| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.2 | 44.0 | 55.0 | 64.7 | 73.5 | 82.6 | 94.1 | 93.2 | 81.4 | 65.8 | 48.9 | 39.1 | 65.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.7 | 36.7 | 45.9 | 53.8 | 61.8 | 70.0 | 79.2 | 78.6 | 68.5 | 55.4 | 42.4 | 33.6 | 55.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 27.1 | 29.4 | 36.7 | 42.9 | 50.1 | 57.4 | 64.4 | 64.0 | 55.6 | 45.0 | 35.9 | 28.0 | 44.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.93 | 1.44 | 1.58 | 1.32 | 1.85 | 1.33 | 0.49 | 0.44 | 0.62 | 1.11 | 1.78 | 2.09 | 15.98 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1003. | 792. | 594. | 341. | 159. | 38. | 3. | 4. | 55. | 311. | 678. | 975. | 4952. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 60. | 188. | 445. | 425. | 160. | 13. | 0. | 0. | 1296. |