| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.9 | 45.7 | 51.8 | 59.3 | 68.2 | 77.1 | 85.7 | 85.2 | 77.0 | 64.6 | 47.4 | 39.5 | 61.8 |
| Highest Mean Max. Temperature (F) | 46.8 | 55.9 | 60.1 | 68.9 | 81.0 | 83.1 | 91.5 | 90.9 | 83.5 | 73.9 | 56.5 | 44.9 | 91.5 |
| Year Highest Occurred | 1986 | 1995 | 1994 | 1987 | 1992 | 1987 | 1994 | 1992 | 1974 | 1988 | 1995 | 1976 | 1994 |
| Lowest Mean Max. Temperature (F) | 32.2 | 36.6 | 45.1 | 49.8 | 58.0 | 70.1 | 79.2 | 76.6 | 66.4 | 54.7 | 39.2 | 33.2 | 32.2 |
| Year Lowest Occurred | 1977 | 1989 | 1971 | 1975 | 1977 | 1980 | 1993 | 1976 | 1986 | 1984 | 1994 | 1984 | 1977 |
| Mean Temperature (F) | 30.9 | 35.7 | 40.3 | 45.8 | 53.7 | 61.5 | 68.8 | 67.8 | 60.3 | 49.8 | 37.6 | 30.8 | 48.6 |
| Highest Mean Temperature (F) | 38.6 | 42.7 | 46.1 | 51.9 | 64.1 | 66.3 | 74.4 | 72.7 | 66.2 | 55.8 | 45.4 | 36.2 | 74.4 |
| Year Highest Occurred | 1986 | 1995 | 1992 | 1987 | 1992 | 1987 | 1994 | 1986 | 1991 | 1988 | 1995 | 1981 | 1994 |
| Lowest Mean Temperature (F) | 21.9 | 25.9 | 34.8 | 39.0 | 46.2 | 55.9 | 61.3 | 62.2 | 53.3 | 44.0 | 29.8 | 23.7 | 21.9 |
| Year Lowest Occurred | 1977 | 1989 | 1971 | 1975 | 1977 | 1980 | 1993 | 1976 | 1986 | 1984 | 1985 | 1990 | 1977 |
| Mean Min. Temperature (F) | 21.9 | 25.6 | 28.8 | 32.3 | 39.1 | 45.8 | 51.9 | 50.4 | 43.6 | 34.9 | 27.7 | 22.1 | 35.3 |
| Highest Mean Min. Temperature (F) | 30.6 | 31.5 | 33.3 | 37.5 | 47.2 | 51.4 | 57.2 | 55.9 | 49.2 | 40.9 | 34.2 | 29.8 | 57.2 |
| Year Highest Occurred | 1995 | 1986 | 1993 | 1990 | 1992 | 1986 | 1994 | 1986 | 1991 | 1979 | 1995 | 1981 | 1994 |
| Lowest Mean Min. Temperature (F) | 11.6 | 15.2 | 23.5 | 28.2 | 34.4 | 41.7 | 43.3 | 46.4 | 37.0 | 31.0 | 19.9 | 12.9 | 11.6 |
| Year Lowest Occurred | 1977 | 1989 | 1976 | 1975 | 1977 | 1980 | 1993 | 1973 | 1971 | 1971 | 1985 | 1990 | 1977 |
| Mean Precipitation (in.) | 2.03 | 1.42 | 1.53 | 0.93 | 1.10 | 0.69 | 0.36 | 0.50 | 0.58 | 0.85 | 1.95 | 2.01 | 13.95 |
| Highest Precipitation (in.) | 4.91 | 4.66 | 3.05 | 2.62 | 4.83 | 1.86 | 2.41 | 2.73 | 2.45 | 2.94 | 5.79 | 5.87 | 5.87 |
| Year Highest Occurred | 1996 | 1986 | 1995 | 1995 | 1998 | 1995 | 1987 | 1976 | 1986 | 1979 | 1998 | 1981 | 1981 |
| Lowest Precipitation (in.) | 0.14 | 0.13 | 0.26 | 0.09 | 0.13 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.22 | 0.00 |
| Year Lowest Occurred | 1985 | 1988 | 1994 | 1977 | 1992 | 1973 | 1999 | 2000 | 1999 | 1998 | 1976 | 1976 | 1999 |
| Heating Degree Days (F) | 1057. | 823. | 766. | 576. | 366. | 158. | 49. | 46. | 190. | 474. | 824. | 1059. | 6388. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 13. | 51. | 167. | 131. | 49. | 2. | 0. | 0. | 413. |