Not so alarming here, I guess. Last year we had a lump of cold move through in early June, leaving snow over parts of the Grass Lake area and a fresh coat on Mt Shasta. The year before, it snowed over Memorial Day weekend. I know, because I was up at the Running Y trying to keep my bass tuned at an outdoor gig.
(later- changed labor day to memorial day. I always think labor day is in May. Must be the commie in me)
Which is why last year, during the Earth Day celebration, where they had the group of scientists outside in Antarctica playing music, I laughed til I cried.