| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 29.5 | 37.7 | 53.9 | 64.1 | 75.6 | 86.8 | 93.3 | 90.9 | 80.4 | 65.4 | 47.6 | 32.3 | 63.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 17.9 | 25.7 | 40.0 | 49.0 | 58.9 | 68.4 | 74.9 | 72.7 | 62.8 | 49.7 | 35.2 | 21.7 | 48.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 6.3 | 13.7 | 26.0 | 34.0 | 42.3 | 50.1 | 56.6 | 54.4 | 45.1 | 34.1 | 22.8 | 11.0 | 33.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.60 | 0.64 | 0.60 | 0.80 | 0.83 | 0.67 | 0.70 | 0.63 | 1.13 | 1.26 | 0.63 | 0.58 | 9.07 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1460. | 1100. | 777. | 479. | 208. | 37. | 2. | 4. | 114. | 473. | 894. | 1344. | 6891. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 21. | 140. | 310. | 241. | 46. | 0. | 0. | 0. | 759. |