| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 21°F | 45°F | 31°F | 1.8" |
| February | 22°F | 46°F | 32°F | 2.0" |
| March | 30°F | 58°F | 42°F | 2.1" |
| April | 35°F | 63°F | 47°F | 4.0" |
| May | 44°F | 70°F | 55°F | 5.2" |
| June | 54°F | 84°F | 68°F | 4.6" |
| July | 60°F | 89°F | 73°F | 5.7" |
| August | 59°F | 87°F | 71°F | 4.5" |
| September | 51°F | 79°F | 63°F | 5.7" |
| October | 39°F | 67°F | 51°F | 4.1" |
| November | 29°F | 56°F | 41°F | 2.2" |
| December | 19°F | 44°F | 30°F | 2.9" |
| Index | Lakeshore | Aurora | Colorado |
| Air quality index | 58 | 58 | 38 |
| Pollution index | 10,406,900 | 10,406,900 | 2,068,342 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 91 |
| Days with moderate air quality | 252 |
| Days w/ poor A.Q. for sensitive groups | 20 |
| Days with unhealthy air quality | 2 |
| Pollutant | Total |
| Arsenic | 0.080% |
| Benzene | 0.070% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.250% |
| Mercury | 0.100% |
| City | Population | Air Quality Index | National Avg. |
| Thornton, CO | 144,186 | 58 | 16.0% |
| Greenwood Village, CO | 15,100 | 58 | 16.0% |
| Commerce City, CO | 55,891 | 58 | 16.0% |
| Lakeside, CO | 6 | 58 | 16.0% |
| Twin Lakes, CO | 7,552 | 58 | 16.0% |
| Aurora, CO | 379,434 | 58 | 16.0% |
| City | Population | Air Quality Index | National Avg. |
| Bakersfield, CA | 379,879 | 67 | 34.0% |
| Cleveland, OH | 383,331 | 50 | = 100 |
| Wichita, KS | 390,566 | 40 | 20.0% |
| New Orleans, LA | 391,249 | 45 | 10.0% |
| Tampa, FL | 395,912 | 43 | 14.0% |
| Aurora, CO | 379,434 | 58 | 16.0% |
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