| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 57.3 | 62.6 | 69.7 | 77.9 | 86.9 | 96.2 | 95.4 | 92.5 | 87.8 | 78.0 | 66.0 | 56.9 | 77.3 |
| Highest Mean Max. Temperature (F) | 63.9 | 69.6 | 77.9 | 87.0 | 95.8 | 103.5 | 101.3 | 101.1 | 94.3 | 84.1 | 77.0 | 63.1 | 103.5 |
| Year Highest Occurred | 1996 | 2000 | 1989 | 1989 | 2000 | 1994 | 1994 | 1994 | 1994 | 1995 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 49.3 | 55.4 | 61.9 | 69.9 | 81.9 | 91.2 | 90.5 | 87.4 | 82.2 | 70.0 | 58.6 | 51.6 | 49.3 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1983 | 1979 | 1979 | 1986 | 1990 | 1976 | 1976 | 2000 | 1997 | 1979 |
| Mean Temperature (F) | 41.6 | 45.9 | 51.4 | 58.4 | 67.4 | 76.9 | 79.7 | 77.6 | 72.0 | 61.1 | 49.0 | 41.3 | 60.2 |
| Highest Mean Temperature (F) | 45.8 | 50.9 | 57.1 | 65.4 | 73.8 | 83.1 | 82.5 | 83.1 | 76.9 | 65.3 | 55.1 | 45.3 | 83.1 |
| Year Highest Occurred | 1999 | 1996 | 1989 | 1989 | 2000 | 1994 | 1980 | 1994 | 1998 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Temperature (F) | 37.4 | 40.5 | 46.1 | 51.5 | 62.3 | 73.2 | 76.7 | 73.8 | 68.2 | 55.7 | 43.8 | 37.4 | 37.4 |
| Year Lowest Occurred | 1973 | 1974 | 1973 | 1975 | 1975 | 1979 | 1986 | 1990 | 1975 | 1976 | 2000 | 1988 | 1973 |
| Mean Min. Temperature (F) | 25.9 | 29.2 | 33.1 | 38.8 | 47.8 | 57.5 | 64.0 | 62.6 | 56.1 | 44.2 | 31.9 | 25.7 | 43.1 |
| Highest Mean Min. Temperature (F) | 32.4 | 34.7 | 38.2 | 44.0 | 53.7 | 64.5 | 67.3 | 65.3 | 62.4 | 48.4 | 38.2 | 31.2 | 67.3 |
| Year Highest Occurred | 1993 | 1996 | 1978 | 1986 | 1997 | 1990 | 1998 | 1998 | 1997 | 1998 | 1978 | 1984 | 1998 |
| Lowest Mean Min. Temperature (F) | 21.8 | 20.8 | 28.5 | 31.3 | 41.5 | 52.2 | 61.0 | 58.7 | 52.2 | 39.9 | 27.2 | 19.9 | 19.9 |
| Year Lowest Occurred | 1987 | 1974 | 1987 | 1975 | 1975 | 1975 | 1994 | 1973 | 1973 | 1982 | 1979 | 1988 | 1988 |
| Mean Precipitation (in.) | 0.73 | 0.59 | 0.36 | 0.15 | 0.25 | 0.54 | 2.06 | 2.39 | 1.32 | 1.18 | 0.76 | 1.27 | 11.60 |
| Highest Precipitation (in.) | 3.32 | 1.76 | 1.64 | 1.06 | 2.34 | 2.88 | 8.19 | 7.47 | 3.69 | 3.70 | 3.06 | 6.40 | 8.19 |
| Year Highest Occurred | 1993 | 1973 | 1992 | 1985 | 1992 | 1979 | 1973 | 1999 | 1987 | 1984 | 1986 | 1991 | 1973 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.35 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 2000 | 1971 | 2000 | 2000 | 1995 | 1978 | 1994 | 1984 | 1999 | 1999 | 1996 | 2000 |
| Heating Degree Days (F) | 725. | 535. | 423. | 230. | 70. | 3. | 0. | 1. | 15. | 157. | 482. | 735. | 3376. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 30. | 142. | 358. | 456. | 391. | 223. | 36. | 1. | 0. | 1639. |