Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 19°F | 64°F | 40°F | 6.0" |
February | 18°F | 66°F | 42°F | 2.5" |
March | 27°F | 73°F | 46°F | 3.5" |
April | 27°F | 81°F | 49°F | 2.4" |
May | 32°F | 99°F | 57°F | 2.4" |
June | 38°F | 103°F | 61°F | 1.2" |
July | 46°F | 108°F | 69°F | 0.3" |
August | 43°F | 100°F | 68°F | 0.4" |
September | 37°F | 96°F | 62°F | 1.2" |
October | 27°F | 78°F | 52°F | 2.6" |
November | 23°F | 70°F | 45°F | 7.2" |
December | 10°F | 61°F | 39°F | 7.6" |
Index | Four Corners | Oregon | National |
Air quality index | 31 | 32 | 50 |
Pollution index | 3,182,180 | 5,374,527 | 5,066,862 |
Measurement | Total |
Days measured | 361 |
Days with good air quality | 284 |
Days with moderate air quality | 72 |
Days w/ poor A.Q. for sensitive groups | 5 |
Days with unhealthy air quality |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.030% |
Lead | 0.190% |
Mercury | 0.110% |
City, State | Population | Air Quality Index | National Avg. |
Marion, OR | 263 | 23 | 54% |
Jefferson, OR | 3,207 | 23 | 54% |
Amity, OR | 1,593 | 31 | 38% |
Gervais, OR | 2,591 | 31 | 38% |
Keizer, OR | 37,497 | 31 | 38% |
Four Corners, OR | 15,963 | 31 | 38% |
City, State | Population | Air Quality Index | National Avg. |
Camano, WA | 15,968 | 31 | 38% |
Albemarle, NC | 15,968 | 40 | 20% |
Belvedere Park, GA | 15,951 | 52 | 4% |
Rye, NY | 15,949 | 53 | 6% |
West Columbia, SC | 15,947 | 42 | 16% |
Four Corners, OR | 15,963 | 31 | 38% |