Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 18°F | 42°F | 29°F | 1.8" |
February | 27°F | 53°F | 38°F | 1.3" |
March | 33°F | 65°F | 48°F | 0.8" |
April | 38°F | 70°F | 53°F | 1.4" |
May | 46°F | 79°F | 62°F | 2.0" |
June | 57°F | 95°F | 77°F | 0.9" |
July | 63°F | 97°F | 79°F | 1.5" |
August | 60°F | 92°F | 74°F | 2.1" |
September | 53°F | 86°F | 68°F | 2.7" |
October | 39°F | 72°F | 54°F | 2.4" |
November | 30°F | 59°F | 42°F | 1.0" |
December | 21°F | 44°F | 31°F | 0.6" |
Index | Delta | Colorado | National |
Air quality index | 44 | 38 | 42 |
Pollution index | 617,768 | 2,068,342 | 2,726,193 |
Measurement | Total |
Days measured | 364 |
Days with good air quality | 289 |
Days with moderate air quality | 75 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.000% |
Lead | 0.004% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Orchard City, CO | 3,164 | 44 | 12.0% |
Olathe, CO | 1,800 | 44 | 12.0% |
Cedaredge, CO | 2,614 | 44 | 12.0% |
Delta, CO | 8,893 | 44 | 12.0% |
City | Population | Air Quality Index | National Avg. |
Waseca, MN | 8,892 | 36 | 28.0% |
Olmsted Falls, OH | 8,892 | 50 | = 100 |
Tremonton, UT | 8,890 | 44 | 12.0% |
Mahomet, IL | 8,888 | 42 | 16.0% |
Port Wentworth, GA | 8,886 | 39 | 22.0% |
Delta, CO | 8,893 | 44 | 12.0% |