| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.5 | 44.4 | 51.2 | 57.5 | 66.0 | 73.3 | 82.8 | 83.0 | 76.1 | 62.2 | 46.2 | 37.6 | 60.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 34.1 | 36.6 | 41.2 | 45.9 | 52.9 | 59.1 | 66.2 | 65.8 | 60.0 | 50.2 | 39.5 | 33.1 | 48.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 28.8 | 28.7 | 31.2 | 34.4 | 39.8 | 45.0 | 49.6 | 48.7 | 44.0 | 38.1 | 32.8 | 28.6 | 37.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 10.74 | 8.33 | 7.62 | 5.74 | 4.40 | 2.86 | 0.94 | 0.95 | 2.12 | 5.56 | 12.13 | 12.62 | 74.01 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 956. | 797. | 738. | 572. | 383. | 202. | 61. | 62. | 179. | 461. | 765. | 989. | 6163. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 26. | 98. | 88. | 30. | 1. | 0. | 0. | 251. |