Catalog https://icdc.cen.uni-hamburg.de/thredds/catalog/las/id-d09fee07aa/catalog.html

Dataset	Size	Last Modified
id-d09fee07aa		--
data_srv_ftp_data_thredds_standard_precipitation_index_SPI_ECAD_rr_0.50deg_reg_v4.0_sel_51-10_MD-SPI-3.nc.jnl	109.0 bytes	2024-05-19T03:33:07Z

ICDC TDS at Integrated Climate Data Center (ICDC) / University of Hamburg see Info
Documentation