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

 N₂O _ BHD5012 _ surface - flask _ NIWA _ data1

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-24	0057-5012-1003-01-02-9999 -2025-01-01-0057† met	The latest version
2024-07-01	0057-5012-1003-01-02-9999 -2024-06-26-2130#20† met	Included in Yearly Fixed Dataset 2024
2023-06-27	0057-5012-1003-01-02-9999 -2023-06-20-0344#19† met	Included in Yearly Fixed Dataset 2023
2021-07-07	0057-5012-1003-01-02-9999 -2021-06-30-0435#18† met	Included in Yearly Fixed Dataset 2022
2020-07-08	0057-5012-1003-01-02-9999 -2020-07-01-0853#16† met	Included in Yearly Fixed Dataset 2020
2020-02-25	0057-5012-1003-01-02-9999 -2019-10-16-1145† met
2019-09-06	0057-5012-1003-01-02-9999 -2019-09-04-0612#15	Included in Yearly Fixed Dataset 2019
2019-07-03	0057-5012-1003-01-02-9999 -2019-06-28-1226
2018-07-17	0057-5012-1003-01-02-9999 -2018-07-03-0535	Included in Yearly Fixed Dataset 2018
2018-06-08	0057-5012-1003-01-02-9999 -2018-02-05-0628