Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 8°F | 25°F | 16°F | 0.4" |
February | 10°F | 28°F | 18°F | 0.5" |
March | 25°F | 44°F | 33°F | 1.4" |
April | 36°F | 60°F | 46°F | 3.1" |
May | 47°F | 72°F | 59°F | 4.2" |
June | 58°F | 81°F | 69°F | 4.7" |
July | 61°F | 84°F | 72°F | 2.7" |
August | 59°F | 80°F | 69°F | 4.0" |
September | 50°F | 75°F | 62°F | 2.9" |
October | 38°F | 61°F | 49°F | 3.1" |
November | 25°F | 46°F | 35°F | 1.0" |
December | 12°F | 29°F | 20°F | 0.8" |
Index | Lone Rock | Iowa | National |
Air quality index | 15 | 39 | 42 |
Pollution index | 10,070,000 | 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 | 0.020% |
Benzene | 0.120% |
Carbon Tetrachloride | 0.001% |
Lead | 0.150% |
Mercury | 0.270% |
City | Population | Air Quality Index | National Avg. |
Armstrong, IA | 846 | 15 | 70.0% |
Ringsted, IA | 472 | 15 | 70.0% |
Cylinder, IA | 120 | 15 | 70.0% |
St. Benedict, IA | 24 | 15 | 70.0% |
Bancroft, IA | 719 | 15 | 70.0% |
Lone Rock, IA | 179 | 15 | 70.0% |
City | Population | Air Quality Index | National Avg. |
Briarcliff, AR | 179 | 36 | 28.0% |
Maish Vaya, AZ | 179 | 47 | 6.0% |
Camptonville, CA | 179 | 44 | 12.0% |
Melrose, IA | 179 | 39 | 22.0% |
Paton, IA | 179 | 37 | 26.0% |
Lone Rock, IA | 179 | 15 | 70.0% |