...you need to stop conflating things (that, or it was just a way to cheap shot the "competitive" programs; in that case knock it off anyway). The fall season in Texas is hot, and it has been that way since God talked to Moses. The kids need to learn how to acclimate to the climate, and revisiting the 8 Hour Rule will not change that. The use of the WBGT is the best way to determine when hot becomes too hot...and if you need to continue rehearsal indoors, that time still counts toward your 8.