Well, first off, Welcome!
Now, let's get this out of the way...
As the saying goes: a hiding BP is a happy BP.
You mentioned your temps are controlled by a t-stat, but didn't mention the actual temps. So, what are your temps?
Where and how are you measuring temps?
Does the snake have more than one hide?
How often and for how long are you handling the snake?
Answering these questions will help us help you.