Atenolol and chlorthalidone combination is used to treat high blood pressure (hypertension). High blood pressure adds to the workload of the heart and arteries. If it continues for a long time, the heart and arteries may not function properly.
San Marcos Average Weather. 1  The highest monthly average temperature in San Marcos for August is 70 degrees. 2  The lowest monthly average temperature in San Marcos for January is 55 degrees. 3  The most monthly precipitation in San Marcos occurs in January with 2.3 inches.  The air quality index in San Marcos is 22% worse than the national average.
Central Texas storms cause record rain, flooding in San Marcos, Hays County. Back to Gallery. SAN MARCOS-One man is confirmed dead, three more people may be missing, and more than 1,200 people in Hays County are homeless after the Blanco River flooded to record levels, destroying hundreds of homes. couch hangs in a tree as people search for possessions after a flash flood along the Blanco River, Monday, May 25, 2015, in Wimberley, Texas. Several people were reported missing in flash flooding from a line of storms that stretched from the Gulf of Mexico to the Great Lakes.