Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 26°F | 40°F | 32°F | 4.1" |
February | 19°F | 38°F | 28°F | 2.9" |
March | 29°F | 49°F | 39°F | 4.6" |
April | 40°F | 63°F | 51°F | 6.6" |
May | 47°F | 74°F | 61°F | 2.5" |
June | 61°F | 84°F | 72°F | 9.0" |
July | 64°F | 84°F | 74°F | 11.6" |
August | 65°F | 84°F | 74°F | 4.1" |
September | 57°F | 81°F | 69°F | 2.3" |
October | 50°F | 69°F | 58°F | 8.8" |
November | 34°F | 55°F | 44°F | 3.7" |
December | 25°F | 40°F | 33°F | 5.2" |
Index | Brownstown borough | Pennsylvania | National |
Air quality index | 45 | 45 | 42 |
Pollution index | 11,091,200 | 4,584,805 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 238 |
Days with moderate air quality | 117 |
Days w/ poor A.Q. for sensitive groups | 9 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.140% |
Carbon Tetrachloride | 0.030% |
Lead | 0.310% |
Mercury | 0.004% |
City | Population | Air Quality Index | National Avg. |
Cornwall, PA | 4,319 | 42 | 16.0% |
Gouglersville, PA | 493 | 42 | 16.0% |
Penryn, PA | 1,058 | 42 | 16.0% |
Schaefferstown, PA | 907 | 42 | 16.0% |
Timber Hills, PA | 502 | 42 | 16.0% |
Brownstown borough, PA | 799 | 45 | 10.0% |
City | Population | Air Quality Index | National Avg. |
Keystone, CO | 799 | 47 | 6.0% |
Upper Bear Creek, CO | 799 | 47 | 6.0% |
Crossville, IL | 799 | 45 | 10.0% |
Truesdale, MO | 799 | 54 | 8.0% |
Lost City, OK | 799 | 36 | 28.0% |
Brownstown borough, PA | 799 | 45 | 10.0% |