| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.4 | 44.8 | 51.4 | 56.6 | 64.9 | 71.6 | 81.5 | 81.0 | 73.2 | 62.4 | 47.9 | 39.9 | 59.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.8 | 34.6 | 39.8 | 44.0 | 50.8 | 57.1 | 64.9 | 64.3 | 57.4 | 48.2 | 38.0 | 31.2 | 47.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 24.1 | 24.4 | 28.2 | 31.3 | 36.6 | 42.6 | 48.3 | 47.6 | 41.6 | 34.0 | 28.0 | 22.6 | 34.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.06 | 0.77 | 0.64 | 0.77 | 1.15 | 0.84 | 0.69 | 0.55 | 0.54 | 0.69 | 1.13 | 1.13 | 9.96 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1000. | 851. | 781. | 631. | 445. | 253. | 89. | 99. | 246. | 522. | 811. | 1046. | 6776. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 16. | 85. | 77. | 18. | 1. | 0. | 0. | 202. |