BBT chart! When did I ovulate?

I bought an Ava bracelet which takes your resting skin temperature and so some of my temps were too low to chart in a normal bbt chart. I drew up my own. When do you think I have ovulated? Ava predicted I am ovulating tomorrow on CD18, but I got my peak on CB digital on CD 13 and my peak on OPK CD14. So rather confused!? Pics have been added!