The White House was unhappy that the world isn’t warming, so they told NOAA to alter the data, and make the hiatus disappear.
The apparent observed slowing or decrease in the upward rate of global surface temperature warming has been nicknamed the “hiatus.” The Intergovernmental Panel on Climate Change’s (IPCC) Fifth Assessment Report, released in stages between September 2013 and November 2014, concluded that the upward global surface temperature trend from 1998-2012 was markedly lower than the trend from 1951-2012.
Since the release of the IPCC report, NOAA scientists have made significant improvements in the calculation of trends
Science publishes new NOAA analysis: Data show no recent slowdown in global warming.
This isn’t the first time they have done this. They have repeatedly altered the temperature record, which now looks nothing like the 1974 NCAR graph
The overlay below shows the 1974 NCAR graph on top of the current graph. NOAA has created an almost completely fictitious temperature record, in order to suit the political agenda of the people who pay their bills.