Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 27°F | 47°F | 37°F | 3.4" |
February | 25°F | 47°F | 36°F | 2.3" |
March | 33°F | 56°F | 45°F | 3.0" |
April | 42°F | 67°F | 55°F | 3.7" |
May | 50°F | 75°F | 62°F | 3.9" |
June | 62°F | 84°F | 73°F | 5.9" |
July | 66°F | 88°F | 77°F | 4.3" |
August | 64°F | 87°F | 75°F | 2.9" |
September | 57°F | 80°F | 68°F | 4.4" |
October | 47°F | 70°F | 58°F | 5.2" |
November | 38°F | 59°F | 49°F | 4.7" |
December | 30°F | 50°F | 40°F | 4.9" |
Index | Powellville | Maryland | National |
Air quality index | 36 | 43 | 42 |
Pollution index | 2,538,160 | 5,342,367 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 303 |
Days with moderate air quality | 61 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.002% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.004% |
Lead | 0.010% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Berlin, MD | 4,740 | 36 | 28.0% |
Parsonsburg, MD | 287 | 36 | 28.0% |
Eden, MD | 846 | 36 | 28.0% |
Frankford, DE | 712 | 36 | 28.0% |
Pittsville, MD | 1,742 | 36 | 28.0% |
Powellville, MD | 109 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Eagle, AK | 109 | 38 | 24.0% |
Mud Bay, AK | 109 | 20 | 60.0% |
Standing Rock, AL | 109 | 42 | 16.0% |
Kohls Ranch, AZ | 109 | 60 | 20.0% |
Vilas, CO | 109 | 20 | 60.0% |
Powellville, MD | 109 | 36 | 28.0% |