Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 6°F | 27°F | 15°F | 0.6" |
February | 10°F | 31°F | 19°F | 0.9" |
March | 27°F | 51°F | 36°F | 2.8" |
April | 35°F | 60°F | 46°F | 3.6" |
May | 47°F | 72°F | 58°F | 6.9" |
June | 58°F | 81°F | 68°F | 3.9" |
July | 63°F | 93°F | 76°F | 1.9" |
August | 59°F | 88°F | 71°F | 6.5" |
September | 52°F | 81°F | 63°F | 2.5" |
October | 39°F | 64°F | 48°F | 4.8" |
November | 24°F | 48°F | 34°F | 0.4" |
December | 11°F | 31°F | 20°F | 1.9" |
Index | Selfridge | North Dakota | National |
Air quality index | 36 | 35 | 42 |
Pollution index | 296,932 | 1,038,665 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 320 |
Days with moderate air quality | 45 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.003% |
Carbon Tetrachloride | 0.001% |
Lead | 0.010% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Porcupine, ND | 162 | 36 | 28.0% |
Fort Yates, ND | 237 | 36 | 28.0% |
Selfridge, ND | 309 | 36 | 28.0% |
City | Population | Air Quality Index | National Avg. |
Dillon Beach, CA | 309 | 34 | 32.0% |
Esto, FL | 309 | 35 | 30.0% |
Martelle, IA | 309 | 39 | 22.0% |
Bancroft, ID | 309 | 27 | 46.0% |
Hollister, ID | 309 | 20 | 60.0% |
Selfridge, ND | 309 | 36 | 28.0% |