NOAA Releases New Pause-Buster Global Surface Temperature Data and Immediately Claims Record-High Temps for May 2015 – What a Surprise!

Watts Up With That?

Guest Post by Bob Tisdale

NOAA recently published their State of the Climate Report for May 2015. Under the heading of Global Summary Information, they note:

Note: With this report and data release, the National Centers for Environmental Information is transitioning to improved versions of its global land (GHCN-M version 3.3.0) and ocean (ERSST version 4.0.0) datasets. Please note that anomalies and ranks reflect the historical record according to these updated versions. Historical months and years may differ from what was reported in previous reports. For more, please visit the associated FAQ and supplemental information.

But of course we know the adjustments that led to the new NOAA ERSST.v4 sea surface temperature data (the biggest changes to the NOAA data took place in the ocean portion) are not supported during the global warming slowdown period by the night marine air temperature dataset (HadNMAT2 from the UKMO) that…

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