| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.7 | 50.2 | 55.5 | 60.1 | 66.5 | 72.3 | 80.1 | 81.3 | 75.7 | 63.7 | 49.4 | 43.0 | 61.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 38.1 | 41.0 | 45.0 | 48.9 | 54.6 | 59.8 | 65.4 | 65.5 | 60.3 | 51.6 | 42.2 | 37.1 | 50.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 31.4 | 31.9 | 34.4 | 37.6 | 42.6 | 47.3 | 50.7 | 49.7 | 44.8 | 39.4 | 35.1 | 31.3 | 39.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 6.00 | 4.49 | 4.57 | 4.16 | 3.18 | 1.95 | 0.71 | 0.71 | 1.57 | 3.45 | 7.29 | 7.33 | 45.41 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 835. | 671. | 622. | 485. | 332. | 175. | 56. | 55. | 162. | 417. | 682. | 863. | 5356. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 19. | 68. | 71. | 20. | 1. | 0. | 0. | 186. |