Holiday Lights: Texas and Louisiana

This map shows the change in lighting intensity and location in Texas and Louisiana from December 2012 and 2013 to the average light output for the rest of 2012 to 2014. Green shading marks areas where light usage increased in December; yellow marks areas with little change; and red marks areas where less light was used.

Nighttime lights around many major U.S. cities shine 20 to 50 percent brighter during Christmas and New Year when compared to light output during the rest of the year.