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				| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation | 
| January | 19°F | 46°F | 32°F | 0.5" | 
| February | 20°F | 48°F | 33°F | 0.5" | 
| March | 28°F | 58°F | 42°F | 0.9" | 
| April | 33°F | 63°F | 47°F | 2.0" | 
| May | 42°F | 70°F | 55°F | 2.3" | 
| June | 53°F | 85°F | 68°F | 2.0" | 
| July | 59°F | 88°F | 73°F | 2.3" | 
| August | 57°F | 86°F | 71°F | 2.1" | 
| September | 49°F | 79°F | 63°F | 1.7" | 
| October | 37°F | 67°F | 51°F | 1.3" | 
| November | 28°F | 58°F | 41°F | 0.4" | 
| December | 18°F | 45°F | 30°F | 0.5" | 
| Index | Castle Pines Village | Colorado | National | 
| Air quality index | 58 | 38 | 42 | 
| Pollution index | 340,448 | 2,068,342 | 2,726,193 | 
| 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 | 0.000% | 
| Benzene | 0.010% | 
| Carbon Tetrachloride | 0.001% | 
| Lead | 0.080% | 
| Mercury | 0.005% | 
| City | Population | Air Quality Index | National Avg. | 
| Larkspur, CO | 244 | 45 | 10.0% | 
| Perry Park, CO | 1,821 | 45 | 10.0% | 
| Cherry Hills Village, CO | 6,680 | 58 | 16.0% | 
| Castle Rock, CO | 65,176 | 58 | 16.0% | 
| Roxborough Park, CO | 9,004 | 58 | 16.0% | 
| Castle Pines Village, CO | 4,558 | 58 | 16.0% | 
| City | Population | Air Quality Index | National Avg. | 
| Avalon, PA | 4,558 | 56 | 12.0% | 
| Sunnyside, CA | 4,557 | 60 | 20.0% | 
| Luverne, MN | 4,557 | 36 | 28.0% | 
| Belfair, WA | 4,557 | 18 | 64.0% | 
| Haskell, AR | 4,559 | 45 | 10.0% | 
| Castle Pines Village, CO | 4,558 | 58 | 16.0% |