| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.2 | 46.8 | 55.1 | 62.3 | 71.5 | 81.7 | 92.1 | 90.8 | 80.8 | 67.3 | 50.6 | 41.1 | 65.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.8 | 34.8 | 41.5 | 47.0 | 55.1 | 63.3 | 71.9 | 70.1 | 61.0 | 50.3 | 38.4 | 30.6 | 49.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.4 | 22.8 | 28.0 | 31.6 | 38.7 | 44.8 | 51.7 | 49.4 | 41.3 | 33.3 | 26.3 | 20.1 | 34.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.67 | 0.63 | 0.93 | 1.16 | 1.28 | 1.01 | 0.33 | 0.30 | 0.42 | 0.72 | 0.78 | 0.69 | 8.92 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1029. | 846. | 727. | 542. | 321. | 124. | 19. | 28. | 161. | 458. | 797. | 1066. | 6118. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 15. | 71. | 233. | 186. | 43. | 2. | 0. | 0. | 550. |