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

 HFC-23 _ HAT2031 _ surface - insitu _ NIES _ data1

Updated Date	Version † met : with meteorological data	Details
2024-12-24	0053-2031-1502-01-01-9999 -2025-01-01-0053	The latest version
2023-07-10	0053-2031-1502-01-01-9999 -2023-07-07-2213	Included in Yearly Fixed Dataset 2024
2022-06-22	0053-2031-1502-01-01-9999 -2022-06-22-1014	Included in Yearly Fixed Dataset 2022
2019-03-06	0053-2031-1502-01-01-9999 -2019-03-06-1319	Included in Yearly Fixed Dataset 2021
2018-08-13	0053-2031-1502-01-01-9999 -2018-05-23-1435	Included in Yearly Fixed Dataset 2018