BGS Hosted Metadata
Mean, Minimum and Maximum Central England Temperature (HadCET) series post 1973 static adjustments, v2.1.1.0
The Central England Temperature (HadCET) daily mean series is anchored to Gordon Manley’s original temperature record prior to 1973. Between 1848 and 1878, adjustments are applied to account for periods when only a single station was in use.
These historical temperature series are representative of the Midlands region in England, UK (a roughly triangular area of the United Kingdom enclosed by Bristol, Lancashire and London).
From 1973 onwards, multiple adjustments ensure continuity with Manley’s series, homogenise the current station selection with Manley’s original dataset, and correct for the effects of increasing urbanisation.
These static adjustments are calculated on a monthly basis and are applied uniformly to all daily values within each month from 1973 to the present.
Urbanisation adjustments remain static from November 2004 onward, while adjustments between 1974 and October 2004 are graded to reflect a progressive increase in urbanisation effects over time.
This dataset contains the post-Manley extended adjustments, station homogenisation adjustments, and static urban corrections.
Stations used in the construction of the CET daily series between 1772 and 1852 include: Kennington, Crane Court, Lyndon Hall, Syon House, Somerset House, Greenwich Observatory, Chiswick
Stations used in the construction of the CET daily series from 1853 onwards include: Radcliffe (Oxford), Cambridge (legacy), Ross-on-Wye, Rothamsted, Malvern, Stonyhurst, Ringway, Squires Gate, Pershore College
The current station selection used is Rothamsted, Stonyhurst and Pershore College.
The dataset is compiled by the Met Office Hadley Centre.
Latest provisional release data are available via the Hadley Centre Observations website ( https://www.metoffice.gov.uk/hadobs/hadcet/data/download.html).
The version controlled CET series is updated annually (February-March), with the previous complete year’s values refreshed to ensure that data acquisition and quality control procedures have been completed and ensure the most accurate station temperature values are used. Each version of the dataset will include data up until the end of the previous complete year and an incremental version number will be updated.
The CET datasets employ the following version control protocol:
Version Vx.y.z.a:
• x – major changes – e.g. change in scientific methodology
• y – minor changes – e.g. small bug fixes or updates to diagnostics pages
• z – incremental changes
• a – reserved for use internally
The standard annual release cycle of CET will constitute an incremental release (z). However, if more substantial
changes have been made to the codebase, scientific methodology or source data values, then this may warrant a minor (y) or major (x) version release. (Note, these are applied to a cohort of datasets together - i.e. apply to the seasonal, monthly, daily and adjustment datasets as a coordinated version release).
This new version of the datasets supersedes the previous version.
Simple
- Date (Publication)
- 2026-03-18T17:35:09
- Date (Creation)
- 2026-03-18T17:35:09
- Citation identifier
- https://catalogue.ceda.ac.uk/uuid/f157c171195f41b390a9795bd7323299
- Citation identifier
- NERC EDS Centre for Environmental Data Analysis / f157c171195f41b390a9795bd7323299
- Citation identifier
- doi / 10.5285/f157c171195f41b390a9795bd7323299
- Point of contact
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Organisation name Individual name Electronic mail address Role Met Office
Author NERC EDS Centre for Environmental Data Analysis
Custodian NERC EDS Centre for Environmental Data Analysis
Distributor NERC EDS Centre for Environmental Data Analysis
pointofContact NERC EDS Centre for Environmental Data Analysis
Publisher
- Maintenance and update frequency
- Not planned
- Update scope
- Dataset
- Keywords
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HadCET
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temperature
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Hadley
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Met Office
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GEMET - INSPIRE themes, version 1.0
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atmospheric conditions
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- Access constraints
- Other restrictions
- Other constraints
- Public data: access to these data is available to both registered and non-registered users.
- Use constraints
- Other restrictions
- Spatial representation type
- Grid
- Language
- English
- Topic category
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- Climatology, meteorology, atmosphere
))
- Begin date
- 1878-01-01T00:00:00
- End date
- 2025-12-31T23:59:59
- Unique resource identifier
- WGS 84
- Distribution format
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Name Version Data are BADC-CSV formatted
- Distributor contact
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Organisation name Individual name Electronic mail address Role NERC EDS Centre for Environmental Data Analysis
Distributor
- OnLine resource
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Protocol Linkage Name https://catalogue.ceda.ac.uk/uuid/f157c171195f41b390a9795bd7323299 CEDA Data Catalogue Page
- OnLine resource
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Protocol Linkage Name http://data.ceda.ac.uk/badc/ukmo-cet/data/v2.1.1.0/adjustments/ DOWNLOAD
- OnLine resource
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Protocol Linkage Name https://doi.org/10.5281/zenodo.15131212 Packman, S., & Met Office. (2025). Process flow of the Met Office HadCET daily and monthly series construction. Zenodo. https://doi.org/10.5281/zenodo.15131212
- OnLine resource
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Protocol Linkage Name https://rmets.onlinelibrary.wiley.com/cms/asset/2e55ac8a-97ef-41bf-813a-f6499680dfb3/gdj3284-fig-0001-m.png HadCET Representative Map
- OnLine resource
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Protocol Linkage Name https://doi.org/10.1002/qj.49707934006 Manley, G. (1953), The mean temperature of central England, 1698–1952. Q.J.R. Meteorol. Soc., 79: 242-261. https://doi.org/10.1002/qj.49707934006
- OnLine resource
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Protocol Linkage Name https://doi.org/10.1002/joc.3370120402 Parker, D.E., Legg, T.P. and Folland, C.K. (1992), A new daily central England temperature series, 1772–1991. Int. J. Climatol., 12: 317-342. https://doi.org/10.1002/joc.3370120402
- OnLine resource
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Protocol Linkage Name https://doi.org/10.1002/joc.1190 Parker, D. and Horton, B. (2005), Uncertainties in central England temperature 1878–2003 and some improvements to the maximum and minimum series. Int. J. Climatol., 25: 1173-1188. https://doi.org/10.1002/joc.1190
- OnLine resource
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Protocol Linkage Name http://hadobs.metoffice.com/hadcet/graphs/index.html HadCET plots for the current and previous years from the Hadley Centre
- OnLine resource
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Protocol Linkage Name http://dx.doi.org/10.1002/qj.49710042511 Manley, G. (1974), Central England temperatures: Monthly means 1659 to 1973. Q.J.R. Meteorol. Soc., 100: 389-405. https://doi.org/10.1002/qj.49710042511
- OnLine resource
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Protocol Linkage Name https://www.metoffice.gov.uk/hadobs/hadcet/data/data_format.html HadCET File Format Explained
- OnLine resource
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Protocol Linkage Name https://doi.org/10.5281/zenodo.18847163 Met Office, & Packman, S. (2026). HadCET v2.1.1.0 release notes. Zenodo. https://doi.org/10.5281/zenodo.18847163
- Hierarchy level
- Dataset
Conformance result
- Title
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Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
- Date (Publication)
- 2010-12-08
- Statement
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The HadCET dataset is produced by the Met Office Hadley Centre and frequently updated on the Hadley Centre observations datasets webpage. This is a finalised version of the dataset that has been delivered by the Met Office Hadley Centre for long-term archiving at the NERC EDS Centre for Environmental Data Analysis (CEDA).
Metadata
- File identifier
- f157c171195f41b390a9795bd7323299 XML
- Metadata language
- English
- Character set
- UTF8
- Parent identifier
-
f1e8696c6d5746e694fde4d6022e5a36
f1e8696c6d5746e694fde4d6022e5a36
- Hierarchy level
- Dataset
- Date stamp
- 2026-04-16T02:26:18
- Metadata standard name
- UK GEMINI
- Metadata standard version
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2.3
- Metadata author
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Organisation name Individual name Electronic mail address Role NERC EDS Centre for Environmental Data Analysis
Point of contact
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