Scientific Data 4:170003 doi: https://doi.org/10.1038/sdata.2017.3 (2018); Published 14 March 2017; Updated 8 May 2018

The affiliation of Cathrine Lund Myhre was incorrectly stated in the original publication. It is: 19 NILU -Norwegian Institute for Air Research, Instituttveien 18, Kjeller 2007, Norway.