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1. Go to the C3S climate data store (CDS).
2. Type  'ERA5' in the search box.
3. Follow the ERA5 dataset title link of interest (there will be many more hits).

4. Currently there are eight online ERA5 and two ERA5-Land catalogue entries  

   Expand
   title Show ERA5 catalogue entries in the CDS
   ERA5 hourly data on single levels from 1940 to present ERA5 hourly data on single levels from 1950 to 1978 (preliminary version)ERA5 monthly averaged data on single levels from 1940 to presentERA5 monthly averaged data on single levels from 1950 to 1978 (preliminary version) ERA5 hourly data on pressure levels from 1940 to presentERA5 hourly data on pressure levels from 1950 to 1978 (preliminary version) ERA5 monthly averaged data on pressure levels from 1940 to presentERA5 monthly averaged data on pressure levels from 1950 to 1978 (preliminary version) ERA5-Land hourly data from 1950 to present ERA5-Land monthly averaged data from 1950 to present

   
   

5. Each of these dataset catalogue entries includes the following tabs:
   • Overview . This gives a description of the selected dataset and metadata information (e.g. spatial details, file format, variables, etc).
   • Documentation . This provides links to detailed documentation about the dataset.
     
   • Download data . This is a download web form.
6. Go to the Download data tab to make your selection for ERA5 data retrieval. Using this web interface, you can:
   • make selections as per your requirements. For your convenience only valid combinations will show; invalid combinations are greyed out interactively.

   • accept the data licence in the Terms of use section (in case you had not yet accepted it). You will only see this section after you have logged in.

     Note
     You will need to do this regardless whether you are accessing data through the web interface or through the CDS API (see below).

     
     

7. Click on the button Submit Form at the bottom right to submit your data request (you must be logged in and have accepted the terms and conditions before submitting your request).

8. You will now be redirected to the Your requests page.

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