# file: smo_F113_MM.dat # date: 2023-08-29 # # Chlorofluorocarbon-113 (F113) data from hourly in situ samples analyzed on a gas chromatograph located # at Cape Matatulu (SMO), American Samoa (14.3 S, 170.6 W, elevation: 77 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 (2023), # Global Atmospheric Chlorofluorocarbon-113 Dry Air Mole Fractions from the # NOAA GML Halocarbons in situ Network, 1998-2023, Version: 2023-08-29, # 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 # F113catsSMOyr F113catsSMOmon F113catsSMOm F113catsSMOunc F113catsSMOsd F113catsSMOn 1998 1 nan nan nan 0 1998 2 nan nan nan 0 1998 3 nan nan nan 0 1998 4 nan nan nan 0 1998 5 nan nan nan 0 1998 6 nan nan nan 0 1998 7 nan nan nan 0 1998 8 nan nan nan 0 1998 9 nan nan nan 0 1998 10 nan nan nan 0 1998 11 nan nan nan 0 1998 12 84.08 0.27 0.33 550 1999 1 84.21 0.24 0.31 600 1999 2 84.45 0.19 0.31 445 1999 3 84.36 0.21 0.32 661 1999 4 84.57 0.27 0.33 568 1999 5 84.41 0.21 0.46 552 1999 6 84.35 0.22 0.35 676 1999 7 84.20 0.33 0.42 619 1999 8 83.95 0.28 0.35 518 1999 9 83.89 0.30 0.38 625 1999 10 83.87 0.29 0.41 612 1999 11 84.06 0.23 0.38 683 1999 12 84.07 0.26 0.35 706 2000 1 84.20 0.28 0.35 723 2000 2 83.50 0.22 0.37 679 2000 3 83.42 0.30 0.35 694 2000 4 83.18 0.34 0.38 700 2000 5 83.03 0.38 0.48 571 2000 6 83.00 0.40 0.40 409 2000 7 83.27 0.46 0.42 684 2000 8 82.88 0.52 0.40 594 2000 9 82.98 0.50 0.48 704 2000 10 83.02 0.61 0.50 708 2000 11 83.19 0.22 0.32 620 2000 12 83.20 0.17 0.29 701 2001 1 83.25 0.18 0.24 506 2001 2 83.24 0.24 0.37 509 2001 3 83.15 0.27 0.40 703 2001 4 83.22 0.20 0.45 398 2001 5 83.37 0.16 0.37 604 2001 6 83.25 0.17 0.31 484 2001 7 82.92 0.17 0.33 492 2001 8 83.29 0.17 0.23 288 2001 9 83.17 0.18 0.25 377 2001 10 83.25 0.22 0.23 217 2001 11 83.17 0.19 0.21 171 2001 12 83.12 0.19 0.36 389 2002 1 83.14 0.26 0.19 467 2002 2 83.14 0.15 0.21 568 2002 3 82.90 0.19 0.24 709 2002 4 82.76 0.20 0.27 703 2002 5 82.59 0.22 0.27 389 2002 6 82.49 0.39 0.32 586 2002 7 82.44 0.43 0.37 653 2002 8 82.46 0.29 0.29 566 2002 9 82.30 0.28 0.30 647 2002 10 82.43 0.29 0.27 524 2002 11 82.29 0.31 0.43 380 2002 12 81.95 0.26 0.30 558 2003 1 82.17 0.28 0.23 431 2003 2 82.01 0.30 0.26 535 2003 3 82.21 0.39 0.26 446 2003 4 82.11 0.41 0.24 638 2003 5 82.11 0.38 0.18 131 2003 6 nan nan nan 0 2003 7 81.84 0.13 0.21 558 2003 8 81.97 0.16 0.23 692 2003 9 81.78 0.17 0.27 656 2003 10 81.77 0.18 0.28 650 2003 11 81.75 0.15 0.24 340 2003 12 81.56 0.45 0.17 307 2004 1 81.36 0.33 0.28 357 2004 2 81.43 0.39 0.17 612 2004 3 81.49 0.36 0.23 613 2004 4 81.25 0.32 0.24 664 2004 5 81.62 0.31 0.30 706 2004 6 81.17 0.34 0.21 661 2004 7 81.20 0.29 0.17 701 2004 8 81.04 0.36 0.25 677 2004 9 80.92 0.43 0.32 665 2004 10 81.04 0.46 0.35 691 2004 11 80.96 0.55 0.45 666 2004 12 80.77 0.45 0.36 699 2005 1 80.80 0.40 0.32 653 2005 2 80.70 0.30 0.25 537 2005 3 80.66 0.40 0.37 696 2005 4 80.36 0.55 0.50 678 2005 5 80.04 0.41 0.42 697 2005 6 80.49 0.20 0.30 367 2005 7 80.30 0.22 0.21 73 2005 8 79.82 0.19 0.27 144 2005 9 79.84 0.22 0.30 668 2005 10 80.00 0.21 0.40 714 2005 11 79.95 0.22 0.33 569 2005 12 80.00 0.21 0.40 656 2006 1 80.36 0.23 0.47 608 2006 2 80.58 0.22 0.39 616 2006 3 80.39 0.24 0.34 628 2006 4 80.48 0.27 0.34 302 2006 5 80.02 0.23 0.35 566 2006 6 80.08 0.23 0.36 661 2006 7 79.90 0.22 0.37 591 2006 8 79.89 0.26 0.37 620 2006 9 79.46 0.27 0.42 633 2006 10 79.14 0.29 0.34 591 2006 11 79.08 0.27 0.43 530 2006 12 79.17 0.26 0.38 684 2007 1 78.87 0.25 0.37 619 2007 2 79.31 0.26 0.31 575 2007 3 79.07 0.25 0.31 695 2007 4 79.00 0.24 0.35 685 2007 5 78.80 0.26 0.31 559 2007 6 78.54 0.25 0.38 650 2007 7 78.48 0.25 0.29 733 2007 8 78.54 0.27 0.33 695 2007 9 78.46 0.25 0.31 686 2007 10 78.55 0.26 0.36 536 2007 11 78.46 0.26 0.33 649 2007 12 78.58 0.24 0.35 682 2008 1 78.37 0.26 0.30 444 2008 2 78.41 0.25 0.27 634 2008 3 78.35 0.26 0.29 583 2008 4 78.25 0.26 0.29 680 2008 5 78.21 0.25 0.34 679 2008 6 78.04 0.26 0.30 668 2008 7 78.02 0.27 0.30 696 2008 8 77.96 0.25 0.27 690 2008 9 77.89 0.23 0.26 673 2008 10 77.94 0.27 0.31 661 2008 11 78.08 0.30 0.37 636 2008 12 78.08 0.28 0.30 706 2009 1 78.10 0.27 0.31 639 2009 2 77.95 0.29 0.32 623 2009 3 78.02 0.28 0.31 631 2009 4 77.82 0.27 0.30 613 2009 5 77.57 0.25 0.35 656 2009 6 77.30 0.32 0.44 516 2009 7 77.04 0.39 0.46 532 2009 8 77.21 0.41 0.40 617 2009 9 77.07 0.54 0.51 569 2009 10 76.80 0.63 0.52 440 2009 11 76.88 0.44 0.54 666 2009 12 76.87 0.44 0.40 688 2010 1 76.96 0.50 0.44 650 2010 2 76.72 0.38 0.35 538 2010 3 76.77 0.46 0.45 678 2010 4 76.57 0.46 0.46 194 2010 5 nan nan nan 0 2010 6 75.91 0.52 0.37 94 2010 7 76.42 0.72 0.43 487 2010 8 76.22 0.43 0.49 432 2010 9 75.98 0.47 0.52 682 2010 10 76.23 0.50 0.55 609 2010 11 76.27 0.46 0.55 537 2010 12 76.00 0.48 0.49 186 2011 1 76.19 0.50 0.46 544 2011 2 76.03 0.44 0.43 620 2011 3 75.85 0.51 0.49 714 2011 4 75.79 0.45 0.37 663 2011 5 75.95 0.45 0.52 673 2011 6 75.38 0.39 0.52 679 2011 7 75.59 0.50 0.51 692 2011 8 75.17 0.59 0.58 703 2011 9 75.21 0.68 0.64 671 2011 10 75.01 0.68 0.64 653 2011 11 75.00 0.61 0.62 709 2011 12 74.93 0.71 0.65 718 2012 1 74.97 0.72 0.72 525 2012 2 75.10 0.90 0.81 656 2012 3 74.97 1.02 0.75 488 2012 4 75.03 0.60 0.62 362 2012 5 74.96 0.47 0.65 67 2012 6 74.63 0.59 0.56 485 2012 7 74.49 0.51 0.61 691 2012 8 74.56 0.42 0.50 717 2012 9 74.52 0.63 0.56 461 2012 10 74.38 1.02 0.48 349 2012 11 74.53 0.43 0.43 651 2012 12 74.60 0.35 0.33 520 2013 1 74.48 0.39 0.41 723 2013 2 74.35 0.43 0.41 599 2013 3 74.49 0.43 0.37 127 2013 4 nan nan nan 0 2013 5 74.59 0.43 0.33 137 2013 6 74.75 0.41 0.45 523 2013 7 74.73 0.41 0.43 576 2013 8 74.75 0.38 0.48 637 2013 9 74.58 0.48 0.49 690 2013 10 74.41 0.51 0.45 717 2013 11 74.36 0.49 0.40 694 2013 12 74.33 0.50 0.41 714 2014 1 74.30 0.45 0.45 676 2014 2 74.57 0.38 0.35 576 2014 3 74.32 0.42 0.43 304 2014 4 73.69 0.47 0.39 333 2014 5 73.68 0.59 0.42 358 2014 6 73.59 0.56 0.45 389 2014 7 73.81 0.34 0.34 629 2014 8 73.78 0.32 0.30 621 2014 9 73.72 0.31 0.35 549 2014 10 73.84 0.35 0.33 666 2014 11 73.74 0.35 0.38 666 2014 12 73.50 0.35 0.36 625 2015 1 73.71 0.34 0.40 582 2015 2 73.57 0.35 0.33 584 2015 3 73.32 0.35 0.34 705 2015 4 73.07 0.29 0.35 687 2015 5 72.89 0.27 0.30 583 2015 6 72.64 0.22 0.32 45 2015 7 72.69 0.31 0.40 309 2015 8 72.99 0.31 0.43 331 2015 9 73.01 0.30 0.35 299 2015 10 72.94 0.28 0.40 326 2015 11 73.16 0.27 0.30 334 2015 12 73.30 0.26 0.32 506 2016 1 73.23 0.25 0.31 710 2016 2 73.17 0.25 0.32 682 2016 3 73.11 0.27 0.29 497 2016 4 73.01 0.26 0.31 621 2016 5 72.89 0.22 0.31 654 2016 6 72.67 0.22 0.28 673 2016 7 72.57 0.22 0.26 279 2016 8 nan nan nan 0 2016 9 72.57 0.24 0.34 618 2016 10 72.41 0.23 0.27 553 2016 11 72.29 0.25 0.33 638 2016 12 72.25 0.25 0.33 697 2017 1 72.25 0.28 0.34 655 2017 2 72.33 0.26 0.31 622 2017 3 72.13 0.28 0.38 538 2017 4 72.01 0.24 0.35 646 2017 5 71.94 0.27 0.34 720 2017 6 nan nan nan 0 2017 7 72.22 0.22 0.29 104 2017 8 72.13 0.21 0.24 328 2017 9 72.11 0.21 0.24 350 2017 10 72.09 0.20 0.24 356 2017 11 72.06 0.20 0.23 193 2017 12 nan nan nan 0 2018 1 nan nan nan 0 2018 2 72.11 0.33 0.23 43 2018 3 71.91 0.68 0.27 171 2018 4 71.86 0.35 0.32 350 2018 5 71.77 0.37 0.33 368 2018 6 71.81 0.35 0.31 346 2018 7 72.05 0.33 0.29 105 2018 8 72.00 0.31 0.28 36 2018 9 72.06 0.34 0.30 325 2018 10 71.92 0.33 0.29 213 2018 11 71.83 0.32 0.29 331 2018 12 71.86 0.33 0.30 244 2019 1 71.65 0.30 0.26 123 2019 2 71.68 0.38 0.37 142 2019 3 71.80 1.18 0.40 119 2019 4 71.57 0.37 0.48 182 2019 5 71.49 0.29 0.37 384 2019 6 71.46 0.33 0.37 361 2019 7 71.47 0.33 0.37 304 2019 8 71.53 0.30 0.37 232 2019 9 71.63 0.32 0.38 176 2019 10 71.31 0.26 0.29 367 2019 11 71.15 0.29 0.35 303 2019 12 71.04 0.32 0.43 401 2020 1 70.97 0.34 0.50 564 2020 2 70.98 0.29 0.51 398 2020 3 70.98 0.22 0.36 657 2020 4 70.89 0.26 0.41 486 2020 5 70.67 0.27 0.32 698 2020 6 70.65 0.31 0.32 666 2020 7 70.70 0.34 0.34 520 2020 8 70.61 0.35 0.32 370 2020 9 70.58 0.50 0.36 355 2020 10 70.54 0.84 0.57 359 2020 11 70.39 0.51 0.51 243 2020 12 70.24 0.27 0.39 668 2021 1 70.20 0.36 0.38 588 2021 2 70.17 0.65 0.61 555 2021 3 70.09 0.44 0.45 489 2021 4 70.08 0.32 0.40 591 2021 5 69.75 0.38 0.51 345 2021 6 69.56 0.36 0.52 652 2021 7 69.57 0.33 0.44 723 2021 8 69.62 0.29 0.43 729 2021 9 69.22 0.29 0.36 705 2021 10 69.12 0.31 0.37 732 2021 11 69.18 0.31 0.35 640 2021 12 69.14 0.28 0.32 707 2022 1 69.28 0.35 0.32 41 2022 2 nan nan nan 0 2022 3 nan nan nan 0 2022 4 69.67 0.37 0.38 399 2022 5 69.73 0.46 0.43 700 2022 6 69.81 0.39 0.42 588 2022 7 69.36 0.30 0.45 334 2022 8 69.37 0.32 0.46 254 2022 9 69.12 0.22 0.35 440 2022 10 69.11 0.11 0.18 737 2022 11 69.12 0.22 0.19 118 2022 12 nan nan nan 0 2023 1 nan nan nan 0 2023 2 nan nan nan 0 2023 3 nan nan nan 0 2023 4 nan nan nan 0 2023 5 nan nan nan 0 2023 6 nan nan nan 0 2023 7 nan nan nan 0 2023 8 nan nan nan 0