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Temperature corrections of the Northern Hemisphere

Posted by Administrator (admin) on 24th February, 2010
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Full story and blog here.
Most skeptics are aware, but it cannot be repeated too often: Temperature data presented before the global warming movement really started in the mid 1980´ies compared with recent official temperatures shows that the temperature trends 1940-1978 has been changed fundamentally.

I believe the best way to show this is simply to compare temperatures of the largest possible temperature area from before the 1980´ies with the same area presented today.  The area best suited for this is the entire Northern hemisphere. Temperatures in National Geographic 1976:

(Alternatively NH temperatures from Stanley 1975 )
Now compare the 1935-1975 decline for the same area - the entire Northern hemisphere - presented by CRU/Brohan 2006:
Below, the two NH temperatures datasets above (National Geographic 1976 vs 2008) are shown together:

History has been rewritten.

Full story and blog here.

Last changed: 18th March, 2010 at 09:34:52