Oh yes! That's even a good time for spontaneous interviews with individuals and groups participating.
As a self-proclaimed expert I would say that it is crucial to know where the parade starts from (not just which streets it will be passing) and coming earlier to see the preparations around the starting point - is the most fun of all.
1) You must get to the parade and that means driving or walking to the parade carrying a spacious bag to stash those parade trinkets, flyers, and other paraphernalia passed out or thrown. (Bring some water too)
Call for Papers:
Transnational Organised Crime: A Strategic Challenge for European Security
Workshop on 4/5 August, 2016 at Aberystwyth University