| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 29.2 | 32.7 | 40.7 | 51.3 | 61.3 | 70.3 | 78.9 | 78.5 | 68.9 | 55.0 | 39.4 | 28.7 | 53.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 19.1 | 21.9 | 30.1 | 39.1 | 47.7 | 55.6 | 62.6 | 61.9 | 53.1 | 41.8 | 29.0 | 18.9 | 40.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 9.0 | 11.1 | 19.5 | 26.9 | 34.2 | 40.9 | 46.4 | 45.3 | 37.2 | 28.6 | 18.6 | 9.2 | 27.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.47 | 1.01 | 1.22 | 1.47 | 2.20 | 1.59 | 1.21 | 1.11 | 1.16 | 1.44 | 1.62 | 1.64 | 17.14 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1423. | 1207. | 1082. | 777. | 535. | 287. | 103. | 116. | 360. | 719. | 1080. | 1427. | 9116. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 5. | 30. | 20. | 2. | 0. | 0. | 0. | 57. |