The population was 5,586 at the 2000 census and 5,764 at the 2010 census. Sweetwater is the home of the Craighead Caverns which contains the Lost Sea, the United States' largest underground lake.
2011, The HOTTEST Year for Texas. Tweet. For most of Texas, 2011 is now the hottest year on record while city after city shatter records of 100 degree days. Texas is in a severe drought, only averaging about 1 inch of rain during July, and in many areas things are becoming desperate.
Houston weathers its hottest month on record. ERIC BERGER. , HOUSTON CHRONICLE. Houston's no stranger to sweaty Augusts, but it's never seen one like this. In more than a century of record keeping, Houston hasn't had a warmer month than the one just past. Neither has Huntsville, to the north, or Palacios, to the south. College Station tied its warmest month ever, and Galveston had its second-warmest month ever. Yuck. Houston's average temperature of 87.8 degrees for August exceeded previous highs set in July 1980 and August 1962 by three-tenths of a degree.