Writing from airport, more later- Anthony
MORE- here is the link for those that can’t find it:
Reference: HadCRUT3 anomaly data which can be found here
description of the HadCRUT3 data file columns is here
May is surprisingly large, Mosh nailed it best with his “no change” first guess. But it appears there may be some missing data according to commenters. HadCRUT took quite a long time to get this number out.