Roy Spencer On Satellite v Surface Data

In my opinion, though, a bigger problem than the spotty sampling of the thermometer data is the endless adjustment game applied to the thermometer data. The thermometer network is made up of a patchwork of non-research quality instruments that were never made to monitor long-term temperature changes to tenths or hundredths of a degree, and the huge data voids around the world are either ignored or in-filled with fictitious data
Indeed.

NOT A LOT OF PEOPLE KNOW THAT

By Paul Homewood

trend

http://woodfortrees.org/plot/rss/from:1998/to:2017/every/plot/rss/from:1998/to:2017/trend/plot/gistemp/from:1998/plot/gistemp/from:1998/trend

With the continuing divergence of surface and satellite temperature records, it is worth revisiting what Roy Spencer had to say on the issue in 2014:

Much is being made of the “global” surface thermometer data, which three-quarters the way through 2014 is now suggesting the global average this year will be the warmest in the modern instrumental record.

I claim 2014 won’t be the warmest global-average year on record.

..if for no other reason than this: thermometers cannot measure global averages — only satellites can. The satellite instruments measure nearly every cubic kilometer – hell, every cubic inch — of the lower atmosphere on a daily basis. You can travel hundreds if not thousands of kilometers without finding a thermometer nearby.

(And even if 2014 or 2015 turns out to be the warmest, this is not a cause for concern…more about that later).

The two main…

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