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

 N₂O _ SUM6002 _ surface - insitu _ NOAA _ hats-cats

Updated Date	Version # : used for analysis in the WMO GHG Bulletin (#Volume) † met : with meteorological data	Details
2024-12-25	0002-6002-1003-01-01-3002 -2025-01-01-0002	The latest version
2024-10-03	0002-6002-1003-01-01-3002 -2024-10-02-0803
2022-06-27	0002-6002-1003-01-01-3002 -2022-06-22-1944	Included in Yearly Fixed Dataset 2024
2021-06-23	0002-6002-1003-01-01-3002 -2021-05-27-0929	Included in Yearly Fixed Dataset 2021
2020-08-26	0002-6002-1003-01-01-3002 -2020-08-25-1742	Included in Yearly Fixed Dataset 2020
2019-09-18	0002-6002-1003-01-01-3002 -2019-09-18-0712	Included in Yearly Fixed Dataset 2019
2019-09-03	0002-6002-1003-01-01-3002 -2019-09-02-1741
2019-06-25	0002-6002-1003-01-01-3002 -2019-06-25-0856
2018-09-25	0002-6002-1003-01-01-3002 -2018-09-12-0908	Included in Yearly Fixed Dataset 2018
2018-06-20	0002-6002-1003-01-01-3002 -2018-03-07-1420