NERC Data Catalogue Service
CRU CY4.01: Climatic Research Unit (CRU) year-by-year variation of selected climate variables by country (CY) version 4.01 (Jan. 1901 - Dec. 2016)
The Climatic Research Unit (CRU) Country (CY) data version 4.01 dataset consists of ten climate variables for country averages at a monthly, seasonal and annual frequency; including cloud cover, diurnal temperature range, frost day frequency, precipitation, daily mean temperature, monthly average daily maximum and minimum temperature, vapour pressure and potential evapotranspiration. This version uses the updated set of country definitions, please see the appropriate Release Notes.
This dataset was produced in 2017 by CRU at the University of East Anglia and extends the CRU CY4.00 data to include 2016. CRU CY4.01 is a full release, differing only in methodology from the existing current version 3 release, v3.25. Both are released concurrently to support comparative evaluations between these two versions, however, this will be the last release of version 3. The data are available as text files with the extension '.per' and can be opened by most text editors.
Spatial averages are calculated using area-weighted means. CRU CY4.01 is derived directly from the CRU TS4.01 dataset. CRU CY version 4.01 spans the period 1901-2016 for 289 countries.
To understand the CRU CY4.01 dataset, it is important to understand the construction and limitations of the underlying dataset, CRU TS4.01. It is therefore recommended that all users read the Harris et al, 2020 paper and the CRU TS4.01 release notes listed in the online documentation on this record.
CRU CY data are available for download to all CEDA users.
Simple
- Date (Publication)
- 2017-09-22T09:26:57
- Date (Creation)
- 2017-09-22T09:26:57
- Identifier
- Centre for Environmental Data Analysis (CEDA) / d4e823f0172947c5ae6e6b265656c273
- Identifier
- doi / http://dx.doi.org/10.5285/d4e823f0172947c5ae6e6b265656c273
- Maintenance and update frequency
- notPlanned Not planned
- Update scope
- dataset Dataset
- Keywords
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- CRU
- CRU CY
- climate
- GEMET - INSPIRE themes, version 1.0
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- atmospheric conditions
- Access constraints
- otherRestrictions Other restrictions
- Other constraints
- Access to these data is available to any registered CEDA user. Please Login or Register for a CEDA account to gain access.
- Use constraints
- otherRestrictions Other restrictions
- Spatial representation type
- grid Grid
- Metadata language
- EnglishEnglish
- Topic category
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- Climatology, meteorology, atmosphere
))
- Begin date
- 1901-01-01T00:00:00
- End date
- 2016-12-31T23:59:59
- Unique resource identifier
- WGS 84
- Distribution format
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The CRU CY data are provided as text files with the extension ".per", most text editors will open these files. See the linked file formats guide for more information.
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The CRU CY data are provided as text files with the extension ".per", most text editors will open these files. See the linked file formats guide for more information.
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- OnLine resource
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CEDA Data Catalogue Page
Detail and access information for the resource
- OnLine resource
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DOWNLOAD
Download Data
- OnLine resource
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Climate Research Unit (CRU) data Homepage
No further details.
- OnLine resource
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CRU CY 4.01 Release Notes
No further details.
- OnLine resource
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CRU CY4.01 Updated country definitions
No further details.
- OnLine resource
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CRU User Guide
No further details.
- OnLine resource
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CRU CY File formats guide
No further details.
- OnLine resource
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Harris, I., Osborn, T.J., Jones, P. et al. Version 4 of the CRU TS monthly high-resolution gridded multivariate climate dataset. Sci Data 7, 109 (2020). https://doi.org/10.1038/s41597-020-0453-3
No further details.
- OnLine resource
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Publication of version 4 of the CRU TS monthly high-resolution gridded climate dataset
No further details.
- Hierarchy level
- dataset Dataset
Conformance result
- Date (Publication)
- 2010-12-08
- Statement
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The Climatic Research Unit (CRU) CY data are derived directly from the CRU TS data, and version numbering is matched between the two datasets. The CRU CY data are produced by the CRU unit at the University of East Anglia and passed to the Centre for Environmental Data Analysis (CEDA) for long term archival and distribution. Previous releases of CRU CY include:
CRU CY 4.01 data were passed to CEDA for archival and distribution by CRU in September 2017
CRU CY 4.00 data were passed to CEDA for archival and distribution by CRU in March 2017
CRU CY 3.24.01 data files supplied to CEDA for long term archival by CRU in January 2017.
The CRU CY 3.24 data were withdrawn by CRU and CEDA in January 2017 due to known issues with the data.
CRU CY 3.24 data files supplied to CEDA for long term archival by CRU in October 2016.
- File identifier
- d4e823f0172947c5ae6e6b265656c273 XML
- Metadata language
- EnglishEnglish
- Character set
- 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 UTF8
- Parent identifier
- Climatic Research Unit (CRU): Year-by-Year Variation of Selected Climate Variables by CountrY (CY) v4 a5fc25a8153148b9872f24ab889f64a9
- Hierarchy level
- dataset Dataset
- Date stamp
- 2025-05-09T02:17:45
- Metadata standard name
- UK GEMINI
- Metadata standard version
- 2.3
Overviews
Spatial extent
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