BBT??

Kiele
So I have been taking my BBT for a week, and it's been a steady 96.2 while I was on my period.
Well this morning when I took it, it was at a 95.7, is this right? Did I mess up somehow? I know my BBT is supposed to raise .5-1.0 when I am ovulating. 
Maybe I'm messing it up somehow.