Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 10°F | 27°F | 18°F | 2.1" |
February | 14°F | 32°F | 22°F | 3.7" |
March | 28°F | 46°F | 35°F | 3.9" |
April | 38°F | 61°F | 48°F | 4.8" |
May | 49°F | 72°F | 60°F | 6.4" |
June | 60°F | 81°F | 70°F | 7.8" |
July | 63°F | 84°F | 73°F | 7.3" |
August | 60°F | 81°F | 70°F | 6.7" |
September | 52°F | 77°F | 63°F | 4.7" |
October | 40°F | 63°F | 50°F | 7.2" |
November | 28°F | 48°F | 37°F | 4.5" |
December | 16°F | 31°F | 23°F | 2.5" |
Index | Coulter | Iowa | National |
Air quality index | 15 | 39 | 42 |
Pollution index | 1,013,960 | 1,154,535 | 2,726,193 |
Measurement | Total |
Days measured | 118 |
Days with good air quality | 118 |
Days with moderate air quality | 0 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.001% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Belmond, IA | 2,419 | 15 | 70.0% |
Chapin, IA | 162 | 15 | 70.0% |
Galt, IA | 35 | 15 | 70.0% |
Hansell, IA | 122 | 15 | 70.0% |
Goodell, IA | 112 | 15 | 70.0% |
Coulter, IA | 205 | 15 | 70.0% |
City | Population | Air Quality Index | National Avg. |
College City, CA | 205 | 44 | 12.0% |
Castana, IA | 205 | 35 | 30.0% |
Sherrill, IA | 205 | 29 | 42.0% |
Onaway, ID | 205 | 10 | 80.0% |
Bienville, LA | 205 | 39 | 22.0% |
Coulter, IA | 205 | 15 | 70.0% |