NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/stdmet/plsp4/catalog.html

Dataset Size Last Modified
     Folder  plsp4   --
         plsp4.ncml 302.0 bytes 2017-11-15T16:15:19.987Z
         plsp4h2010.nc 4.494 Mbytes 2010-12-31T23:54:00Z
         plsp4h2011.nc 4.328 Mbytes 2011-12-31T23:54:00Z
         plsp4h2012.nc 3.476 Mbytes 2012-12-31T23:54:00Z
         plsp4h2013.nc 1.000 Mbytes 2013-03-18T13:06:00Z

National Data Buoy Center THREDDS Server at National Data Buoy Center see Info
THREDDS Data Server [Version 4.6.14 - 2019-07-23T11:04:31-0600] Documentation