Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 33°F | 47°F | 39°F | 7.4" |
February | 33°F | 51°F | 41°F | 4.9" |
March | 36°F | 55°F | 44°F | 6.1" |
April | 38°F | 60°F | 48°F | 4.0" |
May | 44°F | 67°F | 55°F | 4.5" |
June | 49°F | 72°F | 60°F | 3.0" |
July | 52°F | 80°F | 65°F | 1.5" |
August | 52°F | 80°F | 65°F | 3.4" |
September | 48°F | 73°F | 60°F | 4.4" |
October | 42°F | 62°F | 51°F | 6.3" |
November | 36°F | 52°F | 44°F | 8.2" |
December | 32°F | 46°F | 38°F | 6.9" |
Index | Alderton | Washington | National |
Air quality index | 45 | 36 | 42 |
Pollution index | 17,693,800 | 4,541,850 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 236 |
Days with moderate air quality | 127 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.300% |
Carbon Tetrachloride | 0.050% |
Lead | 0.110% |
Mercury | 0.020% |
City | Population | Air Quality Index | National Avg. |
Dash Point, WA | 1,008 | 18 | 64.0% |
Browns Point, WA | 961 | 18 | 64.0% |
Ruston, WA | 1,329 | 18 | 64.0% |
Tacoma, WA | 215,766 | 18 | 64.0% |
Clover Creek, WA | 6,893 | 30 | 40.0% |
Alderton, WA | 2,695 | 45 | 10.0% |
City | Population | Air Quality Index | National Avg. |
Henderson, GA | 2,694 | 39 | 22.0% |
San Miguel CDP (San Luis Obispo County), CA | 2,696 | 40 | 20.0% |
Belville, NC | 2,696 | 34 | 32.0% |
Sylva, NC | 2,696 | 44 | 12.0% |
Munsey Park, NY | 2,696 | 51 | 2.0% |
Alderton, WA | 2,695 | 45 | 10.0% |