| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.7 | 43.5 | 52.5 | 61.3 | 71.2 | 81.8 | 88.9 | 86.2 | 77.9 | 64.7 | 49.6 | 38.5 | 63.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 24.6 | 28.6 | 38.1 | 46.7 | 57.1 | 67.0 | 73.6 | 71.2 | 61.9 | 48.7 | 34.8 | 24.5 | 48.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 10.4 | 13.7 | 23.7 | 32.1 | 43.1 | 52.3 | 58.3 | 56.1 | 45.9 | 32.7 | 20.0 | 10.6 | 33.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.24 | 0.17 | 0.74 | 1.27 | 2.21 | 2.40 | 2.29 | 1.90 | 1.25 | 1.00 | 0.44 | 0.31 | 14.22 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1254. | 1019. | 834. | 550. | 263. | 61. | 7. | 16. | 150. | 506. | 906. | 1254. | 6820. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 19. | 122. | 274. | 206. | 57. | 1. | 0. | 0. | 681. |