Global Temperature Trend Update—March 2013
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 2013:
Global climate trend since Nov. 16, 1978: +0.14 C per decade
March temperatures (preliminary)
Global composite temp.: +0.18 C (about 0.32 degrees Fahrenheit) above 30-year average for March.
Northern Hemisphere: +0.33 C (about 0.59 degrees Fahrenheit) above 30-year average for March.
Southern Hemisphere: +0.04 C (about 0.07 degrees Fahrenheit) above 30-year average for March.
Tropics: +0.22 C (about 0.40 degrees Fahrenheit) above 30-year average for March.
Go here to see the monthly satellite data from 1978 to the present.
