| ANNUAL | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | YEARS | # CITIES | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Temperature (F) | 31.1 | -5.9 | 0.3 | 17.1 | 34.8 | 48.8 | 59.4 | 62.9 | 59.6 | 47.9 | 32.8 | 13.3 | -0.9 | 21 | 75 |
| Average High Temperature (F) | 43.8 | 5.7 | 15.2 | 31.8 | 48.1 | 62.1 | 71.6 | 73.7 | 72.1 | 61.6 | 46.7 | 25.4 | 12 | 8 | 26 |
| Average Low Temperature (F) | 20 | -16.2 | -10.3 | 5.7 | 22.7 | 35.5 | 47.3 | 52.7 | 49.6 | 36.8 | 21.1 | 3.1 | -9.1 | 8 | 26 |
| Average Precipitation (in) | 9.1 | 0.1 | 0.1 | 0.2 | 0.3 | 0.5 | 1.6 | 2.6 | 2.2 | 0.9 | 0.3 | 0.2 | 0.1 | 28 | 74 |
| * Years is the average number of years used to compute the average. # Cities is the total number of locations used to compute the average. | |||||||||||||||