| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.8 | 62.1 | 66.5 | 71.5 | 77.3 | 83.4 | 88.0 | 87.3 | 85.3 | 77.0 | 65.2 | 56.8 | 73.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 48.9 | 53.0 | 56.5 | 60.2 | 65.1 | 69.9 | 73.0 | 72.9 | 71.1 | 64.8 | 55.5 | 48.8 | 61.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 41.0 | 43.8 | 46.4 | 48.9 | 52.9 | 56.4 | 57.9 | 58.5 | 57.0 | 52.6 | 45.8 | 40.9 | 50.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.54 | 3.70 | 2.53 | 1.12 | 0.58 | 0.10 | 0.00 | 0.03 | 0.10 | 0.82 | 2.22 | 3.38 | 18.12 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 499. | 337. | 267. | 162. | 66. | 12. | 0. | 1. | 5. | 67. | 287. | 501. | 2203. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 18. | 69. | 159. | 247. | 245. | 189. | 61. | 2. | 0. | 991. |