APDRC GPCP Merged Daily Precipitation v1.1
APDRC distribution of the GPCP (Global Precipitation Climatology Project) merged 1-degree daily precipitation analysis, with OPeNDAP and LAS access for global daily rainfall.
apdrc.soest.hawaii.edu
At a glance
- Region
- United States (Global)
- Coverage
- 1996-present, 1 degree daily
- Access
- Free
- Category
- Academic
- Last updated
- 2025
What's inside
- Precipitation
- Satellite-gauge merged
Terms explained
What you can do with it
Typical work that data of this type supports.
- 01
Design storms
Build rainfall intensity-duration-frequency curves for drainage design.
Because it has: Precipitation
- 02
Model input
Drive hydrological, crop and urban drainage models.
- 03
Design flows
Estimate 1-in-50 and 1-in-100 year floods for bridges, culverts and spillways.
Because it has: Satellite-gauge merged
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Downscaling
Turn coarse rainfall grids into field or ward scale estimates.
- 02
Gauge + satellite fusion
Correct satellite rainfall with gauges using machine learning.
- 03
Flow forecasting
Train LSTM-style models on past records to forecast river levels and flow days ahead.
Machine access and documentation
Open API
OPeNDAP/LAS on apdrc.soest.hawaii.edu
Licence: Open data
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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