As per one reference, here is the comparison between old and new corrections.

Originally shared by VAL-U-PRO CONSULTING GROUP, LLC - SRIKANTH KIDAMBI

As per one reference, here is the comparison between old and new corrections. #GlobalWarming #NOAA - Do you see a big difference?
https://cdn.arstechnica.net/wp-content/uploads/2015/06/noaa_temp_update1.png