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

 CH₄ _ COI2008 _ surface - insitu _ NIES _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-24	0053-2008-1002-01-01-9999 -2025-01-01-0053	The latest version
2024-10-15	0053-2008-1002-01-01-9999 -2024-10-04-0346
2023-07-10	0053-2008-1002-01-01-9999 -2023-07-07-2213#20	Included in Yearly Fixed Dataset 2024
2023-06-30	0053-2008-1002-01-01-9999 -2023-06-28-2332
2022-06-22	0053-2008-1002-01-01-9999 -2022-06-22-1014#18	Included in Yearly Fixed Dataset 2022
2019-03-06	0053-2008-1002-01-01-9999 -2019-03-06-1319#17	Included in Yearly Fixed Dataset 2021
2018-06-14	0053-2008-1002-01-01-9999 -2018-03-19-1213#14	Included in Yearly Fixed Dataset 2018