# number_of_header_lines: 53
# comment:  
# comment:  ************ USE OF GML DATA ****************
# comment:  
# comment: These data are made freely available to the public and the scientific
# comment: community in the belief that their wide dissemination will lead to
# comment: greater understanding and new scientific insights. To ensure that GML
# comment: receives fair credit for their work please include relevant citation
# comment: text in publications. We encourage users to contact the data providers,
# comment: who can provide detailed information about the measurements and
# comment: scientific insight.  In cases where the data are central to a
# comment: publication, coauthorship for data providers may be appropriate.
# comment: 
# comment: 
# comment: Please see accompanying README file, if available, for citation text.
# comment:  
# comment: Every effort is made to produce the most accurate and precise
# comment: measurements possible.  However, we reserve the right to make
# comment: corrections to the data based on recalibration of standard gases
# comment: or for other reasons deemed scientifically justified.
# comment: 
# comment: We are not responsible for results and conclusions based on use
# comment: of these data without regard to this warning.
# comment: 
# contact_parameter: SF6 CCGG (Individual Flasks)
# contact_name: Xin Lan
# contact_telephone: (999) 999-9999
# contact_email: xin.lan@noaa.gov
# comment: 
# comment:  ************ COLLABORATORS ***************
# comment: 
# comment: NOAA thanks the following collaborators without
# comment: whom these measurements would not be possible.
# comment: 
# collaborator_name: WITN Television [WITN]
# comment: 
# comment:  ************ RECIPROCITY AGREEMENT ***************
# comment: 
# comment:
# comment:  ************ DATA DESCRIPTION ***************
# comment:
# description_site-code: itn
# description_project-abbr: ccg_surface
# description_strategy-abbr: flask
# description_analysis-constraints: flag:..%
# description_creation-time: 2023-08-28 15:08:52
# comment:
# comment:  ************ DATA DOCUMENTATION ***************
# comment:
# comment: Please refer to the species-specific README file in the
# comment: appropriate directory folder at https://gml.noaa.gov/aftp/data/trace_gases/.
# comment:
# data_fields: site year month value
ITN 1997  5     4.20
ITN 1997  6     4.19
ITN 1997  7     4.23
ITN 1997  8     4.34
ITN 1997  9     4.46
ITN 1997 10     4.55
ITN 1997 11     4.56
ITN 1997 12     4.52
ITN 1998  1     4.51
ITN 1998  2     4.51
ITN 1998  3     4.51
ITN 1998  4     4.50
ITN 1998  5     4.53
ITN 1998  6     4.59
ITN 1998  7     4.66
ITN 1998  8     4.66
ITN 1998  9     4.59
ITN 1998 10     4.64
ITN 1998 11     4.74
ITN 1998 12     4.71
ITN 1999  1     4.70
ITN 1999  2     4.78
ITN 1999  3     4.80
ITN 1999  4     4.67
ITN 1999  5     4.59