| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 58°F | 46°F | 4.5" |
| February | 34°F | 58°F | 45°F | 4.3" |
| March | 41°F | 68°F | 54°F | 6.6" |
| April | 47°F | 75°F | 61°F | 4.8" |
| May | 55°F | 82°F | 68°F | 2.9" |
| June | 66°F | 88°F | 76°F | 4.4" |
| July | 70°F | 91°F | 79°F | 6.4" |
| August | 71°F | 94°F | 82°F | 2.7" |
| September | 64°F | 89°F | 76°F | 9.3" |
| October | 54°F | 79°F | 65°F | 7.1" |
| November | 40°F | 68°F | 53°F | 5.8" |
| December | 36°F | 59°F | 46°F | 4.7" |
| Index | Prospect | North Carolina | National |
| Air quality index | 30 | 35 | 42 |
| Pollution index | 940,521 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 117 |
| Days with good air quality | 101 |
| Days with moderate air quality | 16 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Rex, NC | 56 | 30 | 40.0% |
| Elrod, NC | 522 | 30 | 40.0% |
| Raynham, NC | 41 | 30 | 40.0% |
| Laurinburg, NC | 15,118 | 30 | 40.0% |
| Lumberton, NC | 20,704 | 30 | 40.0% |
| Prospect, NC | 810 | 30 | 40.0% |
| City | Population | Air Quality Index | National Avg. |
| Brantleyville, AL | 810 | 53 | 6.0% |
| New Site, AL | 810 | 38 | 24.0% |
| Wittmann, AZ | 810 | 74 | 48.0% |
| Honalo, HI | 810 | 16 | 68.0% |
| Alden, IA | 810 | 37 | 26.0% |
| Prospect, NC | 810 | 30 | 40.0% |
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