| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.6 | 48.6 | 57.3 | 64.2 | 73.0 | 80.9 | 90.9 | 90.4 | 81.5 | 67.1 | 50.2 | 40.6 | 65.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 35.2 | 38.7 | 44.7 | 49.8 | 57.5 | 64.2 | 71.5 | 70.9 | 63.1 | 52.1 | 41.0 | 33.7 | 51.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 27.8 | 28.8 | 32.0 | 35.5 | 41.9 | 47.5 | 52.1 | 51.5 | 44.6 | 37.1 | 31.8 | 26.7 | 38.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.58 | 1.10 | 0.83 | 0.86 | 1.06 | 0.78 | 0.38 | 0.28 | 0.35 | 0.73 | 1.47 | 1.74 | 11.16 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 924. | 736. | 631. | 456. | 257. | 97. | 17. | 15. | 118. | 403. | 720. | 972. | 5345. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 23. | 73. | 218. | 199. | 59. | 3. | 0. | 0. | 577. |