| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.8 | 49.2 | 56.8 | 64.4 | 74.4 | 84.8 | 91.9 | 89.7 | 80.8 | 68.1 | 53.8 | 44.3 | 67.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.5 | 36.8 | 42.9 | 49.5 | 58.8 | 68.1 | 74.7 | 72.5 | 64.5 | 52.8 | 40.1 | 31.9 | 52.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.3 | 24.3 | 29.0 | 34.6 | 43.2 | 51.5 | 57.5 | 55.4 | 48.1 | 37.5 | 26.5 | 19.4 | 37.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.49 | 0.52 | 0.57 | 0.42 | 0.53 | 0.28 | 0.45 | 0.51 | 0.38 | 0.34 | 0.44 | 0.31 | 5.24 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1006. | 791. | 685. | 466. | 218. | 50. | 2. | 4. | 85. | 381. | 745. | 1028. | 5461. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 26. | 145. | 303. | 238. | 68. | 2. | 0. | 0. | 783. |