I wasn't kidding yesterday when I said I had come back to winter.
Yes I know it's a terrible picture of the back of a warehouse, but look, up there, on top of Mount Baldy... it's snow! (just above and to the right of the street sign).
I didn't notice this until I was driving to work and had to pull over to take a picture (hence the terrible foreground). Amazing. It wasn't snow-weather down here in the Pomona Valley but it has stayed crisp and cool. The season has turned.