| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.1 | 46.3 | 56.2 | 63.9 | 72.1 | 79.3 | 88.2 | 87.5 | 78.0 | 64.6 | 50.2 | 39.9 | 64.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 35.6 | 38.5 | 46.1 | 52.6 | 60.1 | 66.8 | 74.5 | 74.0 | 65.5 | 54.0 | 43.0 | 34.7 | 53.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 30.1 | 30.7 | 36.0 | 41.2 | 48.0 | 54.4 | 60.8 | 60.5 | 52.9 | 43.4 | 35.8 | 29.4 | 43.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.08 | 0.78 | 0.78 | 0.61 | 0.77 | 0.59 | 0.18 | 0.23 | 0.36 | 0.62 | 1.10 | 1.10 | 8.20 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 911. | 742. | 586. | 374. | 183. | 47. | 4. | 3. | 68. | 343. | 660. | 941. | 4862. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 29. | 103. | 298. | 282. | 81. | 2. | 0. | 0. | 797. |