So I raised the top cage by 1.5", still only an air gap no insulation yet, and now the hottest spot I can find on the floor under the substrate is 95F (its a small area) and it has a range of 95 - 86 in the area directly above the lower RHP. On top of the substrate is between 88 - 91 on the side directly under the RHP and 78 - 81 on the cool side with the floor on this side a few degrees cooler then the substrate. Ambient air temp is hovering around 83 - 85 across the cage. All floor and substrate temps are being collected with a temp gun and ambient temps are from the Accurite thermometer/hygrometers. I've been able to maintain a humidity fluctuation between 50 and 70. I am recording how much water I add and when to be able to get it under even finer control but from my reading here this should all be fine. The floor still being over 90 in some spots I think is the only issue still to attack. I may have to break down and get some insulation to isolate it more.