Claymore help, I am getting way too much of fluctuation in my effective hash rate in 4.1 miner for windows. Miner shows 62.4MH/s but effective is 55 MH/s, and it goes down to 40 and up to 65 etc. With 3.2 miner I got way better effective hash rate. Help?

I got -ethi 16 and ethermine pool.