When was my peak day?

Hi everyone! This is my first chart still in progress (following Toni Weschler’s TCOYF method) and the only thing I find a little difficult is reading my CM. I was at the obgyn on day 13 and she said I was ovulating which was also when I had egg whitey cm but I’ve had a lot of creamy/sticky until just a few days ago (I’m on day 24). My question is, is my peakday the 17 or 18 day? I disregarded day 15’s high temp cuz I had had several drinks the night before. Thanks in advance!