| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.5 | 47.9 | 57.5 | 64.8 | 72.8 | 79.7 | 88.6 | 87.5 | 78.7 | 65.2 | 50.5 | 39.6 | 64.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 34.9 | 38.5 | 45.9 | 52.1 | 59.7 | 66.5 | 73.5 | 72.3 | 63.4 | 51.9 | 41.6 | 33.5 | 52.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 28.2 | 29.2 | 34.2 | 39.5 | 46.6 | 53.2 | 58.3 | 57.1 | 48.1 | 38.6 | 32.8 | 27.4 | 41.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.28 | 0.96 | 0.87 | 0.88 | 1.12 | 0.59 | 0.22 | 0.20 | 0.44 | 0.72 | 1.19 | 1.45 | 9.92 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 935. | 740. | 594. | 387. | 198. | 57. | 8. | 8. | 106. | 407. | 701. | 976. | 5117. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 34. | 101. | 270. | 234. | 58. | 1. | 0. | 0. | 699. |