Do you have random days where your breastmilk supply is low? (Not period related)

I'm 3 months into EBF and my supply has regulated and is mostly consistent... however I do have random days (or a couple days) where my supply is much lower than normal. Not to the point that my baby isn't getting fed, but she will drain both breasts during a feeding and continue to want to suckle on me, when usually one breast is enough to satisfy her. Then a couple hours later when I've usually refilled, she will again drain both breasts and keep suckling.

Then a day or two later the supply will return to normal.

Does anyone else who is EBF experiencing this?