Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 1°F | 22°F | 11°F | 0.9" |
February | 3°F | 24°F | 13°F | 0.6" |
March | 18°F | 40°F | 29°F | 1.0" |
April | 32°F | 58°F | 45°F | 1.7" |
May | 44°F | 72°F | 57°F | 3.3" |
June | 55°F | 81°F | 68°F | 4.6" |
July | 59°F | 86°F | 73°F | 2.6" |
August | 56°F | 83°F | 69°F | 3.0" |
September | 48°F | 76°F | 61°F | 3.1" |
October | 37°F | 61°F | 47°F | 2.4" |
November | 22°F | 44°F | 32°F | 0.7" |
December | 6°F | 26°F | 16°F | 1.1" |
Index | Casselton | North Dakota | National |
Air quality index | 33 | 35 | 42 |
Pollution index | 2,281,860 | 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 | 0.030% |
Carbon Tetrachloride | 0.010% |
Lead | 0.030% |
Mercury | 0.002% |
City | Population | Air Quality Index | National Avg. |
Embden, ND | 26 | 33 | 34.0% |
West Fargo, ND | 36,406 | 33 | 34.0% |
Arthur, ND | 253 | 33 | 34.0% |
Davenport, ND | 264 | 33 | 34.0% |
Wheatland, ND | 31 | 33 | 34.0% |
Casselton, ND | 2,738 | 33 | 34.0% |
City | Population | Air Quality Index | National Avg. |
Arcadia, LA | 2,738 | 35 | 30.0% |
Osseo, MN | 2,738 | 46 | 8.0% |
West Hammond, NM | 2,738 | 49 | 2.0% |
St. Henry, OH | 2,738 | 39 | 22.0% |
Middlebush, NJ | 2,737 | 41 | 18.0% |
Casselton, ND | 2,738 | 33 | 34.0% |