Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 16°F | 35°F | 24°F | 0.8" |
February | 18°F | 37°F | 27°F | 1.3" |
March | 32°F | 54°F | 41°F | 2.5" |
April | 42°F | 65°F | 52°F | 4.9" |
May | 52°F | 73°F | 62°F | 5.8" |
June | 63°F | 83°F | 72°F | 6.1" |
July | 66°F | 87°F | 76°F | 3.9" |
August | 64°F | 84°F | 74°F | 6.4" |
September | 56°F | 77°F | 66°F | 3.7" |
October | 44°F | 65°F | 54°F | 3.3" |
November | 33°F | 52°F | 41°F | 2.2" |
December | 21°F | 38°F | 28°F | 2.0" |
Index | Delphos | Iowa | National |
Air quality index | 43 | 39 | 42 |
Pollution index | 1,369,890 | 1,154,535 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 283 |
Days with moderate air quality | 82 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.002% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Ellston, IA | 37 | 39 | 22.0% |
Sun Valley Lake, IA | 188 | 39 | 22.0% |
Mount Ayr, IA | 1,988 | 39 | 22.0% |
Tingley, IA | 105 | 39 | 22.0% |
Clearfield, IA | 429 | 39 | 22.0% |
Delphos, IA | 44 | 43 | 14.0% |
City | Population | Air Quality Index | National Avg. |
Ocotillo, CA | 44 | 58 | 16.0% |
Whitley Gardens, CA | 44 | 46 | 8.0% |
Crestone, CO | 44 | 16 | 68.0% |
Lynn, CO | 44 | 20 | 60.0% |
Fenwick, CT | 44 | 37 | 26.0% |
Delphos, IA | 44 | 43 | 14.0% |