| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.8 | 39.0 | 51.3 | 62.2 | 71.1 | 77.6 | 85.9 | 86.0 | 77.5 | 62.2 | 41.5 | 28.7 | 59.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 23.1 | 28.6 | 38.7 | 47.3 | 55.3 | 61.9 | 68.1 | 67.6 | 59.1 | 46.9 | 33.1 | 21.6 | 46.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 15.4 | 18.2 | 26.2 | 32.3 | 39.5 | 46.2 | 50.3 | 49.2 | 40.7 | 31.6 | 24.7 | 14.4 | 32.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.95 | 1.33 | 1.03 | 0.76 | 1.12 | 1.18 | 0.75 | 0.54 | 0.42 | 1.08 | 2.09 | 2.50 | 14.75 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1299. | 1019. | 814. | 533. | 308. | 127. | 32. | 39. | 197. | 561. | 957. | 1347. | 7231. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 34. | 128. | 119. | 20. | 0. | 0. | 0. | 308. |