We are pleased to inform you that the Copernicus Climate Change Service (C3S) at ECMWF has released the ERA5-Land hourly data for the period 1950-1980 (referred to as the ERA5-Land back extension (BE)).

Access to ERA5 BE is available from the Climate Data Store (CDS) either interactively using the ERA5-Land hourly download data form or programmatically using the CDS API service.

The Daily statistics calculated from ERA5 data application has been updated to include ERA5-Land BE. This application allows users to compute and download selected daily statistics in local time (via the Time zone widget) of variables from a number of hourly ERA5 reanalysis datasets.

On 19 November 2021, we are happy to announce that the ERA5-Land monthly means BE data are now also available from the Climate Data Store:  ERA5-Land monthly averaged data from 1950 to present

If you have any questions you may contact us.

Yours sincerely,

ECMWF Support