| ANNUAL | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | YEARS | # CITIES | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Temperature (F) | 36.8 | 7.2 | 10.2 | 21.5 | 35.6 | 48.7 | 58.3 | 63.5 | 61.3 | 52.4 | 41.5 | 29.4 | 14.2 | 33 | 381 |
| Average High Temperature (F) | 46 | 17 | 20.5 | 31.3 | 44.6 | 59.3 | 68.9 | 73.8 | 71.3 | 61.7 | 49.4 | 35.9 | 22.6 | 33 | 374 |
| Average Low Temperature (F) | 27.8 | -2.3 | 0.2 | 11.9 | 26.7 | 38.3 | 47.8 | 53.3 | 51.5 | 43.3 | 33.7 | 22.8 | 5.9 | 33 | 374 |
| Average Precipitation (in) | 39.9 | 2.9 | 2.3 | 2.7 | 2.7 | 3.3 | 3.8 | 4.1 | 4.1 | 3.9 | 3.5 | 3.4 | 3.2 | 34 | 385 |
| * Years is the average number of years used to compute the average. # Cities is the total number of locations used to compute the average. | |||||||||||||||