Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 31°F | 51°F | 40°F | 4.0" |
February | 33°F | 54°F | 42°F | 4.4" |
March | 40°F | 63°F | 50°F | 4.2" |
April | 49°F | 72°F | 60°F | 4.4" |
May | 56°F | 78°F | 66°F | 5.9" |
June | 64°F | 86°F | 74°F | 7.1" |
July | 68°F | 88°F | 77°F | 6.0" |
August | 67°F | 87°F | 76°F | 5.8" |
September | 61°F | 81°F | 70°F | 7.5" |
October | 50°F | 71°F | 59°F | 4.6" |
November | 39°F | 61°F | 49°F | 6.9" |
December | 35°F | 54°F | 44°F | 6.3" |
Index | Stem | North Carolina | National |
Air quality index | 44 | 35 | 42 |
Pollution index | 4,980,580 | 2,789,538 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 275 |
Days with moderate air quality | 90 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.004% |
Benzene | 0.060% |
Carbon Tetrachloride | 0.010% |
Lead | 0.001% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Butner, NC | 7,779 | 44 | 12.0% |
Oxford, NC | 8,812 | 44 | 12.0% |
Creedmoor, NC | 4,539 | 44 | 12.0% |
Rougemont, NC | 750 | 44 | 12.0% |
Durham, NC | 276,341 | 44 | 12.0% |
Stem, NC | 1,169 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
La Cygne, KS | 1,169 | 47 | 6.0% |
Mesita, NM | 1,169 | 53 | 6.0% |
Baltic, SD | 1,169 | 36 | 28.0% |
Despard, WV | 1,169 | 31 | 38.0% |
Malaga, CA | 1,168 | 60 | 20.0% |
Stem, NC | 1,169 | 44 | 12.0% |