| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.2 | 45.3 | 49.2 | 57.8 | 67.4 | 78.2 | 81.9 | 79.3 | 73.2 | 63.4 | 51.1 | 43.3 | 61.0 |
| Highest Mean Max. Temperature (F) | 52.0 | 51.9 | 59.2 | 68.8 | 75.8 | 87.0 | 85.0 | 82.7 | 77.2 | 70.6 | 57.9 | 52.8 | 64.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1980 | 1975 | 1973 | 1964 | 1976 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 34.1 | 35.4 | 38.6 | 49.6 | 60.3 | 70.1 | 78.5 | 74.0 | 66.9 | 52.5 | 42.8 | 33.5 | 58.5 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1975 | 1980 | 1965 | 1986 | 1968 | 1986 | 1971 | 1972 | 1971 | 1969 |
| Mean Temperature (F) | 28.7 | 31.5 | 35.3 | 42.3 | 50.4 | 59.8 | 66.3 | 64.1 | 57.3 | 47.2 | 36.8 | 29.6 | 45.8 |
| Highest Mean Temperature (F) | 37.0 | 37.1 | 41.8 | 50.4 | 56.8 | 66.5 | 69.0 | 66.3 | 60.7 | 52.5 | 41.8 | 39.9 | 49.4 |
| Year Highest Occurred | 1986 | 1970 | 1989 | 1989 | 1984 | 1974 | 1980 | 1980 | 1983 | 1988 | 1981 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 22.6 | 25.1 | 26.8 | 36.2 | 45.6 | 53.0 | 62.8 | 59.5 | 53.0 | 38.6 | 29.6 | 21.9 | 43.4 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1980 | 1965 | 1987 | 1968 | 1986 | 1971 | 1972 | 1972 | 1979 |
| Mean Min. Temperature (F) | 15.2 | 17.7 | 21.3 | 26.7 | 33.3 | 41.4 | 50.5 | 48.9 | 41.2 | 31.0 | 22.4 | 15.8 | 30.5 |
| Highest Mean Min. Temperature (F) | 23.7 | 23.3 | 26.7 | 34.4 | 37.7 | 49.8 | 54.5 | 53.0 | 45.5 | 34.9 | 27.3 | 26.9 | 35.6 |
| Year Highest Occurred | 1981 | 1970 | 1978 | 1981 | 1984 | 1981 | 1981 | 1970 | 1983 | 1988 | 1981 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 7.6 | 10.9 | 12.6 | 21.5 | 27.5 | 35.8 | 45.3 | 44.2 | 36.6 | 24.7 | 15.7 | 9.6 | 27.9 |
| Year Lowest Occurred | 1966 | 1966 | 1962 | 1972 | 1972 | 1965 | 1987 | 1979 | 1971 | 1971 | 1964 | 1972 | 1972 |
| Mean Precipitation (in.) | 2.04 | 2.09 | 2.55 | 1.48 | 0.72 | 0.40 | 2.78 | 2.75 | 2.03 | 1.61 | 1.95 | 2.40 | 22.80 |
| Highest Precipitation (in.) | 6.52 | 7.81 | 6.75 | 5.62 | 2.16 | 1.93 | 6.62 | 8.06 | 6.75 | 9.86 | 6.64 | 7.30 | 36.59 |
| Year Highest Occurred | 1980 | 1980 | 1970 | 1965 | 1979 | 1972 | 1986 | 1986 | 1983 | 1972 | 1985 | 1967 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.32 | 0.26 | 0.00 | 0.02 | 0.00 | 0.12 | 14.44 |
| Year Lowest Occurred | 1972 | 1967 | 1972 | 1989 | 1974 | 1982 | 1963 | 1962 | 1973 | 1964 | 1989 | 1973 | 1989 |
| Heating Degree Days (F) | 1125. | 938. | 921. | 681. | 453. | 187. | 29. | 65. | 237. | 552. | 846. | 1097. | 7131. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 31. | 70. | 38. | 6. | 0. | 0. | 0. | 145. |