| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 25°F | 44°F | 34°F | 4.2" |
| February | 25°F | 47°F | 35°F | 3.4" |
| March | 35°F | 59°F | 46°F | 4.1" |
| April | 45°F | 70°F | 57°F | 5.7" |
| May | 53°F | 77°F | 65°F | 5.0" |
| June | 62°F | 86°F | 74°F | 5.2" |
| July | 65°F | 88°F | 76°F | 6.1" |
| August | 64°F | 88°F | 76°F | 4.7" |
| September | 57°F | 82°F | 69°F | 3.9" |
| October | 46°F | 71°F | 57°F | 4.0" |
| November | 35°F | 59°F | 46°F | 3.0" |
| December | 29°F | 48°F | 38°F | 5.2" |
| Index | Stanford | Kentucky | National |
| Air quality index | 33 | 45 | 42 |
| Pollution index | 445,726 | 1,369,131 | 2,726,193 |
| Measurement | Total |
| Days measured | 114 |
| Days with good air quality | 96 |
| Days with moderate air quality | 18 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.005% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Brodhead, KY | 1,551 | 33 | 34.0% |
| Danville, KY | 16,801 | 33 | 34.0% |
| Crab Orchard, KY | 717 | 33 | 34.0% |
| Junction City, KY | 1,944 | 33 | 34.0% |
| Lancaster, KY | 3,837 | 33 | 34.0% |
| Stanford, KY | 3,673 | 33 | 34.0% |
| City | Population | Air Quality Index | National Avg. |
| Nowata, OK | 3,673 | 45 | 10.0% |
| Port Vue, PA | 3,673 | 56 | 12.0% |
| Manti, UT | 3,671 | 46 | 8.0% |
| Hidden Meadows, CA | 3,675 | 64 | 28.0% |
| Lake Land'Or, VA | 3,675 | 44 | 12.0% |
| Stanford, KY | 3,673 | 33 | 34.0% |
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