| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 14°F | 38°F | 25°F | 0.3" |
| February | 16°F | 41°F | 27°F | 0.6" |
| March | 27°F | 55°F | 39°F | 0.9" |
| April | 37°F | 64°F | 49°F | 3.3" |
| May | 47°F | 74°F | 59°F | 4.2" |
| June | 58°F | 84°F | 71°F | 4.2" |
| July | 63°F | 89°F | 75°F | 2.6" |
| August | 60°F | 86°F | 72°F | 3.7" |
| September | 50°F | 79°F | 63°F | 2.4" |
| October | 37°F | 65°F | 50°F | 2.5" |
| November | 25°F | 52°F | 37°F | 0.5" |
| December | 14°F | 37°F | 24°F | 0.6" |
| Index | Bartlett | Nebraska | National |
| Air quality index | 19 | 86 | 42 |
| Pollution index | 333,064 | 590,627 | 2,726,193 |
| Measurement | Total |
| Days measured | 97 |
| Days with good air quality | 92 |
| Days with moderate air quality | 5 |
| 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 | 0.001% |
| Lead | 0.004% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Ericson, NE | 116 | 19 | 62.0% |
| Spalding, NE | 419 | 19 | 62.0% |
| Bartlett, NE | 114 | 19 | 62.0% |
| City | Population | Air Quality Index | National Avg. |
| Ridgeville, AL | 114 | 43 | 14.0% |
| Fulton, AR | 114 | 39 | 22.0% |
| Sweet Water Village, AZ | 114 | 74 | 48.0% |
| Keomah Village, IA | 114 | 35 | 30.0% |
| Donnellson, IL | 114 | 54 | 8.0% |
| Bartlett, NE | 114 | 19 | 62.0% |
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