| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 41.1 | 46.9 | 54.1 | 61.8 | 70.8 | 81.2 | 91.2 | 89.7 | 79.9 | 67.2 | 50.2 | 41.4 | 64.6 |
| Highest Mean Max. Temperature (F) | 48.8 | 57.1 | 60.9 | 72.2 | 82.3 | 90.4 | 94.9 | 95.6 | 85.8 | 77.9 | 61.0 | 49.4 | 95.6 |
| Year Highest Occurred | 1994 | 1995 | 1992 | 1987 | 1992 | 1986 | 1989 | 1986 | 1990 | 1988 | 1976 | 1976 | 1986 |
| Lowest Mean Max. Temperature (F) | 31.3 | 36.1 | 48.2 | 50.5 | 63.3 | 74.3 | 81.9 | 80.9 | 70.4 | 58.8 | 42.0 | 34.7 | 31.3 |
| Year Lowest Occurred | 1979 | 1993 | 1975 | 1975 | 1977 | 1984 | 1993 | 1976 | 1986 | 1984 | 1994 | 1983 | 1979 |
| Mean Temperature (F) | 30.0 | 34.6 | 40.1 | 45.8 | 53.7 | 62.2 | 70.1 | 68.6 | 59.6 | 49.5 | 37.4 | 29.8 | 48.5 |
| Highest Mean Temperature (F) | 36.6 | 41.8 | 45.3 | 52.6 | 60.0 | 68.8 | 74.4 | 73.4 | 64.5 | 57.8 | 45.9 | 36.6 | 74.4 |
| Year Highest Occurred | 1994 | 1995 | 1986 | 1987 | 1992 | 1986 | 1985 | 1986 | 1990 | 1988 | 1995 | 1981 | 1985 |
| Lowest Mean Temperature (F) | 20.4 | 23.8 | 34.8 | 36.7 | 48.4 | 57.1 | 60.1 | 63.5 | 52.1 | 45.8 | 30.2 | 22.0 | 20.4 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1984 | 1993 | 1993 | 1985 | 1984 | 1985 | 1990 | 1979 |
| Mean Min. Temperature (F) | 18.8 | 22.3 | 26.0 | 29.8 | 36.5 | 43.2 | 49.0 | 47.4 | 39.2 | 31.7 | 24.6 | 18.1 | 32.2 |
| Highest Mean Min. Temperature (F) | 26.5 | 29.4 | 31.1 | 33.4 | 42.5 | 48.0 | 54.0 | 52.5 | 45.1 | 37.7 | 32.3 | 27.2 | 54.0 |
| Year Highest Occurred | 1978 | 1986 | 1986 | 1994 | 1993 | 1977 | 1985 | 1984 | 1998 | 1988 | 1995 | 1975 | 1985 |
| Lowest Mean Min. Temperature (F) | 5.9 | 10.3 | 18.8 | 22.8 | 31.7 | 38.7 | 38.2 | 41.4 | 33.2 | 28.0 | 17.2 | 8.9 | 5.9 |
| Year Lowest Occurred | 1977 | 1989 | 1990 | 1975 | 1999 | 1999 | 1993 | 1993 | 1985 | 2000 | 1993 | 1990 | 1977 |
| Mean Precipitation (in.) | 0.77 | 0.63 | 1.02 | 1.07 | 1.39 | 0.96 | 0.42 | 0.47 | 0.50 | 0.72 | 0.80 | 0.73 | 9.48 |
| Highest Precipitation (in.) | 3.53 | 2.09 | 2.16 | 2.98 | 3.28 | 2.54 | 1.90 | 2.68 | 1.60 | 3.08 | 2.02 | 3.26 | 3.53 |
| Year Highest Occurred | 1972 | 1986 | 1983 | 1994 | 1980 | 1997 | 1976 | 1976 | 1980 | 2000 | 1983 | 1983 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.11 | 0.00 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 |
| Year Lowest Occurred | 1991 | 1977 | 1972 | 1977 | 1992 | 1979 | 1989 | 1998 | 1999 | 1988 | 1976 | 1976 | 1991 |
| Heating Degree Days (F) | 1087. | 851. | 775. | 577. | 356. | 150. | 30. | 45. | 201. | 482. | 828. | 1093. | 6475. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 66. | 187. | 154. | 37. | 0. | 0. | 0. | 449. |