Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 3°F | 25°F | 11°F | 0.2" |
February | 7°F | 26°F | 14°F | 0.5" |
March | 22°F | 41°F | 30°F | 1.0" |
April | 35°F | 58°F | 46°F | 3.8" |
May | 48°F | 71°F | 58°F | 4.0" |
June | 60°F | 81°F | 70°F | 5.6" |
July | 62°F | 86°F | 73°F | 0.3" |
August | 58°F | 81°F | 67°F | 3.5" |
September | 52°F | 77°F | 62°F | 3.9" |
October | 40°F | 62°F | 49°F | 1.6" |
November | 24°F | 43°F | 31°F | 1.1" |
December | 7°F | 24°F | 14°F | 0.6" |
Index | Cow Creek | South Dakota | National |
Air quality index | 20 | 36 | 42 |
Pollution index | 169,729 | 345,623 | 2,726,193 |
Measurement | Total |
Days measured | 122 |
Days with good air quality | 112 |
Days with moderate air quality | 10 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.002% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Fort Pierre, SD | 2,487 | 20 | 60.0% |
Pierre, SD | 13,908 | 20 | 60.0% |
Cow Creek, SD | 90 | 20 | 60.0% |
City | Population | Air Quality Index | National Avg. |
Utting, AZ | 90 | 13 | 74.0% |
C-Road, CA | 90 | 44 | 12.0% |
Darwin, CA | 90 | 15 | 70.0% |
Tarrytown, GA | 90 | 26 | 48.0% |
Odin, KS | 90 | 40 | 20.0% |
Cow Creek, SD | 90 | 20 | 60.0% |