Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 34°F | 49°F | 41°F | 5.6" |
February | 35°F | 53°F | 43°F | 4.1" |
March | 37°F | 58°F | 47°F | 5.4" |
April | 39°F | 63°F | 50°F | 2.9" |
May | 45°F | 71°F | 57°F | 2.3" |
June | 50°F | 76°F | 62°F | 1.3" |
July | 54°F | 86°F | 69°F | 0.3" |
August | 54°F | 86°F | 69°F | 0.4" |
September | 50°F | 80°F | 63°F | 1.8" |
October | 43°F | 66°F | 54°F | 4.1" |
November | 38°F | 55°F | 46°F | 6.7" |
December | 33°F | 48°F | 40°F | 7.4" |
Index | Four Corners | Oregon | National |
Air quality index | 32 | 32 | 42 |
Pollution index | 3,182,180 | 7,156,356 | 2,726,193 |
Measurement | Total |
Days measured | 356 |
Days with good air quality | 302 |
Days with moderate air quality | 54 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.040% |
Carbon Tetrachloride | 0.030% |
Lead | 0.190% |
Mercury | 0.110% |
City | Population | Air Quality Index | National Avg. |
Jefferson, OR | 3,348 | 28 | 44.0% |
Marion, OR | 416 | 28 | 44.0% |
Turner, OR | 2,034 | 32 | 36.0% |
Amity, OR | 1,557 | 32 | 36.0% |
Keizer, OR | 39,408 | 32 | 36.0% |
Four Corners, OR | 16,491 | 32 | 36.0% |
City | Population | Air Quality Index | National Avg. |
Wolf Trap, VA | 16,497 | 47 | 6.0% |
Buda, TX | 16,484 | 44 | 12.0% |
Hillcrest Heights, MD | 16,498 | 47 | 6.0% |
East Highland Park, VA | 16,499 | 44 | 12.0% |
Greater Napanee, ON | 16,500 | n/a | |
Four Corners, OR | 16,491 | 32 | 36.0% |