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 | Mason | Tennessee | National |
Air quality index | 45 | 76 | 42 |
Pollution index | 20,539,300 | 2,454,916 | 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 | 0.060% |
Benzene | 0.210% |
Carbon Tetrachloride | 0.060% |
Lead | 0.170% |
Mercury | 0.110% |
City | Population | Air Quality Index | National Avg. |
Covington, TN | 8,863 | 26 | 48.0% |
Stanton, TN | 547 | 27 | 46.0% |
Braden, TN | 357 | 45 | 10.0% |
Garland, TN | 329 | 45 | 10.0% |
Atoka, TN | 9,407 | 45 | 10.0% |
Mason, TN | 1,120 | 45 | 10.0% |
City | Population | Air Quality Index | National Avg. |
Brookside, AL | 1,120 | 53 | 6.0% |
Sheridan, CA | 1,120 | 44 | 12.0% |
Goreville, IL | 1,120 | 44 | 12.0% |
Fabrica, TX | 1,120 | 25 | 50.0% |
Minto-Odanah, MB | 1,120 | n/a | |
Mason, TN | 1,120 | 45 | 10.0% |