Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | -2°F | 17°F | 8°F | 0.5" |
February | -2°F | 18°F | 8°F | 0.6" |
March | 17°F | 34°F | 25°F | 1.3" |
April | 33°F | 57°F | 44°F | 1.1" |
May | 43°F | 68°F | 54°F | 3.3" |
June | 54°F | 77°F | 65°F | 4.2" |
July | 58°F | 83°F | 70°F | 2.0" |
August | 55°F | 80°F | 67°F | 3.7" |
September | 48°F | 73°F | 59°F | 2.3" |
October | 35°F | 54°F | 43°F | 2.9" |
November | 23°F | 40°F | 30°F | 1.1" |
December | 3°F | 20°F | 11°F | 1.1" |
Index | Thompson | North Dakota | National |
Air quality index | 33 | 35 | 42 |
Pollution index | 1,215,340 | 1,038,665 | 2,726,193 |
Measurement | Total |
Days measured | 363 |
Days with good air quality | 327 |
Days with moderate air quality | 34 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.020% |
Carbon Tetrachloride | 0.002% |
Lead | 0.090% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Grand Forks, ND | 56,588 | 33 | 34.0% |
Grand Forks AFB, ND | 2,785 | 33 | 34.0% |
Climax, MN | 218 | 33 | 34.0% |
Buxton, ND | 431 | 33 | 34.0% |
Fisher, MN | 517 | 33 | 34.0% |
Thompson, ND | 1,143 | 33 | 34.0% |
City | Population | Air Quality Index | National Avg. |
Forest Hill, LA | 1,143 | 30 | 40.0% |
Pigeon, MI | 1,143 | 26 | 48.0% |
Strum, WI | 1,143 | 34 | 32.0% |
Division No. 1, Subd. Y, NL | 1,143 | n/a | |
Wilkie, SK | 1,143 | n/a | |
Thompson, ND | 1,143 | 33 | 34.0% |