Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 17°F | 34°F | 25°F | 0.6" |
February | 22°F | 42°F | 32°F | 0.6" |
March | 26°F | 52°F | 38°F | 0.9" |
April | 29°F | 59°F | 44°F | 0.8" |
May | 36°F | 69°F | 52°F | 1.6" |
June | 42°F | 76°F | 59°F | 1.4" |
July | 47°F | 88°F | 68°F | 0.5" |
August | 44°F | 88°F | 66°F | 0.5" |
September | 37°F | 78°F | 57°F | 0.4" |
October | 30°F | 62°F | 45°F | 0.8" |
November | 24°F | 46°F | 34°F | 0.7" |
December | 16°F | 34°F | 25°F | 1.0" |
Index | Sumpter | Oregon | National |
Air quality index | 20 | 32 | 42 |
Pollution index | 3,459,540 | 7,156,356 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 344 |
Days with moderate air quality | 21 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.003% |
Benzene | 0.070% |
Carbon Tetrachloride | 0.010% |
Lead | 0.004% |
Mercury | 0.002% |
City | Population | Air Quality Index | National Avg. |
Granite, OR | 23 | 20 | 60.0% |
Greenhorn, OR | 0 | 20 | 60.0% |
Haines, OR | 267 | 20 | 60.0% |
Sumpter, OR | 245 | 20 | 60.0% |
City | Population | Air Quality Index | National Avg. |
Knobel, AR | 245 | 26 | 48.0% |
Kite, GA | 245 | 47 | 6.0% |
Montour, IA | 245 | 39 | 22.0% |
Otwell, IN | 245 | 6 | 88.0% |
Mize, MS | 245 | 35 | 30.0% |
Sumpter, OR | 245 | 20 | 60.0% |