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

 CH₄ _ TLL3005 _ surface - insitu _ DMC _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2025-07-16	0017-3005-1002-01-01-9999 -2025-07-09-0843#21	The latest version
2024-12-18	0017-3005-1002-01-01-9999 -2025-01-01-0017
2024-05-01	0017-3005-1002-01-01-9999 -2024-04-29-1505#20	Included in Yearly Fixed Dataset 2024
2023-08-16	0017-3005-1002-01-01-9999 -2023-08-15-1530#19	Included in Yearly Fixed Dataset 2023
2023-07-05	0017-3005-1002-01-01-9999 -2023-07-05-1046
2022-07-08	0017-3005-1002-01-01-9999 -2022-07-06-1448#18	Included in Yearly Fixed Dataset 2022
2022-05-18	0017-3005-1002-01-01-9999 -2022-05-13-1354
2021-07-24	0017-3005-1002-01-01-9999 -2021-07-20-1412#17	Included in Yearly Fixed Dataset 2021
2020-07-02	0017-3005-1002-01-01-9999 -2020-06-30-2332#16	Included in Yearly Fixed Dataset 2020
2019-06-07	0017-3005-1002-01-01-9999 -2019-06-07-0922	Included in Yearly Fixed Dataset 2019
2018-09-13	0017-3005-1002-01-01-9999 -2018-09-13-1838	Included in Yearly Fixed Dataset 2018
2018-06-19	0017-3005-1002-01-01-9999 -2018-06-04-1314