| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.8 | 42.6 | 51.9 | 61.0 | 70.5 | 81.6 | 89.2 | 86.7 | 78.1 | 64.1 | 49.3 | 38.3 | 62.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.3 | 29.6 | 37.8 | 46.4 | 56.7 | 67.4 | 74.0 | 71.9 | 62.7 | 49.3 | 36.2 | 26.0 | 48.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 13.8 | 16.6 | 23.6 | 31.9 | 42.9 | 53.2 | 58.7 | 57.2 | 47.2 | 34.5 | 23.1 | 13.7 | 34.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.39 | 0.53 | 1.11 | 1.95 | 2.90 | 3.14 | 2.53 | 2.29 | 1.40 | 1.29 | 0.65 | 0.43 | 18.61 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1200. | 991. | 845. | 557. | 274. | 56. | 6. | 11. | 138. | 489. | 864. | 1209. | 6640. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 17. | 128. | 283. | 226. | 68. | 2. | 0. | 0. | 726. |