| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.9 | 46.1 | 55.7 | 63.8 | 73.4 | 82.3 | 91.7 | 90.5 | 80.9 | 67.6 | 50.7 | 39.5 | 65.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.2 | 33.8 | 41.7 | 47.6 | 56.2 | 63.9 | 71.9 | 70.2 | 61.2 | 50.0 | 37.0 | 28.1 | 49.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 16.5 | 21.5 | 27.6 | 31.4 | 39.0 | 45.4 | 52.1 | 49.8 | 41.4 | 32.3 | 23.3 | 16.7 | 33.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.09 | 0.84 | 0.81 | 0.85 | 1.00 | 0.60 | 0.24 | 0.10 | 0.41 | 0.65 | 1.06 | 1.15 | 8.80 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1141. | 874. | 724. | 522. | 288. | 105. | 14. | 16. | 150. | 467. | 840. | 1144. | 6285. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 16. | 71. | 228. | 176. | 35. | 1. | 0. | 0. | 525. |