1. csa::cnrm_nl
    Simulation data (CNRM)
  2. csa::gpm_events
    GPM-IMERG precipitation events over 10 mm/day
  3. csa::gpm_nl
    Satellite data (GPM-IMERG)
  4. csa::knmi_nl
    Station data (KNMI)
  5. csa::ncep_nl
    Reanalysis data (NCEP/NCAR)
  6. csa::rdr_nl
    Radar data (KNMI)
  7. somspace::owda
    Old World Drought Atlas (1500-2012)