| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 71.0 | 71.0 | 72.8 | 75.5 | 78.4 | 81.4 | 86.6 | 88.7 | 86.9 | 81.7 | 75.7 | 70.2 | 78.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 59.5 | 59.7 | 61.8 | 64.4 | 67.9 | 71.2 | 75.6 | 76.8 | 74.9 | 70.0 | 63.9 | 58.7 | 67.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 48.1 | 48.4 | 50.7 | 53.4 | 57.4 | 60.9 | 64.6 | 64.9 | 63.0 | 58.2 | 52.1 | 47.2 | 55.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.86 | 3.08 | 1.90 | 0.80 | 0.28 | 0.10 | 0.03 | 0.01 | 0.25 | 0.72 | 1.38 | 2.02 | 13.43 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 187. | 164. | 128. | 72. | 22. | 3. | 0. | 0. | 0. | 12. | 86. | 205. | 880. |
| Cooling Degree Days (F) | 18. | 16. | 28. | 55. | 112. | 187. | 329. | 366. | 299. | 166. | 53. | 10. | 1638. |