| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.4 | 40.4 | 44.4 | 51.9 | 61.5 | 73.2 | 77.0 | 74.4 | 68.0 | 57.0 | 45.2 | 39.7 | 55.9 |
| Highest Mean Max. Temperature (F) | 46.1 | 45.8 | 54.3 | 61.4 | 70.5 | 79.5 | 81.2 | 79.5 | 75.1 | 62.7 | 54.5 | 45.9 | 81.2 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 2000 | 1974 | 2000 | 1996 | 1979 | 1999 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 29.4 | 31.0 | 34.7 | 43.5 | 54.7 | 69.0 | 72.9 | 70.9 | 61.5 | 47.4 | 38.4 | 33.2 | 29.4 |
| Year Lowest Occurred | 1979 | 1993 | 1973 | 1975 | 1980 | 1995 | 1977 | 1983 | 1986 | 1984 | 1972 | 1971 | 1979 |
| Mean Temperature (F) | 27.2 | 28.8 | 32.6 | 39.1 | 47.3 | 56.9 | 61.8 | 60.2 | 54.0 | 43.8 | 33.8 | 28.2 | 42.8 |
| Highest Mean Temperature (F) | 34.2 | 34.5 | 39.8 | 47.4 | 54.2 | 61.4 | 66.8 | 63.8 | 57.4 | 48.4 | 40.8 | 33.5 | 66.8 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1974 | 1972 | 1996 | 2000 | 1988 | 1995 | 1980 | 1972 |
| Lowest Mean Temperature (F) | 19.3 | 24.2 | 26.1 | 31.9 | 41.9 | 53.5 | 59.2 | 57.9 | 48.2 | 37.4 | 27.1 | 23.0 | 19.3 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1980 | 1995 | 1986 | 1979 | 1986 | 1984 | 2000 | 1974 | 1979 |
| Mean Min. Temperature (F) | 16.0 | 17.2 | 20.8 | 26.3 | 33.1 | 40.5 | 46.6 | 45.9 | 39.9 | 30.5 | 22.3 | 16.6 | 29.6 |
| Highest Mean Min. Temperature (F) | 22.3 | 23.4 | 26.4 | 33.3 | 39.7 | 44.6 | 53.1 | 49.4 | 43.6 | 34.1 | 27.9 | 23.8 | 53.1 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1989 | 1996 | 1994 | 1972 | 1972 | 1997 | 1988 | 1995 | 1977 | 1972 |
| Lowest Mean Min. Temperature (F) | 9.2 | 10.2 | 15.7 | 20.2 | 28.8 | 36.5 | 42.4 | 41.4 | 34.8 | 26.8 | 14.3 | 7.8 | 7.8 |
| Year Lowest Occurred | 1979 | 1979 | 1977 | 1975 | 1975 | 1973 | 1971 | 1975 | 1986 | 1982 | 2000 | 1974 | 1974 |
| Mean Precipitation (in.) | 3.73 | 3.42 | 3.64 | 1.47 | 0.87 | 0.46 | 1.83 | 2.17 | 1.76 | 2.04 | 1.84 | 2.47 | 25.70 |
| Highest Precipitation (in.) | 12.49 | 10.01 | 9.55 | 5.37 | 2.39 | 2.41 | 4.49 | 5.89 | 9.55 | 8.06 | 6.84 | 8.52 | 12.49 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1995 | 1992 | 1988 | 1983 | 1988 | 1997 | 1972 | 1985 | 1978 | 1993 |
| Lowest Precipitation (in.) | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.01 | 0.00 | 0.42 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1997 | 1989 | 1974 | 1996 | 1993 | 1974 | 1971 | 1999 | 1999 | 1999 | 1972 |
| Heating Degree Days (F) | 1172. | 1014. | 1004. | 776. | 549. | 253. | 121. | 160. | 333. | 660. | 939. | 1143. | 8124. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 9. | 23. | 9. | 0. | 0. | 0. | 0. | 41. |