As of last year, NOAA didn’t show much, if any August warming for almost 20 years.
That didn’t suit Barack Obama’s agenda, so they simply changed the data to make the hiatus disappear.
Last year’s version : 201408.gif (813×525)
This is on top of the massive data tampering they did prior to 2014.
NOAA has completely erased the 30 year cooling trend, and now simply fabricate imaginary data for the southern hemisphere.