| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 55°F | 44°F | 8.9" |
| February | 38°F | 58°F | 47°F | 10.4" |
| March | 47°F | 68°F | 56°F | 11.1" |
| April | 54°F | 76°F | 64°F | 15.2" |
| May | 61°F | 82°F | 71°F | 9.3" |
| June | 69°F | 90°F | 79°F | 7.9" |
| July | 72°F | 92°F | 81°F | 4.2" |
| August | 71°F | 92°F | 80°F | 7.0" |
| September | 65°F | 87°F | 75°F | 8.4" |
| October | 53°F | 77°F | 64°F | 4.6" |
| November | 43°F | 66°F | 53°F | 3.4" |
| December | 39°F | 57°F | 47°F | 8.8" |
| Index | Crawford | Mississippi | National |
| Air quality index | 36 | 40 | 42 |
| Pollution index | 765,692 | 1,514,109 | 2,726,193 |
| Measurement | Total |
| Days measured | 245 |
| Days with good air quality | 229 |
| Days with moderate air quality | 16 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.003% |
| City | Population | Air Quality Index | National Avg. |
| Columbus, MS | 23,853 | 35 | 30.0% |
| Brooksville, MS | 1,123 | 36 | 28.0% |
| Macon, MS | 3,069 | 36 | 28.0% |
| Artesia, MS | 356 | 39 | 22.0% |
| Mississippi State, MS | 3,494 | 39 | 22.0% |
| Crawford, MS | 423 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Oxford Junction, IA | 423 | 46 | 8.0% |
| Little York, IL | 423 | 32 | 36.0% |
| New Haven, IL | 423 | 45 | 10.0% |
| Advance, IN | 423 | 54 | 8.0% |
| New Strawn, KS | 423 | 22 | 56.0% |
| Crawford, MS | 423 | 36 | 28.0% |
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