Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 44°F | 65°F | 53°F | 5.2" |
February | 45°F | 66°F | 54°F | 5.0" |
March | 51°F | 74°F | 62°F | 3.1" |
April | 58°F | 80°F | 68°F | 3.2" |
May | 66°F | 86°F | 75°F | 5.7" |
June | 72°F | 92°F | 81°F | 3.0" |
July | 74°F | 92°F | 82°F | 5.2" |
August | 74°F | 93°F | 82°F | 7.9" |
September | 70°F | 89°F | 78°F | 6.9" |
October | 58°F | 81°F | 69°F | 5.6" |
November | 49°F | 73°F | 59°F | 2.7" |
December | 45°F | 66°F | 54°F | 9.3" |
Index | Old Jefferson | Louisiana | National |
Air quality index | 45 | 106 | 42 |
Pollution index | 1,932,420 | 2,526,475 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 224 |
Days with moderate air quality | 132 |
Days w/ poor A.Q. for sensitive groups | 9 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.060% |
Lead | 0.000% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
Brusly, LA | 2,690 | 45 | 10.0% |
Central, LA | 29,235 | 45 | 10.0% |
Monticello, LA | 4,926 | 45 | 10.0% |
Walker, LA | 6,278 | 45 | 10.0% |
Bayou Goula, LA | 370 | 45 | 10.0% |
Old Jefferson, LA | 7,321 | 45 | 10.0% |
City | Population | Air Quality Index | National Avg. |
Winooski, VT | 7,320 | 37 | 26.0% |
Whitewater Region, ON | 7,320 | n/a | |
Gorham, ME | 7,322 | 40 | 20.0% |
Mills River, NC | 7,319 | 44 | 12.0% |
Mexia, TX | 7,319 | 41 | 18.0% |
Old Jefferson, LA | 7,321 | 45 | 10.0% |