ovulation?

hi I don't know if anyone can help with the info I have but here goes...due to being away I only started temping on CD16! temps go as following, CD16 35.4, CD17 35.4, CD18 missed, CD19 35.8, CD20 35.5, CD21 35.7, CD22 35.7, CD23 36.7! I had ewcm on CD16, I had a few too many drinks at a party on CD17 also had watery cm. A what looked like a +opk on CD18 so imseminated that night and have been -opk since.my temps have been higher for 3 consecutive days...did I ovulate? I have pcos but am skinny!