Climate Audit’s McIntyre on Muller’s BEST Data ‘Quality’: ‘In a surprising number of records, the ‘seasonally adjusted’” station data in the Berekely archive contains wildly incorrect data’
'It seems likely that there is some sort of error in the BEST algorithm for calculating monthly anomalies as the problems are always in the same month...Unfortunately, BEST has directly used GHCN location data, apparently without any due diligence of their own on these locations, though this has been a known problem area'
