Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 20°F | 39°F | 29°F | 3.4" |
February | 22°F | 42°F | 31°F | 1.4" |
March | 32°F | 56°F | 42°F | 2.6" |
April | 41°F | 69°F | 54°F | 3.1" |
May | 53°F | 77°F | 64°F | 3.2" |
June | 60°F | 84°F | 71°F | 4.4" |
July | 64°F | 86°F | 74°F | 5.4" |
August | 61°F | 86°F | 72°F | 5.0" |
September | 54°F | 79°F | 65°F | 2.7" |
October | 43°F | 68°F | 54°F | 2.4" |
November | 32°F | 56°F | 42°F | 4.6" |
December | 27°F | 44°F | 35°F | 4.0" |
Index | Henderson | West Virginia | National |
Air quality index | 42 | 126 | 42 |
Pollution index | 361,304 | 1,996,538 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 299 |
Days with moderate air quality | 66 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.004% |
Carbon Tetrachloride | 0.001% |
Lead | 0.000% |
Mercury | 0.002% |
City | Population | Air Quality Index | National Avg. |
Rio Grande, OH | 1,063 | 14 | 72.0% |
Rutland, OH | 741 | 25 | 50.0% |
Racine, OH | 763 | 25 | 50.0% |
Mason, WV | 712 | 25 | 50.0% |
Cheshire, OH | 157 | 25 | 50.0% |
Henderson, WV | 352 | 42 | 16.0% |
City | Population | Air Quality Index | National Avg. |
Eldora, CO | 352 | 47 | 6.0% |
Odessa, DE | 352 | 42 | 16.0% |
Lawler, IA | 352 | 39 | 22.0% |
New Meadows, ID | 352 | 20 | 60.0% |
Greenwood, IL | 352 | 37 | 26.0% |
Henderson, WV | 352 | 42 | 16.0% |