Temperature can vary throughout the day and can depend on your environment, food/drink, and a number of other things. I had to remind myself this just the other day when my temperature was "off". Guess what it was? 99.5. In fact I was at the doctor the other day to get out of a test and my reading was the same. I was worried because it "actually" was high so at the end of my visit I asked if I should keep an eye on my temp and they said no, it's not a fever.
I was pretty alarmed at those numbers because my temp is usually low 97s. I did feel warm which contributed to my anxiety. Why was I so hot?? Must my body cooking to fight off a terrible infection like meningitis. I have thought this before...
But I sit with those feelings and try to wait for them to pass or come up with alternative thinking. Like, "oh, well it is significantly hotter out today than it has been the last few weeks - it's getting close to summer."
By the way, I too am guilty of having an hr monitor.