15” expected in State College?? You talking about State College, PA? I don’t think so. Don’t know where you got your weather report from.
State College PA, yes but the Fed Weather Bureau reports for my area in Milroy-Mifflin County and my building at the PSU Campus was next to AccuWeather. They also reported the depth..
I measured this AM and I made a mistake on my post. We got 16”