Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 34°F | 56°F | 44°F | 2.5" |
February | 38°F | 60°F | 47°F | 2.1" |
March | 47°F | 69°F | 56°F | 2.9" |
April | 54°F | 76°F | 64°F | 4.7" |
May | 61°F | 82°F | 71°F | 5.6" |
June | 71°F | 91°F | 81°F | 4.5" |
July | 74°F | 95°F | 84°F | 3.1" |
August | 74°F | 96°F | 84°F | 3.1" |
September | 67°F | 89°F | 77°F | 2.9" |
October | 56°F | 79°F | 66°F | 3.1" |
November | 46°F | 67°F | 56°F | 2.9" |
December | 37°F | 56°F | 45°F | 2.6" |
Index | Sherman | Texas | National |
Air quality index | 325 | 52 | 42 |
Pollution index | 8,884,190 | 2,009,300 | 2,726,193 |
Measurement | Total |
Days measured | 138 |
Days with good air quality | 120 |
Days with moderate air quality | 17 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.040% |
Lead | 0.260% |
Mercury | 0.020% |
City | Population | Air Quality Index | National Avg. |
Pottsboro, TX | 2,418 | 325 | 550.0% |
Whitewright, TX | 1,594 | 325 | 550.0% |
Knollwood, TX | 405 | 325 | 550.0% |
Achille, OK | 376 | 325 | 550.0% |
Dorchester, TX | 39 | 325 | 550.0% |
Sherman, TX | 43,239 | 325 | 550.0% |
City | Population | Air Quality Index | National Avg. |
Ormond Beach, FL | 43,245 | 31 | 38.0% |
Rouyn-Noranda, QC | 43,276 | n/a | |
Salem, MA | 43,350 | 43 | 14.0% |
Channelview, TX | 43,378 | 52 | 4.0% |
Moorhead, MN | 43,409 | 33 | 34.0% |
Sherman, TX | 43,239 | 325 | 550.0% |