| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 57.7 | 61.1 | 64.0 | 68.9 | 75.7 | 81.9 | 87.0 | 86.2 | 82.5 | 74.3 | 65.1 | 57.3 | 71.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 45.7 | 48.2 | 50.7 | 53.8 | 59.0 | 64.0 | 67.9 | 67.2 | 64.5 | 57.4 | 50.6 | 44.9 | 56.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 33.7 | 35.2 | 37.4 | 38.8 | 42.4 | 46.0 | 48.7 | 48.1 | 46.6 | 40.5 | 36.2 | 32.6 | 40.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.22 | 3.22 | 2.69 | 1.01 | 0.40 | 0.10 | 0.00 | 0.01 | 0.20 | 0.72 | 1.86 | 2.63 | 16.06 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 598. | 472. | 443. | 337. | 199. | 78. | 24. | 23. | 73. | 243. | 431. | 621. | 3541. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 14. | 47. | 112. | 89. | 59. | 7. | 1. | 0. | 331. |