There are always peaks and troughs but I think the biggest spike in our history was the P*d*rs*n & C*ll*h*n firing and Coach Pelini hiring. The Big 10 switcheroo was probably a very close second and I'm just spitballing here. The admin or one of the other mods may have the actual head count and I could be proved wrong. $.25
I'm on here pretty steadily throughout the year. We went from semi-sleepy offseason doldrums to the kind of traffic we usually have during the season in about two days. I don't know actual factual numbers, but it was busy.