Can anyone help me with these OPKS??

Zarah • Professional Photographer in Arizona. Married for 4 years Currently Pregnant with peanut #3
Okay, so I got, what I thought was my surge on the 16th, and my tests started getting lighter so I thought it was over, then they started getting darker, and they are darker then my surge. So were my earlier tests not ovulation, and I'm ovulating now? Please help me!!!