What I meant by "primo" is that there are rock walls erected from other campers. As noted, it can get nasty windy up there. Even those rock walls provide little comfort.
You may want to bring a bivy, wool hat, balaclava, gloves, primaloft vest or jacket.
As noted in another post, camp below the summit.
As a side note, you may want to check out the crash site on the south slope.
Hellcats. Please leave everything in its place. It is a "memorial."
