Help with my BBT...

Can anyone please help me analyze this..? This is my 6th month TTC, and my first month tracking bbt and using OPKs. I haven’t had a positive opk yet, but I haven’t taken one today yet. Any clues in the chart as to when I might be ovulating or may have ovulated? (That first huuuge spike on the 22nd may have been because I had beer the night before so that piece of data is slightly compromised... but doesn’t explain the random dip two days after) thanks girls!!