Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 16°F | 33°F | 24°F | 2.2" |
February | 20°F | 34°F | 26°F | 3.0" |
March | 33°F | 52°F | 42°F | 3.7" |
April | 41°F | 63°F | 51°F | 6.9" |
May | 52°F | 75°F | 63°F | 8.3" |
June | 62°F | 82°F | 72°F | 7.5" |
July | 66°F | 86°F | 76°F | 8.9" |
August | 63°F | 84°F | 73°F | 7.8" |
September | 54°F | 77°F | 64°F | 4.7" |
October | 43°F | 66°F | 53°F | 5.8" |
November | 31°F | 50°F | 40°F | 6.8" |
December | 18°F | 34°F | 26°F | 3.5" |
Index | Grand Mound | Iowa | National |
Air quality index | 46 | 39 | 42 |
Pollution index | 3,556,270 | 1,154,535 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 217 |
Days with moderate air quality | 145 |
Days w/ poor A.Q. for sensitive groups | 3 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.060% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.002% |
Lead | 0.020% |
Mercury | 0.040% |
City | Population | Air Quality Index | National Avg. |
DeWitt, IA | 5,215 | 42 | 16.0% |
Charlotte, IA | 378 | 42 | 16.0% |
Goose Lake, IA | 298 | 42 | 16.0% |
Delmar, IA | 491 | 42 | 16.0% |
McCausland, IA | 379 | 42 | 16.0% |
Grand Mound, IA | 552 | 46 | 8.0% |
City | Population | Air Quality Index | National Avg. |
Mountainburg, AR | 552 | 36 | 28.0% |
Graeagle, CA | 552 | 44 | 12.0% |
Shiloh, GA | 552 | 42 | 16.0% |
Whigham, GA | 552 | 40 | 20.0% |
Cecilia, KY | 552 | 39 | 22.0% |
Grand Mound, IA | 552 | 46 | 8.0% |