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

 CH4 _ TRL7039 _ surface - insitu _ NILU _ data1

Updated Date Version
# : used for analysis in the WMO GHG Bulletin (#Volume)
† met : with meteorological data
Details
2026-06-09 0054-7039-1002-01-01-9999
-2026-05-27-0717
The latest version
2025-05-26 0054-7039-1002-01-01-9999
-2025-05-20-1057#21
Included in Yearly Fixed Dataset 2025