| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.8 | 51.2 | 55.8 | 60.2 | 66.4 | 71.4 | 78.2 | 79.4 | 74.6 | 63.1 | 51.9 | 45.0 | 62.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.7 | 41.9 | 45.9 | 49.6 | 55.2 | 59.8 | 64.7 | 65.0 | 60.3 | 51.6 | 44.2 | 38.5 | 51.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 32.6 | 32.6 | 36.0 | 39.0 | 44.1 | 48.2 | 51.2 | 50.6 | 45.9 | 40.0 | 36.5 | 32.0 | 40.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 7.19 | 5.42 | 5.54 | 4.35 | 3.43 | 2.51 | 0.87 | 0.95 | 2.24 | 4.40 | 8.14 | 7.56 | 52.60 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 784. | 647. | 592. | 462. | 310. | 176. | 73. | 66. | 162. | 418. | 624. | 821. | 5135. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 20. | 64. | 66. | 20. | 1. | 0. | 0. | 177. |