| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 56.0 | 61.4 | 68.4 | 76.0 | 83.9 | 93.0 | 92.9 | 90.5 | 85.3 | 75.8 | 63.4 | 55.8 | 75.2 |
| Highest Mean Max. Temperature (F) | 61.2 | 66.8 | 76.2 | 83.4 | 91.5 | 98.9 | 97.4 | 95.8 | 89.9 | 81.3 | 70.2 | 62.4 | 98.9 |
| Year Highest Occurred | 2000 | 1996 | 1971 | 1989 | 1996 | 1994 | 1980 | 1994 | 1998 | 1979 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 49.5 | 53.9 | 61.8 | 68.2 | 78.7 | 88.3 | 88.9 | 85.5 | 80.9 | 69.1 | 53.6 | 50.2 | 49.5 |
| Year Lowest Occurred | 1992 | 1973 | 1973 | 1973 | 1979 | 1979 | 1976 | 1974 | 1972 | 1984 | 1976 | 1997 | 1992 |
| Mean Temperature (F) | 42.2 | 46.9 | 52.8 | 59.7 | 68.0 | 76.6 | 78.3 | 76.4 | 71.0 | 61.0 | 49.2 | 42.2 | 60.4 |
| Highest Mean Temperature (F) | 46.4 | 52.3 | 57.7 | 65.2 | 73.9 | 81.1 | 81.8 | 80.3 | 76.3 | 64.3 | 54.8 | 46.5 | 81.8 |
| Year Highest Occurred | 1999 | 1996 | 1974 | 2000 | 2000 | 1994 | 1980 | 1995 | 1998 | 1988 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 38.0 | 43.0 | 47.9 | 53.1 | 64.3 | 72.7 | 75.0 | 73.0 | 67.7 | 56.1 | 41.3 | 38.5 | 38.0 |
| Year Lowest Occurred | 1992 | 1973 | 1987 | 1983 | 1987 | 1979 | 1976 | 1990 | 1987 | 1976 | 1976 | 1987 | 1992 |
| Mean Min. Temperature (F) | 28.4 | 32.3 | 37.2 | 43.4 | 52.1 | 60.1 | 63.7 | 62.3 | 56.6 | 46.1 | 34.9 | 28.5 | 45.5 |
| Highest Mean Min. Temperature (F) | 32.8 | 37.9 | 42.4 | 49.7 | 57.7 | 64.5 | 67.3 | 66.1 | 62.6 | 49.7 | 41.4 | 32.2 | 67.3 |
| Year Highest Occurred | 1980 | 1995 | 1974 | 2000 | 2000 | 1996 | 1996 | 1977 | 1998 | 1998 | 1978 | 1994 | 1996 |
| Lowest Mean Min. Temperature (F) | 22.8 | 27.8 | 31.2 | 37.9 | 48.3 | 56.5 | 60.0 | 58.6 | 51.4 | 41.6 | 28.9 | 22.6 | 22.6 |
| Year Lowest Occurred | 1987 | 1974 | 1987 | 1983 | 1987 | 1987 | 1987 | 1990 | 1987 | 1976 | 1976 | 1989 | 1989 |
| Mean Precipitation (in.) | 0.54 | 0.49 | 0.40 | 0.28 | 0.61 | 0.81 | 1.86 | 2.02 | 1.43 | 1.23 | 0.73 | 0.91 | 11.31 |
| Highest Precipitation (in.) | 1.64 | 1.33 | 1.73 | 1.28 | 2.40 | 4.25 | 4.84 | 3.83 | 3.53 | 4.88 | 2.76 | 4.17 | 4.88 |
| Year Highest Occurred | 1993 | 1973 | 1973 | 1992 | 1992 | 2000 | 1971 | 1988 | 1975 | 1985 | 1986 | 1991 | 1985 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.59 | 0.73 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1996 | 1998 | 2000 | 1989 | 1987 | 1975 | 1993 | 1995 | 1999 | 1996 | 2000 |
| Heating Degree Days (F) | 707. | 509. | 380. | 191. | 52. | 1. | 0. | 0. | 15. | 152. | 478. | 709. | 3194. |
| Cooling Degree Days (F) | 0. | 0. | 3. | 32. | 145. | 347. | 413. | 353. | 193. | 26. | 2. | 0. | 1514. |