| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.9 | 40.5 | 48.0 | 55.4 | 64.8 | 73.8 | 84.7 | 83.5 | 74.0 | 61.0 | 44.9 | 36.3 | 58.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.3 | 31.2 | 37.9 | 42.9 | 50.9 | 58.6 | 68.0 | 67.0 | 58.8 | 48.0 | 35.5 | 27.5 | 46.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.7 | 21.8 | 27.8 | 30.4 | 36.9 | 43.4 | 51.3 | 50.6 | 43.7 | 35.0 | 26.0 | 18.7 | 33.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.17 | 0.92 | 1.18 | 1.01 | 1.40 | 0.84 | 0.48 | 0.48 | 0.53 | 0.78 | 1.25 | 1.62 | 11.66 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1138. | 948. | 840. | 663. | 445. | 223. | 59. | 61. | 221. | 529. | 886. | 1162. | 7174. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 31. | 151. | 124. | 36. | 2. | 0. | 0. | 351. |