| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.2 | 41.6 | 48.2 | 54.6 | 64.2 | 72.2 | 82.8 | 81.9 | 74.7 | 61.4 | 43.5 | 36.5 | 58.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.4 | 29.6 | 35.2 | 39.9 | 47.3 | 53.5 | 60.9 | 59.6 | 53.0 | 43.6 | 32.7 | 25.3 | 42.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 16.6 | 17.7 | 22.2 | 25.2 | 30.4 | 34.9 | 39.0 | 37.4 | 31.3 | 25.9 | 22.0 | 14.1 | 26.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 4.46 | 3.15 | 2.59 | 1.44 | 1.21 | 1.11 | 0.51 | 0.59 | 0.60 | 1.47 | 3.56 | 5.10 | 25.79 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1166. | 990. | 924. | 753. | 549. | 348. | 154. | 184. | 362. | 662. | 967. | 1230. | 8290. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 4. | 27. | 18. | 2. | 0. | 0. | 0. | 53. |