| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.3 | 49.5 | 58.0 | 65.2 | 73.5 | 81.2 | 91.8 | 92.2 | 82.6 | 67.6 | 52.0 | 41.8 | 66.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 33.0 | 37.3 | 44.1 | 49.9 | 57.5 | 64.2 | 71.6 | 71.0 | 62.2 | 50.2 | 40.4 | 32.4 | 51.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.7 | 25.0 | 30.1 | 34.6 | 41.4 | 47.2 | 51.4 | 49.7 | 41.7 | 32.7 | 28.8 | 23.0 | 35.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.38 | 1.17 | 1.46 | 1.44 | 1.75 | 1.35 | 0.59 | 0.61 | 0.61 | 1.08 | 1.54 | 1.63 | 14.61 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 992. | 777. | 650. | 454. | 258. | 98. | 16. | 15. | 137. | 461. | 738. | 1010. | 5605. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 24. | 74. | 220. | 199. | 51. | 1. | 0. | 0. | 570. |