| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.9 | 35.6 | 48.6 | 58.7 | 67.8 | 77.9 | 87.7 | 86.4 | 75.8 | 61.9 | 44.5 | 31.9 | 59.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 22.4 | 26.1 | 37.6 | 45.7 | 53.6 | 62.2 | 70.2 | 68.8 | 58.8 | 47.6 | 34.2 | 23.5 | 46.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.0 | 16.5 | 26.6 | 32.7 | 39.4 | 46.4 | 52.7 | 51.2 | 41.8 | 33.3 | 23.9 | 15.1 | 32.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.51 | 1.30 | 1.56 | 1.75 | 2.20 | 1.22 | 0.84 | 0.90 | 1.40 | 1.80 | 1.30 | 1.69 | 17.47 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1319. | 1090. | 850. | 579. | 356. | 128. | 17. | 24. | 202. | 539. | 924. | 1286. | 7314. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 43. | 178. | 142. | 16. | 0. | 0. | 0. | 381. |