Remote Sensing Systems of Santa Rosa, CA has published the January 2011 global temperature anomaly. It is not far from zero, and dropped quickly much like Dr. Roy Spencer’s UAH data this month. But, there’s a surprise. RSS has changed from Version 3.2 to 3.3 of their dataset, and adjusted it a bit cooler in the near term. Here’s a comparison plot:
Curiously, there’s no mention of this new v3.3 data set on their web page describing the MSU data products they produce:
Perhaps they just haven’t gotten around to updating it yet.