If you have maples blooming it's time to do your manipulations. It needs to be a warm day (55-60) but followed by a fairly warm night. If the cluster has moved up you can rotate boxes. Check for queen cells and nectar while you are in there. You need nectar to finish winter or you will need to feed. Hopefully you wiped out mites starting in August but it is probably time to do a mite check before supers go on.