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 July 2013:
Roy Spencer
Global Temperature Report: July 2013
Global climate trend since Nov. 16, 1978: +0.14 C per decade
July temperatures (preliminary)
Global composite temp.: +0.17 C (about 0.31 degrees Fahrenheit) above 30-year average for July.
Northern Hemisphere: +0.13 C (about 0.23 degrees Fahrenheit) above 30-year average for July.
Southern Hemisphere: +0.22 C (about 0.40 degrees Fahrenheit) above 30-year average for July.
Tropics: +0.08 C (about 0.14 degrees Fahrenheit) above 30-year average for July.
Go here to see the monthly satellite data since 1978.
In other global temperature trends news, the National Oceanic and Atmospheric Administration has declared:
Four major independent datasets show 2012 was among the 10 warmest years on record, ranking either 8th or 9th, depending upon the dataset used. The United States and Argentina had their warmest year on record.
