Türkiye: Subnational Dekadal Rainfall Indicators and Anomalies

Dekadal rainfall indicators for Türkiye are provided at subnational administrative levels by the World Food Programme using CHIRPS v2 and CHIRPS-GEFS satellite imagery. The data includes 10-day, 1-month, and 3-month rolling aggregations, long-term averages, and anomalies updated multiple times per month.

Use Cases

• Monitoring drought severity by analyzing the 3-month rainfall anomaly percentage (r3q)
• Assessing immediate crop water stress using the 10-day rainfall forecast (rfh) and the type column
• Comparing current 1-month rolling rainfall (r1h) against its long-term average (r1h_avg) for seasonal trend analysis

Strengths

• Includes long-term averages (rfh_avg, r1h_avg, r3h_avg) for historical baseline comparison
• Uses standardized WFP Pcode references for subnational administrative units
• Provides n_pixels count to indicate the spatial resolution of the aggregated data

Limitations

• Satellite-derived CHIRPS data may vary from local rain gauge measurements
• Recent records are subject to multiple revisions as they transition from forecast to final status

Provenance

Source

World Food Programme (WFP)

Collection Method

Satellite imagery (CHIRPS v2) and station data aggregation

Freshness

Updated multiple times per month with a transition from forecasts to final observations.

Geography

Türkiye