I don’t have a chart but pls help

I know it’s hard to tell without a chart but I need your help!!

My last period was the 19th of January, im stressing out big time now and fed up to say the least that I’m not ovulating and my body has failed me😥

Last week when I was taking my bbt it was 36.2 (no higher) on Monday it was 36.39, Tuesday it shot up to 36.72, Wednesday 36.63, Thursday 36.53, Friday 36.44 and today it’s 36.39. So I’ve definitely got 3 temps higher than my previous 6 to confirm ovulation. However why has my temp dropped so suddenly on what could possibly be 5 DPO???

I don’t even feel like I’ve ovulated, however I’ve had mild cramps and sore boobs but they symptoms seem to have gone now.

Thanks for your help.