Texas high schools are now required to use Wet Bulb Globe Temperature (WBGT) readings before and during outdoor athletic practices and marching band activities under new University Interscholastic League (UIL) rules. The updated safety requirements are designed to better protect students from heat-related illnesses during extreme Texas weather. The new rules require that schools take WBGT readings within 15 minutes before outdoor practice begins and continue to monitor conditions every 30 minutes during practice. High school athletics and marching band are central to many East Texas communities, making the new safety requirements especially significant. These 7 Tips Will Help Reduce the Heat Inside Your Car in East Texas The heat in East Texas is no joke, especially inside our vehicles after they've been parked outside for a while.