Between November and December of 2012, Hansen massacred the global temperature record to add an additional 0.1C warming – by cooling the past and warming the present.
More than 10% of Hansen’s claimed global warming trend is due to his Christmas 2012 tampering.
How the Grinch Stole Cooling
That’s the change in sea surface temperature from the combination of HADISST/Reynolds OI.v2 to ERSST.v3b.
Regards
Kinda like a few years ago when the September temperatures were used in reporting the October temps in a critical monitoring area of Siberia