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

 CH₄ _ TKB2018 _ surface - insitu _ MRI _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2025-01-20	0048-2018-1002-01-01-9999 -2025-01-16-2354#21† met	The latest version
2024-12-24	0048-2018-1002-01-01-9999 -2025-01-01-0048† met
2024-08-13	0048-2018-1002-01-01-9999 -2024-08-13-0923#20† met	Included in Yearly Fixed Dataset 2024
2021-10-19	0048-2018-1002-01-01-9999 -2021-10-15-1330#19† met	Included in Yearly Fixed Dataset 2023
2020-02-27	0048-2018-1002-01-01-9999 -2019-11-22-1451#17† met	Included in Yearly Fixed Dataset 2021
2019-04-10	0048-2018-1002-01-01-9999 -2019-04-10-1422#15	Included in Yearly Fixed Dataset 2019
2019-01-17	0048-2018-1002-01-01-9999 -2019-01-15-0848
2018-07-06	0048-2018-1002-01-01-9999 -2018-03-20-0816#14	Included in Yearly Fixed Dataset 2018