Weird temps this cycle, too low temps?

kris

Not sure why my temps are low after ovulation. I read that dip around 5 dpo can be second estrogen surge. But after that I had higher temp just for 3 days, and than low temps again and then today rise again. I did progesterone blood work 8 dpo and level was 8,680 ng/ml (approx. 27 nmol/L) so I did ovulated. Can this be a sign of low progesterone?