Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 10°F | 37°F | 22°F | 0.5" |
February | 13°F | 43°F | 27°F | 0.6" |
March | 26°F | 59°F | 40°F | 0.9" |
April | 32°F | 62°F | 46°F | 2.3" |
May | 42°F | 73°F | 57°F | 3.7" |
June | 54°F | 86°F | 69°F | 3.9" |
July | 61°F | 95°F | 78°F | 9.8" |
August | 59°F | 90°F | 73°F | 4.8" |
September | 48°F | 83°F | 64°F | 1.4" |
October | 35°F | 67°F | 49°F | 4.0" |
November | 22°F | 55°F | 37°F | 0.1" |
December | 10°F | 34°F | 22°F | 0.9" |
Index | White Clay | Nebraska | National |
Air quality index | 44 | 86 | 42 |
Pollution index | 193,792 | 590,627 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 274 |
Days with moderate air quality | 87 |
Days w/ poor A.Q. for sensitive groups | 4 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.004% |
Carbon Tetrachloride | 0.001% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Oglala, SD | 1,816 | 44 | 12.0% |
Pine Ridge, SD | 2,984 | 44 | 12.0% |
Wounded Knee, SD | 197 | 44 | 12.0% |
White Clay, NE | 0 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Chase, AK | 0 | 31 | 38.0% |
Chiniak, AK | 0 | 31 | 38.0% |
Chisana, AK | 0 | 31 | 38.0% |
Dot Lake, AK | 0 | 38 | 24.0% |
Eureka Roadhouse, AK | 0 | 31 | 38.0% |
White Clay, NE | 0 | 44 | 12.0% |