CM vs BBT?

Cecilia • Mommy to our rainbow princess Manuela Carolina (born Feb 2017) after a miscarriage in November 2015. Baby Boy due March 2020!
What do you ladies think? If I have creamy CM today, but my temp didn't rise yet could I be ovulating today?
Here's some background:
I use OPKs and I take my bbt as well as check my CM I order to help determine when my husband and I should BD
This is the third month we are TTC after a miscarriage in November (I am 36 TTC #1). I usually get my positive opk between CD 12-14 but this month it came on CD 16 (pretty sure my ovulation was delayed due to stress and being sick during the days I would usually ovulate). My bbt tends to rise two days after my positive opk but this morning (CD 18) it didn't rise. In checking my CM it's definitely creamy today (I had egg white CM on the day of my positive opk two days ago). Here's my chart so far: