So is a consistent 72 ambient temp okay across the entire cage both day and night during the winter? I'm asking again b/c it just feels intuitively low and counter to other corn snake care sheets. I now have the UTH set to 86 which makes it range b/t 84 and 88. Might be totally fine at 72 throughout as long as I have the UTH, but still "feels" like I need another heat source to bring up the ambient temp in at least half of the enclosure (even if it's just to a 86-88 temp to match the UTH).