NOAA/ESRL/PSD Catalog http://www.esrl.noaa.gov/psd/thredds/catalog/Datasets/kaplan_sst/catalog.html

Dataset Size Last Modified
     Folder  kaplan_sst   --
         sst.mean.anom.nc 8.206 Mbytes 2018-05-20T18:27:14Z
         sst.mon.anom.nc 8.206 Mbytes 2018-05-20T18:27:14Z

NOAA/ESRL/PSD at NOAA ESRL PSD see Info
THREDDS Data Server [Version 4.6.11 - 2017-12-04T16:22:46-0700] Documentation