| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.2 | 55.1 | 55.9 | 57.6 | 60.5 | 62.9 | 65.3 | 65.7 | 65.3 | 62.0 | 56.6 | 53.7 | 59.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 46.9 | 47.6 | 48.4 | 49.9 | 52.8 | 55.3 | 57.8 | 58.3 | 56.9 | 53.7 | 49.3 | 46.4 | 52.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 39.7 | 40.0 | 40.8 | 42.2 | 45.2 | 47.8 | 50.4 | 50.9 | 48.4 | 45.3 | 42.0 | 39.0 | 44.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 10.82 | 8.92 | 9.11 | 6.34 | 3.54 | 2.01 | 0.35 | 0.57 | 1.19 | 4.51 | 10.18 | 13.70 | 71.24 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 560. | 489. | 516. | 453. | 377. | 290. | 222. | 208. | 246. | 353. | 471. | 578. | 4762. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 2. | 1. | 0. | 0. | 4. |