| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | -1.6 | 7.2 | 23.8 | 41.0 | 59.3 | 70.1 | 72.3 | 66.3 | 54.8 | 32.0 | 10.9 | 1.8 | 36.5 |
| Highest Mean Max. Temperature (F) | 28.7 | 27.5 | 38.7 | 48.3 | 66.9 | 78.6 | 77.9 | 73.2 | 63.1 | 44.5 | 27.7 | 17.2 | 41.3 |
| Year Highest Occurred | 1981 | 1980 | 1981 | 1990 | 1990 | 1969 | 1968 | 1977 | 1969 | 1969 | 1979 | 1985 | 1981 |
| Lowest Mean Max. Temperature (F) | -22.7 | -12.9 | 10.5 | 31.7 | 47.4 | 63.6 | 64.1 | 60.8 | 47.5 | 22.1 | -2.7 | -18.2 | 32.4 |
| Year Lowest Occurred | 1971 | 1979 | 1971 | 1972 | 1964 | 1978 | 1981 | 1969 | 1970 | 1965 | 1963 | 1964 | 1966 |
| Mean Temperature (F) | -10.1 | -3.6 | 11.0 | 30.7 | 48.6 | 59.8 | 62.5 | 56.8 | 45.5 | 25.1 | 2.7 | -6.5 | 26.9 |
| Highest Mean Temperature (F) | 18.1 | 16.0 | 27.1 | 38.1 | 55.1 | 64.9 | 68.4 | 62.6 | 51.4 | 34.0 | 20.2 | 7.7 | 32.0 |
| Year Highest Occurred | 1981 | 1980 | 1981 | 1990 | 1990 | 1969 | 1975 | 1977 | 1974 | 1969 | 1979 | 1985 | 1981 |
| Lowest Mean Temperature (F) | -31.7 | -25.3 | -2.8 | 20.8 | 38.6 | 53.4 | 56.5 | 49.8 | 40.1 | 13.9 | -10.5 | -26.5 | 22.7 |
| Year Lowest Occurred | 1971 | 1979 | 1972 | 1985 | 1964 | 1963 | 1981 | 1969 | 1972 | 1965 | 1963 | 1964 | 1966 |
| Mean Min. Temperature (F) | -18.5 | -14.4 | -1.7 | 20.4 | 38.0 | 49.5 | 52.6 | 47.2 | 36.2 | 18.1 | -5.6 | -14.8 | 17.3 |
| Highest Mean Min. Temperature (F) | 7.5 | 4.4 | 15.4 | 27.9 | 43.4 | 54.1 | 59.0 | 52.0 | 41.7 | 25.9 | 12.6 | -1.0 | 22.6 |
| Year Highest Occurred | 1981 | 1980 | 1981 | 1990 | 1988 | 1975 | 1975 | 1977 | 1974 | 1980 | 1979 | 1986 | 1981 |
| Lowest Mean Min. Temperature (F) | -40.7 | -37.7 | -17.9 | 9.4 | 29.8 | 43.2 | 48.9 | 38.8 | 32.3 | 5.7 | -18.3 | -34.7 | 12.9 |
| Year Lowest Occurred | 1971 | 1979 | 1964 | 1985 | 1964 | 1963 | 1981 | 1969 | 1972 | 1965 | 1963 | 1964 | 1964 |
| Mean Precipitation (in.) | 0.47 | 0.40 | 0.37 | 0.32 | 0.61 | 1.37 | 1.87 | 1.96 | 0.95 | 0.90 | 0.80 | 0.85 | 10.87 |
| Highest Precipitation (in.) | 1.78 | 1.75 | 2.10 | 0.93 | 1.63 | 3.01 | 4.87 | 6.20 | 2.59 | 2.19 | 3.32 | 3.23 | 18.52 |
| Year Highest Occurred | 1963 | 1966 | 1963 | 1982 | 1977 | 1977 | 1990 | 1967 | 1985 | 1983 | 1970 | 1984 | 1990 |
| Lowest Precipitation (in.) | 0.01 | 0.01 | 0.00 | 0.00 | 0.11 | 0.19 | 0.63 | 0.41 | 0.15 | 0.10 | 0.08 | 0.00 | 6.43 |
| Year Lowest Occurred | 1966 | 1976 | 1987 | 1969 | 1974 | 1966 | 1972 | 1977 | 1968 | 1969 | 1983 | 1969 | 1987 |
| Heating Degree Days (F) | 2328. | 1921. | 1674. | 1029. | 508. | 182. | 123. | 267. | 585. | 1237. | 1869. | 2217. | 13940. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 26. | 45. | 13. | 0. | 0. | 0. | 0. | 84. |