| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.9 | 47.9 | 54.6 | 61.7 | 71.1 | 80.1 | 88.5 | 86.8 | 78.9 | 67.2 | 54.2 | 45.4 | 65.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 33.2 | 35.3 | 41.4 | 47.6 | 57.4 | 66.3 | 74.2 | 72.2 | 64.3 | 52.6 | 41.3 | 33.0 | 51.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.6 | 22.6 | 28.2 | 33.5 | 43.6 | 52.6 | 59.9 | 57.6 | 49.7 | 37.9 | 28.4 | 20.6 | 38.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.30 | 1.64 | 1.49 | 0.93 | 0.81 | 0.59 | 0.86 | 1.23 | 0.89 | 1.22 | 0.92 | 1.28 | 13.16 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 984. | 833. | 732. | 522. | 257. | 72. | 4. | 5. | 89. | 389. | 711. | 992. | 5591. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 20. | 113. | 289. | 228. | 68. | 3. | 0. | 0. | 721. |