In message , B-O-N-Z-O
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"Rob Dekker" wrote in message
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"Sirius" wrote in message
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Rob Dekker a écrit :
"Sirius" wrote in message
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On Thu, 24 Jun 2010 12:39:09 -0700, JohnM wrote :


Second warmest, that could be the beginning of a cooling trend ?
Why don't you check out which was the warmest May ever. Then you can
unequivocally say that it has cooled since then :-7
May 1998 was warmer. May months from then show a cooling trend.

John, he just made your point.

The 1930's and 1940's were pretty warm years too. It seems that at some
point 1934 was considered the warmest year since instrumental recording
began.

At some point yes. That point is long gone now.



According to GISS 1934 is the warmest year yet.
Year temp dev
1934 +1.25
1998 +1.23
1921 +1.5
2006 +1.13
1931 +1.08
1999 +0.93
1953 +0.90
1990 +0.87
1938 +0.86
1939 +0.85

Where did you get this list ?

Here is the global temperature record :
http://data.giss.nasa.gov/gistemp/graphs/Fig.A2.lrg.gif

The planet left 1934 temperatures in the dust, and never looked back.



Looking at your graph, at least two questions arise.


What caused the warming from about 1915 to about 1945?
This warming appears to be identical in slope and duration to that from 1975
to 2000.
Can't have been CO2!

Why not? There was plenty of industrial use of fossil fuels at the
start of last century.

What caused the COOLING from about 1945 to about 1975?

What cooling?

http://www.nature.com/news/2008/0805...l/453569a.html
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