By Paul Homewood
Following the pause busting adjustments made by RSS, we need to keep in mind how GISS have been up to the same tricks for years.
Last year, of course, they instituted the same massive set of adjustments that NOAA had done, following Thomas Karl’s efforts. However, although these were by far the largest ones, in recent years other adjustments had been made, gradually cooling the past and warming the present.
One of the problems in trying to keep track is that, unlike RSS, they don’t archive old data. Also, because they only report anomalies, it is impossibly to identify which years have been adjusted in absolute terms.
Fortunately, bloggers have been archiving their own GISS records, and we also have the Wayback Machine, so we can piece together some of the recent alterations.
First, let’s take the GISS LOTI dataset produced for April 2008, as archived by…
View original post 312 more words
4TimesAYear's Blog 