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.
San Marcos is home to Texas State University and the Aquarena Center. In 2010, San Marcos was listed in Business Week ' s fourth annual survey of the Best Places to Raise your Kids. In 2013 and 2014, the United States Census Bureau named San Marcos the fastest-growing city in the United States. In December 2013, San Marcos was named #9 on Business Insider ' s list of the 10 Most Exciting Small Cities In America.