Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 26°F | 43°F | 33°F | 9.7" |
February | 27°F | 46°F | 35°F | 3.9" |
March | 38°F | 62°F | 49°F | 4.6" |
April | 45°F | 68°F | 56°F | 6.4" |
May | 57°F | 79°F | 68°F | 3.6" |
June | 66°F | 87°F | 76°F | 8.9" |
July | 67°F | 90°F | 79°F | 2.3" |
August | 70°F | 91°F | 80°F | 13.2" |
September | 61°F | 83°F | 71°F | 7.3" |
October | 49°F | 71°F | 59°F | 4.0" |
November | 37°F | 59°F | 47°F | 4.3" |
December | 26°F | 43°F | 34°F | 4.1" |
Index | St. Thomas | Missouri | National |
Air quality index | 39 | 97 | 42 |
Pollution index | 803,186 | 1,630,255 | 2,726,193 |
Measurement | Total |
Days measured | 245 |
Days with good air quality | 238 |
Days with moderate air quality | 7 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.002% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Tuscumbia, MO | 162 | 39 | 22.0% |
Jefferson City, MO | 42,670 | 39 | 22.0% |
Wardsville, MO | 1,728 | 39 | 22.0% |
Vienna, MO | 897 | 39 | 22.0% |
Lohman, MO | 210 | 39 | 22.0% |
St. Thomas, MO | 292 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Idledale, CO | 292 | 58 | 16.0% |
Baldwin, IL | 292 | 54 | 8.0% |
Campbell Hill, IL | 292 | 43 | 14.0% |
Joy, IL | 292 | 32 | 36.0% |
Vallonia, IN | 292 | 35 | 30.0% |
St. Thomas, MO | 292 | 39 | 22.0% |