.4 | 46.9 | 23.5 | 4.2 | -1.8 | 29.0 |
| Highest Mean Max. Temperature (F) | 23.4 | 13.3 | 22.7 | 37.4 | 57.8 | 71.5 | 72.0 | 71.0 | 53.7 | 32.6 | 20.4 | 16.1 | 33.1 |
| Year Highest Occurred | 1981 | 1980 | 1965 | 1990 | 1990 | 1969 | 1968 | 1977 | 1974 | 1969 | 1976 | 1969 | 1981 |
| Lowest Mean Max. Temperature (F) | -29.3 | -25.0 | 0.4 | 20.7 | 36.5 | 58.0 | 60.0 | 53.4 | 40.0 | 13.8 | -6.2 | -20.5 | 25.1 |
| Year Lowest Occurred | 1989 | 1974 | 1971 | 1964 | 1964 | 1963 | 1981 | 1969 | 1983 | 1982 | 1973 | 1964 | 1971 |
| Mean Temperature (F) | -16.6 | -13.6 | -3.5 | 13.5 | 36.6 | 51.5 | 54.3 | 48.2 | 35.9 | 14.6 | -5.9 | -12.6 | 16.9 |
| Highest Mean Temperature (F) | 9.0 | -0.7 | 10.0 | 21.5 | 42.6 | 56.6 | 57.4 | 54.0 | 41.2 | 25.2 | 8.1 | 5.0 | 20.5 |
| Year Highest Occurred | 1981 | 1977 | 1965 | 1969 | 1980 | 1969 | 1968 | 1977 | 1974 | 1969 | 1976 | 1963 | 1988 |
| Lowest Mean Temperature (F) | -38.4 | -35.2 | -16.5 | 3.6 | 25.3 | 46.2 | 49.4 | 42.3 | 28.5 | 3.6 | -16.6 | -29.8 | 12.8 |
| Year Lowest Occurred | 1989 | 1974 | 1964 | 1986 | 1964 | 1963 | 1981 | 1969 | 1983 | 1982 | 1990 | 1964 | 1971 |
| Mean Min. Temperature (F) | -27.4 | -25.5 | -18.7 | -1.4 | 24.2 | 38.1 | 41.0 | 35.0 | 24.8 | 5.6 | -15.9 | -23.4 | 4.7 |
| Highest Mean Min. Temperature (F) | -5.4 | -12.5 | -2.7 | 9.5 | 30.5 | 41.6 | 44.4 | 39.9 | 31.5 | 19.5 | -4.2 | -4.5 | 8.0 |
| Year Highest Occurred | 1981 | 1962 | 1965 | 1988 | 1980 | 1969 | 1982 | 1990 | 1986 | 1964 | 1976 | 1963 | 1988 |
| Lowest Mean Min. Temperature (F) | -47.5 | -46.0 | -33.5 | -14.4 | 14.1 | 33.5 | 38.5 | 30.8 | 17.0 | -6.6 | -27.7 | -39.7 | 0.2 |
| Year Lowest Occurred | 1989 | 1990 | 1964 | 1986 | 1964 | 1979 | 1985 | 1981 | 1983 | 1982 | 1990 | 1961 | 1974 |
| Mean Precipitation (in.) | 0.48 | 0.48 | 0.42 | 0.35 | 0.61 | 1.50 | 1.91 | 1.93 | 1.31 | 0.97 | 0.65 | 0.64 | 11.25 |
| Highest Precipitation (in.) | 1.51 | 1.56 | 2.11 | 1.31 | 1.45 | 2.70 | 3.87 | 4.60 | 5.78 | 2.96 | 2.30 | 1.76 | 21.85 |
| Year Highest Occurred | 1963 | 1985 | 1963 | 1967 | 1976 | 1962 | 1967 | 1967 | 1961 | 1961 | 1961 | 1961 | 1961 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 0.90 | 0.42 | 0.00 | 0.05 | 0.01 | 0.00 | 6.15 |
| Year Lowest Occurred | 1969 | 1979 | 1964 | 1986 | 1979 | 1983 | 1989 | 1978 | 1963 | 1984 | 1963 | 1983 | 1978 |
| Heating Degree Days (F) | 2530. | 2201. | 2124. | 1545. | 880. | 405. | 332. | 521. | 873. | 1562. | 2127. | 2406. | 17506. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. |