Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 15°F | 33°F | 24°F | 0.7" |
February | 17°F | 36°F | 26°F | 1.1" |
March | 31°F | 52°F | 40°F | 2.3" |
April | 41°F | 65°F | 52°F | 4.7" |
May | 51°F | 74°F | 62°F | 5.0" |
June | 62°F | 83°F | 72°F | 6.5" |
July | 65°F | 86°F | 75°F | 4.5" |
August | 63°F | 84°F | 73°F | 5.2" |
September | 54°F | 78°F | 65°F | 3.7" |
October | 43°F | 65°F | 53°F | 3.0" |
November | 32°F | 52°F | 41°F | 2.0" |
December | 20°F | 36°F | 28°F | 1.9" |
Index | Mystic | Iowa | National |
Air quality index | 39 | 39 | 42 |
Pollution index | 1,228,210 | 1,154,535 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 306 |
Days with moderate air quality | 59 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.001% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Moulton, IA | 640 | 29 | 42.0% |
Exline, IA | 144 | 39 | 22.0% |
Promise City, IA | 72 | 39 | 22.0% |
Udell, IA | 37 | 39 | 22.0% |
Seymour, IA | 521 | 39 | 22.0% |
Mystic, IA | 317 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Gillsville, GA | 317 | 37 | 26.0% |
Maunaloa, HI | 317 | 30 | 40.0% |
Granville, IA | 317 | 35 | 30.0% |
Ute, IA | 317 | 35 | 30.0% |
East Carondelet, IL | 317 | 54 | 8.0% |
Mystic, IA | 317 | 39 | 22.0% |