Integrated Multi-satellitE Retrievals for GPM (IMERG) Technical Documentation G. J. Huffman, D. T. Bolvin, E. J. Nelkin, and J. K. Tan https://gpm1.gesdisc.eosdis.nasa.gov/data/GPM_L3/GPM_3IMERGDF.06/

GSMaP (Global Satellite Mapping of Precipitation) JAXA http://sharaku.eorc.jaxa.jp/GSMaP/index.htm

A quasi-global precipitation time series for drought monitoring C. C. Funk, P. J. Peterson, M. F. Landsfeld, D. H. Pedreros, J. P. Verdin, J. D. Rowland, B. E. Romero, G. J. Husak, J. C. Michaelsen, and A. P. Verdin https://data.chc.ucsb.edu/products/CHIRPS-2.0/

NOAA Climate Data Record (CDR) of Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks (PERSIANN-CDR), Version 1, Revision 1 UC-IRVINE/CHRS - Center for Hydrometeorology and Remote Sensing, University of California, Irvine https://www.ncei.noaa.gov/data/precipitation-persiann/access/

NOAA CPC Morphing Technique (CMORPH) Global Precipitation Analyses Climate Prediction Center https://ftp.cpc.ncep.noaa.gov/precip/CMORPH_V1.0/CRT/

ERA5-Land monthly averaged data from 1950 to present NCEP/NCAR - National Centers for Environment Prediction and National Center for Atmospheric Research - and ECMWF - European Centre for Medium-Range Weather Forecasts https://cds.climate.copernicus.eu/cdsapp#!/dataset/10.24381/cds.68d2bb30

NASA/GSFC/HSL, GLDAS Noah Land Surface Model L4 3 hourly 0.25x0.25 degree V2.1 H. Beaudoing and M. Rodell https://doi.org/10.5067/E7TYRXPJKWOQ