Data Source Hierarchy

The GHCNM v3 is reprocessed on a daily basis, which means as a part of that reprocessing, the dataset is reconstructed from all original sources. The advantage to this process is when source datasets are corrected and/or updated the inclusion into GHCNM v3 is seemless.  The following sources (more fully described in section 2.2.1) have the following overwrite precedance within the daily reprocessing of GHCNM v3 (e.g. source K overwrites source P)


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