Dominican Republic Subnational Rainfall Indicators and Forecasts

Dominican Republic dekadal rainfall indicators aggregated by subnational administrative units, produced by the World Food Programme using CHIRPS v2 and CHIRPS-GEFS data. The dataset tracks 10-day, 1-month, and 3-month rainfall totals alongside long-term averages and percentage anomalies. Updates occur six times per month to transition from forecasts to final observations.

Use Cases

• Assessing drought severity by comparing 3-month rolling rainfall (r3h) against historical averages (r3h_avg)
• Short-term flood risk modeling using 10-day rainfall forecasts (rfh) filtered by the type column
• Regional climate trend analysis using rainfall anomaly percentages (rfq) across subnational units

Strengths

• Standardized subnational Pcode references for administrative units
• Nine distinct rainfall indicators including rolling averages and anomalies
• Data quality transparency via the n_pixels column indicating input source density

Limitations

• Satellite-derived precipitation estimates may deviate from local station measurements in complex terrain
• Data records are subject to revision as forecasts are replaced by preliminary and final observations

Provenance

Source

World Food Programme (WFP) via CHIRPS/CHIRPS-GEFS

Collection Method

Satellite imagery (CHIRPS v2) integrated with in-situ station data and GEFS forecasts

Freshness

Updated six times per month following the dekadal forecast and observation cycle

Geography

Dominican Republic