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- Apr 3, 2005
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smithy said:<snip>Here's a chart from the Met Office showing the flat rate of change in the 00s compared to the 90s<snip>.
That is a very interesting graph. It clearly shows that comparing year to year or even over a number of years is basically useless. You can only compare over a long period of time and get anything even close to a sensible result.
e.g. There's a big spike in 1998, the hottest year on that graph. If you take there as a starting point and work forwards it looks like the world is cooling, taking 1997 OTOH gives you rapid heating. I thought the sceptics might of had a point in there somewhere, but clearly obvious this is deliberate manipulation of the data.
BTW the 1998 spike was caused by El Nino, that heats the world, the relatively depressed figures for the remaining years are caused by a long La Nina cooling event.
The prediction for 2010 is to beat 1998.