| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 17°F | 42°F | 28°F | 0.2" |
| February | 19°F | 45°F | 30°F | 0.1" |
| March | 28°F | 58°F | 41°F | 0.5" |
| April | 34°F | 64°F | 47°F | 1.6" |
| May | 43°F | 72°F | 56°F | 2.7" |
| June | 54°F | 85°F | 69°F | 2.5" |
| July | 61°F | 91°F | 75°F | 2.7" |
| August | 59°F | 88°F | 72°F | 2.2" |
| September | 50°F | 81°F | 64°F | 1.5" |
| October | 38°F | 67°F | 50°F | 1.0" |
| November | 27°F | 56°F | 40°F | 0.3" |
| December | 16°F | 41°F | 27°F | 0.1" |
| Index | Otis | Colorado | National |
| Air quality index | 45 | 38 | 42 |
| Pollution index | 168,473 | 2,068,342 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 252 |
| Days with moderate air quality | 110 |
| Days w/ poor A.Q. for sensitive groups | 3 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.002% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Hecker, IL | 569 | 54 | 8.0% |
| Bertha, MN | 569 | 29 | 42.0% |
| Ringwood, OK | 569 | 40 | 20.0% |
| Adams, OR | 569 | 38 | 24.0% |
| Falmouth, PA | 569 | 41 | 18.0% |
| Otis, CO | 569 | 45 | 10.0% |
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