# 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: Chugach McKinley # comment: # comment: ************ RECIPROCITY AGREEMENT *************** # comment: # comment: # comment: ************ DATA DESCRIPTION *************** # comment: # description_site-code: shm # description_project-abbr: ccg_surface # description_strategy-abbr: flask # description_analysis-constraints: flag:..% # description_creation-time: 2024-07-30 08:13:37 # 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 SHM 1985 9 1755.45 SHM 1985 10 1763.95 SHM 1985 11 1756.93 SHM 1985 12 1755.87 SHM 1986 1 1751.60 SHM 1986 2 1753.71 SHM 1986 3 1764.30 SHM 1986 4 1769.09 SHM 1986 5 1762.76 SHM 1986 6 1742.66 SHM 1986 7 1733.53 SHM 1986 8 1756.30 SHM 1986 9 1777.37 SHM 1986 10 1782.74 SHM 1986 11 1772.60 SHM 1986 12 1764.91 SHM 1987 1 1774.59 SHM 1987 2 1776.36 SHM 1987 3 1767.70 SHM 1987 4 1772.70 SHM 1987 5 1775.54 SHM 1987 6 1761.65 SHM 1987 7 1743.29 SHM 1987 8 1741.15 SHM 1987 9 1763.45 SHM 1987 10 1780.99 SHM 1987 11 1787.74 SHM 1987 12 1789.04 SHM 1988 1 1785.03 SHM 1988 2 1787.06 SHM 1988 3 1793.15 SHM 1988 4 1797.39 SHM 1988 5 1787.61 SHM 1988 6 1765.19 SHM 1988 7 1753.59 SHM 1988 8 1761.97 SHM 1988 9 1781.06 SHM 1988 10 1792.77 SHM 1988 11 1794.46 SHM 1988 12 1794.95 SHM 1989 1 1799.63 SHM 1989 2 1800.91 SHM 1989 3 1798.84 SHM 1989 4 1797.04 SHM 1989 5 1783.99 SHM 1989 6 1767.38 SHM 1989 7 1766.51 SHM 1989 8 1786.52 SHM 1989 9 1803.44 SHM 1989 10 1803.70 SHM 1989 11 1800.22 SHM 1989 12 1805.65 SHM 1990 1 1816.61 SHM 1990 2 1816.27 SHM 1990 3 1808.41 SHM 1990 4 1804.35 SHM 1990 5 1799.68 SHM 1990 6 1780.91 SHM 1990 7 1775.81 SHM 1990 8 1801.26 SHM 1990 9 1816.25 SHM 1990 10 1816.10 SHM 1990 11 1815.50 SHM 1990 12 1821.10 SHM 1991 1 1824.24 SHM 1991 2 1818.82 SHM 1991 3 1819.48 SHM 1991 4 1818.57 SHM 1991 5 1813.95 SHM 1991 6 1799.96 SHM 1991 7 1785.26 SHM 1991 8 1801.78 SHM 1991 9 1817.19 SHM 1991 10 1815.46 SHM 1991 11 1821.27 SHM 1991 12 1828.58 SHM 1992 1 1827.57 SHM 1992 2 1823.11 SHM 1992 3 1824.47 SHM 1992 4 1824.59 SHM 1992 5 1813.33 SHM 1992 6 1800.87 SHM 1992 7 1796.65 SHM 1992 8 1811.20 SHM 1992 9 1818.18 SHM 1992 10 1816.84 SHM 1992 11 1824.54 SHM 1992 12 1826.67 SHM 1993 1 1827.06 SHM 1993 2 1824.09 SHM 1993 3 1818.19 SHM 1993 4 1818.80 SHM 1993 5 1814.61 SHM 1993 6 1796.10 SHM 1993 7 1785.53 SHM 1993 8 1799.99 SHM 1993 9 1821.10 SHM 1993 10 1830.85 SHM 1993 11 1833.18 SHM 1993 12 1833.07 SHM 1994 1 1833.21 SHM 1994 2 1833.33 SHM 1994 3 1833.10 SHM 1994 4 1832.87 SHM 1994 5 1829.14 SHM 1994 6 1811.33 SHM 1994 7 1792.21 SHM 1994 8 1800.84 SHM 1994 9 1819.19 SHM 1994 10 1827.75 SHM 1994 11 1834.99 SHM 1994 12 1842.30 SHM 1995 1 1843.28 SHM 1995 2 1837.33 SHM 1995 3 1831.22 SHM 1995 4 1831.51 SHM 1995 5 1825.34 SHM 1995 6 1811.04 SHM 1995 7 1800.73 SHM 1995 8 1805.81 SHM 1995 9 1827.96 SHM 1995 10 1841.26 SHM 1995 11 1841.35 SHM 1995 12 1833.66 SHM 1996 1 1837.14 SHM 1996 2 1844.75 SHM 1996 3 1839.55 SHM 1996 4 1831.87 SHM 1996 5 1826.63 SHM 1996 6 1814.89 SHM 1996 7 1803.24 SHM 1996 8 1815.96 SHM 1996 9 1831.29 SHM 1996 10 1836.21 SHM 1996 11 1843.61 SHM 1996 12 1844.72 SHM 1997 1 1839.75 SHM 1997 2 1836.93 SHM 1997 3 1839.87 SHM 1997 4 1844.81 SHM 1997 5 1832.09 SHM 1997 6 1812.53 SHM 1997 7 1799.63 SHM 1997 8 1805.62 SHM 1997 9 1823.72 SHM 1997 10 1833.02 SHM 1997 11 1833.55 SHM 1997 12 1839.10 SHM 1998 1 1844.54 SHM 1998 2 1850.69 SHM 1998 3 1854.27 SHM 1998 4 1849.28 SHM 1998 5 1841.09 SHM 1998 6 1826.07 SHM 1998 7 1812.08 SHM 1998 8 1829.65 SHM 1998 9 1858.66 SHM 1998 10 1864.96 SHM 1998 11 1859.75 SHM 1998 12 1858.04 SHM 1999 1 1863.35 SHM 1999 2 1872.18 SHM 1999 3 1870.60 SHM 1999 4 1856.84 SHM 1999 5 1849.30 SHM 1999 6 1833.22 SHM 1999 7 1815.92 SHM 1999 8 1822.90 SHM 1999 9 1838.34 SHM 1999 10 1849.56 SHM 1999 11 1855.97 SHM 1999 12 1850.34 SHM 2000 1 1851.75 SHM 2000 2 1861.81 SHM 2000 3 1861.89 SHM 2000 4 1857.71 SHM 2000 5 1849.22 SHM 2000 6 1835.94 SHM 2000 7 1816.40 SHM 2000 8 1813.15 SHM 2000 9 1841.74 SHM 2000 10 1856.58 SHM 2000 11 1856.40 SHM 2000 12 1854.28 SHM 2001 1 1859.71 SHM 2001 2 1864.13 SHM 2001 3 1866.76 SHM 2001 4 1864.68 SHM 2001 5 1848.47 SHM 2001 6 1830.78 SHM 2001 7 1821.05 SHM 2001 8 1823.99 SHM 2001 9 1839.15 SHM 2001 10 1855.14 SHM 2001 11 1860.74 SHM 2001 12 1859.81 SHM 2002 1 1859.95 SHM 2002 2 1863.07 SHM 2002 3 1867.14 SHM 2002 4 1859.01 SHM 2002 5 1845.20 SHM 2002 6 1833.21 SHM 2002 7 1814.50 SHM 2002 8 1816.79 SHM 2002 9 1847.55 SHM 2002 10 1862.87 SHM 2002 11 1855.10 SHM 2002 12 1857.41 SHM 2003 1 1863.32 SHM 2003 2 1862.92 SHM 2003 3 1861.32 SHM 2003 4 1865.76 SHM 2003 5 1860.13 SHM 2003 6 1843.22 SHM 2003 7 1831.47 SHM 2003 8 1843.51 SHM 2003 9 1861.42 SHM 2003 10 1866.11 SHM 2003 11 1867.67 SHM 2003 12 1867.99 SHM 2004 1 1863.97 SHM 2004 2 1866.08 SHM 2004 3 1871.36 SHM 2004 4 1867.20 SHM 2004 5 1859.26 SHM 2004 6 1840.93 SHM 2004 7 1824.12 SHM 2004 8 1832.75 SHM 2004 9 1848.75 SHM 2004 10 1857.75 SHM 2004 11 1868.37 SHM 2004 12 1861.75 SHM 2005 1 1848.05 SHM 2005 2 1856.21 SHM 2005 3 1862.65 SHM 2005 4 1858.57 SHM 2005 5 1853.26 SHM 2005 6 1835.99 SHM 2005 7 1825.29 SHM 2005 11 1869.61 SHM 2005 12 1860.46 SHM 2006 1 1860.16 SHM 2006 2 1873.58 SHM 2006 3 1869.24 SHM 2006 4 1857.83 SHM 2006 5 1853.36 SHM 2006 6 1827.81 SHM 2006 7 1803.87 SHM 2006 8 1812.60 SHM 2006 9 1844.17 SHM 2006 10 1856.57 SHM 2006 11 1859.45 SHM 2006 12 1868.71 SHM 2007 1 1868.75 SHM 2007 2 1868.09 SHM 2007 3 1870.59 SHM 2007 4 1866.04 SHM 2007 5 1855.11 SHM 2007 6 1835.86 SHM 2007 7 1826.23 SHM 2007 8 1848.59 SHM 2007 9 1872.70 SHM 2007 10 1872.41 SHM 2007 11 1869.87 SHM 2007 12 1875.22 SHM 2008 1 1877.10 SHM 2008 2 1872.04 SHM 2008 3 1869.65 SHM 2008 4 1869.57 SHM 2008 5 1862.66 SHM 2008 6 1847.94 SHM 2008 7 1836.06 SHM 2008 8 1848.31 SHM 2008 9 1866.89 SHM 2008 10 1872.67 SHM 2008 11 1878.50 SHM 2008 12 1885.57 SHM 2009 1 1883.52 SHM 2009 2 1883.36 SHM 2009 3 1885.30 SHM 2009 4 1882.70 SHM 2009 5 1870.83 SHM 2009 6 1854.68 SHM 2009 7 1850.10 SHM 2009 8 1857.84 SHM 2009 9 1867.95 SHM 2009 10 1873.88 SHM 2009 11 1876.10 SHM 2009 12 1878.18 SHM 2010 1 1884.82 SHM 2010 2 1890.33 SHM 2010 3 1891.43 SHM 2010 4 1881.19 SHM 2010 5 1870.28 SHM 2010 6 1859.83 SHM 2010 7 1841.22 SHM 2010 8 1852.02 SHM 2010 9 1877.78 SHM 2010 10 1882.39 SHM 2010 11 1881.77 SHM 2010 12 1883.30 SHM 2011 1 1880.27 SHM 2011 2 1880.37 SHM 2011 3 1890.95 SHM 2011 4 1888.24 SHM 2011 5 1877.02 SHM 2011 6 1861.52 SHM 2011 7 1858.45 SHM 2011 8 1880.45 SHM 2011 9 1891.81 SHM 2011 10 1890.34 SHM 2011 11 1895.05 SHM 2011 12 1900.56 SHM 2012 1 1897.91 SHM 2012 2 1895.85 SHM 2012 3 1900.36 SHM 2012 4 1892.22 SHM 2012 5 1872.55 SHM 2012 6 1861.82 SHM 2012 7 1858.95 SHM 2012 8 1874.45 SHM 2012 9 1888.74 SHM 2012 10 1885.60 SHM 2012 11 1892.19 SHM 2012 12 1898.69 SHM 2013 1 1900.39 SHM 2013 2 1910.16 SHM 2013 3 1909.74 SHM 2013 4 1895.07 SHM 2013 5 1885.50 SHM 2013 6 1886.86 SHM 2013 7 1883.93 SHM 2013 8 1879.48 SHM 2013 9 1887.10 SHM 2014 2 1915.07 SHM 2014 3 1909.72 SHM 2014 4 1906.53 SHM 2014 5 1899.89 SHM 2014 6 1882.35 SHM 2014 7 1869.90 SHM 2014 8 1890.40 SHM 2014 9 1911.00 SHM 2014 10 1912.67 SHM 2014 11 1918.55 SHM 2014 12 1919.92 SHM 2015 1 1916.63 SHM 2015 2 1920.03 SHM 2015 3 1923.38 SHM 2015 4 1921.96 SHM 2015 5 1910.83 SHM 2015 6 1892.54 SHM 2015 7 1883.16 SHM 2015 8 1897.75 SHM 2015 9 1917.78 SHM 2015 10 1925.23 SHM 2015 11 1929.75 SHM 2015 12 1932.94 SHM 2016 1 1926.91 SHM 2016 2 1925.92 SHM 2016 3 1927.43 SHM 2016 4 1925.12 SHM 2016 5 1922.02 SHM 2016 6 1906.98 SHM 2016 7 1887.76 SHM 2016 8 1897.56 SHM 2016 9 1924.39 SHM 2016 10 1934.80 SHM 2016 11 1939.85 SHM 2016 12 1946.19 SHM 2017 1 1945.11 SHM 2017 2 1941.32 SHM 2017 3 1936.76 SHM 2017 4 1933.33 SHM 2017 5 1927.52 SHM 2017 6 1912.22 SHM 2017 7 1895.09 SHM 2017 8 1909.01 SHM 2017 9 1933.65 SHM 2017 10 1939.88 SHM 2018 2 1944.90 SHM 2018 3 1949.63 SHM 2018 4 1941.32 SHM 2018 5 1938.43 SHM 2018 6 1922.98 SHM 2018 7 1889.67 SHM 2018 8 1896.13 SHM 2018 9 1934.63 SHM 2018 10 1942.39 SHM 2018 11 1945.30 SHM 2018 12 1952.29 SHM 2019 1 1957.63 SHM 2019 2 1965.77 SHM 2019 3 1962.89 SHM 2019 4 1951.48 SHM 2019 5 1943.58 SHM 2019 6 1929.65 SHM 2019 7 1908.23 SHM 2019 8 1926.37 SHM 2019 9 1958.61 SHM 2019 10 1961.96 SHM 2019 11 1961.52 SHM 2019 12 1966.33 SHM 2020 1 1965.16 SHM 2020 2 1964.15 SHM 2020 3 1965.78 SHM 2020 4 1960.29 SHM 2020 5 1951.46 SHM 2020 6 1942.25 SHM 2020 7 1934.66 SHM 2020 8 1954.16 SHM 2020 9 1980.59 SHM 2020 10 1984.78 SHM 2020 11 1981.43 SHM 2020 12 1980.05 SHM 2021 1 1980.55 SHM 2021 2 1983.25 SHM 2021 3 1985.11 SHM 2021 4 1983.39 SHM 2021 5 1978.15 SHM 2021 6 1959.15 SHM 2022 2 1998.32 SHM 2022 3 2000.69 SHM 2022 4 2002.54 SHM 2022 5 1992.96 SHM 2022 6 1972.80 SHM 2022 7 1966.68 SHM 2022 8 1986.33 SHM 2022 9 2011.43 SHM 2022 10 2012.60 SHM 2022 11 2009.86 SHM 2022 12 2008.81 SHM 2023 1 2003.29 SHM 2023 2 2010.32 SHM 2023 3 2016.17 SHM 2023 4 2005.97 SHM 2023 5 1999.70 SHM 2023 6 1987.75 SHM 2023 7 1978.14 SHM 2023 8 1988.63 SHM 2023 9 2006.74 SHM 2023 10 2015.87