dataset · Global
Government / regulator
High-resolution Global Multi-Index Drought (GMID) dataset, 1980-2024
Here, we present the Global Multi-Index Drought (GMID) dataset, which includes some of the most used and widely recommended standardised drought indices: the Standardized Precipitation Index (SPI), the Evaporative Drought Demand Index (EDDI), the Standardized Precipitation Evapotranspiration Index (SPEI), the Standardized Evapotranspiration Deficit Index (SEDI), and the Standardized Vapor Pressure Deficit Index (SVPDI). This dataset is available on a global scale covering 1-12, 18, 24, 48-month
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What's in it
- Data offered docs-verified
- SPI · EDDI · SPEI · SEDI · SVPDI (standardised drought indices, reference and best-fit versions) · multi-timescale: 1-12, 18, 24, 48-month
- Coverage docs-verified
- Global · 1980-01-01 to 2024-12-31
- Resolution docs-verified
- 0.1 degrees spatial; weekly and monthly temporal
- Update frequency docs-verified
- Annual updates planned as input data become available
- Formats docs-verified
- NetCDF
- Access docs-verified
- Open Government Licence; bulk download of approx. 111.8 GB; no authentication listed
Useful for
- Use cases llm-inferred
- Historical drought and flash-drought baseline for regional water resources or drought risk screening · Long-term SPI/SPEI climatology for context when assessing dry-period severity at a UK-comparable scale · Comparing reference vs best-fit drought index versions for sensitivity checks in planning studies
- Audience llm-inferred
- hydrologists · water resources engineers · climate risk consultants · environmental consultants
Limitations
- Constraints llm-inferred
- 0.1 degree global grid is coarse for small catchments and local site-scale work · Indices are derived from modelled/reanalysis-style inputs (MSWEP, GLEAM, MSWX), not gauge observations · Bulk download of approx. 111.8 GB only; no API or subsetting described in the docs · Annual update cycle means the most recent period may lag · Users must choose between reference and best-fit index versions
- Licence
- Open government licence
- Authentication
- Unknown — review source docs
- GitHub stars
- Unknown
- Last commit
- Unknown
- Last successful page check
- 16/10/2026
- Page health
- healthy
- Package
- Not recorded
- Verification
- Not independently verified
Provenance & evidence
Listed in ukceh-eidc public catalogue API on 2026-10-16; relevance/value screened (haiku).
Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (ukceh-eidc)