| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 50.0 | 56.9 | 63.2 | 71.1 | 79.8 | 88.5 | 96.8 | 96.7 | 90.0 | 76.4 | 56.2 | 48.5 | 72.8 |
| Highest Mean Max. Temperature (F) | 53.6 | 65.0 | 69.6 | 80.7 | 90.0 | 94.9 | 101.8 | 102.3 | 100.4 | 84.4 | 66.5 | 53.9 | 102.3 |
| Year Highest Occurred | 1981 | 1988 | 1978 | 1987 | 1992 | 1977 | 1996 | 1986 | 1974 | 1988 | 1995 | 1989 | 1986 |
| Lowest Mean Max. Temperature (F) | 46.1 | 48.4 | 56.9 | 64.3 | 67.4 | 82.0 | 88.5 | 87.5 | 79.8 | 69.3 | 47.9 | 41.7 | 41.7 |
| Year Lowest Occurred | 1982 | 1999 | 1975 | 1983 | 1998 | 1980 | 1983 | 1976 | 1986 | 1984 | 1994 | 1971 | 1971 |
| Mean Temperature (F) | 41.7 | 45.6 | 49.7 | 54.5 | 61.3 | 68.3 | 74.3 | 74.1 | 68.7 | 58.5 | 46.7 | 41.1 | 57.0 |
| Highest Mean Temperature (F) | 46.0 | 50.1 | 54.8 | 60.2 | 68.7 | 73.4 | 78.4 | 78.4 | 74.2 | 64.3 | 53.1 | 46.1 | 78.4 |
| Year Highest Occurred | 1978 | 1995 | 1978 | 1990 | 1992 | 1977 | 1996 | 1986 | 1974 | 1988 | 1995 | 1981 | 1986 |
| Lowest Mean Temperature (F) | 37.7 | 41.3 | 45.4 | 49.8 | 55.1 | 63.4 | 68.2 | 70.1 | 63.5 | 54.0 | 39.9 | 34.9 | 34.9 |
| Year Lowest Occurred | 1982 | 1999 | 1975 | 1975 | 1977 | 1980 | 1983 | 1976 | 1986 | 1989 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 33.4 | 34.2 | 36.2 | 37.8 | 42.8 | 48.1 | 51.8 | 51.4 | 47.3 | 40.6 | 37.1 | 33.7 | 41.2 |
| Highest Mean Min. Temperature (F) | 39.0 | 38.9 | 40.2 | 42.3 | 47.4 | 53.6 | 55.2 | 55.0 | 51.1 | 45.8 | 42.3 | 39.4 | 55.2 |
| Year Highest Occurred | 1995 | 2000 | 1993 | 1992 | 1992 | 1992 | 1985 | 1977 | 1998 | 1979 | 1997 | 1981 | 1985 |
| Lowest Mean Min. Temperature (F) | 28.5 | 30.0 | 32.2 | 32.8 | 39.8 | 44.9 | 48.0 | 48.2 | 43.2 | 33.9 | 31.9 | 26.1 | 26.1 |
| Year Lowest Occurred | 1991 | 1993 | 1985 | 1991 | 1974 | 1980 | 1983 | 1991 | 1989 | 1995 | 1978 | 1990 | 1990 |
| Mean Precipitation (in.) | 6.82 | 6.06 | 5.45 | 2.20 | 1.36 | 0.52 | 0.21 | 0.38 | 0.95 | 2.25 | 5.39 | 6.33 | 37.92 |
| Highest Precipitation (in.) | 17.97 | 16.05 | 13.90 | 6.00 | 6.25 | 1.91 | 1.24 | 3.91 | 4.38 | 6.58 | 15.50 | 17.14 | 17.97 |
| Year Highest Occurred | 1995 | 1986 | 1995 | 1995 | 1990 | 1988 | 1987 | 1983 | 1989 | 1975 | 1984 | 1996 | 1995 |
| Lowest Precipitation (in.) | 0.53 | 0.22 | 0.41 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.60 | 0.17 | 0.00 |
| Year Lowest Occurred | 1985 | 1988 | 1988 | 1985 | 1992 | 1994 | 2000 | 2000 | 1994 | 1978 | 1995 | 1989 | 1992 |
| Heating Degree Days (F) | 723. | 544. | 474. | 327. | 163. | 42. | 6. | 1. | 38. | 221. | 550. | 742. | 3831. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 9. | 47. | 142. | 293. | 281. | 147. | 20. | 0. | 0. | 939. |