Please be informed that GHRSST Level 4 MUR v4.0 (netCDF3 format) will be retired from the PO.DAAC in a few weeks. The last day of the available dataset will be on or around the 15th of July 2017. Users are encouraged to use the newest version, GHRSST Level 4 MUR v4.1 (netCDF4 format), which has been fully reprocessed back to 2002.
The v4.1 data can be found here via OPeNDAP:
The dataset information page is here: