So confused

Savannah • Married💍Dog mom🐾TTC BABY#1💓

I have been tracking bbt for two days... I know that’s not long, but what does it mean when you temp drops .09? On Friday it was 97.88 and this morning it was 97.79.

I’ve tested at 8 am both times. I set an alarm because I know it’s important to test at the same time every day.