​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Can someone help me decipher my chart. When did I ovulate and why did my temp drop below the coverline

Alannah • Wife and mother of 2 boys 10/02/13 and 03/09/19 and 1 princess 05/17/21