| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.3 | 48.5 | 57.5 | 64.4 | 72.8 | 79.9 | 88.8 | 88.4 | 80.3 | 65.6 | 49.7 | 39.6 | 64.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 34.6 | 38.4 | 44.6 | 49.6 | 56.6 | 62.7 | 69.2 | 68.8 | 62.0 | 51.0 | 40.2 | 32.6 | 50.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 26.9 | 28.4 | 31.7 | 34.8 | 40.5 | 45.4 | 49.5 | 49.2 | 43.8 | 36.3 | 30.8 | 25.6 | 36.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.91 | 1.58 | 1.19 | 1.08 | 1.09 | 0.67 | 0.29 | 0.35 | 0.55 | 1.01 | 1.84 | 2.22 | 13.78 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 942. | 743. | 632. | 462. | 275. | 118. | 30. | 29. | 132. | 437. | 742. | 1004. | 5547. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 16. | 47. | 158. | 147. | 43. | 1. | 0. | 0. | 413. |