# file: spo_F113_MM.dat # date: 2024-02-09 # # Chlorofluorocarbon-113 (F113) data from hourly in situ samples analyzed on a gas chromatograph located # at South Pole (SPO) station Antarctica (89.98 S, 24.80 W, elevation: 2810 m). # # Atmospheric measurements from the NOAA/GML Chromatograph for Atmospheric Trace # Species (CATS) program. This GC replaces the RITS GCs operated during the # period of 1986 through 2000. This work was funded in part by the Atmospheric Chemistry Project of # NOAA's Climate and Global Change Program. # # Data use policy see https://gml.noaa.gov/hats/hats_datause.html # # Citation: # G.S. Dutton and B.D. Hall (2024), # Global Atmospheric Chlorofluorocarbon-113 Dry Air Mole Fractions from the # NOAA GML Halocarbons in situ Network, 1998-2024, Version: 2024-02-09, # https://doi.org/10.7289/V5X0659V # # For contact information see https://gml.noaa.gov/about/stafflist.html # # Calibration scale used: NOAA 2002 # More information about the calibration scale can be found at: https://gml.noaa.gov/ccl/ # # See (http://www.esrl.noaa.gov/gmd/obop/) for station statistics and personnel. # # The CATS GCs sample air once an hour. Monthly median data are provided in parts-per-trillion, ppt. # Abbreviations used: # yr=year, mon=month, m=monthly data; gc=type of sample--in situ GC data, sd=standard deviation of samples, # n=number of samples, brw=Pt. Barrow, Alaska, sum=Summit, Greenland, nwr= Niwot Ridge, Colorado # mlo=Mauna Loa, Hawaii, smo = American Samoa, spo=South Pole, Antarctica # NAN=not a number or no data, and space(s) is the delimiter. # # The standard deviation (unc) reported is the estimate of insturmental precision. # The standard deviation (sd) reported is the estimate of atmospheric variability. # # year, month, monthly median of F113 in ppt, uncertainty (unc), std. dev. (sd), number of samples # F113catsSPOyr F113catsSPOmon F113catsSPOm F113catsSPOunc F113catsSPOsd F113catsSPOn 1998 1 84.51 0.41 0.30 26 1998 2 84.64 0.21 0.38 187 1998 3 85.17 0.12 0.32 515 1998 4 84.99 0.13 0.42 452 1998 5 85.24 0.12 0.38 437 1998 6 85.19 0.13 0.25 415 1998 7 85.16 0.12 0.25 371 1998 8 85.01 0.13 0.25 273 1998 9 85.22 0.18 0.30 563 1998 10 85.00 0.11 0.25 343 1998 11 85.09 0.16 0.23 293 1998 12 84.98 0.13 0.24 418 1999 1 nan nan nan 0 1999 2 nan nan nan 0 1999 3 nan nan nan 0 1999 4 nan nan nan 0 1999 5 84.57 0.12 0.18 374 1999 6 84.42 0.10 0.19 595 1999 7 83.61 0.16 0.26 510 1999 8 83.52 0.21 0.23 375 1999 9 83.56 0.16 0.23 285 1999 10 83.59 0.11 0.21 438 1999 11 83.61 0.08 0.19 457 1999 12 83.45 0.07 0.21 446 2000 1 83.32 0.09 0.19 393 2000 2 83.67 0.21 0.23 414 2000 3 83.63 0.22 0.24 565 2000 4 83.29 0.21 0.26 537 2000 5 83.08 0.18 0.23 635 2000 6 83.16 0.16 0.18 466 2000 7 83.25 0.21 0.18 467 2000 8 83.34 0.25 0.22 427 2000 9 nan nan nan 0 2000 10 82.85 0.36 0.32 107 2000 11 82.74 0.31 0.24 152 2000 12 83.15 0.19 0.13 86 2001 1 83.03 0.23 0.18 482 2001 2 82.74 0.30 0.23 287 2001 3 83.08 0.26 0.19 305 2001 4 82.62 0.22 0.24 553 2001 5 82.51 0.25 0.22 584 2001 6 82.53 0.25 0.20 469 2001 7 82.58 0.25 0.18 489 2001 8 82.67 0.26 0.20 312 2001 9 82.59 0.38 0.33 373 2001 10 82.51 0.40 0.36 136 2001 11 nan nan nan 0 2001 12 nan nan nan 0 2002 1 81.37 0.17 0.20 49 2002 2 82.07 0.66 0.68 330 2002 3 81.91 0.47 0.55 557 2002 4 81.84 0.44 0.49 439 2002 5 81.86 0.45 0.55 497 2002 6 81.86 0.51 0.56 531 2002 7 81.81 0.50 0.56 394 2002 8 81.78 0.45 0.48 537 2002 9 81.68 0.48 0.49 367 2002 10 81.62 0.45 0.50 227 2002 11 81.58 0.49 0.54 109 2002 12 81.49 0.31 0.39 607 2003 1 81.44 0.38 0.35 560 2003 2 81.41 0.37 0.44 489 2003 3 81.36 0.59 0.67 631 2003 4 81.34 0.61 0.61 546 2003 5 81.32 0.61 0.64 642 2003 6 81.33 0.63 0.62 634 2003 7 81.46 0.69 0.70 604 2003 8 81.32 0.70 0.72 670 2003 9 81.49 0.76 0.79 582 2003 10 81.21 0.81 0.96 292 2003 11 81.15 0.59 0.70 386 2003 12 80.38 0.47 0.76 460 2004 1 80.42 0.32 0.36 241 2004 2 80.39 0.39 0.38 599 2004 3 80.38 0.28 0.33 646 2004 4 80.15 0.26 0.41 359 2004 5 80.33 0.26 0.41 310 2004 6 80.36 0.27 0.37 269 2004 7 80.12 0.30 0.41 235 2004 8 80.07 0.28 0.36 104 2004 9 nan nan nan 0 2004 10 80.45 0.33 0.51 660 2004 11 80.46 0.31 0.47 419 2004 12 80.58 0.30 0.50 652 2005 1 80.64 0.32 0.47 691 2005 2 80.45 0.36 0.55 493 2005 3 80.33 0.58 0.71 251 2005 4 80.22 0.53 0.71 484 2005 5 80.09 0.21 0.48 411 2005 6 80.13 0.48 0.74 385 2005 7 80.05 0.33 0.69 698 2005 8 80.01 0.35 0.67 667 2005 9 79.94 0.32 0.70 673 2005 10 80.22 0.32 0.64 701 2005 11 80.16 0.28 0.60 667 2005 12 79.96 0.37 0.74 519 2006 1 80.21 0.29 0.51 555 2006 2 80.33 0.28 0.51 643 2006 3 80.28 0.22 0.37 723 2006 4 80.20 0.18 0.28 690 2006 5 80.13 0.22 0.32 686 2006 6 80.15 0.20 0.30 687 2006 7 80.09 0.21 0.32 712 2006 8 80.08 0.21 0.32 703 2006 9 80.13 0.20 0.30 690 2006 10 79.99 0.19 0.28 732 2006 11 79.99 0.18 0.27 670 2006 12 79.99 0.15 0.26 665 2007 1 80.02 0.15 0.29 631 2007 2 79.75 0.17 0.29 590 2007 3 79.51 0.17 0.28 669 2007 4 79.39 0.16 0.27 686 2007 5 79.21 0.18 0.32 620 2007 6 79.02 0.19 0.30 688 2007 7 79.03 0.17 0.29 716 2007 8 79.05 0.17 0.28 687 2007 9 79.11 0.19 0.29 672 2007 10 79.15 0.18 0.27 718 2007 11 79.15 0.16 0.27 693 2007 12 79.07 0.16 0.26 695 2008 1 79.08 0.17 0.36 671 2008 2 78.96 0.19 0.33 668 2008 3 78.68 0.19 0.31 717 2008 4 78.63 0.16 0.29 683 2008 5 78.56 0.17 0.33 710 2008 6 78.65 0.17 0.35 693 2008 7 78.49 0.18 0.30 713 2008 8 78.51 0.17 0.33 649 2008 9 78.46 0.18 0.35 691 2008 10 78.33 0.19 0.34 715 2008 11 78.33 0.19 0.35 681 2008 12 78.39 0.16 0.34 711 2009 1 78.41 0.18 0.42 577 2009 2 77.62 0.14 0.25 332 2009 3 77.27 0.14 0.28 356 2009 4 77.12 0.14 0.25 346 2009 5 77.04 0.14 0.23 369 2009 6 77.14 0.13 0.23 351 2009 7 76.92 0.12 0.23 607 2009 8 76.85 0.13 0.20 705 2009 9 76.87 0.13 0.20 711 2009 10 76.88 0.15 0.21 707 2009 11 76.86 0.14 0.21 701 2009 12 76.80 0.14 0.22 723 2010 1 76.80 0.13 0.24 717 2010 2 76.69 0.16 0.26 637 2010 3 76.57 0.17 0.29 701 2010 4 76.57 0.17 0.27 685 2010 5 76.55 0.18 0.26 704 2010 6 76.52 0.21 0.28 682 2010 7 76.50 0.23 0.32 682 2010 8 76.45 0.22 0.31 709 2010 9 76.37 0.16 0.27 684 2010 10 76.43 0.17 0.26 638 2010 11 76.38 0.20 0.29 676 2010 12 76.33 0.18 0.29 650 2011 1 76.12 0.18 0.28 727 2011 2 76.05 0.21 0.31 643 2011 3 75.95 0.19 0.31 583 2011 4 75.52 0.21 0.32 345 2011 5 75.31 0.21 0.29 347 2011 6 75.25 0.19 0.29 349 2011 7 75.28 0.19 0.27 338 2011 8 nan nan nan 0 2011 9 nan nan nan 0 2011 10 nan nan nan 0 2011 11 nan nan nan 0 2011 12 nan nan nan 0 2012 1 75.16 0.21 0.25 61 2012 2 74.97 0.19 0.25 288 2012 3 74.66 0.28 0.27 92 2012 4 74.55 0.24 0.23 165 2012 5 74.44 0.21 0.22 229 2012 6 nan nan nan 0 2012 7 74.18 0.26 0.25 110 2012 8 74.21 0.27 0.25 283 2012 9 74.24 0.38 0.26 306 2012 10 74.26 0.25 0.30 679 2012 11 73.98 0.23 0.32 663 2012 12 73.89 0.23 0.29 693 2013 1 73.78 0.23 0.29 691 2013 2 73.88 0.25 0.25 626 2013 3 73.73 0.22 0.27 707 2013 4 73.69 0.24 0.28 668 2013 5 73.70 0.25 0.30 714 2013 6 73.83 0.24 0.28 688 2013 7 73.90 0.24 0.27 673 2013 8 73.97 0.23 0.28 712 2013 9 74.00 0.23 0.30 687 2013 10 73.81 0.24 0.28 699 2013 11 73.75 0.25 0.27 644 2013 12 73.78 0.22 0.34 675 2014 1 73.81 0.20 0.34 692 2014 2 73.59 0.28 0.45 383 2014 3 73.60 0.29 0.30 345 2014 4 73.64 0.27 0.31 323 2014 5 73.64 0.27 0.32 349 2014 6 73.71 0.26 0.33 306 2014 7 73.75 0.24 0.39 274 2014 8 73.79 0.26 0.35 351 2014 9 73.86 0.26 0.34 338 2014 10 73.78 0.25 0.34 318 2014 11 73.79 0.31 0.39 311 2014 12 73.86 0.28 0.37 326 2015 1 73.85 0.31 0.44 208 2015 2 73.80 0.29 0.37 305 2015 3 73.73 0.21 0.32 626 2015 4 73.67 0.19 0.30 650 2015 5 73.63 0.19 0.31 675 2015 6 73.64 0.18 0.31 644 2015 7 73.60 0.19 0.30 656 2015 8 73.61 0.20 0.31 638 2015 9 73.59 0.20 0.30 643 2015 10 73.43 0.24 0.37 701 2015 11 73.51 0.22 0.35 674 2015 12 73.55 0.21 0.34 655 2016 1 73.47 0.20 0.33 704 2016 2 73.50 0.23 0.36 673 2016 3 73.27 0.19 0.31 669 2016 4 73.13 0.20 0.29 568 2016 5 73.08 0.20 0.31 691 2016 6 72.99 0.21 0.34 685 2016 7 72.99 0.21 0.33 687 2016 8 73.02 0.21 0.35 710 2016 9 72.91 0.21 0.35 690 2016 10 72.93 0.19 0.33 713 2016 11 72.96 0.21 0.33 692 2016 12 72.83 0.19 0.35 619 2017 1 72.73 0.19 0.32 692 2017 2 72.72 0.22 0.34 631 2017 3 72.66 0.26 0.34 667 2017 4 72.47 0.25 0.33 682 2017 5 72.43 0.20 0.30 731 2017 6 72.43 0.24 0.29 678 2017 7 72.39 0.22 0.28 704 2017 8 72.43 0.22 0.30 662 2017 9 72.37 0.21 0.32 678 2017 10 72.36 0.19 0.30 537 2017 11 72.15 0.18 0.34 671 2017 12 72.25 0.23 0.39 586 2018 1 72.09 0.22 0.33 676 2018 2 72.19 0.22 0.29 134 2018 3 72.18 0.38 0.39 683 2018 4 72.09 0.37 0.39 655 2018 5 72.07 0.32 0.37 694 2018 6 71.81 0.36 0.43 633 2018 7 71.67 0.43 0.38 652 2018 8 71.78 0.37 0.37 664 2018 9 71.54 0.32 0.35 490 2018 10 71.54 0.29 0.34 682 2018 11 71.48 0.23 0.35 602 2018 12 71.36 0.18 0.32 683 2019 1 71.37 0.21 0.33 665 2019 2 71.36 0.22 0.34 602 2019 3 71.28 0.24 0.35 713 2019 4 71.23 0.23 0.37 629 2019 5 71.26 0.23 0.36 688 2019 6 71.31 0.21 0.35 662 2019 7 71.31 0.23 0.37 692 2019 8 71.41 0.21 0.38 686 2019 9 71.06 0.24 0.43 680 2019 10 70.76 0.24 0.38 721 2019 11 70.76 0.22 0.35 674 2019 12 70.56 0.20 0.33 703 2020 1 70.47 0.22 0.36 556 2020 2 70.33 0.24 0.34 640 2020 3 70.22 0.19 0.31 708 2020 4 70.23 0.22 0.32 715 2020 5 70.26 0.22 0.32 727 2020 6 70.35 0.25 0.35 710 2020 7 70.43 0.22 0.35 736 2020 8 70.46 0.21 0.35 712 2020 9 70.49 0.22 0.33 694 2020 10 70.43 0.25 0.32 716 2020 11 70.42 0.21 0.32 695 2020 12 70.41 0.20 0.34 678 2021 1 70.38 0.24 0.36 719 2021 2 70.49 0.21 0.33 641 2021 3 70.39 0.24 0.38 711 2021 4 70.34 0.23 0.34 689 2021 5 70.34 0.24 0.36 652 2021 6 70.49 0.23 0.39 673 2021 7 69.76 0.20 0.36 714 2021 8 69.92 0.20 0.36 707 2021 9 69.86 0.19 0.32 701 2021 10 69.85 0.20 0.35 728 2021 11 69.91 0.22 0.34 693 2021 12 69.94 0.20 0.31 680 2022 1 69.62 0.19 0.34 731 2022 2 69.61 0.27 0.32 648 2022 3 69.48 0.28 0.32 722 2022 4 69.37 0.29 0.31 690 2022 5 69.37 0.28 0.29 712 2022 6 69.39 0.32 0.32 707 2022 7 69.34 0.31 0.31 729 2022 8 69.31 0.33 0.30 701 2022 9 69.34 0.32 0.31 693 2022 10 69.28 0.36 0.32 726 2022 11 69.23 0.33 0.27 708 2022 12 69.36 0.26 0.28 618 2023 1 69.34 0.26 0.24 713 2023 2 69.20 0.32 0.30 294 2023 3 69.12 0.45 0.26 563 2023 4 69.07 0.28 0.28 712 2023 5 69.28 0.32 0.37 697 2023 6 69.22 0.32 0.35 691 2023 7 69.06 0.40 0.36 692 2023 8 68.99 0.55 0.35 251 2023 9 nan nan nan 0 2023 10 69.00 0.60 0.41 62 2023 11 68.85 0.29 0.42 674 2023 12 68.97 0.28 0.39 603 2024 1 68.85 0.33 0.41 409 2024 2 nan nan nan 0