HadCRUT.4.6.0.0 (deprecated)

Data set deprecation: HadCRUT4 has been superseded by HadCRUT5.

Further use of HadCRUT4 is not recommended for purposes other than comparison with newer data sets.

This page describes updates in HadCRUT4 version HadCRUT.4.6.0.0. Previous versions of HadCRUT4 can be found here. Data for HadCRUT.4.6.0.0 can be found here.

The land ensemble has been updated to use station data for CRUTEM4 version CRUTEM.4.6.0.0.
HadSST3 version HadSST.3.1.1.0 is the source of SST data.
Data can be download here.

Effects on global and hemispheric average time series

The following diagnostic plots show comparisons of global and hemispheric time series for HadCRUT.4.6.0.0 (this version) and HadCRUT.4.5.0.0 (the previous version of HadCRUT4).

Global series (NH+SH)/2

Northern hemisphere

Southern hemisphere series

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