Late Frost in Central PA

UPDATE: These amounts were reported by other AccuWeather meteorologists taking manual observations: 27 at Dave's house; 26 at Brett's.

A late frost occurred this morning in State College, Pennsylvania, home of AccuWeather HQ [Google Map] and I snapped a couple pictures of it:

The temperature at my house fell to 28 degrees this morning. Here are other local temperatures from our local mesonet via MESOWEST (The Government Mesonet):

Elliot Abrams: 34 KUNV: 33 AccuWeather: 33 Joe Bastardi: 32 Jesse Ferrell: 28

The coldest official reading (not counting Mount Washington @ 21) was 24 at Bradford, PA, and Saranac Lake, NY, both typical cold spots, but also at Berlin, NH and multiple unofficial stations in the PA area. This morning was much cooler than yesterday morning (except at Mount Washington who hit 18) with no stations reporting readings below 25 degrees yesterday.

We won't know how many records were set until tomorrow when the NCDC Records Site catches up, but I read that record lows were tied at Trenton, NJ and broken at Wilmington, DE, Allentown, NJ, Pittsburgh, PA, and Morgantown, WV, among others. Yesterday, 83 record lows were broken and 60 were tied - most of those were in the East.

It's hard to say where frost occurred this morning because it's not dependent just on temperature, and it's not reported by the government stations that report weather. Here is our prediction map from last night; this is probably close to ground truth.