| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.7 | 51.4 | 58.0 | 64.4 | 73.3 | 81.9 | 91.8 | 91.3 | 83.0 | 70.0 | 52.9 | 44.8 | 67.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 35.5 | 39.3 | 44.2 | 49.6 | 57.0 | 64.3 | 72.2 | 71.2 | 63.8 | 53.0 | 41.2 | 35.0 | 52.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 25.3 | 27.2 | 30.4 | 34.9 | 40.7 | 46.7 | 52.6 | 51.1 | 44.6 | 36.0 | 29.4 | 25.1 | 37.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.13 | 2.31 | 1.63 | 1.21 | 1.31 | 0.92 | 0.55 | 0.36 | 0.50 | 1.13 | 2.92 | 3.98 | 19.95 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 914. | 720. | 645. | 462. | 271. | 102. | 16. | 15. | 103. | 376. | 715. | 931. | 5270. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 23. | 81. | 239. | 207. | 67. | 4. | 0. | 0. | 622. |