There's a few years when we've had at least 1" of snow in early April.
Could this be another of those times?
Off the top of my head the years in which we had at least 1" of snow in April at the Park or one of the airports were:
1982, 1983, 1990, 1996, 1997, 1999, 2000, 2003, 2006, 2018