Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 25°F | 44°F | 33°F | 5.3" |
February | 27°F | 47°F | 35°F | 4.6" |
March | 37°F | 59°F | 47°F | 6.2" |
April | 47°F | 69°F | 57°F | 9.5" |
May | 55°F | 76°F | 65°F | 8.4" |
June | 64°F | 86°F | 74°F | 6.1" |
July | 67°F | 88°F | 77°F | 9.0" |
August | 66°F | 87°F | 75°F | 9.8" |
September | 58°F | 80°F | 68°F | 7.6" |
October | 47°F | 69°F | 57°F | 7.0" |
November | 37°F | 57°F | 46°F | 8.3" |
December | 28°F | 45°F | 36°F | 4.6" |
Index | Des Arc | Missouri | National |
Air quality index | 54 | 97 | 42 |
Pollution index | 1,622,570 | 1,630,255 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 134 |
Days with moderate air quality | 221 |
Days w/ poor A.Q. for sensitive groups | 8 |
Days with unhealthy air quality | 2 |
Pollutant | Total |
Arsenic | 0.230% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.770% |
Mercury | 0.210% |
City | Population | Air Quality Index | National Avg. |
Greenville, MO | 519 | 26 | 48.0% |
Piedmont, MO | 3,550 | 54 | 8.0% |
Annapolis, MO | 378 | 54 | 8.0% |
Des Arc, MO | 276 | 54 | 8.0% |
City | Population | Air Quality Index | National Avg. |
Olsburg, KS | 276 | 32 | 36.0% |
Henderson Point, MS | 276 | 42 | 16.0% |
Castalia, NC | 276 | 36 | 28.0% |
Edmore, ND | 276 | 33 | 34.0% |
Pilger, NE | 276 | 35 | 30.0% |
Des Arc, MO | 276 | 54 | 8.0% |