| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 58.6 | 66.0 | 72.2 | 79.3 | 87.8 | 95.0 | 99.5 | 97.4 | 93.3 | 83.8 | 69.4 | 59.2 | 80.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 48.1 | 53.3 | 57.7 | 62.5 | 69.7 | 75.9 | 80.1 | 78.5 | 74.9 | 66.8 | 55.7 | 48.2 | 64.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 37.5 | 40.6 | 43.3 | 45.8 | 51.7 | 56.8 | 60.7 | 59.6 | 56.5 | 49.8 | 42.0 | 37.3 | 48.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.62 | 2.18 | 1.77 | 0.63 | 0.44 | 0.05 | 0.00 | 0.01 | 0.24 | 0.61 | 1.23 | 1.81 | 11.59 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 525. | 328. | 230. | 121. | 29. | 2. | 0. | 0. | 1. | 46. | 282. | 519. | 2084. |
| Cooling Degree Days (F) | 0. | 0. | 5. | 47. | 176. | 329. | 468. | 418. | 298. | 102. | 3. | 0. | 1848. |