| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.1 | 58.4 | 63.4 | 71.5 | 80.9 | 90.1 | 94.0 | 92.1 | 86.7 | 75.5 | 64.6 | 55.7 | 74.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 43.2 | 44.9 | 49.7 | 56.2 | 65.2 | 74.0 | 79.6 | 78.1 | 72.3 | 61.4 | 50.7 | 42.6 | 59.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 30.3 | 31.5 | 36.0 | 40.9 | 49.4 | 58.0 | 65.2 | 64.1 | 57.9 | 47.2 | 36.8 | 29.5 | 45.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.11 | 2.36 | 1.87 | 0.81 | 0.30 | 0.28 | 1.22 | 2.31 | 1.63 | 1.12 | 1.05 | 1.65 | 16.71 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 676. | 561. | 475. | 276. | 89. | 8. | 0. | 0. | 11. | 156. | 430. | 694. | 3377. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 13. | 93. | 280. | 453. | 406. | 230. | 43. | 1. | 0. | 1519. |