| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.5 | 46.3 | 56.5 | 64.7 | 75.0 | 85.6 | 91.2 | 87.4 | 79.4 | 65.8 | 51.0 | 40.3 | 65.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.0 | 35.5 | 44.4 | 52.0 | 61.6 | 71.6 | 77.9 | 74.8 | 66.7 | 54.1 | 40.4 | 30.3 | 53.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.4 | 24.7 | 32.4 | 39.2 | 48.3 | 57.5 | 64.5 | 62.2 | 54.0 | 42.4 | 29.7 | 20.2 | 41.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.62 | 0.49 | 0.73 | 0.54 | 0.53 | 0.45 | 0.93 | 1.33 | 0.75 | 0.90 | 0.52 | 0.36 | 8.15 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1086. | 826. | 637. | 395. | 153. | 23. | 0. | 1. | 59. | 344. | 739. | 1077. | 5342. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 49. | 220. | 399. | 305. | 109. | 7. | 0. | 0. | 1092. |