| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 11°F | 42°F | 25°F | 0.4" |
| February | 14°F | 46°F | 28°F | 0.7" |
| March | 24°F | 59°F | 40°F | 1.0" |
| April | 33°F | 66°F | 48°F | 2.8" |
| May | 42°F | 75°F | 58°F | 3.7" |
| June | 54°F | 86°F | 70°F | 3.8" |
| July | 60°F | 92°F | 75°F | 3.2" |
| August | 58°F | 89°F | 72°F | 2.9" |
| September | 47°F | 83°F | 64°F | 1.9" |
| October | 34°F | 69°F | 50°F | 2.0" |
| November | 22°F | 56°F | 37°F | 0.3" |
| December | 11°F | 41°F | 24°F | 0.6" |
| Index | Wallace | Nebraska | National |
| Air quality index | 19 | 86 | 42 |
| Pollution index | 73,381 | 590,627 | 2,726,193 |
| Measurement | Total |
| Days measured | 60 |
| Days with good air quality | 55 |
| Days with moderate air quality | 5 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.001% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Elsie, NE | 147 | 19 | 62.0% |
| Wallace, NE | 279 | 19 | 62.0% |
| City | Population | Air Quality Index | National Avg. |
| Whatley, AL | 279 | 37 | 26.0% |
| Cornfields, AZ | 279 | 17 | 66.0% |
| Garrison, IA | 279 | 39 | 22.0% |
| New Providence, IA | 279 | 37 | 26.0% |
| Harrison, ID | 279 | 43 | 14.0% |
| Wallace, NE | 279 | 19 | 62.0% |
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