I would guess it could be the beginning of your surge. I don't think the amount of LH would be random, I think its fairly steady and then suddenly goes up prior to ovulation. I have only used digital OPKs which I guess are more expensive, but there is no room for interpretation, its just a Yes or a No, which I like.
OPK's are actually of no benefit or use whatsoever if you have PCOS.
These kits read LH levels; with PCOS there is often an excess of this hormone to start with so the kit will be reading that excess level.
I would refrain from using OPK's as of now and have blood tests done by your GP to see what your hormone levels (particularly LH to FSH) are like now. It may be that you will need some medical help from a gynae in order to conceive.