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

 CH₄ _ BHD5012 _ surface - insitu _ NIWA _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-24	0057-5012-1002-01-01-9999 -2025-01-01-0057	The latest version
2024-07-01	0057-5012-1002-01-01-9999 -2024-06-26-2117#20	Included in Yearly Fixed Dataset 2024
2023-07-04	0057-5012-1002-01-01-9999 -2023-06-20-0240#19	Included in Yearly Fixed Dataset 2023
2022-06-30	0057-5012-1002-01-01-9999 -2022-06-28-0425#18	Included in Yearly Fixed Dataset 2022
2021-07-02	0057-5012-1002-01-01-9999 -2021-06-29-0402#17	Included in Yearly Fixed Dataset 2021
2020-07-13	0057-5012-1002-01-01-9999 -2020-07-01-0903	Included in Yearly Fixed Dataset 2020
2019-07-09	0057-5012-1002-01-01-9999 -2019-07-03-1027	Included in Yearly Fixed Dataset 2019