There was a really good one @DeltaT13 went to a few years ago. I think it was 20" in Orchard Park and it happened in middle of game. I think it was against the Eagles? It's a really rare occurrence to get everything timed right. We only have 8 Bills home games and only 2-3 in Nov/Dec. However, with the Bills being good now, we can add 1-2 games a year of playoff football into the mix! I had to work that day and am so mad that I missed it. I'll be going to almost all the games this coming year, cant wait!
Here it is
https://www.weather.gov/buf/lesEventArchive?season=2017-2018&event=C