An error in the retrieval of high-frequency data (daily/subdaily) from NCEP seasonal forecast data (NCEP CFSv2) data has been detected. This has been documented as "known issue" E7 (C3S Seasonal Forecast known issues)

It affects all data available in the high-frequency (daily/subdaily) datasets:

Members with start time at 06h,12h and 18h are not being retrieved from the archive by the CDS and just members with start time at 00h are returned.