Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 35°F | 59°F | 45°F | 5.7" |
February | 38°F | 64°F | 49°F | 2.3" |
March | 47°F | 74°F | 58°F | 3.4" |
April | 54°F | 81°F | 66°F | 5.3" |
May | 61°F | 86°F | 72°F | 7.2" |
June | 70°F | 93°F | 81°F | 7.8" |
July | 72°F | 95°F | 83°F | 8.5" |
August | 72°F | 95°F | 82°F | 3.7" |
September | 66°F | 87°F | 75°F | 7.1" |
October | 56°F | 79°F | 66°F | 6.3" |
November | 45°F | 69°F | 55°F | 8.4" |
December | 37°F | 59°F | 46°F | 4.3" |
Index | Roby | Texas | National |
Air quality index | 25 | 52 | 42 |
Pollution index | 122,809 | 2,009,300 | 2,726,193 |
Measurement | Total |
Days measured | 330 |
Days with good air quality | 316 |
Days with moderate air quality | 13 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.003% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Hamlin, TX | 1,810 | 25 | 50.0% |
Rotan, TX | 1,286 | 25 | 50.0% |
Roby, TX | 799 | 25 | 50.0% |
City | Population | Air Quality Index | National Avg. |
Keystone, CO | 799 | 47 | 6.0% |
Upper Bear Creek, CO | 799 | 47 | 6.0% |
Crossville, IL | 799 | 45 | 10.0% |
Truesdale, MO | 799 | 54 | 8.0% |
Lost City, OK | 799 | 36 | 28.0% |
Roby, TX | 799 | 25 | 50.0% |