The Abdi-Basid Courses Institute: Performance evaluation of very high multi-satellite daily precipitation products against Observation in situ weather from 1980 to 2021.

The study covers a range of datasets, including satellite-based, hybrid (satellite + gauge), and reanalysis products:

CHIRPS v2 (0.05°, 1981–present): Hybrid product combining infrared satellite data with rain gauge observations.
GSMaP PRT V6 (0.1°, 2000–present): Satellite-based product using passive microwave and infrared sensors.
IMERG LR & FR (0.1°, 2000–present): Satellite-based datasets from NASA’s GPM mission; Late Run provides near–real-time data, while Final Run is bias-corrected with gauge data.
TRMM 3B42 (0.25°, 1998–2019): Satellite-derived dataset from the Tropical Rainfall Measuring Mission.
MSWEP v2.8 (0.1°, 1979–present): Multi-source hybrid product merging gauge, satellite, and reanalysis data.
ERA5 (0.25°, 1979–present): Global reanalysis from ECMWF.
ERA5-Land (0.1°, 1981–present): High-resolution reanalysis optimized for land-surface applications.
ERA5-Ag (~0.1°, 1979–present): Reanalysis dataset derived from ERA5, tailored for agricultural applications.