| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 3°F | 29°F | 15°F | 1.8" |
| February | 12°F | 39°F | 25°F | 1.3" |
| March | 19°F | 51°F | 34°F | 1.1" |
| April | 25°F | 62°F | 43°F | 1.9" |
| May | 33°F | 70°F | 52°F | 1.9" |
| June | 39°F | 80°F | 60°F | 3.0" |
| July | 46°F | 92°F | 70°F | 0.8" |
| August | 46°F | 87°F | 66°F | 1.4" |
| September | 37°F | 78°F | 57°F | 4.1" |
| October | 29°F | 64°F | 44°F | 3.2" |
| November | 17°F | 51°F | 32°F | 1.9" |
| December | 5°F | 31°F | 18°F | 2.6" |
| Index | Craig | Colorado | National |
| Air quality index | 49 | 38 | 42 |
| Pollution index | 100,830 | 2,068,342 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 223 |
| Days with moderate air quality | 125 |
| Days w/ poor A.Q. for sensitive groups | 12 |
| Days with unhealthy air quality | 4 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.004% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Craig, CO | 8,978 | 49 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Hernando, FL | 8,977 | 30 | 40.0% |
| Mechanicsburg, PA | 8,977 | 44 | 12.0% |
| Contrecoeur, QC | 8,977 | n/a | |
| Cambridge, MN | 8,975 | 46 | 8.0% |
| Harleysville, PA | 8,975 | 42 | 16.0% |
| Craig, CO | 8,978 | 49 | 2.0% |
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