Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 21°F | 37°F | 28°F | 2.0" |
February | 21°F | 38°F | 29°F | 1.6" |
March | 29°F | 49°F | 39°F | 2.9" |
April | 40°F | 63°F | 51°F | 3.1" |
May | 49°F | 72°F | 60°F | 4.2" |
June | 58°F | 79°F | 68°F | 4.2" |
July | 61°F | 83°F | 72°F | 4.1" |
August | 59°F | 81°F | 69°F | 3.6" |
September | 53°F | 75°F | 63°F | 3.3" |
October | 44°F | 64°F | 53°F | 3.6" |
November | 33°F | 52°F | 42°F | 2.2" |
December | 26°F | 41°F | 33°F | 3.1" |
Index | St. Clairsville | Pennsylvania | National |
Air quality index | 39 | 45 | 42 |
Pollution index | 2,970,510 | 4,584,805 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 296 |
Days with moderate air quality | 69 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.050% |
Carbon Tetrachloride | 0.010% |
Lead | 0.650% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Manns Choice, PA | 241 | 36 | 28.0% |
Bedford, PA | 2,703 | 36 | 28.0% |
New Baltimore, PA | 157 | 36 | 28.0% |
Schellsburg, PA | 359 | 36 | 28.0% |
South Fork, PA | 997 | 39 | 22.0% |
St. Clairsville, PA | 67 | 39 | 22.0% |
City | Population | Air Quality Index | National Avg. |
Zinc, AR | 67 | 36 | 28.0% |
Washington Park, AZ | 67 | 60 | 20.0% |
Beaver, IA | 67 | 37 | 26.0% |
Curlew, IA | 67 | 15 | 70.0% |
Kinross, IA | 67 | 35 | 30.0% |
St. Clairsville, PA | 67 | 39 | 22.0% |