| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.5 | 35.9 | 43.0 | 54.4 | 64.3 | 74.2 | 84.0 | 83.2 | 73.2 | 61.1 | 42.9 | 31.6 | 56.5 |
| Highest Mean Max. Temperature (F) | 38.1 | 45.9 | 50.7 | 65.9 | 72.6 | 83.8 | 89.2 | 88.6 | 81.3 | 70.5 | 51.0 | 39.7 | 58.7 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1987 | 1966 | 1977 | 1989 | 1971 | 1990 | 1988 | 1965 | 1975 | 1988 |
| Lowest Mean Max. Temperature (F) | 21.7 | 28.1 | 35.9 | 43.9 | 57.1 | 68.1 | 78.5 | 75.1 | 63.4 | 53.1 | 32.5 | 23.1 | 53.1 |
| Year Lowest Occurred | 1979 | 1985 | 1985 | 1975 | 1977 | 1963 | 1987 | 1968 | 1986 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 19.6 | 24.5 | 31.7 | 41.8 | 50.4 | 58.9 | 66.5 | 65.4 | 56.2 | 46.2 | 32.5 | 21.1 | 42.9 |
| Highest Mean Temperature (F) | 28.9 | 34.7 | 38.9 | 48.7 | 55.4 | 65.1 | 70.4 | 70.7 | 63.5 | 52.1 | 39.3 | 28.1 | 44.8 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1987 | 1966 | 1988 | 1985 | 1971 | 1990 | 1988 | 1965 | 1975 | 1981 |
| Lowest Mean Temperature (F) | 12.2 | 14.4 | 23.0 | 34.4 | 45.2 | 54.7 | 61.9 | 60.2 | 49.7 | 40.8 | 23.0 | 11.9 | 39.1 |
| Year Lowest Occurred | 1979 | 1985 | 1985 | 1975 | 1977 | 1963 | 1987 | 1976 | 1986 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 8.7 | 13.0 | 20.4 | 29.1 | 36.4 | 43.5 | 48.9 | 47.4 | 39.3 | 31.2 | 22.0 | 10.5 | 29.2 |
| Highest Mean Min. Temperature (F) | 19.6 | 23.5 | 27.1 | 34.4 | 39.7 | 47.5 | 53.2 | 52.8 | 45.7 | 36.8 | 27.6 | 18.2 | 32.6 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1990 | 1979 | 1988 | 1985 | 1971 | 1990 | 1979 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 0.2 | 0.6 | 10.1 | 24.6 | 33.3 | 40.8 | 45.3 | 42.8 | 33.3 | 25.9 | 13.4 | 0.3 | 25.0 |
| Year Lowest Occurred | 1962 | 1985 | 1985 | 1982 | 1977 | 1984 | 1987 | 1962 | 1965 | 1970 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 2.31 | 1.76 | 1.27 | 1.03 | 1.41 | 1.40 | 0.67 | 0.74 | 0.81 | 0.78 | 1.76 | 2.22 | 16.16 |
| Highest Precipitation (in.) | 8.16 | 4.81 | 3.01 | 3.72 | 5.29 | 5.59 | 1.91 | 4.20 | 2.68 | 2.00 | 5.26 | 11.30 | 25.40 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1978 | 1987 | 1967 | 1982 | 1965 | 1978 | 1961 | 1988 | 1964 | 1964 |
| Lowest Precipitation (in.) | 0.22 | 0.06 | 0.18 | 0.00 | 0.03 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 9.11 |
| Year Lowest Occurred | 1984 | 1964 | 1969 | 1987 | 1969 | 1974 | 1990 | 1988 | 1987 | 1988 | 1976 | 1976 | 1989 |
| Heating Degree Days (F) | 1407. | 1134. | 1032. | 696. | 453. | 209. | 52. | 91. | 287. | 583. | 975. | 1361. | 8280. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 26. | 98. | 104. | 23. | 0. | 0. | 0. | 251. |