| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 28°F | 48°F | 36°F | 5.3" |
| February | 32°F | 55°F | 42°F | 1.7" |
| March | 40°F | 67°F | 51°F | 6.3" |
| April | 45°F | 70°F | 56°F | 2.1" |
| May | 56°F | 79°F | 66°F | 3.5" |
| June | 64°F | 88°F | 75°F | 6.3" |
| July | 68°F | 93°F | 80°F | 4.5" |
| August | 69°F | 92°F | 80°F | 6.7" |
| September | 63°F | 89°F | 75°F | 2.9" |
| October | 50°F | 78°F | 63°F | 2.5" |
| November | 37°F | 67°F | 51°F | 1.6" |
| December | 27°F | 53°F | 38°F | 2.5" |
| Index | Morse | Texas | National |
| Air quality index | 44 | 52 | 42 |
| Pollution index | 1,108,690 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 259 |
| Days with moderate air quality | 96 |
| Days w/ poor A.Q. for sensitive groups | 10 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.005% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Gruver, TX | 1,482 | 44 | 12.0% |
| Morse, TX | 215 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Burdette, AR | 215 | 26 | 48.0% |
| Bombay Beach, CA | 215 | 58 | 16.0% |
| Fort Washington, CA | 215 | 60 | 20.0% |
| Rickardsville, IA | 215 | 29 | 42.0% |
| Rockbridge, IL | 215 | 54 | 8.0% |
| Morse, TX | 215 | 44 | 12.0% |
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