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The original repository for the data at the UMD can be found at http://gpcp.umd.edu/. Respective documentation at a separate NOAA repository (see URLs below) includes the C-ATBDs [D1, D2], acknowledgment guidelines, maturity matrices, and source codes.
- https://www.ncdcncei.noaa.gov/cdr/atmosphericproducts/climate-data-records/precipitation-gpcp-monthlydaily
- https://www.ncdcncei.noaa.gov/cdr/atmosphericproducts/climate-data-records/precipitation-gpcp-dailymonthly
3.2 Data access through the CDS
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