Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 7°F | 24°F | 15°F | 0.7" |
February | 8°F | 27°F | 17°F | 2.1" |
March | 24°F | 41°F | 31°F | 2.1" |
April | 36°F | 57°F | 45°F | 4.9" |
May | 47°F | 70°F | 58°F | 8.5" |
June | 58°F | 78°F | 67°F | 8.8" |
July | 62°F | 83°F | 72°F | 7.0" |
August | 59°F | 80°F | 69°F | 11.9" |
September | 52°F | 74°F | 61°F | 5.3" |
October | 39°F | 59°F | 48°F | 7.7" |
November | 27°F | 45°F | 35°F | 2.9" |
December | 12°F | 27°F | 20°F | 2.9" |
Index | Cosmos | Minnesota | National |
Air quality index | 32 | 35 | 42 |
Pollution index | 1,148,020 | 1,854,519 | 2,726,193 |
Measurement | Total |
Days measured | 344 |
Days with good air quality | 313 |
Days with moderate air quality | 31 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.050% |
Carbon Tetrachloride | 0.001% |
Lead | 0.020% |
Mercury | 0.020% |
City | Population | Air Quality Index | National Avg. |
Hector, MN | 1,093 | 32 | 36.0% |
Lake Lillian, MN | 258 | 32 | 36.0% |
Litchfield, MN | 6,640 | 32 | 36.0% |
Atwater, MN | 1,141 | 32 | 36.0% |
Darwin, MN | 302 | 32 | 36.0% |
Cosmos, MN | 524 | 32 | 36.0% |
City | Population | Air Quality Index | National Avg. |
Orleans, IA | 524 | 32 | 36.0% |
Washburn, IA | 524 | 39 | 22.0% |
Keithsburg, IL | 524 | 32 | 36.0% |
Patriot, IN | 524 | 54 | 8.0% |
Richmond, KS | 524 | 41 | 18.0% |
Cosmos, MN | 524 | 32 | 36.0% |