| ANNUAL | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | YEARS | # CITIES | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Temperature (F) | 21.4 | 5.6 | 3.9 | 5.1 | 14.6 | 27.7 | 36.7 | 41.1 | 40 | 33.1 | 22.8 | 15 | 9.8 | 27 | 50 |
| Average High Temperature (F) | 24.2 | 8 | 6.6 | 7.8 | 17.7 | 30.7 | 40.2 | 44.7 | 43.3 | 35.7 | 24.7 | 16.8 | 12.2 | 14 | 40 |
| Average Low Temperature (F) | 15.7 | -1.1 | -3.3 | -2.3 | 7.6 | 22.3 | 32.2 | 36.7 | 35.6 | 28.7 | 17.5 | 9 | 3.5 | 14 | 41 |
| Average Precipitation (in) | 25.1 | 2.1 | 2.1 | 1.7 | 1.7 | 1.8 | 1.8 | 1.7 | 2.2 | 2.8 | 2.7 | 2.4 | 2.1 | 52 | 27 |
| * Years is the average number of years used to compute the average. # Cities is the total number of locations used to compute the average. | |||||||||||||||