Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 13°F | 40°F | 26°F | 0.3" |
February | 15°F | 41°F | 27°F | 0.5" |
March | 25°F | 55°F | 38°F | 0.7" |
April | 30°F | 60°F | 44°F | 1.7" |
May | 38°F | 69°F | 52°F | 2.8" |
June | 48°F | 83°F | 65°F | 1.3" |
July | 56°F | 92°F | 73°F | 0.9" |
August | 53°F | 89°F | 70°F | 1.0" |
September | 43°F | 80°F | 60°F | 0.8" |
October | 32°F | 63°F | 46°F | 1.0" |
November | 22°F | 52°F | 36°F | 0.3" |
December | 11°F | 38°F | 24°F | 0.4" |
Index | Douglas | Wyoming | National |
Air quality index | 42 | 39 | 42 |
Pollution index | 873,248 | 1,779,975 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 327 |
Days with moderate air quality | 37 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.050% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.020% |
Mercury | 0.140% |
City | Population | Air Quality Index | National Avg. |
Orin, WY | 87 | 42 | 16.0% |
Douglas, WY | 6,369 | 42 | 16.0% |
City | Population | Air Quality Index | National Avg. |
St. John, MO | 6,369 | 54 | 8.0% |
Air Force Academy, CO | 6,368 | 45 | 10.0% |
Clover, SC | 6,370 | 49 | 2.0% |
Iowa Park, TX | 6,370 | 26 | 48.0% |
Fowler, CA | 6,366 | 60 | 20.0% |
Douglas, WY | 6,369 | 42 | 16.0% |