| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 17°F | 38°F | 26°F | 0.1" |
| February | 19°F | 42°F | 29°F | 0.3" |
| March | 30°F | 57°F | 41°F | 0.8" |
| April | 39°F | 65°F | 50°F | 4.1" |
| May | 50°F | 74°F | 61°F | 4.5" |
| June | 61°F | 85°F | 72°F | 5.4" |
| July | 65°F | 89°F | 76°F | 3.3" |
| August | 62°F | 85°F | 73°F | 4.1" |
| September | 54°F | 80°F | 65°F | 3.1" |
| October | 41°F | 66°F | 52°F | 3.6" |
| November | 28°F | 54°F | 39°F | 0.8" |
| December | 17°F | 38°F | 26°F | 0.6" |
| Index | Litchfield | Nebraska | National |
| Air quality index | 19 | 86 | 42 |
| Pollution index | 5,232,950 | 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 | 0.010% |
| Benzene | 0.080% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.010% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Mason City, NE | 163 | 19 | 62.0% |
| Pleasanton, NE | 410 | 19 | 62.0% |
| Hazard, NE | 45 | 19 | 62.0% |
| Poole, NE | 14 | 19 | 62.0% |
| Ansley, NE | 568 | 19 | 62.0% |
| Litchfield, NE | 306 | 19 | 62.0% |
| City | Population | Air Quality Index | National Avg. |
| Maytown, AL | 306 | 53 | 6.0% |
| Waldo, AL | 306 | 38 | 24.0% |
| Buckner, AR | 306 | 39 | 22.0% |
| Romeo, CO | 306 | 15 | 70.0% |
| Bostwick, GA | 306 | 44 | 12.0% |
| Litchfield, NE | 306 | 19 | 62.0% |
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