| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.8 | 46.0 | 57.0 | 65.1 | 75.3 | 85.9 | 94.5 | 92.1 | 81.7 | 67.4 | 51.8 | 40.6 | 66.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.9 | 32.8 | 42.2 | 49.2 | 58.4 | 68.0 | 75.7 | 73.7 | 63.4 | 50.6 | 37.6 | 27.5 | 50.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.0 | 19.7 | 27.4 | 33.3 | 41.5 | 50.1 | 56.9 | 55.2 | 45.0 | 33.8 | 23.3 | 14.4 | 34.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.49 | 0.51 | 0.56 | 0.77 | 0.90 | 0.68 | 0.53 | 0.63 | 0.65 | 0.72 | 0.44 | 0.42 | 7.30 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1181. | 900. | 707. | 475. | 228. | 51. | 2. | 5. | 113. | 448. | 823. | 1162. | 6095. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 24. | 141. | 333. | 273. | 63. | 1. | 0. | 0. | 836. |