Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 44°F | 65°F | 53°F | 10.2" |
February | 49°F | 70°F | 58°F | 7.3" |
March | 56°F | 74°F | 64°F | 10.7" |
April | 60°F | 80°F | 69°F | 12.3" |
May | 65°F | 82°F | 73°F | 13.0" |
June | 72°F | 87°F | 78°F | 9.4" |
July | 73°F | 91°F | 81°F | 5.5" |
August | 72°F | 91°F | 80°F | 16.1" |
September | 67°F | 89°F | 77°F | 5.4" |
October | 58°F | 83°F | 69°F | 15.2" |
November | 53°F | 74°F | 62°F | 9.7" |
December | 47°F | 65°F | 55°F | 10.6" |
Index | Washington | Louisiana | National |
Air quality index | 41 | 106 | 42 |
Pollution index | 2,459,320 | 2,526,475 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 280 |
Days with moderate air quality | 85 |
Days w/ poor A.Q. for sensitive groups | 0 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.050% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.004% |
Lead | 0.050% |
Mercury | 0.040% |
City | Population | Air Quality Index | National Avg. |
Sunset, LA | 2,923 | 41 | 18.0% |
Leonville, LA | 2,127 | 41 | 18.0% |
Arnaudville, LA | 1,614 | 41 | 18.0% |
Church Point, LA | 4,429 | 41 | 18.0% |
Palmetto, LA | 151 | 41 | 18.0% |
Washington, LA | 860 | 41 | 18.0% |
City | Population | Air Quality Index | National Avg. |
Riceville, IA | 860 | 15 | 70.0% |
Gaston, IN | 860 | 35 | 30.0% |
Calvert Beach, MD | 860 | 41 | 18.0% |
Hollister, NC | 860 | 36 | 28.0% |
North Light Plant, NM | 860 | 49 | 2.0% |
Washington, LA | 860 | 41 | 18.0% |