This is true stuff. Think of it like a HEAT INDEX or a "Feels like"
Most people will just hop on here and try to blast people for giving "Wrong" advice and in reality you wouldn't be on this forum if you were seeking one individuals advice. Some people ::Cough:: just think they are always right and have small little pea brains
Truth be told resin production is at its peak during the fall temperatures and this is a scientific fact. That means that 100+ temps are not optimal for budding. Could this be causing your plants to die, Maybe. I think it more pertains to you getting close to the end of flower and your plant was lacking in some nutrient departments. Make sure your res is always PH'd and you are feeding properly. Best of luck!