Texas summers hammer roofs with heat over 100 degrees, making shingles dry out...

https://wiki-wire.win/index.php/When_Texas_Homeowners_Find_Hidden_Rot_After_a_Storm:_Luis%27s_Story

Texas summers hammer roofs with heat over 100 degrees, making shingles dry out and crack fast. When spring storms roll in with hail, roofs take a beating that often sneaks past a quick look