See the data version history.
The data of old versions are available only if the versions are included in Yearly fixed datasets.

 CH₄ _ CUR6056 _ surface - insitu _ IIA _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-24	0131-6056-1002-01-01-9999 -2025-01-01-0211	The latest version
2020-10-08	0131-6056-1002-01-01-9999 -2020-10-07-1435	Included in Yearly Fixed Dataset 2024
2018-07-03	0131-6056-1002-01-01-9999 -2018-05-25-1250	Included in Yearly Fixed Dataset 2020