| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.5 | 39.1 | 43.4 | 49.5 | 60.6 | 70.0 | 74.6 | 71.8 | 64.9 | 55.6 | 44.6 | 37.9 | 54.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 22.0 | 24.2 | 29.1 | 35.6 | 45.2 | 52.7 | 57.9 | 56.3 | 49.4 | 40.4 | 30.0 | 22.5 | 38.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 6.5 | 9.2 | 14.8 | 21.7 | 29.8 | 35.3 | 41.3 | 40.7 | 33.9 | 25.2 | 15.5 | 7.1 | 23.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.98 | 2.51 | 2.22 | 1.74 | 1.64 | 1.33 | 2.46 | 2.90 | 2.20 | 1.89 | 1.91 | 2.18 | 24.96 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1333. | 1144. | 1113. | 882. | 614. | 371. | 219. | 272. | 468. | 763. | 1048. | 1317. | 9543. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 1. | 0. | 0. | 0. | 0. | 0. | 1. |