Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 24°F | 35°F | 29°F | 0.8" |
February | 28°F | 44°F | 35°F | 0.7" |
March | 34°F | 55°F | 43°F | 0.9" |
April | 40°F | 63°F | 51°F | 0.6" |
May | 48°F | 74°F | 60°F | 1.0" |
June | 55°F | 81°F | 67°F | 0.4" |
July | 63°F | 91°F | 76°F | 0.2" |
August | 62°F | 89°F | 75°F | 0.3" |
September | 53°F | 79°F | 65°F | 0.3" |
October | 42°F | 63°F | 52°F | 0.7" |
November | 32°F | 47°F | 38°F | 0.9" |
December | 23°F | 34°F | 28°F | 1.1" |
Index | Waterville | Washington | National |
Air quality index | 24 | 36 | 42 |
Pollution index | 422,626 | 4,541,850 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 298 |
Days with moderate air quality | 66 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Chelan, WA | 4,174 | 24 | 52.0% |
Chelan Falls, WA | 50 | 24 | 52.0% |
Entiat, WA | 975 | 24 | 52.0% |
Sunnyslope, WA | 3,761 | 24 | 52.0% |
Waterville, WA | 1,435 | 24 | 52.0% |
City | Population | Air Quality Index | National Avg. |
Diaz, AR | 1,435 | 45 | 10.0% |
LeChee, AZ | 1,435 | 45 | 10.0% |
Lakeshire, MO | 1,435 | 54 | 8.0% |
Flat Rock CDP, NC | 1,435 | 44 | 12.0% |
Pioche, NV | 1,435 | 44 | 12.0% |
Waterville, WA | 1,435 | 24 | 52.0% |