Table 2 Summary of various precipitation products useful for MRB studies.

1

Mekong River Commission (MRC)

Station-dependent

Point data

Daily

Observed

—

2

Asian Precipitation-Highly Resolved Observational Data Integration Towards Evaluation (APHRODITE)

1951–2015

0.25°

Daily

Satellite

Yatagai et al.^88,89

3

Climate Hazards Group InfraRed Precipitation with Station data (CHIRPS)

1981-present

0.05°

Daily

Satellite

Funk et al.⁹³

4

Tropical Rainfall Measuring Mission (TRMM)

1998–2019

0.25°

3 hourly

Satellite

Simpson et al.²²⁶

5

Global Precipitation Measurement (GPM)

2014-present

0.1°

3 hourly

Satellite

Hou et al.^227,228

6

Integrated Multi-satellitE Retrievals for GPM (IMERG)

2000-present

0.1°

30 minutes

Satellite

Huffman et al.²²⁹

7

TRMM Multi-satellite Precipitation Analysis (TMPA)

1998–2019

0.25°

3 hourly

Satellite

Huffman et al.²³⁰

8

Climate Prediction Center Morphing (CMORPH)

1998–present

8 km

30 minutes

Satellite

Joyce et al.²³¹

9

Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks (PERSIANN)

1983-present

0.25°

Daily

Satellite

Hsu et al.²³²; Sorooshian et al.²³³

10

Climate Prediction Center (CPC)

1979-present

0.5°

Daily

Satellite

Xie et al.²³⁴

11

Climate Research Unit (CRU)

1901–2018

0.5°

Monthly

Satellite

Harris et al.²³⁵

12

Global Precipitation Climatology Center (GPCC)

1891-present

0.5°

Monthly

Satellite

Schneider et al.²³⁶

13

Precipitation Reconstruction over Land (PREC/L)

1948-present

0.5°

Monthly

Satellite

Chen et al.²³⁷

14

Multi-Source Weighted-Ensemble Precipitation v1.0 (MSWEP)

1979-present

0.25°

Daily

Satellite

Beck et al.²³⁸

15

ECMWF Reanalysis v5 (ERA5)

1959-present

0.25°

Hourly

Satellite

Hersbch et al.⁹⁹

16

Princeton data

1948–2016

0.25°

Daily

Hybrid

He et al.¹⁰⁰

17

TerraClimate

1958–2015

1/24°

Monthly

Hybrid

Abatzoglou et al.²³⁹

18

EM-Earth

1950–2019

0.1°

Daily

Hybrid

Tang et al.¹¹⁰