| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.0 | 51.4 | 59.4 | 65.8 | 74.5 | 83.9 | 93.3 | 91.2 | 82.5 | 69.7 | 55.3 | 45.3 | 68.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.3 | 37.9 | 43.9 | 50.0 | 58.3 | 66.7 | 74.6 | 72.0 | 63.1 | 51.8 | 40.0 | 32.2 | 52.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.5 | 24.3 | 28.5 | 34.2 | 42.1 | 49.5 | 55.9 | 52.9 | 43.7 | 33.9 | 24.7 | 19.2 | 35.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.54 | 0.53 | 0.54 | 0.35 | 0.42 | 0.50 | 0.16 | 0.27 | 0.42 | 0.44 | 0.62 | 0.59 | 5.38 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1015. | 760. | 653. | 451. | 235. | 66. | 6. | 12. | 113. | 411. | 750. | 1015. | 5486. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 27. | 117. | 303. | 230. | 56. | 2. | 0. | 0. | 736. |