| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 36.3 | 43.7 | 52.8 | 61.3 | 69.9 | 78.9 | 88.4 | 88.0 | 79.2 | 67.5 | 49.1 | 38.1 | 62.8 |
| Highest Mean Max. Temperature (F) | 43.1 | 53.9 | 61.1 | 70.6 | 79.5 | 86.9 | 94.9 | 93.8 | 87.6 | 77.5 | 57.4 | 44.7 | 94.9 |
| Year Highest Occurred | 1999 | 1995 | 1994 | 1987 | 1992 | 1986 | 1985 | 1981 | 1990 | 1988 | 1999 | 1976 | 1985 |
| Lowest Mean Max. Temperature (F) | 24.2 | 33.8 | 46.4 | 51.8 | 61.8 | 72.8 | 77.2 | 79.9 | 67.8 | 59.9 | 38.3 | 25.6 | 24.2 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1975 | 1977 | 1993 | 1993 | 1976 | 1985 | 1984 | 1985 | 1985 | 1979 |
| Mean Temperature (F) | 25.8 | 32.2 | 39.7 | 46.6 | 54.7 | 62.5 | 70.2 | 69.3 | 59.9 | 49.1 | 36.2 | 26.9 | 47.8 |
| Highest Mean Temperature (F) | 33.4 | 40.9 | 45.4 | 53.7 | 61.3 | 68.0 | 76.5 | 73.8 | 65.7 | 56.4 | 42.9 | 32.6 | 76.5 |
| Year Highest Occurred | 1998 | 1995 | 1986 | 1990 | 1992 | 1986 | 1985 | 1986 | 1990 | 1988 | 1999 | 1977 | 1985 |
| Lowest Mean Temperature (F) | 10.2 | 21.3 | 34.1 | 39.1 | 49.6 | 57.8 | 61.0 | 64.1 | 51.3 | 45.4 | 25.8 | 12.3 | 10.2 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1975 | 1977 | 1991 | 1993 | 1976 | 1985 | 1985 | 1985 | 1985 | 1979 |
| Mean Min. Temperature (F) | 15.3 | 20.6 | 26.5 | 31.8 | 39.4 | 46.0 | 51.9 | 50.5 | 40.5 | 30.7 | 23.3 | 15.6 | 32.7 |
| Highest Mean Min. Temperature (F) | 25.5 | 27.9 | 32.6 | 37.3 | 44.5 | 50.8 | 58.0 | 55.0 | 47.6 | 36.6 | 30.0 | 23.5 | 58.0 |
| Year Highest Occurred | 1998 | 1995 | 1983 | 1990 | 1993 | 1992 | 1985 | 1986 | 1998 | 1979 | 1981 | 1973 | 1985 |
| Lowest Mean Min. Temperature (F) | -3.8 | 8.8 | 19.9 | 26.4 | 33.9 | 42.1 | 44.8 | 45.9 | 34.7 | 26.3 | 13.3 | -1.1 | -3.8 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1999 | 1999 | 1998 | 1993 | 1985 | 1985 | 1998 | 1985 | 1985 | 1979 |
| Mean Precipitation (in.) | 1.37 | 1.11 | 1.25 | 0.91 | 1.19 | 0.84 | 0.42 | 0.54 | 0.49 | 0.67 | 1.40 | 1.61 | 11.80 |
| Highest Precipitation (in.) | 2.92 | 3.52 | 3.40 | 3.05 | 3.27 | 2.05 | 1.21 | 1.96 | 1.94 | 2.23 | 3.71 | 4.97 | 4.97 |
| Year Highest Occurred | 1998 | 1986 | 1983 | 1978 | 1998 | 1992 | 1976 | 1979 | 1986 | 1982 | 1988 | 1996 | 1996 |
| Lowest Precipitation (in.) | 0.01 | 0.19 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 0.09 | 0.00 |
| Year Lowest Occurred | 1985 | 1971 | 1994 | 1977 | 1974 | 1985 | 2000 | 1998 | 2000 | 1998 | 1974 | 1976 | 1994 |
| Heating Degree Days (F) | 1216. | 920. | 785. | 555. | 329. | 139. | 38. | 36. | 203. | 494. | 865. | 1183. | 6763. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 61. | 197. | 167. | 49. | 1. | 0. | 0. | 484. |