WUWT
Key facts about global temperature
Ø The RSS satellite dataset shows no global warming at all for 214
months from September 1996 to June 2014. That is 50.2% of the entire
426-month satellite record.
Ø The fastest measured centennial warming rate was in Central England
from 1663-1762, at 0.9 Cº/century – before the industrial revolution.
It was not our fault.
Ø The global warming trend since 1900 is equivalent to 0.8 Cº per
century. This is well within natural variability and may not have much
to do with us.
Ø The fastest warming trend lasting ten years or more occurred over
the 40 years from 1694-1733 in Central England. It was equivalent to 4.3
Cº per century.
Ø Since 1950, when a human influence on global temperature first
became theoretically possible, the global warming trend has been
equivalent to 1.2 Cº per century.
Ø The fastest warming rate lasting ten years or more since 1950
occurred over the 33 years from 1974 to 2006. It was equivalent to 2.0
Cº per century.
Ø In 1990, the IPCC’s mid-range prediction of the near-term warming
trend was equivalent to 2.8 Cº per century, higher by two-thirds than
its current prediction.
Ø The global warming trend since 1990, when the IPCC wrote its first
report, is equivalent to 1.4 Cº per century – half of what the IPCC had
then predicted.
Ø In 2013 the IPCC’s new mid-range prediction of the near-term
warming trend was for warming at a rate equivalent to only 1.7 Cº per
century. Even that is exaggerated.
Ø Though the IPCC has cut its near-term warming prediction, it has
not cut its high-end business as usual centennial warming prediction of
4.8 Cº warming to 2100.
Ø The IPCC’s predicted 4.8 Cº warming by 2100 is more than twice the
greatest rate of warming lasting more than ten years that has been
measured since 1950.
Ø The IPCC’s 4.8 Cº-by-2100 prediction is almost four times the
observed real-world warming trend since we might in theory have begun
influencing it in 1950.
Ø Since 1 January 2001, the dawn of the new millennium, the warming
trend on the mean of 5 datasets is nil. No warming for 13 years 5
months.
Ø Recent extreme weather cannot be blamed on global warming, because
there has not been any global warming. It is as simple as that."
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