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

 CH₄ _ RPB4036 _ surface - insitu _ AGAGE _ picarro

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-27	0004-4036-1002-01-01-2024 -2025-01-01-0004	The latest version
2024-07-25	0004-4036-1002-01-01-2024 -2024-07-19-1322	Included in Yearly Fixed Dataset 2024
2023-08-21	0004-4036-1002-01-01-2024 -2023-08-14-1501	Included in Yearly Fixed Dataset 2023