# number_of_header_lines: 46
# 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:  ************ RECIPROCITY AGREEMENT ***************
# comment: 
# comment:
# comment:  ************ DATA DESCRIPTION ***************
# comment:
# description_site-code: scsn15
# description_project-abbr: ccg_surface
# description_strategy-abbr: flask
# description_analysis-constraints: flag:..%
# description_creation-time: 2023-08-28 15:10:28
# 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
N15 1991  7  1721.70
N15 1991  8  1734.07
N15 1991  9  1751.31
N15 1991 10  1789.50
N15 1991 11  1796.25
N15 1991 12  1778.72
N15 1992  1  1785.84
N15 1992  2  1781.07
N15 1992  3  1757.15
N15 1992  4  1741.67
N15 1992  5  1727.65
N15 1992  6  1716.31
N15 1992  7  1720.56
N15 1992  8  1737.96
N15 1992  9  1770.98
N15 1992 10  1799.60
N15 1992 11  1798.38
N15 1992 12  1789.91
N15 1993  1  1788.15
N15 1993 12  1793.99
N15 1994  1  1798.39
N15 1994  2  1796.44
N15 1994  3  1787.19
N15 1994  4  1766.04
N15 1994  5  1737.33
N15 1994  6  1738.26
N15 1994  7  1743.85
N15 1994  8  1752.31
N15 1994  9  1783.46
N15 1994 10  1813.27
N15 1994 11  1819.94
N15 1994 12  1816.93
N15 1995  1  1807.21
N15 1995  2  1801.70
N15 1995  3  1792.72
N15 1995  4  1784.47
N15 1995 10  1788.95
N15 1995 11  1831.49
N15 1995 12  1814.35
N15 1996  1  1814.00
N15 1996  2  1823.57
N15 1996  3  1821.79
N15 1996  4  1811.30
N15 1996  5  1781.00
N15 1996  6  1743.22
N15 1996  7  1736.21
N15 1996  8  1750.56
N15 1996  9  1777.20
N15 1996 10  1806.88
N15 1996 11  1812.91
N15 1996 12  1812.17
N15 1997  1  1820.84
N15 1997  2  1810.10
N15 1997  3  1778.27
N15 1997  4  1768.39
N15 1997  5  1765.78
N15 1997  6  1747.77
N15 1997  7  1749.73
N15 1997  8  1773.13
N15 1997  9  1796.62
N15 1997 10  1815.34
N15 1997 11  1818.64
N15 1997 12  1812.71
N15 1998  1  1811.73
N15 1998  2  1803.36
N15 1998  3  1785.39
N15 1998  4  1783.34
N15 1998  5  1780.95
N15 1998  6  1751.82
N15 1998  7  1743.11
N15 1998  8  1751.31
N15 1998  9  1759.99
N15 1998 10  1782.83