| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.8 | 46.8 | 58.6 | 66.5 | 75.7 | 84.6 | 93.7 | 92.9 | 82.0 | 67.4 | 50.2 | 38.5 | 66.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.8 | 36.5 | 45.7 | 52.2 | 61.0 | 68.8 | 76.8 | 74.9 | 64.4 | 52.3 | 39.7 | 30.4 | 52.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.9 | 26.2 | 32.9 | 38.0 | 46.2 | 53.1 | 59.9 | 57.0 | 46.8 | 37.3 | 29.3 | 22.3 | 39.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.41 | 0.95 | 1.29 | 1.07 | 1.20 | 0.64 | 0.26 | 0.28 | 0.51 | 0.71 | 1.18 | 1.60 | 11.10 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1058. | 798. | 597. | 388. | 179. | 47. | 3. | 7. | 102. | 396. | 757. | 1072. | 5404. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 54. | 162. | 368. | 315. | 84. | 4. | 0. | 0. | 992. |