"Seasonal forecast monthly statistics on single levels" hindcast data periods

Datasets and Usage
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1

I have some questions about the "Seasonal forecast monthly statistics on single levels"dataset.

  1. The “Hindcast climate mean” is the average over the monthly means from all individual ensemble members, but averaged also over all years in the hindcast (climate) period. Is that means when I select “Product type = Hindcast climate mean”,and the years choose “2017”(or any other year), I will get the same data (Select the same option for month and lead time)? Because you said the “Hindcast climate mean” averaged also over all years in the hindcast (climate) period.

  2. Is the hindcast (climate) period for ECMWF system 5.1 1981-2016 or 1993-2016?

Looking forward to your answers, thank you.

Best Regards
Joyce