CM and LH question, so confused

Please help.

We've been TTC our first for 14 months. It just occurred to me that all my fertile CM appears on CD 9 and 10, about 5-6 days before Glow says I ovulate. It disappears after that. On OPKs, my LH surge shows within a day or two of Glows expected ov date, but all the fertile CM is gone by then. My temp rise is when Glow says I ov. QUESTION, is it possible that my ovulation is when I get my fertile CM and that my LH surge and temp are like slow rise a few days later?? Or is my fertile CM always disappearing too soon? (Yes we've tried preseed many times). Thanks for your input!