| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 32.4 | 39.0 | 50.1 | 60.2 | 70.0 | 81.5 | 90.8 | 89.4 | 78.2 | 63.7 | 45.6 | 33.8 | 61.2 |
| Highest Mean Max. Temperature (F) | 40.3 | 48.3 | 58.6 | 69.9 | 76.8 | 89.2 | 96.1 | 93.8 | 85.9 | 74.2 | 56.9 | 41.4 | 96.1 |
| Year Highest Occurred | 1994 | 1995 | 1992 | 1987 | 1992 | 1988 | 2000 | 1994 | 1979 | 1988 | 1999 | 1995 | 2000 |
| Lowest Mean Max. Temperature (F) | 23.1 | 28.6 | 38.7 | 51.7 | 63.7 | 71.9 | 81.3 | 84.8 | 70.0 | 54.6 | 37.6 | 23.6 | 23.1 |
| Year Lowest Occurred | 1979 | 1985 | 1976 | 1975 | 1995 | 1998 | 1993 | 1993 | 1986 | 1984 | 1985 | 1985 | 1979 |
| Mean Temperature (F) | 23.6 | 28.7 | 38.4 | 46.6 | 54.8 | 64.2 | 71.9 | 71.0 | 61.1 | 49.1 | 35.3 | 24.9 | 47.5 |
| Highest Mean Temperature (F) | 32.0 | 37.6 | 45.2 | 52.9 | 59.8 | 70.3 | 76.1 | 75.1 | 68.3 | 57.4 | 43.0 | 33.2 | 76.1 |
| Year Highest Occurred | 1994 | 1995 | 1992 | 1987 | 1994 | 1988 | 1988 | 2000 | 1990 | 1988 | 1999 | 1977 | 1988 |
| Lowest Mean Temperature (F) | 13.3 | 16.5 | 26.6 | 40.6 | 49.4 | 58.3 | 63.3 | 66.6 | 54.8 | 42.9 | 29.0 | 14.7 | 13.3 |
| Year Lowest Occurred | 1979 | 1985 | 1976 | 1975 | 1975 | 1998 | 1993 | 1975 | 1971 | 1971 | 2000 | 1990 | 1979 |
| Mean Min. Temperature (F) | 14.7 | 18.3 | 26.7 | 32.9 | 39.6 | 46.8 | 52.9 | 52.6 | 44.0 | 34.5 | 25.0 | 15.9 | 33.7 |
| Highest Mean Min. Temperature (F) | 23.7 | 27.3 | 33.0 | 37.1 | 43.7 | 51.4 | 56.4 | 57.3 | 51.0 | 40.5 | 31.1 | 25.6 | 57.3 |
| Year Highest Occurred | 1994 | 1986 | 1986 | 1992 | 1987 | 1988 | 1998 | 2000 | 1990 | 1988 | 1995 | 1977 | 2000 |
| Lowest Mean Min. Temperature (F) | 3.3 | 4.4 | 14.5 | 28.0 | 34.9 | 43.5 | 45.3 | 46.7 | 37.4 | 30.1 | 17.7 | 4.0 | 3.3 |
| Year Lowest Occurred | 1985 | 1985 | 1976 | 1982 | 1975 | 1975 | 1993 | 1975 | 1971 | 1971 | 1993 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.69 | 1.67 | 2.19 | 2.22 | 2.61 | 1.29 | 0.96 | 1.06 | 1.47 | 2.04 | 1.61 | 1.58 | 20.39 |
| Highest Precipitation (in.) | 4.18 | 3.88 | 5.00 | 5.81 | 5.69 | 3.50 | 2.94 | 4.62 | 5.41 | 5.03 | 3.89 | 5.87 | 5.87 |
| Year Highest Occurred | 1980 | 1986 | 1982 | 1986 | 1980 | 1980 | 1983 | 1977 | 1982 | 1981 | 1983 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.55 | 0.15 | 0.77 | 0.48 | 0.12 | 0.11 | 0.00 | 0.01 | 0.02 | 0.00 | 0.01 | 0.05 | 0.00 |
| Year Lowest Occurred | 1985 | 1988 | 1997 | 1992 | 1972 | 1977 | 1988 | 1985 | 1974 | 1988 | 1976 | 1976 | 1988 |
| Heating Degree Days (F) | 1284. | 1018. | 825. | 554. | 324. | 112. | 17. | 16. | 172. | 493. | 891. | 1245. | 6951. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 85. | 228. | 201. | 56. | 1. | 0. | 0. | 578. |