Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 29°F | 48°F | 37°F | 5.2" |
February | 30°F | 51°F | 39°F | 7.4" |
March | 38°F | 62°F | 49°F | 7.7" |
April | 47°F | 73°F | 59°F | 7.8" |
May | 55°F | 79°F | 66°F | 5.7" |
June | 62°F | 86°F | 73°F | 6.7" |
July | 66°F | 87°F | 75°F | 10.3" |
August | 65°F | 87°F | 74°F | 5.1" |
September | 60°F | 81°F | 69°F | 6.8" |
October | 47°F | 72°F | 57°F | 10.0" |
November | 36°F | 60°F | 46°F | 7.2" |
December | 33°F | 51°F | 41°F | 10.2" |
Index | St. Charles | Virginia | National |
Air quality index | 45 | 58 | 42 |
Pollution index | 7,824,360 | 1,561,881 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 236 |
Days with moderate air quality | 108 |
Days w/ poor A.Q. for sensitive groups | 21 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.060% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.020% |
Lead | 0.070% |
Mercury | 0.030% |
City | Population | Air Quality Index | National Avg. |
Evarts, KY | 701 | 39 | 22.0% |
Ages, KY | 365 | 39 | 22.0% |
Harlan, KY | 1,411 | 39 | 22.0% |
Cawood, KY | 489 | 39 | 22.0% |
Kenvir, KY | 467 | 39 | 22.0% |
St. Charles, VA | 61 | 45 | 10.0% |
City | Population | Air Quality Index | National Avg. |
Klukwan, AK | 61 | 20 | 60.0% |
Jennette, AR | 61 | 45 | 10.0% |
Yucca, AZ | 61 | 13 | 74.0% |
Mount Hebron, CA | 61 | 29 | 42.0% |
Rodriguez Camp, CA | 61 | 67 | 34.0% |
St. Charles, VA | 61 | 45 | 10.0% |