Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 8°F | 25°F | 16°F | 0.4" |
February | 11°F | 29°F | 19°F | 0.7" |
March | 24°F | 42°F | 32°F | 1.7" |
April | 35°F | 57°F | 45°F | 2.7" |
May | 46°F | 70°F | 57°F | 4.4" |
June | 57°F | 79°F | 67°F | 6.6" |
July | 62°F | 84°F | 73°F | 6.9" |
August | 59°F | 80°F | 69°F | 7.0" |
September | 50°F | 73°F | 61°F | 8.2" |
October | 38°F | 59°F | 47°F | 5.0" |
November | 25°F | 46°F | 34°F | 1.5" |
December | 11°F | 28°F | 18°F | 1.6" |
Index | Lake Madison | South Dakota | National |
Air quality index | 42 | 36 | 42 |
Pollution index | 1,169,770 | 345,623 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 284 |
Days with moderate air quality | 76 |
Days w/ poor A.Q. for sensitive groups | 5 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.002% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Chester, SD | 285 | 36 | 28.0% |
Brant Lake, SD | 66 | 42 | 16.0% |
Winfred, SD | 68 | 42 | 16.0% |
Colman, SD | 683 | 42 | 16.0% |
Madison, SD | 7,249 | 42 | 16.0% |
Lake Madison, SD | 811 | 42 | 16.0% |
City | Population | Air Quality Index | National Avg. |
Jasper, AR | 811 | 36 | 28.0% |
Indio Hills, CA | 811 | 89 | 78.0% |
Lecompte, LA | 811 | 30 | 40.0% |
Spring Hill, PA | 811 | 39 | 22.0% |
Wessington Springs, SD | 811 | 42 | 16.0% |
Lake Madison, SD | 811 | 42 | 16.0% |