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Saturday, 12 July 2014

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Paul

That is a very weak response. Slothful in fact. The chart is satellite data for global mean temperature change. This is global data, not a statistic for one city or something completely meaningless like 'of the 22 years with at least 10 days above 25 degrees in April, half have fallen in the past two decades'. So what. What about other months? What about days with colder temperatures?

By the IPCC’s own method, and its "computer models", the central estimate of the global warming that should have
occurred since September 1996 is 0.313 x 0.704 = 0.22 Cº. But the observed, real-world outturn is 0.00 Cº. Facts, not models.

PythonMagus

Another interesting chart which presents data in such a way that no-one can understand the data.

Where is this fact in the chart:
"Of the 22 years with at least 10 days above 25 degrees in April, half have fallen in the past two decades"

Where is this fact:
"over the past 155 years of records for Sydney, the average number of days of 25 degrees or warmer in April is five. However, over the 1995-2014 period, the average of such days has risen to nine."

I agree that these changes do not represent the apocalyse predicted in 85 years, but they indicate a warming trend that requires us to consider the impact this will have, not search for carefully crafted charts that encourage sloth and turpitude.

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