| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.1 | 46.4 | 56.8 | 65.5 | 74.5 | 84.7 | 91.0 | 88.6 | 80.6 | 67.4 | 52.1 | 40.6 | 65.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.1 | 33.7 | 42.7 | 49.6 | 57.9 | 66.7 | 73.4 | 71.7 | 62.7 | 50.9 | 38.4 | 28.6 | 50.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 16.0 | 21.0 | 28.6 | 33.6 | 41.2 | 48.7 | 55.8 | 54.7 | 44.8 | 34.4 | 24.7 | 16.5 | 35.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.66 | 0.63 | 1.26 | 0.93 | 1.11 | 0.70 | 0.59 | 0.76 | 1.11 | 1.35 | 0.71 | 0.98 | 10.79 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1145. | 876. | 692. | 464. | 234. | 57. | 4. | 5. | 119. | 438. | 798. | 1130. | 5961. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 12. | 108. | 264. | 211. | 50. | 1. | 0. | 0. | 646. |