Wednesday, April 6, 2011

Global Temperature Trend Update: March 2011

Every month University of Alabama in Huntsville climatologists John Christy and Roy Spencer report the latest global temperature trends from satellite data. Below are the newest data updated through March, 2011 (the usual temperature trend graph has not been provided at this time).

March 2011 was coolest in more than a decade
--Global climate trend since Nov. 16, 1978: +0.14 C per decade

March temperatures (preliminary)
--Global composite temp.: -0.10 C (about 0.18 degrees Fahrenheit) below 30-year average for March.
--Northern Hemisphere: -0.07 C (about 0.13 degrees Fahrenheit) below 30-year average for March.
--Southern Hemisphere: -0.13 C (about 0.23 degrees Fahrenheit) above/below 30-year average for March.
--Tropics: -0.35 C (about 0.63 degrees Fahrenheit) below 30-year average for March.

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