| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 63.7 | 64.2 | 66.1 | 70.3 | 74.6 | 80.5 | 86.6 | 87.8 | 85.1 | 77.6 | 69.7 | 63.3 | 74.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 54.1 | 54.2 | 55.9 | 59.2 | 63.2 | 68.4 | 74.3 | 75.7 | 73.3 | 66.5 | 59.2 | 53.5 | 63.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 44.4 | 44.2 | 45.6 | 48.1 | 51.9 | 56.2 | 62.0 | 63.6 | 61.4 | 55.3 | 48.8 | 43.8 | 52.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.03 | 3.60 | 3.14 | 1.24 | 0.36 | 0.15 | 0.23 | 0.15 | 0.27 | 0.74 | 1.75 | 2.11 | 16.77 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 342. | 307. | 291. | 202. | 106. | 30. | 2. | 1. | 12. | 66. | 195. | 356. | 1909. |
| Cooling Degree Days (F) | 2. | 5. | 7. | 28. | 52. | 130. | 290. | 333. | 259. | 111. | 23. | 1. | 1241. |