See the data version history.
The data of old versions are not available at WDCGG.

Updated Date	Version * : the latest version # : used for analysis in the WMO GHG Bulletin (#Volume)	GAW ID	Station/Mobile	Gas Species † met : with meteorological data	Platform	Sampling Type	Buffer	Organization	Details
2023-08-03	0024-6418-1001-01-02-9999 -2023-07-04-1143* #20	MDN	Madonie - Piano Battaglia	CO2† met	surface	flask	data1	ENEA (Italian National Agency for New Technologies, Energy and Sustainable Economic Development)	click
2021-06-25	0024-6418-1001-01-02-9999 -2021-06-23-1922 #18	MDN	Madonie - Piano Battaglia	CO2	surface	flask	data1	ENEA (Italian National Agency for New Technologies, Energy and Sustainable Economic Development)
2021-02-08	0024-6418-1001-01-02-9999 -2021-01-27-1346	MDN	Madonie - Piano Battaglia	CO2	surface	flask	data1	ENEA (Italian National Agency for New Technologies, Energy and Sustainable Economic Development)