| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.3 | 60.7 | 66.9 | 73.7 | 81.9 | 89.7 | 95.2 | 94.2 | 89.4 | 79.0 | 64.3 | 54.6 | 75.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 46.9 | 51.6 | 56.3 | 61.1 | 68.0 | 74.1 | 77.7 | 76.8 | 73.5 | 65.6 | 54.4 | 47.0 | 62.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 39.5 | 42.5 | 45.8 | 48.5 | 54.0 | 58.6 | 60.2 | 59.3 | 57.6 | 52.2 | 44.5 | 39.4 | 50.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 4.48 | 4.06 | 2.99 | 1.34 | 0.63 | 0.17 | 0.00 | 0.06 | 0.40 | 1.09 | 2.45 | 3.67 | 21.34 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 561. | 375. | 272. | 149. | 45. | 4. | 0. | 0. | 4. | 64. | 320. | 558. | 2353. |
| Cooling Degree Days (F) | 0. | 0. | 4. | 32. | 137. | 278. | 394. | 364. | 259. | 83. | 2. | 0. | 1553. |