# 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: CH4 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: University of Washington
# comment: 
# comment:  ************ RECIPROCITY AGREEMENT ***************
# comment: 
# comment:
# comment:  ************ DATA DESCRIPTION ***************
# comment:
# description_site-code: opw
# description_project-abbr: ccg_surface
# description_strategy-abbr: flask
# description_analysis-constraints: flag:..%
# description_creation-time: 2023-08-28 15:10:14
# 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
OPW 1985  4  1738.39
OPW 1985  5  1743.27
OPW 1985  6  1733.82
OPW 1985  7  1713.77
OPW 1985  8  1717.76
OPW 1985  9  1742.78
OPW 1985 10  1747.02
OPW 1985 11  1729.81
OPW 1985 12  1729.11
OPW 1986  1  1734.79
OPW 1986  2  1733.38
OPW 1986  3  1738.86
OPW 1986  4  1755.29
OPW 1986  5  1754.86
OPW 1986  6  1738.58
OPW 1986  7  1715.25
OPW 1986  8  1706.32
OPW 1986  9  1740.40
OPW 1986 10  1760.89
OPW 1986 11  1749.55
OPW 1986 12  1747.35
OPW 1987  1  1750.79
OPW 1987  2  1752.83
OPW 1987  3  1759.78
OPW 1987  4  1764.06
OPW 1987  5  1758.80
OPW 1987  6  1743.80
OPW 1987  7  1720.78
OPW 1987  8  1713.86
OPW 1987  9  1755.26
OPW 1988  1  1776.09
OPW 1988  2  1778.93
OPW 1988  3  1784.30
OPW 1988  7  1733.60
OPW 1988  8  1730.93
OPW 1988  9  1759.59
OPW 1988 10  1780.63
OPW 1988 11  1777.17
OPW 1988 12  1777.28
OPW 1989  1  1787.71
OPW 1989  2  1782.05
OPW 1989  3  1773.88
OPW 1989  4  1778.27
OPW 1989  5  1777.83
OPW 1989  6  1760.48
OPW 1989  7  1739.06
OPW 1989  8  1743.82
OPW 1989  9  1771.25
OPW 1989 10  1780.77
OPW 1989 11  1778.47
OPW 1989 12  1775.09
OPW 1990  1  1785.27
OPW 1990  2  1793.47
OPW 1990  3  1787.25
OPW 1990  4  1783.30
OPW 1990  5  1781.12