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HadUK-Grid (CEDA)
HadUK-Grid (CEDA) (Met Office / CEDA). Access: download / OPeNDAP (CEDA). Formats: NetCDF. Resolution: 1 km / 5 km / 12 km. Coverage: UK. Pricing/licence: free (OGL).
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What's in it
- Data offered docs-verified
- monthly rainfall · daily rainfall · monthly max/mean/min air temperature · daily max/min air temperature · daily mean temperature · monthly sunshine · days of ground frost · days of air frost · days of rain >1mm · days of rain >10mm · summer days (daily tmax > 25) · days of lying snow · relative humidity · mean sea level pressure · vapour pressure · mean wind speed · long-term climatological averages · regional averages (UK countries, admin regions, river basins)
- Coverage docs-verified
- UK · 1836 to 2025 in latest release (v1.3.2.ceda); start year varies by variable, from 1836 to 1971
- Resolution docs-verified
- 1 km grid (native), with 5, 12, 25 and 60 km gridded versions and regional area averages
- Update frequency docs-verified
- Annual (new version each year; latest v1.3.2.ceda released June 2026, covering data to end 2025)
- Formats llm-inferred
- NetCDF
- Access docs-verified
- Free and open under Open Government Licence v3; ENTRY lists download and OPeNDAP via CEDA with no authentication
Useful for
- Use cases llm-inferred
- Long-run rainfall and temperature baseline for FRA and flood context using the 1836-onward monthly rainfall record · Historic drought and water scarcity analysis for water resources or abstraction licence assessments · Climate baseline averages (including 1991-2020 reference period) for planning and ecology site reports · Regional and river-basin average rainfall inputs for catchment screening
- Audience llm-inferred
- hydrologists · flood consultants · drainage engineers · ecologists · planners · GIS analysts
Limitations
- Constraints llm-inferred
- Gridded values are interpolated from station data, so accuracy falls away from observing stations · Start year differs by variable (e.g. wind speed from 1969, lying snow from 1971), so long records are not available for all variables · Daily grids exist only for max/min temperature and rainfall; other variables are monthly or longer · Recent months are provisional and sit on the Met Office site rather than in the CEDA release · Not a design-storm or IDF product, so not suitable as a direct drainage design rainfall input · Values can change between versions as data recovery and processing improve, so the version used should be cited
- Licence
- free (OGL)
- 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
Verified 2026-10-16 (curl HTTP 200).
Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (named: UK)