| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.4 | 43.6 | 50.4 | 57.4 | 64.4 | 72.8 | 82.3 | 83.4 | 75.4 | 63.1 | 46.9 | 37.5 | 59.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.0 | 30.4 | 37.1 | 42.3 | 48.7 | 55.4 | 61.5 | 60.7 | 53.1 | 44.5 | 34.8 | 27.0 | 43.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 15.6 | 17.2 | 23.8 | 27.1 | 33.1 | 38.0 | 40.7 | 38.0 | 30.8 | 25.9 | 22.8 | 16.5 | 27.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.79 | 1.25 | 1.46 | 1.55 | 1.82 | 1.44 | 0.65 | 0.62 | 0.70 | 1.32 | 2.11 | 2.09 | 16.80 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1178. | 969. | 865. | 682. | 505. | 295. | 140. | 158. | 361. | 636. | 904. | 1178. | 7870. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 7. | 31. | 24. | 4. | 0. | 0. | 0. | 67. |