If I read correctly, they are using the ERA5 dataset [0]. It is freely available and can be downloaded through a Python API called cdsapi. [0] https://cds.clim

If I read correctly, they are using the ERA5 dataset [0]. It is freely available and can be downloaded through a Python API called cdsapi. [0] https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels?tab=overview https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysi...