Let's put it this way. I have to take my temperature every day before I go in to work. I have two thermometers. One work gave me and one is mine. The work one registers in about 10 seconds. I often take it three times in a row because I think it reads low. I get three different readings each time, usually within half a degree or so of each other, but up to
a degree different from highest to lowest. Then I tak my temperature with the other one and it tends to read up to a degree higher. There are so many factors as to why it shifts around. I wouldn't worry.
I have to take my temp for work each day and I have been at 99 without feeling crummy even. were you under blankets for your nap? I'm frequently warmer after a nap
Well, that bouncing between temps was newish, though I think it's happened before. Unsure, though.