Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 33°F | 46°F | 39°F | 3.0" |
February | 34°F | 50°F | 41°F | 1.7" |
March | 37°F | 54°F | 45°F | 3.4" |
April | 40°F | 59°F | 48°F | 2.0" |
May | 45°F | 65°F | 54°F | 2.4" |
June | 49°F | 70°F | 59°F | 1.9" |
July | 52°F | 77°F | 63°F | 1.3" |
August | 52°F | 78°F | 63°F | 1.4" |
September | 49°F | 71°F | 58°F | 2.4" |
October | 43°F | 60°F | 50°F | 3.4" |
November | 37°F | 52°F | 44°F | 4.0" |
December | 32°F | 44°F | 38°F | 3.1" |
Index | Granite Falls | Washington | National |
Air quality index | 24 | 36 | 42 |
Pollution index | 15,778,900 | 4,541,850 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 361 |
Days with moderate air quality | 4 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.270% |
Carbon Tetrachloride | 0.040% |
Lead | 0.160% |
Mercury | 0.003% |
City | Population | Air Quality Index | National Avg. |
Canyon Creek, WA | 3,218 | 24 | 52.0% |
Arlington, WA | 19,947 | 24 | 52.0% |
Lake Goodwin, WA | 4,613 | 24 | 52.0% |
Marysville, WA | 69,629 | 24 | 52.0% |
Sunday Lake, WA | 947 | 24 | 52.0% |
Granite Falls, WA | 3,961 | 24 | 52.0% |
City | Population | Air Quality Index | National Avg. |
Hephzibah, GA | 3,961 | 47 | 6.0% |
Medford Lakes, NJ | 3,961 | 51 | 2.0% |
Oaklyn, NJ | 3,961 | 51 | 2.0% |
White City, SK | 3,960 | n/a | |
Metter, GA | 3,962 | 39 | 22.0% |
Granite Falls, WA | 3,961 | 24 | 52.0% |