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| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 69°F | 79°F | 74°F | 2.5" |
| February | 68°F | 79°F | 73°F | 3.0" |
| March | 69°F | 79°F | 74°F | 4.3" |
| April | 71°F | 80°F | 75°F | 1.9" |
| May | 72°F | 82°F | 76°F | 1.3" |
| June | 74°F | 83°F | 78°F | 1.1" |
| July | 74°F | 84°F | 78°F | 1.5" |
| August | 75°F | 85°F | 79°F | 1.2" |
| September | 75°F | 85°F | 80°F | 0.9" |
| October | 74°F | 84°F | 79°F | 2.2" |
| November | 72°F | 82°F | 77°F | 3.8" |
| December | 70°F | 80°F | 75°F | 4.3" |
| Index | Kaaawa | Hawaii | National |
| Air quality index | 30 | 59 | 42 |
| Pollution index | 2,893,180 | 3,576,767 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 347 |
| 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 | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.090% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Ewa Gentry, HI | 26,358 | 30 | 40.0% |
| Mililani Town, HI | 27,459 | 30 | 40.0% |
| Wahiawa, HI | 16,442 | 30 | 40.0% |
| Waipio Acres, HI | 5,556 | 30 | 40.0% |
| Kahuku, HI | 2,226 | 30 | 40.0% |
| Kaaawa, HI | 1,235 | 30 | 40.0% |
| City | Population | Air Quality Index | National Avg. |
| Brilliant, AL | 1,235 | 37 | 26.0% |
| Dilkon, AZ | 1,235 | 45 | 10.0% |
| Woodward, IA | 1,235 | 37 | 26.0% |
| Coleman, MI | 1,235 | 26 | 48.0% |
| Osceola, MO | 1,235 | 39 | 22.0% |
| Kaaawa, HI | 1,235 | 30 | 40.0% |
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