Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 34°F | 47°F | 39°F | 8.0" |
February | 33°F | 51°F | 40°F | 3.6" |
March | 36°F | 54°F | 44°F | 4.7" |
April | 38°F | 58°F | 47°F | 3.1" |
May | 44°F | 66°F | 54°F | 3.9" |
June | 49°F | 70°F | 58°F | 3.1" |
July | 53°F | 79°F | 65°F | 2.0" |
August | 53°F | 78°F | 64°F | 2.9" |
September | 48°F | 72°F | 59°F | 3.9" |
October | 43°F | 61°F | 50°F | 4.5" |
November | 38°F | 51°F | 44°F | 8.3" |
December | 32°F | 45°F | 38°F | 6.6" |
Index | Alder | Washington | National |
Air quality index | 20 | 36 | 42 |
Pollution index | 6,915,950 | 4,541,850 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 343 |
Days with moderate air quality | 22 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.110% |
Carbon Tetrachloride | 0.010% |
Lead | 0.000% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Elbe, WA | 46 | 20 | 60.0% |
Ashford, WA | 489 | 20 | 60.0% |
Mineral, WA | 135 | 20 | 60.0% |
Clear Lake CDP (Pierce County), WA | 942 | 30 | 40.0% |
Kapowsin, WA | 249 | 30 | 40.0% |
Alder, WA | 134 | 20 | 60.0% |
City | Population | Air Quality Index | National Avg. |
Hindsville, AR | 134 | 44 | 12.0% |
Moorefield, AR | 134 | 45 | 10.0% |
Washington, AR | 134 | 39 | 22.0% |
Mead Ranch, AZ | 134 | 60 | 20.0% |
Tupman, CA | 134 | 67 | 34.0% |
Alder, WA | 134 | 20 | 60.0% |