| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.2 | 49.9 | 55.4 | 60.5 | 67.7 | 73.4 | 81.1 | 82.0 | 76.1 | 63.5 | 50.9 | 43.7 | 62.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 38.8 | 41.6 | 46.0 | 50.1 | 56.4 | 61.8 | 67.5 | 67.8 | 62.2 | 52.5 | 43.8 | 38.0 | 52.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 32.5 | 33.2 | 36.6 | 39.7 | 45.2 | 50.2 | 54.0 | 53.6 | 48.4 | 41.4 | 36.7 | 32.3 | 42.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 7.19 | 5.40 | 4.76 | 3.12 | 2.19 | 1.59 | 0.44 | 0.60 | 1.21 | 3.24 | 7.64 | 8.19 | 45.57 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 811. | 657. | 589. | 448. | 281. | 139. | 44. | 37. | 128. | 391. | 636. | 837. | 4996. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 16. | 44. | 123. | 124. | 45. | 2. | 0. | 0. | 353. |