# header_lines : 159
#https://gml.noaa.gov/aftp/data/trace_gases/co2/in-situ/surface/txt/co2_mlo_surface-insitu_1_ccgg_MonthlyData.txt
# ------------------------------------------------------------->>>>
# DATA SET NAME
#
# dataset_name: co2_mlo_surface-insitu_1_ccgg_MonthlyData
#
# ------------------------------------------------------------->>>>
# DESCRIPTION
#
# dataset_description: Atmospheric Carbon Dioxide Dry Air Mole Fractions from quasi-continuous measurements at Mauna Loa, Hawaii.
#
# ------------------------------------------------------------->>>>
# CITATION
#
# dataset_citation: K.W. Thoning, A.M. Crotwell, and J.W. Mund (2023), Atmospheric Carbon Dioxide Dry Air Mole Fractions from  continuous measurements at Mauna Loa, Hawaii, Barrow, Alaska, American Samoa and South Pole. 1973-2022 Version 2023-08-24 National Oceanic and Atmospheric Administration (NOAA), Global Monitoring Laboratory (GML), Boulder, Colorado, USA https://doi.org/10.15138/yaf1-bk21
#
# ------------------------------------------------------------->>>>
# FAIR USE POLICY
#
# dataset_fair_use: These data are made freely available to the public and the scientific community in the belief that their wide dissemination will lead to greater understanding and new scientific insights. To ensure that GML receives fair credit for their work please include relevant citation text in publications. We encourage users to contact the data providers, who can provide detailed information about the measurements and scientific insight.  In cases where the data are central to a publication, coauthorship for data providers may be appropriate. 
#
# ------------------------------------------------------------->>>>
# WARNING
#
# dataset_warning: Every effort is made to produce the most accurate and precise measurements possible.  However, we reserve the right to make corrections to the data based on recalibration of standard gases or for other reasons deemed scientifically justified.  We are not responsible for results and conclusions based on use of these data without regard to this warning.
#
# ------------------------------------------------------------->>>>
# GLOBAL ATTRIBUTES
#
# site_code : MLO
# site_name : Mauna Loa, Hawaii
# site_country : United States
# site_country_flag : https://gml.noaa.gov/webdata/ccgg/ObsPack/images/flags/UNST0001.GIF
# site_latitude : 19.5362
# site_longitude : -155.5763
# site_elevation : 3397.0
# site_elevation_unit : masl
# site_position_comment : This is the nominal location of the site. The sampling location at many sites has changed over time, and we report here the most recent nominal location. The actual sampling location for each observation is not necessarily the site location. The sampling locations for each observation are reported in the lat
# dataset_calibration_scale : CO2_X2019
# dataset_start_date : 1973-08-01T00:00:00Z
# dataset_stop_date : 2022-12-01T00:00:00Z
# dataset_data_frequency : 1
# dataset_data_frequency_unit : month
# dataset_contribution : These data are provided by NOAA. Principal investigators include Kirk Thoning (NOAA) AND Pieter Tans (INSTAAR-SIL)
# provider_2_name : Pieter Tans
# provider_2_address1 : NOAA GML
# provider_2_address2 : 325 Broadway R/GML-1
# provider_2_address3 : Boulder, CO 80305-3328
# provider_2_country : United States
# provider_2_affiliation : INSTAAR Stable Isotope Laboratory
MLO	1974	5	333.16
MLO	1974	6	332.17
MLO	1974	7	331.11
MLO	1974	8	329.11
MLO	1974	9	327.3
MLO	1974	10	327.3
MLO	1974	11	328.27
MLO	1974	12	329.61
MLO	1975	1	330.75
MLO	1975	2	331.47
MLO	1975	3	331.9
MLO	1975	4	333.12
MLO	1975	5	333.95
MLO	1975	6	333.46
MLO	1975	7	332.04
MLO	1975	8	329.92
MLO	1975	9	328.46
MLO	1975	10	328.48
MLO	1975	11	329.23
MLO	1975	12	-999.99
MLO	1976	1	331.63
MLO	1976	2	332.75
MLO	1976	3	333.3
MLO	1976	4	334.76
MLO	1976	5	334.72
MLO	1976	6	334.19
MLO	1976	7	332.89
MLO	1976	8	330.72
MLO	1976	9	328.89
MLO	1976	10	328.7
MLO	1976	11	330.25
MLO	1976	12	331.67
MLO	1977	1	332.66
MLO	1977	2	333.22
MLO	1977	3	334.98
MLO	1977	4	336.22
MLO	1977	5	336.92
MLO	1977	6	336.16
MLO	1977	7	334.81
MLO	1977	8	332.61
MLO	1977	9	331.27
MLO	1977	10	331.28
MLO	1977	11	332.53
MLO	1977	12	333.61
MLO	1978	1	334.98
MLO	1978	2	335.27
MLO	1978	3	336.65
MLO	1978	4	337.73
MLO	1978	5	338.02
MLO	1978	6	337.95
MLO	1978	7	336.34
MLO	1978	8	334.65
MLO	1978	9	332.35
MLO	1978	10	332.42
MLO	1978	11	333.76
MLO	1978	12	334.96
MLO	1979	1	336.11
MLO	1979	2	336.69
MLO	1979	3	338.3
MLO	1979	4	338.87
MLO	1979	5	339.24
MLO	1979	6	339.34
MLO	1979	7	337.52
MLO	1979	8	335.66
MLO	1979	9	333.9
MLO	1979	10	334.27
MLO	1979	11	335.4
MLO	1979	12	336.74
MLO	1980	1	337.9
MLO	1980	2	338.37
MLO	1980	3	340.11
MLO	1980	4	340.97
MLO	1980	5	341.45
MLO	1980	6	341.42
MLO	1980	7	339.47
MLO	1980	8	337.72
MLO	1980	9	336.29
MLO	1980	10	336.14
MLO	1980	11	337.28
MLO	1980	12	338.36
MLO	1981	1	339.28
MLO	1981	2	340.55
MLO	1981	3	341.65
MLO	1981	4	342.59
MLO	1981	5	343.03
MLO	1981	6	342.52
MLO	1981	7	340.86
MLO	1981	8	338.6
MLO	1981	9	336.96
MLO	1981	10	337.04
MLO	1981	11	338.52
MLO	1981	12	339.88
MLO	1982	1	340.94
MLO	1982	2	341.75
MLO	1982	3	342.64
MLO	1982	4	343.89
MLO	1982	5	344.77
MLO	1982	6	343.93
MLO	1982	7	342.48
MLO	1982	8	340.28
MLO	1982	9	338.35
MLO	1982	10	338.44
MLO	1982	11	339.45
MLO	1982	12	340.78
MLO	1983	1	341.59
MLO	1983	2	342.81
MLO	1983	3	343.34
MLO	1983	4	345.45
MLO	1983	5	346.13
MLO	1983	6	345.77
MLO	1983	7	344.35
MLO	1983	8	342.57
MLO	1983	9	340.46
MLO	1983	10	340.45
MLO	1983	11	341.8
MLO	1983	12	343.28
MLO	1984	1	344.2
MLO	1984	2	344.94
MLO	1984	3	345.61
MLO	1984	4	347.48
MLO	1984	5	347.78
MLO	1984	6	347.15
MLO	1984	7	345.83
MLO	1984	8	343.8
MLO	1984	9	341.56
MLO	1984	10	341.85
MLO	1984	11	343.18
MLO	1984	12	345.04
MLO	1985	1	345.48
MLO	1985	2	346.44
MLO	1985	3	347.83
MLO	1985	4	348.61
MLO	1985	5	349.28
MLO	1985	6	348.59
MLO	1985	7	347.0
MLO	1985	8	345.02
MLO	1985	9	343.47
MLO	1985	10	343.38
MLO	1985	11	344.76
MLO	1985	12	346.15
MLO	1986	1	346.8
MLO	1986	2	347.48
MLO	1986	3	348.22
MLO	1986	4	349.86
MLO	1986	5	350.52
MLO	1986	6	349.99
MLO	1986	7	348.3
MLO	1986	8	346.19
MLO	1986	9	345.39
MLO	1986	10	344.76
MLO	1986	11	346.26
MLO	1986	12	347.4
MLO	1987	1	348.69
MLO	1987	2	348.91
MLO	1987	3	349.8
MLO	1987	4	351.43
MLO	1987	5	352.15
MLO	1987	6	351.68
MLO	1987	7	350.35
MLO	1987	8	348.2
MLO	1987	9	346.62
MLO	1987	10	346.78
MLO	1987	11	348.08
MLO	1987	12	349.29
MLO	1988	1	350.45
MLO	1988	2	351.74
MLO	1988	3	352.46
MLO	1988	4	353.66
MLO	1988	5	354.35
MLO	1988	6	353.81
MLO	1988	7	352.77
MLO	1988	8	350.44
MLO	1988	9	348.98
MLO	1988	10	349.39
MLO	1988	11	350.47
MLO	1988	12	351.61
MLO	1989	1	353.06
MLO	1989	2	353.42
MLO	1989	3	354.07
MLO	1989	4	355.72
MLO	1989	5	355.95
MLO	1989	6	355.42
MLO	1989	7	354.05
MLO	1989	8	351.88
MLO	1989	9	350.12
MLO	1989	10	350.36
MLO	1989	11	351.58
MLO	1989	12	352.87
MLO	1990	1	353.87
MLO	1990	2	355.1
MLO	1990	3	355.77
MLO	1990	4	356.37
MLO	1990	5	357.38
MLO	1990	6	356.41
MLO	1990	7	354.9
MLO	1990	8	353.04
MLO	1990	9	351.36
MLO	1990	10	351.7
MLO	1990	11	353.09
MLO	1990	12	354.43
MLO	1991	1	354.93
MLO	1991	2	355.82
MLO	1991	3	357.34
MLO	1991	4	358.77
MLO	1991	5	359.24
MLO	1991	6	358.23
MLO	1991	7	356.31
MLO	1991	8	353.83
MLO	1991	9	352.33
MLO	1991	10	352.41
MLO	1991	11	353.89
MLO	1991	12	355.23
MLO	1992	1	356.34
MLO	1992	2	357.22
MLO	1992	3	357.95
MLO	1992	4	359.23
MLO	1992	5	359.71
MLO	1992	6	359.44
MLO	1992	7	357.15
MLO	1992	8	355.08
MLO	1992	9	352.99
MLO	1992	10	353.43
MLO	1992	11	354.4
MLO	1992	12	355.68
MLO	1993	1	357.11
MLO	1993	2	357.42
MLO	1993	3	358.6
MLO	1993	4	359.4
MLO	1993	5	360.31
MLO	1993	6	359.64
MLO	1993	7	357.49
MLO	1993	8	355.78
MLO	1993	9	354.11
MLO	1993	10	354.27
MLO	1993	11	355.52
MLO	1993	12	357.03
MLO	1994	1	358.31
MLO	1994	2	359.06
MLO	1994	3	360.1
MLO	1994	4	361.39
MLO	1994	5	361.78
MLO	1994	6	360.97
MLO	1994	7	359.51
MLO	1994	8	357.64
MLO	1994	9	355.87
MLO	1994	10	356.16
MLO	1994	11	357.67
MLO	1994	12	359.07
MLO	1995	1	360.05
MLO	1995	2	361.0
MLO	1995	3	361.96
MLO	1995	4	363.42
MLO	1995	5	363.83
MLO	1995	6	363.34
MLO	1995	7	361.71
MLO	1995	8	359.34
MLO	1995	9	358.29
MLO	1995	10	358.14
MLO	1995	11	359.63
MLO	1995	12	360.84
MLO	1996	1	362.19
MLO	1996	2	363.37
MLO	1996	3	364.26
MLO	1996	4	364.71
MLO	1996	5	365.25
MLO	1996	6	365.06
MLO	1996	7	363.69
MLO	1996	8	361.56
MLO	1996	9	359.72
MLO	1996	10	359.74
MLO	1996	11	361.05
MLO	1996	12	362.42
MLO	1997	1	363.24
MLO	1997	2	364.21
MLO	1997	3	364.65
MLO	1997	4	366.52
MLO	1997	5	366.77
MLO	1997	6	365.67
MLO	1997	7	364.5
MLO	1997	8	362.42
MLO	1997	9	360.46
MLO	1997	10	360.99
MLO	1997	11	362.65
MLO	1997	12	364.52
MLO	1998	1	365.38
MLO	1998	2	366.1
MLO	1998	3	367.36
MLO	1998	4	368.79
MLO	1998	5	369.56
MLO	1998	6	369.11
MLO	1998	7	367.99
MLO	1998	8	366.13
MLO	1998	9	364.17
MLO	1998	10	364.54
MLO	1998	11	365.64
MLO	1998	12	367.35
MLO	1999	1	368.32
MLO	1999	2	369.21
MLO	1999	3	369.87
MLO	1999	4	371.17
MLO	1999	5	371.12
MLO	1999	6	370.5
MLO	1999	7	369.55
MLO	1999	8	367.05
MLO	1999	9	364.94
MLO	1999	10	365.52
MLO	1999	11	366.86
MLO	1999	12	368.27
MLO	2000	1	369.43
MLO	2000	2	369.76
MLO	2000	3	370.75
MLO	2000	4	371.96
MLO	2000	5	371.75
MLO	2000	6	371.86
MLO	2000	7	370.07
MLO	2000	8	368.36
MLO	2000	9	367.15
MLO	2000	10	367.18
MLO	2000	11	368.53
MLO	2000	12	369.85
MLO	2001	1	370.76
MLO	2001	2	371.7
MLO	2001	3	372.6
MLO	2001	4	373.54
MLO	2001	5	374.03
MLO	2001	6	373.35
MLO	2001	7	371.72
MLO	2001	8	369.66
MLO	2001	9	368.35
MLO	2001	10	368.61
MLO	2001	11	369.97
MLO	2001	12	371.41
MLO	2002	1	372.67
MLO	2002	2	373.37
MLO	2002	3	374.25
MLO	2002	4	375.19
MLO	2002	5	375.93
MLO	2002	6	375.71
MLO	2002	7	374.24
MLO	2002	8	372.02
MLO	2002	9	370.9
MLO	2002	10	370.73
MLO	2002	11	372.42
MLO	2002	12	373.98
MLO	2003	1	375.06
MLO	2003	2	375.81
MLO	2003	3	376.63
MLO	2003	4	377.92
MLO	2003	5	378.78
MLO	2003	6	378.42
MLO	2003	7	376.86
MLO	2003	8	374.74
MLO	2003	9	373.31
MLO	2003	10	373.31
MLO	2003	11	374.93
MLO	2003	12	376.12
MLO	2004	1	377.16
MLO	2004	2	378.06
MLO	2004	3	379.08
MLO	2004	4	380.55
MLO	2004	5	380.8
MLO	2004	6	379.94
MLO	2004	7	377.6
MLO	2004	8	376.4
MLO	2004	9	374.48
MLO	2004	10	374.65
MLO	2004	11	376.35
MLO	2004	12	377.67
MLO	2005	1	378.63
MLO	2005	2	379.92
MLO	2005	3	381.0
MLO	2005	4	382.48
MLO	2005	5	382.64
MLO	2005	6	382.42
MLO	2005	7	380.9
MLO	2005	8	378.98
MLO	2005	9	376.88
MLO	2005	10	377.01
MLO	2005	11	378.58
MLO	2005	12	380.28
MLO	2006	1	381.62
MLO	2006	2	382.42
MLO	2006	3	382.86
MLO	2006	4	384.88
MLO	2006	5	385.22
MLO	2006	6	384.24
MLO	2006	7	382.64
MLO	2006	8	380.57
MLO	2006	9	379.0
MLO	2006	10	379.32
MLO	2006	11	380.32
MLO	2006	12	381.98
MLO	2007	1	383.12
MLO	2007	2	384.09
MLO	2007	3	384.78
MLO	2007	4	386.73
MLO	2007	5	386.78
MLO	2007	6	386.37
MLO	2007	7	384.8
MLO	2007	8	382.3
MLO	2007	9	381.16
MLO	2007	10	381.38
MLO	2007	11	382.7
MLO	2007	12	384.24
MLO	2008	1	385.78
MLO	2008	2	386.05
MLO	2008	3	386.29
MLO	2008	4	387.41
MLO	2008	5	388.78
MLO	2008	6	388.11
MLO	2008	7	385.88
MLO	2008	8	384.34
MLO	2008	9	383.41
MLO	2008	10	383.15
MLO	2008	11	384.42
MLO	2008	12	385.75
MLO	2009	1	387.16
MLO	2009	2	387.71
MLO	2009	3	389.04
MLO	2009	4	389.76
MLO	2009	5	390.36
MLO	2009	6	389.72
MLO	2009	7	388.25
MLO	2009	8	386.28
MLO	2009	9	384.94
MLO	2009	10	384.65
MLO	2009	11	386.23
MLO	2009	12	387.59
MLO	2010	1	388.91
MLO	2010	2	390.4
MLO	2010	3	391.38
MLO	2010	4	392.68
MLO	2010	5	393.21
MLO	2010	6	392.4
MLO	2010	7	390.43
MLO	2010	8	388.56
MLO	2010	9	387.02
MLO	2010	10	387.43
MLO	2010	11	388.84
MLO	2010	12	389.99
MLO	2011	1	391.5
MLO	2011	2	392.05
MLO	2011	3	392.77
MLO	2011	4	393.42
MLO	2011	5	394.41
MLO	2011	6	393.92
MLO	2011	7	392.72
MLO	2011	8	390.39
MLO	2011	9	389.25
MLO	2011	10	389.2
MLO	2011	11	390.49
MLO	2011	12	392.04
MLO	2012	1	393.32
MLO	2012	2	394.05
MLO	2012	3	394.58
MLO	2012	4	396.39
MLO	2012	5	396.93
MLO	2012	6	395.92
MLO	2012	7	394.57
MLO	2012	8	392.57
MLO	2012	9	391.31
MLO	2012	10	391.27
MLO	2012	11	393.22
MLO	2012	12	394.56
MLO	2013	1	395.8
MLO	2013	2	397.03
MLO	2013	3	397.67
MLO	2013	4	398.62
MLO	2013	5	400.02
MLO	2013	6	398.85
MLO	2013	7	397.45
MLO	2013	8	395.39
MLO	2013	9	393.73
MLO	2013	10	393.9
MLO	2013	11	395.36
MLO	2013	12	397.02
MLO	2014	1	398.04
MLO	2014	2	398.27
MLO	2014	3	399.9
MLO	2014	4	401.49
MLO	2014	5	401.95
MLO	2014	6	401.44
MLO	2014	7	399.37
MLO	2014	8	397.16
MLO	2014	9	395.5
MLO	2014	10	396.13
MLO	2014	11	397.38
MLO	2014	12	399.1
MLO	2015	1	400.18
MLO	2015	2	400.55
MLO	2015	3	401.77
MLO	2015	4	403.38
MLO	2015	5	404.14
MLO	2015	6	402.95
MLO	2015	7	401.47
MLO	2015	8	399.08
MLO	2015	9	397.82
MLO	2015	10	398.5
MLO	2015	11	400.29
MLO	2015	12	402.07
MLO	2016	1	402.75
MLO	2016	2	404.29
MLO	2016	3	405.05
MLO	2016	4	407.63
MLO	2016	5	407.91
MLO	2016	6	407.01
MLO	2016	7	404.52
MLO	2016	8	402.44
MLO	2016	9	401.23
MLO	2016	10	401.79
MLO	2016	11	403.72
MLO	2016	12	404.66
MLO	2017	1	406.33
MLO	2017	2	406.64
MLO	2017	3	407.58
MLO	2017	4	409.23
MLO	2017	5	409.89
MLO	2017	6	409.09
MLO	2017	7	407.31
MLO	2017	8	405.28
MLO	2017	9	403.59
MLO	2017	10	403.81
MLO	2017	11	405.24
MLO	2017	12	407.0
MLO	2018	1	408.15
MLO	2018	2	408.52
MLO	2018	3	409.58
MLO	2018	4	410.44
MLO	2018	5	411.43
MLO	2018	6	411.0
MLO	2018	7	408.85
MLO	2018	8	407.16
MLO	2018	9	405.72
MLO	2018	10	406.19
MLO	2018	11	408.27
MLO	2018	12	409.28
MLO	2019	1	411.04
MLO	2019	2	411.96
MLO	2019	3	412.14
MLO	2019	4	413.56
MLO	2019	5	414.86
MLO	2019	6	414.14
MLO	2019	7	412.01
MLO	2019	8	410.21
MLO	2019	9	408.76
MLO	2019	10	408.72
MLO	2019	11	410.51
MLO	2019	12	411.97
MLO	2020	1	413.6
MLO	2020	2	414.33
MLO	2020	3	414.69
MLO	2020	4	416.42
MLO	2020	5	417.28
MLO	2020	6	416.54
MLO	2020	7	414.6
MLO	2020	8	412.66
MLO	2020	9	411.5
MLO	2020	10	411.48
MLO	2020	11	413.1
MLO	2020	12	414.22
MLO	2021	1	415.49
MLO	2021	2	416.72
MLO	2021	3	417.57
MLO	2021	4	419.0
MLO	2021	5	419.09
MLO	2021	6	418.94
MLO	2021	7	416.9
MLO	2021	8	414.52
MLO	2021	9	413.26
MLO	2021	10	413.88
MLO	2021	11	414.97
MLO	2021	12	416.68
MLO	2022	1	418.12
MLO	2022	2	419.24
MLO	2022	3	418.76
MLO	2022	4	420.2
MLO	2022	5	420.97
MLO	2022	6	420.93
MLO	2022	7	418.85
MLO     2022    8       417.18
MLO     2022    9       415.89
MLO     2022    10      415.72
MLO     2022    11      417.47
MLO     2022    12      999.99
MLO     2023    1       999.99
MLO     2023    2       999.99
MLO     2023    3       999.99
MLO     2023    4       999.99
MLO     2023    5       999.99
MLO     2023    6       999.99
MLO     2023    7       421.62
MLO     2023    8       419.72
MLO     2023    9       418.41
MLO     2023    10      418.84
MLO     2023    11      420.35
MLO     2023    12      421.9
MLO     2024    1       422.84
MLO     2024    2       424.57
MLO     2024    3       425.29
MLO     2024    4       426.72