Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 32°F | 54°F | 42°F | 4.5" |
February | 35°F | 57°F | 45°F | 3.7" |
March | 44°F | 67°F | 55°F | 5.4" |
April | 52°F | 77°F | 64°F | 5.9" |
May | 61°F | 83°F | 72°F | 5.8" |
June | 71°F | 92°F | 81°F | 3.6" |
July | 73°F | 93°F | 83°F | 4.6" |
August | 73°F | 93°F | 83°F | 3.9" |
September | 66°F | 88°F | 76°F | 3.4" |
October | 53°F | 78°F | 64°F | 3.7" |
November | 42°F | 66°F | 53°F | 4.2" |
December | 35°F | 56°F | 45°F | 5.6" |
Index | Walls | Mississippi | National |
Air quality index | 45 | 40 | 42 |
Pollution index | 852,142 | 1,514,109 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 221 |
Days with moderate air quality | 139 |
Days w/ poor A.Q. for sensitive groups | 5 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.001% |
Lead | 0.005% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Memphis, TN | 650,910 | 45 | 10.0% |
Hernando, MS | 16,206 | 45 | 10.0% |
West Memphis, AR | 24,656 | 45 | 10.0% |
Horseshoe Lake, AR | 435 | 45 | 10.0% |
Horn Lake, MS | 27,234 | 45 | 10.0% |
Walls, MS | 1,415 | 45 | 10.0% |
City | Population | Air Quality Index | National Avg. |
Boswell, PA | 1,415 | 36 | 28.0% |
Calumet, PA | 1,415 | 36 | 28.0% |
Serenada, TX | 1,415 | 42 | 16.0% |
Moosonee, ON | 1,415 | n/a | |
Prudhoe Bay, AK | 1,416 | 38 | 24.0% |
Walls, MS | 1,415 | 45 | 10.0% |