“Thorough, not thoroughly fabricated: The truth about global temperature data”… Well, not *thoroughly* fabricated.

Watts Up With That?

Guest post by David Middleton

Featured image borrowed from here.

ARS Tecn

If you can set aside the smug, snide remarks of the author, this article does a fairly good job in explaining why the surface station temperature data have to be adjusted and homogenized.

There is just one huge problem…

US Adjusted “In the US, a couple systematic changes to weather stations caused a cooling bias—most notably the time of observation bias corrected in the blue line.
Zeke Hausfather/Berkeley Earth”… I added the the natural variability box and annotation.  All of the anomalous warming ince 1960 is the result of the adjustments.

Without the adjustments and homogenization, the post-1960 US temperatures would be indistinguishable from the early 20th century.

I’m not saying that I know the adjustments are wrong; however anytime that an anomaly is entirely due to data adjustments, it raises a red flag with me.  In my line of work…

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