| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.6 | 45.6 | 54.6 | 61.9 | 71.3 | 81.1 | 91.3 | 89.7 | 80.0 | 66.2 | 49.5 | 40.0 | 64.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.3 | 34.9 | 41.7 | 47.1 | 55.2 | 63.7 | 72.2 | 70.6 | 61.1 | 50.1 | 38.1 | 30.5 | 49.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.9 | 24.1 | 28.9 | 32.4 | 39.2 | 46.3 | 53.0 | 51.4 | 42.1 | 34.0 | 26.6 | 21.0 | 35.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.85 | 0.86 | 1.16 | 0.97 | 1.15 | 0.80 | 0.22 | 0.38 | 0.43 | 0.67 | 1.00 | 1.00 | 9.49 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1046. | 844. | 721. | 536. | 316. | 112. | 14. | 22. | 158. | 464. | 808. | 1069. | 6112. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 14. | 73. | 236. | 194. | 40. | 2. | 0. | 0. | 560. |