| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.8 | 43.4 | 53.5 | 63.0 | 73.6 | 85.7 | 92.2 | 90.7 | 80.7 | 66.2 | 49.8 | 37.5 | 64.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.1 | 31.3 | 40.3 | 48.2 | 57.7 | 67.6 | 75.6 | 74.2 | 64.4 | 50.6 | 37.8 | 27.3 | 50.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 15.5 | 19.2 | 27.0 | 33.4 | 41.8 | 49.5 | 59.0 | 57.6 | 48.0 | 35.0 | 25.7 | 17.1 | 35.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.05 | 1.28 | 1.15 | 1.46 | 1.14 | 0.87 | 0.82 | 0.87 | 1.04 | 1.13 | 0.91 | 0.79 | 12.51 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1204. | 943. | 768. | 506. | 246. | 58. | 4. | 5. | 102. | 449. | 817. | 1168. | 6270. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 20. | 135. | 332. | 288. | 82. | 3. | 0. | 0. | 862. |