Am i ovulating yes or no???

With clear blue digital test my results come out that i am not ovulating so i am confused because with this test 2 lines when shown i am supposed to be ovulating i been checking my body temperature and it different everyday from 97°-100° is that normal when 98.6 is normal body temp. So still confused can anyone give me any advice or info of whats going on. Thank you all for help!!