Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 9°F | 24°F | 16°F | 0.8" |
February | 11°F | 28°F | 18°F | 1.4" |
March | 26°F | 44°F | 33°F | 2.1" |
April | 37°F | 58°F | 46°F | 3.5" |
May | 48°F | 70°F | 58°F | 5.7" |
June | 58°F | 79°F | 68°F | 5.6" |
July | 62°F | 83°F | 72°F | 5.9" |
August | 59°F | 79°F | 69°F | 6.5" |
September | 52°F | 74°F | 61°F | 4.8" |
October | 39°F | 60°F | 48°F | 7.9" |
November | 26°F | 45°F | 34°F | 2.6" |
December | 12°F | 27°F | 19°F | 0.7" |
Index | Sibley | Iowa | National |
Air quality index | 36 | 39 | 50 |
Pollution index | 627,200 | 1,643,836 | 5,066,862 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 321 |
Days with moderate air quality | 43 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City, State | Population | Air Quality Index | National Avg. |
Ocheyedan, IA | 508 | 36 | 28% |
Melvin, IA | 235 | 36 | 28% |
Ashton, IA | 427 | 36 | 28% |
Round Lake, MN | 444 | 36 | 28% |
George, IA | 1,007 | 36 | 28% |
Sibley, IA | 2,667 | 36 | 28% |
City, State | Population | Air Quality Index | National Avg. |
Canadian Lakes, MI | 2,667 | 38 | 24% |
Munsons Corners, NY | 2,667 | 34 | 32% |
Tusculum, TN | 2,668 | 45 | 10% |
Van, TX | 2,666 | 36 | 28% |
Cathcart, WA | 2,665 | 45 | 10% |
Sibley, IA | 2,667 | 36 | 28% |