TDS Installation Catalog https://psl.noaa.gov/thredds/catalog/Datasets/dai_pdsi/catalog.html

Dataset Size Last Modified
     Folder  dai_pdsi   --
         pdsi.mon.mean.nc 51.71 Mbytes 2020-04-13T14:30:45.878Z
         pdsi.mon.mean.selfcalibrated.nc 62.74 Mbytes 2020-04-13T14:30:45.733Z

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