THREDDS Data Server Catalog https://dap.ceda.ac.uk/thredds/catalog/badc/cru/data/cru_ts/cru_ts_3.21/data/frs/catalog.html

Dataset Size Last Modified
     Folder  frs   --
         cru_ts3.22.1901.2013.frs.dat.nc 2.811 Gbytes 2014-09-19T12:21:47Z
         cru_ts3.21.1901.2012.frs.dat.nc 2.786 Gbytes 2013-12-12T10:09:48Z

THREDDS Data Server at CEDA see Info
THREDDS Data Server [Version 4.6.15 - 2020-06-16T13:36:16-0600] Documentation