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.
CDT Sunday: Flooding on Interstate 35 in San Marcos, Texas. Flood waters from the Blanco River are now over I-35SB in San Marcos #txwxâ NWS San Antonio (@NWSSanAntonio) May 24, 2015 4:05 a.m. CDT Sunday: Flood wave now moving onto San Marcos River in Texas.Blanco River near San Marcos now at 38.55 feet.vacuated #SMTX neighborhoods include the Blanco Gardens area, Crepe Myrtle/Pecan/Hackberry St., and part of Blanco Vista near the river.â San Marcos (@CityofSanMarcos) May 24, 2015 3:51 a.m. CDT Sunday: Flooding shown on the Blanco River in Hays County, Texas.