You know that saying "It ain't over til the fat lady sings"? If that's true she must have really been belting out the tunes last night. I woke about 6:15. The thermometer on the front porch read 33 degrees. But.... further away from the house it must have been much, much colder.
Things in the garden that weren't covered were frozen stiff:
I'll have to go out again later to see what, if anything, is salvageable. sigh... I wasn't expecting this for another couple of weeks.