# File: insitu_global_SF6.txt # Date: 2023-08-29 # # Data use policy see https://gml.noaa.gov/hats/hats_datause.html # # Sulfur hexaflouride (SF6) hemispheric and global monthly means from the NOAA/GML # Chromatograph for Atmospheric Trace Species (CATS) data from baseline observatories (Barrow, Alaska; # Summit, Greenland; Niwot Ridge, Colorado; Mauna Loa, Hawaii; American Samoa; South Pole). # This work was funded in part by the Atmospheric Chemistry Project of NOAA's Climate and # Global Change Program. # # Citation: # G.S. Dutton and B.D. Hall (2023), # Global Atmospheric Sulfur hexaflouride Hemispheric and Global Mean 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: WMO X2014 # 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. Global monthly 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 insturmental precision and atmospheric variablity. # insitu_SF6_YYYY insitu_SF6_MM insitu_NH_SF6 insitu_NH_SF6_sd insitu_SH_SF6 insitu_SH_SF6_sd insitu_Global_SF6 insitu_Global_SF6_sd 1998 1 nan nan nan nan nan nan 1998 2 nan nan nan nan nan nan 1998 3 nan nan nan nan nan nan 1998 4 nan nan nan nan nan nan 1998 5 nan nan nan nan nan nan 1998 6 nan nan nan nan nan nan 1998 7 nan nan nan nan nan nan 1998 8 nan nan nan nan nan nan 1998 9 nan nan nan nan nan nan 1998 10 nan nan nan nan nan nan 1998 11 nan nan nan nan nan nan 1998 12 nan nan 4.110 0.113 nan nan 1999 1 nan nan 4.146 0.097 nan nan 1999 2 nan nan 4.182 0.079 nan nan 1999 3 nan nan 4.218 0.069 nan nan 1999 4 nan nan 4.242 0.071 nan nan 1999 5 nan nan 4.242 0.095 nan nan 1999 6 nan nan 4.247 0.182 nan nan 1999 7 4.446 0.026 4.284 0.177 4.365 0.179 1999 8 4.453 0.026 4.326 0.157 4.389 0.159 1999 9 4.512 0.022 4.309 0.152 4.411 0.153 1999 10 4.515 0.017 4.323 0.225 4.419 0.226 1999 11 4.546 0.021 4.372 0.179 4.459 0.180 1999 12 4.577 0.014 4.405 0.199 4.491 0.200 2000 1 4.585 0.015 4.420 0.215 4.503 0.215 2000 2 4.583 0.017 4.448 0.147 4.516 0.148 2000 3 4.608 0.022 4.449 0.175 4.528 0.176 2000 4 4.623 0.018 4.426 0.216 4.525 0.216 2000 5 4.643 0.026 4.431 0.223 4.537 0.224 2000 6 4.664 0.025 4.457 0.020 4.561 0.032 2000 7 4.683 0.018 4.485 0.014 4.584 0.023 2000 8 4.695 0.027 4.500 0.014 4.598 0.031 2000 9 4.736 0.020 4.526 0.016 4.631 0.025 2000 10 4.728 0.023 4.543 0.016 4.636 0.028 2000 11 4.711 0.054 4.556 0.014 4.633 0.056 2000 12 4.741 0.052 4.576 0.020 4.659 0.056 2001 1 4.777 0.051 4.600 0.016 4.689 0.054 2001 2 4.805 0.059 4.619 0.020 4.712 0.062 2001 3 4.830 0.044 4.632 0.021 4.731 0.049 2001 4 4.849 0.041 4.635 0.020 4.742 0.046 2001 5 4.849 0.053 4.640 0.018 4.745 0.056 2001 6 4.857 0.034 4.659 0.021 4.758 0.040 2001 7 4.874 0.044 4.676 0.021 4.775 0.049 2001 8 4.904 0.049 4.688 0.021 4.796 0.053 2001 9 4.928 0.060 4.702 0.021 4.815 0.063 2001 10 4.964 0.049 4.719 0.017 4.841 0.052 2001 11 4.978 0.053 4.743 0.025 4.860 0.059 2001 12 4.988 0.077 4.776 0.024 4.882 0.080 2002 1 4.985 0.087 4.803 0.016 4.894 0.089 2002 2 5.008 0.051 4.823 0.016 4.915 0.054 2002 3 5.052 0.081 4.834 0.016 4.943 0.082 2002 4 5.064 0.073 4.840 0.016 4.952 0.075 2002 5 5.060 0.065 4.846 0.017 4.953 0.067 2002 6 5.077 0.017 4.860 0.016 4.969 0.023 2002 7 5.099 0.015 4.885 0.016 4.992 0.021 2002 8 5.112 0.016 4.909 0.020 5.011 0.026 2002 9 5.149 0.027 4.930 0.017 5.040 0.032 2002 10 5.170 0.020 4.947 0.016 5.058 0.026 2002 11 5.184 0.025 4.959 0.020 5.071 0.032 2002 12 5.203 0.023 4.977 0.020 5.090 0.030 2003 1 5.219 0.026 4.989 0.022 5.104 0.034 2003 2 5.221 0.025 5.007 0.020 5.114 0.032 2003 3 5.241 0.022 5.030 0.018 5.135 0.029 2003 4 5.259 0.033 5.045 0.021 5.152 0.039 2003 5 5.281 0.018 5.035 0.017 5.158 0.025 2003 6 5.291 0.022 5.050 0.015 5.170 0.027 2003 7 5.312 0.026 5.083 0.017 5.197 0.031 2003 8 5.346 0.027 5.113 0.018 5.230 0.033 2003 9 5.390 0.034 5.132 0.019 5.261 0.039 2003 10 5.410 0.030 5.146 0.022 5.278 0.037 2003 11 5.421 0.027 5.179 0.020 5.300 0.033 2003 12 5.422 0.028 5.218 0.018 5.320 0.033 2004 1 5.428 0.032 5.239 0.025 5.334 0.040 2004 2 5.444 0.031 5.247 0.023 5.345 0.039 2004 3 5.483 0.029 5.268 0.020 5.376 0.035 2004 4 5.511 0.032 5.279 0.024 5.395 0.040 2004 5 5.535 0.029 5.283 0.013 5.409 0.032 2004 6 5.549 0.024 5.294 0.013 5.421 0.028 2004 7 5.565 0.108 5.321 0.014 5.443 0.109 2004 8 5.578 0.034 5.346 0.015 5.462 0.037 2004 9 5.593 0.033 5.362 0.016 5.477 0.037 2004 10 5.617 0.036 5.381 0.017 5.499 0.040 2004 11 5.636 0.029 5.400 0.018 5.518 0.034 2004 12 5.654 0.023 5.429 0.017 5.541 0.029 2005 1 5.669 0.023 5.442 0.018 5.555 0.029 2005 2 5.702 0.025 5.464 0.018 5.583 0.031 2005 3 5.729 0.028 5.485 0.019 5.607 0.034 2005 4 5.745 0.027 5.497 0.021 5.621 0.034 2005 5 5.763 0.029 5.496 0.016 5.629 0.033 2005 6 5.778 0.028 5.506 0.019 5.642 0.034 2005 7 5.788 0.031 5.525 0.018 5.657 0.036 2005 8 5.797 0.033 5.552 0.019 5.674 0.038 2005 9 5.846 0.025 5.591 0.017 5.719 0.030 2005 10 5.887 0.059 5.620 0.018 5.753 0.061 2005 11 5.916 0.034 5.638 0.019 5.777 0.039 2005 12 5.944 0.035 5.655 0.021 5.800 0.041 2006 1 5.955 0.050 5.691 0.022 5.823 0.054 2006 2 5.930 0.033 5.716 0.018 5.823 0.037 2006 3 5.936 0.071 5.715 0.023 5.826 0.074 2006 4 5.992 0.033 5.719 0.021 5.855 0.039 2006 5 6.010 0.044 5.743 0.023 5.877 0.049 2006 6 6.024 0.038 5.758 0.016 5.891 0.041 2006 7 6.034 0.052 5.770 0.018 5.902 0.055 2006 8 6.061 0.024 5.796 0.021 5.928 0.032 2006 9 6.083 0.024 5.825 0.020 5.954 0.031 2006 10 6.113 0.025 5.851 0.021 5.982 0.033 2006 11 6.134 0.030 5.875 0.019 6.005 0.035 2006 12 6.164 0.030 5.886 0.021 6.025 0.036 2007 1 6.194 0.027 5.917 0.024 6.055 0.036 2007 2 6.195 0.026 5.961 0.024 6.078 0.036 2007 3 6.210 0.021 5.991 0.028 6.101 0.035 2007 4 6.238 0.018 5.988 0.027 6.113 0.033 2007 5 6.272 0.026 6.001 0.027 6.137 0.038 2007 6 6.275 0.024 6.025 0.019 6.150 0.031 2007 7 6.297 0.026 6.050 0.020 6.173 0.033 2007 8 6.321 0.028 6.070 0.018 6.196 0.034 2007 9 6.361 0.024 6.090 0.017 6.226 0.029 2007 10 6.386 0.025 6.127 0.017 6.256 0.030 2007 11 6.402 0.027 6.156 0.022 6.279 0.035 2007 12 6.427 0.025 6.186 0.023 6.306 0.034 2008 1 6.447 0.027 6.209 0.023 6.328 0.035 2008 2 6.452 0.032 6.232 0.023 6.342 0.040 2008 3 6.472 0.019 6.239 0.023 6.356 0.030 2008 4 6.518 0.020 6.265 0.023 6.392 0.030 2008 5 6.555 0.023 6.291 0.025 6.423 0.034 2008 6 6.569 0.022 6.308 0.025 6.438 0.033 2008 7 6.583 0.033 6.319 0.025 6.451 0.042 2008 8 6.600 0.088 6.346 0.027 6.473 0.092 2008 9 6.635 0.050 6.377 0.026 6.506 0.056 2008 10 6.672 0.025 6.409 0.021 6.540 0.033 2008 11 6.704 0.071 6.448 0.024 6.576 0.075 2008 12 6.719 0.034 6.496 0.029 6.607 0.045 2009 1 6.733 0.020 6.520 0.027 6.626 0.034 2009 2 6.760 0.025 6.537 0.022 6.649 0.033 2009 3 6.792 0.027 6.551 0.025 6.671 0.037 2009 4 6.814 0.037 6.569 0.024 6.692 0.044 2009 5 6.831 0.035 6.573 0.019 6.702 0.040 2009 6 6.841 0.021 6.592 0.023 6.717 0.031 2009 7 6.842 0.021 6.616 0.017 6.729 0.027 2009 8 6.862 0.024 6.646 0.017 6.754 0.030 2009 9 6.906 0.023 6.660 0.018 6.783 0.029 2009 10 6.943 0.019 6.677 0.018 6.810 0.026 2009 11 6.954 0.019 6.694 0.022 6.824 0.029 2009 12 6.984 0.024 6.728 0.028 6.856 0.037 2010 1 7.032 0.029 6.751 0.028 6.891 0.040 2010 2 7.076 0.031 6.768 0.031 6.922 0.044 2010 3 7.087 0.025 6.784 0.023 6.935 0.034 2010 4 7.110 0.022 6.818 0.023 6.964 0.032 2010 5 7.140 0.025 6.849 0.021 6.995 0.033 2010 6 7.174 0.022 6.873 0.021 7.024 0.030 2010 7 7.185 0.023 6.895 0.019 7.040 0.030 2010 8 7.203 0.024 6.919 0.022 7.061 0.032 2010 9 7.241 0.024 6.944 0.024 7.093 0.034 2010 10 7.291 0.022 6.968 0.021 7.129 0.031 2010 11 7.302 0.021 6.996 0.022 7.149 0.031 2010 12 7.309 0.022 7.032 0.021 7.171 0.030 2011 1 7.328 0.021 7.054 0.021 7.191 0.030 2011 2 7.354 0.016 7.068 0.032 7.211 0.036 2011 3 7.370 0.024 7.085 0.041 7.228 0.047 2011 4 7.410 0.027 7.110 0.035 7.260 0.044 2011 5 7.453 0.022 7.134 0.037 7.294 0.043 2011 6 7.464 0.021 7.167 0.032 7.315 0.039 2011 7 7.443 0.019 7.202 0.034 7.323 0.039 2011 8 7.461 0.022 7.229 0.038 7.345 0.044 2011 9 7.519 0.022 7.247 0.037 7.383 0.043 2011 10 7.566 0.023 7.263 0.038 7.415 0.044 2011 11 7.587 0.021 7.281 0.043 7.434 0.048 2011 12 7.603 0.019 7.309 0.047 7.456 0.051 2012 1 7.638 0.026 7.348 0.049 7.493 0.055 2012 2 7.662 0.036 7.380 0.043 7.521 0.056 2012 3 7.683 0.022 7.398 0.050 7.540 0.055 2012 4 7.707 0.020 7.395 0.054 7.551 0.058 2012 5 7.737 0.023 7.415 0.052 7.576 0.056 2012 6 7.730 0.022 7.439 0.053 7.585 0.057 2012 7 7.728 0.022 7.472 0.048 7.600 0.052 2012 8 7.762 0.025 7.494 0.053 7.628 0.059 2012 9 7.800 0.021 7.524 0.053 7.662 0.056 2012 10 7.837 0.025 7.544 0.050 7.691 0.056 2012 11 7.876 0.023 7.573 0.046 7.724 0.052 2012 12 7.896 0.026 7.610 0.052 7.753 0.058 2013 1 7.920 0.023 7.650 0.058 7.785 0.062 2013 2 7.949 0.027 7.679 0.058 7.814 0.064 2013 3 7.973 0.025 7.695 0.049 7.834 0.055 2013 4 8.016 0.033 7.703 0.047 7.860 0.058 2013 5 8.073 0.023 7.722 0.056 7.897 0.061 2013 6 8.092 0.025 7.741 0.057 7.916 0.062 2013 7 8.096 0.028 7.770 0.055 7.933 0.062 2013 8 8.129 0.028 7.805 0.047 7.967 0.055 2013 9 8.168 0.027 7.835 0.046 8.002 0.054 2013 10 8.191 0.024 7.855 0.046 8.023 0.052 2013 11 8.213 0.023 7.883 0.053 8.048 0.058 2013 12 8.243 0.021 7.924 0.054 8.083 0.058 2014 1 8.258 0.022 7.961 0.055 8.110 0.059 2014 2 8.273 0.016 7.996 0.058 8.134 0.060 2014 3 8.322 0.021 8.010 0.059 8.166 0.063 2014 4 8.364 0.022 8.008 0.058 8.186 0.062 2014 5 8.390 0.018 8.026 0.060 8.208 0.063 2014 6 8.411 0.110 8.078 0.063 8.245 0.127 2014 7 8.430 0.026 8.122 0.060 8.276 0.065 2014 8 8.456 0.021 8.147 0.065 8.302 0.068 2014 9 8.500 0.027 8.181 0.056 8.340 0.062 2014 10 8.528 0.036 8.224 0.048 8.376 0.060 2014 11 8.551 0.024 8.248 0.050 8.399 0.055 2014 12 8.561 0.025 8.280 0.048 8.421 0.054 2015 1 8.574 0.019 8.327 0.048 8.450 0.052 2015 2 8.590 0.023 8.375 0.044 8.482 0.050 2015 3 8.624 0.022 8.389 0.043 8.507 0.049 2015 4 8.668 0.034 8.399 0.048 8.533 0.059 2015 5 8.713 0.024 8.392 0.044 8.553 0.050 2015 6 8.721 0.018 8.393 0.042 8.557 0.046 2015 7 8.714 0.016 8.416 0.039 8.565 0.042 2015 8 8.750 0.035 8.454 0.038 8.602 0.051 2015 9 8.808 0.035 8.483 0.040 8.645 0.053 2015 10 8.858 0.029 8.508 0.041 8.683 0.050 2015 11 8.890 0.029 8.545 0.042 8.718 0.051 2015 12 8.914 0.042 8.578 0.048 8.746 0.064 2016 1 8.925 0.035 8.594 0.050 8.759 0.061 2016 2 8.939 0.028 8.627 0.050 8.783 0.058 2016 3 8.978 0.037 8.675 0.054 8.826 0.066 2016 4 9.021 0.037 8.700 0.070 8.861 0.079 2016 5 9.063 0.046 8.693 0.100 8.878 0.110 2016 6 9.065 0.036 8.695 0.112 8.880 0.117 2016 7 9.065 0.024 8.733 0.114 8.899 0.117 2016 8 9.077 0.027 8.785 0.021 8.931 0.034 2016 9 9.112 0.035 8.828 0.032 8.970 0.048 2016 10 9.169 0.035 8.856 0.036 9.012 0.050 2016 11 9.210 0.041 8.887 0.039 9.049 0.057 2016 12 9.232 0.032 8.912 0.036 9.072 0.048 2017 1 9.238 0.031 8.964 0.041 9.101 0.051 2017 2 9.247 0.033 8.999 0.044 9.123 0.055 2017 3 9.271 0.036 9.010 0.053 9.141 0.064 2017 4 9.334 0.037 9.023 0.050 9.179 0.062 2017 5 9.384 0.055 9.036 0.039 9.210 0.067 2017 6 9.394 0.050 9.050 0.033 9.222 0.060 2017 7 9.402 0.047 9.082 0.036 9.242 0.060 2017 8 9.442 0.034 9.132 0.040 9.287 0.052 2017 9 9.499 0.046 9.162 0.040 9.331 0.061 2017 10 9.542 0.038 9.206 0.021 9.374 0.043 2017 11 9.573 0.042 9.239 0.053 9.406 0.068 2017 12 9.599 0.044 9.274 0.020 9.437 0.049 2018 1 9.612 0.035 9.306 0.021 9.459 0.041 2018 2 9.634 0.029 9.346 0.029 9.490 0.041 2018 3 9.671 0.034 9.355 0.043 9.513 0.055 2018 4 9.677 0.044 9.386 0.092 9.532 0.102 2018 5 9.705 0.048 9.403 0.145 9.554 0.153 2018 6 9.747 0.037 9.416 0.126 9.581 0.132 2018 7 9.762 0.040 9.430 0.104 9.596 0.111 2018 8 9.743 0.029 9.473 0.048 9.608 0.056 2018 9 9.792 0.036 9.503 0.064 9.647 0.073 2018 10 9.864 0.037 9.539 0.036 9.702 0.051 2018 11 9.908 0.037 9.579 0.035 9.743 0.051 2018 12 9.922 0.036 9.629 0.037 9.776 0.052 2019 1 9.939 0.040 9.681 0.037 9.810 0.054 2019 2 9.963 0.040 9.707 0.041 9.835 0.057 2019 3 9.993 0.017 9.713 0.032 9.853 0.037 2019 4 10.033 0.024 9.730 0.047 9.882 0.053 2019 5 10.072 0.028 9.749 0.054 9.911 0.061 2019 6 10.096 0.024 9.757 0.059 9.926 0.063 2019 7 10.103 0.025 9.782 0.074 9.942 0.078 2019 8 10.124 0.026 9.823 0.053 9.973 0.058 2019 9 10.163 0.030 9.854 0.050 10.008 0.058 2019 10 10.209 0.029 9.883 0.053 10.046 0.060 2019 11 10.241 0.031 9.922 0.066 10.081 0.073 2019 12 10.271 0.035 9.961 0.048 10.116 0.059 2020 1 10.284 0.031 9.998 0.062 10.141 0.070 2020 2 10.300 0.028 10.034 0.052 10.167 0.059 2020 3 10.321 0.027 10.052 0.057 10.187 0.063 2020 4 10.367 0.027 10.068 0.052 10.218 0.059 2020 5 10.413 0.042 10.074 0.055 10.244 0.070 2020 6 10.417 0.026 10.091 0.055 10.254 0.061 2020 7 10.395 0.033 10.136 0.046 10.265 0.056 2020 8 10.429 0.026 10.200 0.052 10.314 0.058 2020 9 10.488 0.030 10.222 0.063 10.355 0.070 2020 10 10.527 0.032 10.241 0.052 10.384 0.061 2020 11 10.543 0.036 10.266 0.061 10.404 0.071 2020 12 10.569 0.040 10.304 0.057 10.437 0.070 2021 1 10.600 0.040 10.336 0.060 10.468 0.072 2021 2 10.639 0.038 10.376 0.060 10.507 0.071 2021 3 10.679 0.036 10.386 0.058 10.533 0.068 2021 4 10.727 0.040 10.396 0.063 10.562 0.075 2021 5 10.776 0.035 10.416 0.052 10.596 0.063 2021 6 10.792 0.029 10.447 0.040 10.619 0.049 2021 7 10.782 0.028 10.472 0.055 10.627 0.061 2021 8 10.813 0.030 10.515 0.062 10.664 0.069 2021 9 10.879 0.040 10.545 0.063 10.712 0.075 2021 10 10.921 0.041 10.572 0.061 10.746 0.073 2021 11 10.944 0.028 10.611 0.063 10.777 0.069 2021 12 10.990 0.026 10.663 0.038 10.826 0.046 2022 1 11.037 0.026 10.705 0.032 10.871 0.041 2022 2 11.060 0.024 10.738 0.020 10.899 0.031 2022 3 11.095 0.021 10.759 0.021 10.927 0.030 2022 4 11.137 0.021 10.771 0.044 10.954 0.049 2022 5 11.189 0.023 10.797 0.044 10.993 0.050 2022 6 11.204 0.025 10.821 0.040 11.013 0.047 2022 7 11.198 0.027 10.849 0.037 11.024 0.046 2022 8 11.196 0.027 10.889 0.024 11.042 0.036 2022 9 11.248 0.027 10.932 0.070 11.090 0.075 2022 10 11.288 0.026 10.971 0.100 11.129 0.103 2022 11 11.340 0.025 11.005 0.116 11.173 0.118 2022 12 11.327 0.013 nan nan nan nan 2023 1 11.341 0.015 nan nan nan nan 2023 2 11.351 0.016 nan nan nan nan 2023 3 11.399 0.020 nan nan nan nan 2023 4 nan nan nan nan nan nan 2023 5 nan nan nan nan nan nan 2023 6 nan nan nan nan nan nan 2023 7 nan nan nan nan nan nan 2023 8 nan nan nan nan nan nan 2023 9 nan nan nan nan nan nan 2023 10 nan nan nan nan nan nan 2023 11 nan nan nan nan nan nan 2023 12 nan nan nan nan nan nan