Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 17°F | 39°F | 27°F | 0.5" |
February | 20°F | 43°F | 31°F | 1.3" |
March | 32°F | 55°F | 42°F | 1.0" |
April | 36°F | 61°F | 47°F | 1.8" |
May | 44°F | 71°F | 56°F | 2.7" |
June | 53°F | 78°F | 64°F | 5.2" |
July | 61°F | 96°F | 78°F | 1.0" |
August | 56°F | 89°F | 71°F | 2.8" |
September | 48°F | 78°F | 60°F | 3.9" |
October | 42°F | 66°F | 52°F | 1.8" |
November | 32°F | 51°F | 41°F | 1.2" |
December | 22°F | 38°F | 29°F | 0.1" |
Index | Gibson Flats | Montana | National |
Air quality index | 21 | 34 | 42 |
Pollution index | 250,374 | 834,473 | 2,726,193 |
Measurement | Total |
Days measured | 363 |
Days with good air quality | 350 |
Days with moderate air quality | 12 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.004% |
Carbon Tetrachloride | 0.000% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Malmstrom AFB, MT | 3,902 | 21 | 58.0% |
Ulm, MT | 750 | 21 | 58.0% |
Belt, MT | 537 | 21 | 58.0% |
Sand Coulee, MT | 201 | 21 | 58.0% |
Vaughn, MT | 877 | 21 | 58.0% |
Gibson Flats, MT | 205 | 21 | 58.0% |
City | Population | Air Quality Index | National Avg. |
College City, CA | 205 | 44 | 12.0% |
Castana, IA | 205 | 35 | 30.0% |
Coulter, IA | 205 | 15 | 70.0% |
Sherrill, IA | 205 | 29 | 42.0% |
Onaway, ID | 205 | 10 | 80.0% |
Gibson Flats, MT | 205 | 21 | 58.0% |