| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.4 | 45.7 | 53.6 | 59.3 | 68.6 | 78.4 | 88.6 | 87.0 | 77.3 | 64.5 | 49.2 | 39.0 | 62.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.1 | 34.9 | 42.0 | 46.5 | 55.5 | 63.9 | 73.6 | 71.4 | 62.2 | 50.8 | 38.3 | 29.7 | 50.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.7 | 24.1 | 30.3 | 33.6 | 42.4 | 49.4 | 58.6 | 55.7 | 47.1 | 37.1 | 27.4 | 20.4 | 37.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.82 | 0.96 | 0.87 | 0.86 | 1.12 | 0.80 | 0.35 | 0.31 | 0.45 | 0.64 | 0.89 | 0.98 | 9.05 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1052. | 843. | 715. | 557. | 316. | 116. | 12. | 23. | 142. | 442. | 801. | 1094. | 6111. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 21. | 83. | 278. | 219. | 58. | 2. | 0. | 0. | 662. |