Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 36°F | 51°F | 43°F | 10.5" |
February | 37°F | 53°F | 44°F | 6.7" |
March | 39°F | 55°F | 46°F | 9.5" |
April | 40°F | 57°F | 49°F | 6.0" |
May | 45°F | 63°F | 53°F | 4.1" |
June | 50°F | 66°F | 57°F | 2.4" |
July | 53°F | 69°F | 60°F | 1.0" |
August | 53°F | 71°F | 61°F | 0.8" |
September | 50°F | 70°F | 59°F | 3.3" |
October | 45°F | 63°F | 53°F | 7.4" |
November | 40°F | 55°F | 47°F | 12.7" |
December | 36°F | 49°F | 42°F | 11.3" |
Index | Skamokawa Valley | Washington | National |
Air quality index | 18 | 36 | 42 |
Pollution index | 4,215,410 | 4,541,850 | 2,726,193 |
Measurement | Total |
Days measured | 360 |
Days with good air quality | 338 |
Days with moderate air quality | 22 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.005% |
Benzene | 0.050% |
Carbon Tetrachloride | 0.004% |
Lead | 0.030% |
Mercury | 0.250% |
City | Population | Air Quality Index | National Avg. |
Altoona, WA | 35 | 18 | 64.0% |
Lower Elochoman, WA | 475 | 18 | 64.0% |
Clatskanie, OR | 2,189 | 18 | 64.0% |
Cathlamet, WA | 605 | 18 | 64.0% |
Puget Island, WA | 1,227 | 18 | 64.0% |
Skamokawa Valley, WA | 268 | 18 | 64.0% |
City | Population | Air Quality Index | National Avg. |
Coldfoot, AK | 268 | 38 | 24.0% |
Tonalea, AZ | 268 | 45 | 10.0% |
Cincinnati, IA | 268 | 39 | 22.0% |
Raleigh, IL | 268 | 43 | 14.0% |
Elk City, KS | 268 | 38 | 24.0% |
Skamokawa Valley, WA | 268 | 18 | 64.0% |