HadCRUT.4.2.0.0 (previous version)

This version of HadCRUT4 has been superseded. The latest version of the HadCRUT4 dataset is available from here.

The land ensemble has been updated to use station data for CRUTEM4 version CRUTEM.4.2.0.0.
HadSST3 version HadSST.3.1.0.0 continues to be used as 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.4.2.0.0 (this version) and HadCRUT.4.1.1.0 (the previous version of HadCRUT4).

Global series (NH+SH)/2

Northern hemisphere

Southern hemisphere series

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