Not really because EWR has been running a general 3 to 5 sometimes even 6 degrees higher than any other reporting site. Today its been 2 degrees as they've been at 91 and TEB/SMQ are 88-89. CDW is 15 miles away but 86 (I believe its 200-300 feet ASL at the airport where they measure). Linden is no longer used as a surface station