Temperature Trends for the last 120 months – HadCrut

Digital Diatribes

Here are the latest charts for the HadCrut Global Temperature Anomalies, for the 10 year period ending March 2012.

The Data

What is presented here is the trend over the last 120 months, the slope of which has been in very consistent decline over the last decade. The current slope itself is -.083722, which represents a cooling rate of 0.1 degrees per decade. The negative slope of -0.086789 that occurred as of the ten year period ending February 2012 was the steepest negative trend line fitted since May 1969, if my spreadsheet and eyeballs are working correctly!

Chart below:

The next chart is simply a point of comparison. The highest slope value in recent years occurred with the 10-year period ending June 2002. The ten year slope does wobble, but not as much as the five year slope does.

Finally, I just wanted to graphically show what has transpired with…

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