# number_of_header_lines: 54
# 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: CH4C13 SIL (Individual Flasks)
# contact_name: Sylvia Englund Michel
# contact_telephone: (303) 492-5495
# contact_email: Sylvia.Englund@colorado.edu
# comment: 
# comment:  ************ COLLABORATORS ***************
# comment: 
# comment: NOAA thanks the following collaborators without
# comment: whom these measurements would not be possible.
# comment: 
# collaborator_name: Environment Canada [EC]
# collaborator_url: http://www.msc-smc.ec.gc.ca/aqrb/index_e.cfm
# comment: 
# comment:  ************ RECIPROCITY AGREEMENT ***************
# comment: 
# comment:
# comment:  ************ DATA DESCRIPTION ***************
# comment:
# description_site-code: llb
# description_project-abbr: ccg_surface
# description_strategy-abbr: flask
# description_analysis-constraints: flag:..%
# description_creation-time: 2023-09-21 15:03:45
# 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
LLB 2008  1  -48.388
LLB 2008  2  -48.251
LLB 2008  3  -47.847
LLB 2008  4  -47.305
LLB 2008  5  -46.969
LLB 2008  6  -46.975
LLB 2008  7  -47.207
LLB 2008  8  -47.447
LLB 2008  9  -47.563
LLB 2008 10  -47.633
LLB 2008 11  -47.757
LLB 2008 12  -47.968
LLB 2009  1  -48.143
LLB 2009  2  -48.139
LLB 2009  3  -47.954
LLB 2009  4  -47.643
LLB 2009  5  -47.404
LLB 2009  6  -47.347
LLB 2009  7  -47.423
LLB 2009  8  -47.558
LLB 2009  9  -47.722
LLB 2009 10  -47.932
LLB 2009 11  -48.129
LLB 2009 12  -48.219
LLB 2010  1  -48.051
LLB 2010  2  -47.688
LLB 2010  3  -47.236
LLB 2010  4  -46.965
LLB 2010  5  -46.976
LLB 2010  6  -47.205
LLB 2010  7  -47.497
LLB 2010  8  -47.696
LLB 2010  9  -47.787
LLB 2010 10  -47.754
LLB 2010 11  -47.660
LLB 2010 12  -47.582
LLB 2011  1  -47.601
LLB 2011  2  -47.687
LLB 2011  3  -47.736
LLB 2011  4  -47.659
LLB 2011  5  -47.528
LLB 2011  6  -47.456
LLB 2011  7  -47.514
LLB 2011  8  -47.633
LLB 2011  9  -47.743
LLB 2011 10  -47.859
LLB 2011 11  -48.018
LLB 2011 12  -48.065
LLB 2012  1  -47.862
LLB 2012  2  -47.446
LLB 2012  3  -47.154
LLB 2012  4  -47.188
LLB 2012  5  -47.436
LLB 2012  6  -47.652
LLB 2012  7  -47.752
LLB 2012  8  -47.850
LLB 2012  9  -47.964
LLB 2012 10  -48.050
LLB 2012 11  -48.142
LLB 2012 12  -48.292
LLB 2013  1  -48.460