| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 48.5 | 52.4 | 57.8 | 64.6 | 73.4 | 84.3 | 89.6 | 87.1 | 79.1 | 68.7 | 55.6 | 49.0 | 67.5 |
| Highest Mean Max. Temperature (F) | 57.9 | 60.0 | 65.1 | 71.4 | 80.5 | 89.9 | 94.3 | 91.2 | 86.5 | 74.4 | 67.8 | 60.2 | 94.3 |
| Year Highest Occurred | 1981 | 1999 | 1972 | 1981 | 1974 | 1994 | 1980 | 1980 | 1998 | 1977 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 38.9 | 39.5 | 52.6 | 57.7 | 65.1 | 78.1 | 85.6 | 83.7 | 74.6 | 60.7 | 46.3 | 35.1 | 35.1 |
| Year Lowest Occurred | 1979 | 1989 | 1973 | 1997 | 1995 | 1982 | 1990 | 1993 | 1974 | 1984 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 34.1 | 37.7 | 42.7 | 49.7 | 58.8 | 68.7 | 74.3 | 72.6 | 63.8 | 53.4 | 41.7 | 35.1 | 52.7 |
| Highest Mean Temperature (F) | 42.7 | 44.3 | 49.9 | 57.3 | 63.9 | 74.1 | 80.4 | 76.1 | 69.4 | 57.8 | 50.3 | 45.3 | 80.4 |
| Year Highest Occurred | 1981 | 1972 | 1972 | 1981 | 1974 | 1972 | 1980 | 1980 | 1998 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 24.8 | 25.9 | 38.3 | 44.5 | 53.7 | 63.5 | 70.5 | 69.2 | 59.8 | 49.5 | 33.7 | 22.6 | 22.6 |
| Year Lowest Occurred | 1979 | 1989 | 1996 | 1997 | 1995 | 1995 | 1992 | 1992 | 1993 | 1984 | 1985 | 1983 | 1983 |
| Mean Min. Temperature (F) | 19.7 | 22.9 | 27.6 | 34.7 | 44.2 | 53.1 | 59.0 | 58.0 | 48.4 | 38.1 | 27.7 | 21.1 | 37.9 |
| Highest Mean Min. Temperature (F) | 27.5 | 29.9 | 34.7 | 43.2 | 48.3 | 60.2 | 66.5 | 62.2 | 56.4 | 44.6 | 36.0 | 30.3 | 66.5 |
| Year Highest Occurred | 1981 | 1972 | 1972 | 1981 | 1972 | 1972 | 1980 | 1972 | 1981 | 1974 | 1981 | 1980 | 1980 |
| Lowest Mean Min. Temperature (F) | 9.6 | 12.4 | 21.4 | 31.2 | 38.8 | 48.0 | 53.1 | 52.2 | 43.0 | 33.8 | 20.9 | 10.1 | 9.6 |
| Year Lowest Occurred | 1978 | 1989 | 1996 | 1978 | 1990 | 1978 | 1978 | 1985 | 1978 | 1993 | 1985 | 1983 | 1978 |
| Mean Precipitation (in.) | 0.46 | 0.38 | 1.06 | 1.47 | 1.64 | 1.24 | 1.78 | 2.05 | 1.21 | 0.72 | 0.80 | 0.49 | 13.30 |
| Highest Precipitation (in.) | 3.50 | 1.82 | 2.67 | 6.44 | 6.57 | 4.65 | 3.96 | 4.83 | 2.55 | 2.12 | 2.00 | 1.38 | 6.57 |
| Year Highest Occurred | 1982 | 1997 | 2000 | 1999 | 1980 | 1978 | 1999 | 1992 | 1982 | 1990 | 1985 | 1978 | 1980 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.05 | 0.00 | 0.05 | 0.00 | 0.19 | 0.31 | 0.04 | 0.00 | 0.02 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1979 | 1978 | 1981 | 1984 | 1985 | 1980 | 1974 | 1992 | 1977 | 1989 | 1980 | 1998 |
| Heating Degree Days (F) | 959. | 766. | 691. | 462. | 217. | 49. | 2. | 7. | 105. | 360. | 700. | 928. | 5246. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 24. | 160. | 291. | 241. | 68. | 1. | 0. | 0. | 786. |