Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 6°F | 25°F | 15°F | 6.8" |
February | 10°F | 31°F | 20°F | 2.6" |
March | 22°F | 45°F | 33°F | 1.9" |
April | 34°F | 59°F | 46°F | 2.3" |
May | 45°F | 70°F | 57°F | 4.2" |
June | 56°F | 80°F | 68°F | 5.5" |
July | 60°F | 84°F | 72°F | 3.6" |
August | 57°F | 81°F | 69°F | 3.9" |
September | 49°F | 75°F | 61°F | 2.2" |
October | 36°F | 61°F | 48°F | 2.5" |
November | 24°F | 46°F | 34°F | 1.2" |
December | 10°F | 28°F | 19°F | 3.4" |
Index | Garretson | South Dakota | National |
Air quality index | 36 | 36 | 42 |
Pollution index | 2,464,570 | 345,623 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 321 |
Days with moderate air quality | 43 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.010% |
Lead | 0.020% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Luverne, MN | 4,557 | 36 | 28.0% |
Jasper, MN | 671 | 36 | 28.0% |
Dell Rapids, SD | 3,678 | 36 | 28.0% |
Sherman, SD | 40 | 36 | 28.0% |
Steen, MN | 139 | 36 | 28.0% |
Garretson, SD | 1,493 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Bedford, IA | 1,493 | 43 | 14.0% |
Traer, IA | 1,493 | 39 | 22.0% |
Durand, IL | 1,493 | 42 | 16.0% |
Redkey, IN | 1,493 | 35 | 30.0% |
Naples, TX | 1,493 | 39 | 22.0% |
Garretson, SD | 1,493 | 36 | 28.0% |