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, 2010.
The global-average lower tropospheric temperature continues to be quite warm: +0.65 deg. C for March, 2010. This is about the same as January. Global average sea surface temperatures (not shown) remain high. Go here for the satellite data.
Global climate trend since Nov. 16, 1978: +0.13 C per decade
Part of the explanation for the recent uptick in global average temperatures is that an El Nino has been warming the eastern Pacific ocean for the last few months. See below.