Just don't think that we are getting on you or anything. We really are just trying to help and I'm glad you're wanting to make some improvements.
For properly monitoring temps just run to Walmart and in the section where you find tools, paint, DIY, find the outdoor thermometers.. Look for the smallish grey rectangular one called the accurite weather station. It has a probe on a long cord. It reads 2 temps and the humidity. Place this directly inside the enclosure on the cool side. Put the probe on top of the heat mat on the hot side.
The "outside" temp on the screen will be the probe reading of the hot side. This should be 90 degrees give or take a couple degrees.
The "inside" temp will be your cool side/ambient temp reading which should be 80 degrees give or take.
The humidity should be at least 50% or above. 65-70% is preferable during the week of shedding.
If these temps are not reached and maintained, your snakes will be stressed. Wether they show signs or not. They will be unable to properly digest their food, fight off illness, and more likely to get an RI.