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

 HFC-227ea _ NWR4023 _ surface - flask _ NOAA _ hats-gcms

Updated Date	Version † met : with meteorological data	Details
2025-03-10	0002-4023-1506-01-02-3006 -2025-03-05-0946† met	The latest version
2024-12-25	0002-4023-1506-01-02-3006 -2025-01-01-0002† met
2024-03-25	0002-4023-1506-01-02-3006 -2024-03-04-1509† met	Included in Yearly Fixed Dataset 2024
2023-09-04	0002-4023-1506-01-02-3006 -2023-09-04-0950† met	Included in Yearly Fixed Dataset 2023
2023-03-29	0002-4023-1506-01-02-3006 -2023-03-08-1455† met
2022-06-27	0002-4023-1506-01-02-3006 -2022-06-23-1140† met	Included in Yearly Fixed Dataset 2022
2022-06-06	0002-4023-1506-01-02-3006 -2022-06-06-1027† met
2021-06-29	0002-4023-1506-01-02-3006 -2021-06-02-0236† met	Included in Yearly Fixed Dataset 2021