Please help - Not sure what to make of this chart

Kally • 👼🏼5.02.19 🌈 and 1 gorgeous girl 👧🏽🥰

Why are my post ovulation temps so low... there doesn’t seem to be a ‘surge’.

Any advice please??

I also had EWCM today, when I add it to the notes, it removes the ovulation prediction?!