Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 26°F | 40°F | 33°F | 10.7" |
February | 21°F | 34°F | 28°F | 2.7" |
March | 31°F | 48°F | 40°F | 6.7" |
April | 39°F | 59°F | 51°F | 4.2" |
May | 48°F | 71°F | 62°F | 4.3" |
June | 59°F | 80°F | 72°F | 7.9" |
July | 63°F | 82°F | 74°F | 6.2" |
August | 64°F | 82°F | 75°F | 13.8" |
September | 56°F | 78°F | 69°F | 6.2" |
October | 47°F | 66°F | 57°F | 6.5" |
November | 35°F | 53°F | 44°F | 5.9" |
December | 27°F | 38°F | 33°F | 2.9" |
Index | Donegal | Pennsylvania | National |
Air quality index | 36 | 45 | 42 |
Pollution index | 7,262,690 | 4,584,805 | 2,726,193 |
Measurement | Total |
Days measured | 359 |
Days with good air quality | 340 |
Days with moderate air quality | 19 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.030% |
Benzene | 0.090% |
Carbon Tetrachloride | 0.260% |
Lead | 0.140% |
Mercury | 0.030% |
City | Population | Air Quality Index | National Avg. |
Everson, PA | 775 | 36 | 28.0% |
South Connellsville, PA | 1,636 | 36 | 28.0% |
Scottdale, PA | 4,116 | 36 | 28.0% |
Mammoth, PA | 428 | 36 | 28.0% |
Hostetter, PA | 306 | 36 | 28.0% |
Donegal, PA | 150 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Deering, AK | 150 | 38 | 24.0% |
Nightmute, AK | 150 | 31 | 38.0% |
Port Graham, AK | 150 | 31 | 38.0% |
Garden City, IA | 150 | 37 | 26.0% |
Palmer, IA | 150 | 37 | 26.0% |
Donegal, PA | 150 | 36 | 28.0% |