monthly mean of baseline data, created: 14-Nov-2022 GC-PDD, Cape Grim, Tasmania, Lat.: -40.68, 40.68S, Lon.:, 144.69, 144.69E, Alt:, 94, m above sea level CREDIT FOR USE: This is a formal notification for data users. For scientific purposes access to these data is unlimited and provided without charge. By their use you accept that an offer of co-authorship will be made through personal contact with the data providers or owners whenever substantial use is made of their data. In all cases an acknowledgement must be made to the data providers or owners and the data centre when these data are used within a publication." CONTACT POINT: paul.krummel@csiro.au; paul.fraser@csiro.au; raywang@eas.gatech.edu You can use the following format in Fortran to read data in different columns, (F9.3, I4, I6, 50(I8, f11.3,f9.3)) scale: --- --- --- MPI-2009 --- unit: --- --- --- ppb --- time MM YYYY num H2_PDD std. 2015.292 4 2015 91 546.774 2.149 2015.375 5 2015 282 545.950 1.973 2015.458 6 2015 501 540.381 3.359 2015.542 7 2015 595 537.037 2.557 2015.625 8 2015 739 536.094 1.889 2015.708 9 2015 750 536.902 2.027 2015.792 10 2015 717 538.166 2.364 2015.875 11 2015 745 544.710 3.530 2015.958 12 2015 729 548.994 2.255 2016.042 1 2016 802 554.702 2.464 2016.125 2 2016 719 557.756 1.803 2016.208 3 2016 689 557.228 1.770 2016.292 4 2016 630 555.772 1.884 2016.375 5 2016 681 552.912 1.929 2016.458 6 2016 584 548.783 1.760 2016.542 7 2016 645 546.095 1.681 2016.625 8 2016 623 543.901 1.187 2016.708 9 2016 691 543.846 2.117 2016.792 10 2016 793 546.768 1.377 2016.875 11 2016 819 551.106 1.874 2016.958 12 2016 658 554.214 1.246 2017.042 1 2017 781 557.367 2.406 2017.125 2 2017 761 558.399 2.303 2017.208 3 2017 547 555.185 2.956 2017.292 4 2017 479 553.456 2.761 2017.375 5 2017 430 550.767 2.516 2017.458 6 2017 602 547.656 1.377 2017.542 7 2017 526 545.171 1.217 2017.625 8 2017 614 543.063 1.552 2017.708 9 2017 635 543.116 1.516 2017.792 10 2017 621 547.186 2.802 2017.875 11 2017 655 550.765 2.266 2017.958 12 2017 718 554.784 2.396 2018.042 1 2018 754 556.394 2.542 2018.125 2 2018 655 557.039 2.879 2018.208 3 2018 183 556.509 2.826 2018.292 4 2018 560 555.141 1.457 2018.375 5 2018 606 552.920 1.310 2018.458 6 2018 476 550.333 1.205 2018.542 7 2018 365 546.670 2.033 2018.625 8 2018 610 544.151 1.831 2018.708 9 2018 644 544.603 1.692 2018.792 10 2018 575 544.559 2.664 2018.875 11 2018 8 543.516 1.562 2018.958 12 2018 312 552.744 3.389 2019.042 1 2019 321 556.861 3.791 2019.125 2 2019 411 558.870 1.567 2019.208 3 2019 523 558.667 1.625 2019.292 4 2019 563 556.742 1.728 2019.375 5 2019 556 553.297 1.292 2019.458 6 2019 425 550.091 1.889 2019.542 7 2019 691 547.328 1.183 2019.625 8 2019 667 545.942 1.127 2019.708 9 2019 756 546.968 1.627 2019.792 10 2019 734 550.687 2.457 2019.875 11 2019 837 556.156 2.118 2019.958 12 2019 833 562.566 2.392 2020.042 1 2020 692 566.664 3.321 2020.125 2 2020 643 568.641 3.106 2020.208 3 2020 640 567.573 2.828 2020.292 4 2020 585 564.667 2.291 2020.375 5 2020 559 560.605 2.201 2020.458 6 2020 552 556.414 2.515 2020.542 7 2020 508 551.773 2.544 2020.625 8 2020 685 549.730 2.281 2020.708 9 2020 716 550.437 2.289 2020.792 10 2020 770 554.164 3.084 2020.875 11 2020 727 558.721 3.128 2020.958 12 2020 836 563.567 2.421 2021.042 1 2021 835 565.712 2.896 2021.125 2 2021 753 566.060 2.709 2021.208 3 2021 771 564.362 2.104 2021.292 4 2021 661 561.736 1.662 2021.375 5 2021 621 557.314 2.609 2021.458 6 2021 520 551.879 3.511 2021.542 7 2021 648 550.928 2.788 2021.625 8 2021 800 550.270 2.396 2021.708 9 2021 724 550.927 1.761 2021.792 10 2021 827 555.001 2.208 2021.875 11 2021 801 559.149 1.957 2021.958 12 2021 788 563.742 2.412