# 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: H2 CCGG (Individual Flasks)
# contact_name: Gabrielle Petron
# contact_telephone: (720) 295-0145
# contact_email: Gabrielle.Petron@noaa.gov
# comment: 
# comment:  ************ COLLABORATORS ***************
# comment: 
# comment: NOAA thanks the following collaborators without
# comment: whom these measurements would not be possible.
# comment: 
# collaborator_name: NOAA Atlantic Oceanographic and Meteorological
# collaborator_name: Laboratory [AOML]
# comment: 
# comment:  ************ RECIPROCITY AGREEMENT ***************
# comment: 
# comment:
# comment:  ************ DATA DESCRIPTION ***************
# comment:
# description_site-code: key
# description_project-abbr: ccg_surface
# description_strategy-abbr: flask
# description_analysis-constraints: flag:..%
# description_creation-time: 2024-07-30 12:23:46
# 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
KEY 2009 10   523.98
KEY 2009 11   521.46
KEY 2009 12   531.37
KEY 2010  1   530.81
KEY 2010  2   528.01
KEY 2010  3   536.85
KEY 2010  4   542.92
KEY 2010  5   543.44
KEY 2010  6   547.49
KEY 2010  7   547.62
KEY 2010  8   537.39
KEY 2010  9   524.44
KEY 2010 10   517.50
KEY 2010 11   516.64
KEY 2010 12   519.72
KEY 2011  1   525.32
KEY 2011  2   534.58
KEY 2011  3   544.00
KEY 2011  4   546.51
KEY 2011  5   548.35
KEY 2011  6   552.45
KEY 2011  7   553.17
KEY 2011  8   552.04
KEY 2011  9   547.08
KEY 2011 10   535.70
KEY 2011 11   524.14
KEY 2011 12   520.81
KEY 2012  1   523.17
KEY 2012  2   530.36
KEY 2012  3   539.80
KEY 2012  4   547.02
KEY 2012  5   549.95
KEY 2012  6   549.08
KEY 2012  7   549.01
KEY 2012  8   549.30
KEY 2012  9   541.61
KEY 2012 10   530.18
KEY 2012 11   530.23
KEY 2012 12   534.70
KEY 2013  1   536.33
KEY 2013  2   539.96
KEY 2013  3   545.29
KEY 2013  4   551.68
KEY 2013  5   557.33
KEY 2013  6   557.94
KEY 2013  7   556.72
KEY 2013  8   555.67
KEY 2013  9   546.28
KEY 2013 10   527.55
KEY 2013 11   519.75
KEY 2013 12   525.81
KEY 2014  1   529.67
KEY 2014  2   532.43
KEY 2014  3   538.76
KEY 2014  4   543.76
KEY 2014  5   548.23
KEY 2014  6   554.67
KEY 2014  7   556.06
KEY 2014  8   551.87
KEY 2014  9   545.19
KEY 2014 10   534.02
KEY 2014 11   529.07
KEY 2014 12   532.38
KEY 2015  1   533.07
KEY 2015  2   533.29
KEY 2015  3   539.53
KEY 2015  4   545.11
KEY 2015  5   547.21
KEY 2015  6   550.21
KEY 2015  7   553.31
KEY 2015  8   553.88
KEY 2015  9   547.01
KEY 2015 10   534.74
KEY 2015 11   529.82
KEY 2015 12   529.72
KEY 2016  1   528.54
KEY 2016  2   533.51
KEY 2016  3   543.27
KEY 2016  4   547.69
KEY 2016  5   553.85
KEY 2016  6   559.18
KEY 2016  7   556.55
KEY 2016  8   554.99
KEY 2016  9   548.57
KEY 2016 10   528.64
KEY 2016 11   513.55
KEY 2016 12   520.80
KEY 2017  1   534.86
KEY 2017  2   544.69
KEY 2017  3   548.87
KEY 2017  4   550.60
KEY 2017  5   555.47
KEY 2017  6   557.83
KEY 2017  7   553.57
KEY 2017  8   552.20
KEY 2017  9   551.80
KEY 2017 10   542.42
KEY 2017 11   535.63
KEY 2017 12   536.68
KEY 2018  1   538.23
KEY 2018  2   542.71
KEY 2018  3   549.29
KEY 2018  4   554.79
KEY 2018  5   564.13
KEY 2018  6   571.73
KEY 2018  7   567.63
KEY 2018  8   559.45
KEY 2018  9   550.59
KEY 2018 10   536.56
KEY 2018 11   528.50
KEY 2018 12   530.98
KEY 2019  1   535.68
KEY 2019  2   540.92
KEY 2019  3   549.04
KEY 2019  4   557.07
KEY 2019  5   562.16
KEY 2019  6   566.00
KEY 2019  7   565.93
KEY 2019  8   560.10
KEY 2019  9   551.63
KEY 2019 10   537.77
KEY 2019 11   526.92
KEY 2019 12   532.09
KEY 2020  1   543.88
KEY 2020  2   547.73
KEY 2020  3   546.51
KEY 2020  4   546.75
KEY 2020  5   552.21
KEY 2020  6   560.18
KEY 2020  7   560.89
KEY 2020  8   556.86
KEY 2020  9   551.64
KEY 2020 10   544.46
KEY 2020 11   540.43
KEY 2020 12   542.20
KEY 2021  1   546.11
KEY 2021  2   549.18
KEY 2021  3   551.40
KEY 2021  4   552.95
KEY 2021  5   556.43
KEY 2021  6   561.27
KEY 2021  7   566.14
KEY 2021  8   572.66
KEY 2021  9   566.73
KEY 2021 10   547.75
KEY 2021 11   539.85
KEY 2021 12   547.75
KEY 2022  1   550.26
KEY 2022  2   550.98
KEY 2022  3   555.53
KEY 2022  4   559.66
KEY 2022  5   564.66
KEY 2022  6   565.11
KEY 2022  7   561.54
KEY 2022  8   563.74
KEY 2022  9   563.90
KEY 2022 10   554.00
KEY 2022 11   547.58
KEY 2022 12   553.47
KEY 2023  1   556.44
KEY 2023  2   551.39
KEY 2023  3   548.16
KEY 2023  4   552.51
KEY 2023  5   565.71
KEY 2023  6   574.30
KEY 2023  7   571.18
KEY 2023  9   566.55
KEY 2023 10   551.72
KEY 2023 11   535.10
KEY 2023 12   533.69