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

 H₂ _ KEY4033 _ surface - flask _ NOAA _ ccgg

Updated Date	Version † met : with meteorological data	Details
2024-12-25	0002-4033-4001-01-02-3001 -2025-01-01-0002	The latest version
2024-08-30	0002-4033-4001-01-02-3001 -2024-08-13-1019	Included in Yearly Fixed Dataset 2024
2023-07-10	0002-4033-4001-01-02-3001 -2023-07-06-0837	Included in Yearly Fixed Dataset 2023
2022-08-19	0002-4033-4001-01-02-3001 -2022-08-19-1219	Included in Yearly Fixed Dataset 2022
2021-08-16	0002-4033-4001-01-02-3001 -2021-08-16-1046	Included in Yearly Fixed Dataset 2021
2020-09-28	0002-4033-4001-01-02-3001 -2020-09-28-1309	Included in Yearly Fixed Dataset 2020
2019-09-03	0002-4033-4001-01-02-3001 -2019-09-02-1741	Included in Yearly Fixed Dataset 2019
2018-06-21	0002-4033-4001-01-02-3001 -2018-04-11-0849	Included in Yearly Fixed Dataset 2018