| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.8 | 38.5 | 45.8 | 53.2 | 61.6 | 70.3 | 81.0 | 81.1 | 71.7 | 58.4 | 41.3 | 32.6 | 55.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 24.3 | 27.5 | 34.4 | 40.5 | 48.0 | 54.7 | 61.9 | 61.2 | 52.8 | 43.1 | 32.2 | 23.7 | 42.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.9 | 16.5 | 23.0 | 27.8 | 34.4 | 39.1 | 42.7 | 41.3 | 33.9 | 27.9 | 23.0 | 14.8 | 28.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.59 | 1.81 | 1.89 | 1.60 | 1.82 | 1.51 | 0.81 | 0.97 | 0.82 | 1.25 | 2.85 | 3.18 | 21.10 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1260. | 1050. | 949. | 735. | 527. | 314. | 135. | 146. | 369. | 677. | 985. | 1280. | 8427. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 5. | 37. | 28. | 3. | 0. | 0. | 0. | 73. |