Earlier today when I was in Garden Grove (I drive around for Offerup deals) it was in the low 70s. Quite nice.
About half an hour ago the lingering clouds finally broke and gave us some afternoon sunshine here, although the chilly water makes its presence known with every puff of the breeze. Feels like an afternoon in the middle of May.
Don't know, it's not like there isn't plenty to corroborate it .
https://www.atmos.washington.edu/marka/bham_herald_jan50/1950-01-13 No Relief From Near Zero Mark.pdf