Poland Subnational Rainfall: Dekadal Indicators and Forecasts

Poland subnational rainfall indicators provided by the World Food Programme (WFP) based on CHIRPS satellite imagery and CHIRPS-GEFS forecasts. The data includes dekadal (10-day) measurements, rolling aggregations, and long-term averages for administrative units identified by Pcodes. Records are updated up to six times per month to transition from predictive forecasts to validated historical observations.

Use Cases

• Drought monitoring using rainfall anomaly percentages (rfq, r1q, r3q) to identify deviations from historical norms
• Agricultural planning by comparing current 3-month rolling rainfall (r3h) against long-term averages (r3h_avg)
• Short-term weather impact analysis using the 10-day rainfall forecast (rfh) when the type column is set to forecast

Strengths

• 9 distinct rainfall indicators including rolling averages and anomalies
• Standardized subnational aggregation using WFP Pcode references
• High temporal resolution with updates occurring up to six times per month

Limitations

• Satellite-derived estimates (CHIRPS) may deviate from local rain gauge measurements
• Recent records are subject to revision as they transition from forecast to final status

Provenance

Source

World Food Programme (WFP) using CHIRPS and CHIRPS-GEFS data

Collection Method

Aggregated from Climate Hazards Group InfraRed Precipitation satellite imagery and station data

Time Range

Up to 2026-03-03

Freshness

Updated multiple times per month on a fixed schedule (1st, 6th, 11th, 16th, 21st, 26th).

Geography

Poland (subnational level)