| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 44°F | 63°F | 53°F | 5.2" |
| February | 46°F | 66°F | 55°F | 5.9" |
| March | 53°F | 72°F | 62°F | 5.1" |
| April | 60°F | 78°F | 68°F | 7.0" |
| May | 67°F | 84°F | 75°F | 5.2" |
| June | 74°F | 90°F | 81°F | 7.1" |
| July | 76°F | 91°F | 82°F | 7.9" |
| August | 75°F | 91°F | 82°F | 8.3" |
| September | 72°F | 88°F | 79°F | 6.4" |
| October | 61°F | 81°F | 70°F | 5.8" |
| November | 51°F | 72°F | 61°F | 4.1" |
| December | 48°F | 66°F | 56°F | 5.9" |
| Index | Brent | Florida | National |
| Air quality index | 41 | 35 | 42 |
| Pollution index | 4,186,460 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 279 |
| Days with moderate air quality | 85 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.050% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Myrtle Grove, FL | 17,140 | 41 | 18.0% |
| East Milton, FL | 14,388 | 41 | 18.0% |
| Harold, FL | 1,070 | 41 | 18.0% |
| Pea Ridge, FL | 4,817 | 41 | 18.0% |
| Goulding, FL | 3,906 | 41 | 18.0% |
| Brent, FL | 21,816 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Clarksville, IN | 21,825 | 49 | 2.0% |
| New Castle, PA | 21,805 | 31 | 38.0% |
| Camp Springs, MD | 21,829 | 47 | 6.0% |
| Hazel Dell, WA | 21,830 | 38 | 24.0% |
| Kings, Subd. A, NS | 21,831 | n/a | |
| Brent, FL | 21,816 | 41 | 18.0% |
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