# monthly mean of baseline data from 2010/08 to 2023/12; created: 29-Jan-2025 # comment: AGAGE Medusa measurements. Output from GCWerks. See Miller et al. (2008). DOI:10.1021/ac702084k, and Arnold et al. (2012) DOI:10.1021/ac300373e # # data_owner_email: crl@nilu.no, oh@nilu.no # data_owner: Chris R Lunder, Ove Hermansen # station_long_name: Zeppelin, Ny-Ålesund # inlet_base_elevation_masl: 475.000000 # inlet_latitude: 78.907200 # inlet_longitude: 11.886700 # inlet_date: 2010-12-16 12:30:00 # inlet_comment: new tower # inlet_base_elevation_masl_1: 475.000000 # inlet_latitude_1: 78.907200 # inlet_longitude_1: 11.886700 # inlet_date_1: 2001-01-01 00:00:01 # # 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: chris.lunder@nilu.no; raywang@eas.gatech.edu # # 1st column, time in farction of year # 2nd column, year (YYYY) # 3rd column, month (1 to 12) # 4th column, mean (monthly mean value) # 5th column, std. dev. (standard deviation of monthly mean) # 6th column, numb (number of measurements for monthly mean) # time year month mean std. dev. numb 2010.625 2010 8 NaN NaN 0 2010.708 2010 9 0.555 0.013 267 2010.792 2010 10 0.558 0.016 329 2010.875 2010 11 0.561 0.017 330 2010.958 2010 12 0.564 0.016 157 2011.042 2011 1 0.565 0.020 271 2011.125 2011 2 0.564 0.017 129 2011.208 2011 3 0.570 0.017 323 2011.292 2011 4 0.572 0.016 310 2011.375 2011 5 0.571 0.018 287 2011.458 2011 6 0.572 0.018 254 2011.542 2011 7 0.573 0.017 284 2011.625 2011 8 0.575 0.012 313 2011.708 2011 9 0.576 0.011 315 2011.792 2011 10 0.581 0.014 297 2011.875 2011 11 0.579 0.018 289 2011.958 2011 12 0.587 0.022 250 2012.042 2012 1 0.586 0.011 314 2012.125 2012 2 0.585 0.012 194 2012.208 2012 3 0.587 0.014 306 2012.292 2012 4 0.585 0.017 174 2012.375 2012 5 0.580 0.013 285 2012.458 2012 6 0.580 0.011 149 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 0.588 0.018 277 2012.792 2012 10 0.590 0.018 314 2012.875 2012 11 0.592 0.017 192 2012.958 2012 12 0.587 0.019 290 2013.042 2013 1 0.587 0.018 327 2013.125 2013 2 0.587 0.021 273 2013.208 2013 3 0.589 0.017 288 2013.292 2013 4 0.593 0.014 316 2013.375 2013 5 0.594 0.015 292 2013.458 2013 6 0.596 0.010 261 2013.542 2013 7 0.594 0.009 247 2013.625 2013 8 0.598 0.007 309 2013.708 2013 9 0.599 0.007 181 2013.792 2013 10 0.600 0.008 321 2013.875 2013 11 0.602 0.008 271 2013.958 2013 12 0.604 0.008 263 2014.042 2014 1 0.602 0.008 229 2014.125 2014 2 0.606 0.009 293 2014.208 2014 3 0.604 0.009 335 2014.292 2014 4 0.603 0.012 102 2014.375 2014 5 0.607 0.010 226 2014.458 2014 6 0.610 0.009 315 2014.542 2014 7 0.613 0.009 293 2014.625 2014 8 0.615 0.010 256 2014.708 2014 9 0.615 0.010 310 2014.792 2014 10 0.614 0.012 212 2014.875 2014 11 0.614 0.006 263 2014.958 2014 12 0.616 0.007 312 2015.042 2015 1 0.619 0.008 237 2015.125 2015 2 0.620 0.009 244 2015.208 2015 3 0.621 0.008 203 2015.292 2015 4 0.621 0.008 324 2015.375 2015 5 0.621 0.009 205 2015.458 2015 6 0.626 0.009 168 2015.542 2015 7 0.630 0.010 329 2015.625 2015 8 0.631 0.009 304 2015.708 2015 9 0.632 0.011 152 2015.792 2015 10 NaN NaN 0 2015.875 2015 11 NaN NaN 0 2015.958 2015 12 NaN NaN 0 2016.042 2016 1 NaN NaN 0 2016.125 2016 2 NaN NaN 0 2016.208 2016 3 0.636 0.009 234 2016.292 2016 4 0.639 0.008 120 2016.375 2016 5 0.639 0.009 232 2016.458 2016 6 0.639 0.009 167 2016.542 2016 7 0.642 0.010 250 2016.625 2016 8 0.644 0.011 303 2016.708 2016 9 0.644 0.014 143 2016.792 2016 10 0.645 0.013 180 2016.875 2016 11 0.649 0.019 184 2016.958 2016 12 0.649 0.019 133 2017.042 2017 1 0.650 0.012 205 2017.125 2017 2 0.653 0.008 194 2017.208 2017 3 0.655 0.011 209 2017.292 2017 4 0.653 0.012 161 2017.375 2017 5 0.658 0.010 213 2017.458 2017 6 0.659 0.010 207 2017.542 2017 7 0.660 0.010 70 2017.625 2017 8 0.664 0.009 219 2017.708 2017 9 0.664 0.009 210 2017.792 2017 10 0.664 0.009 246 2017.875 2017 11 0.664 0.009 186 2017.958 2017 12 0.666 0.011 209 2018.042 2018 1 0.665 0.011 137 2018.125 2018 2 0.666 0.008 195 2018.208 2018 3 0.673 0.009 192 2018.292 2018 4 0.678 0.010 194 2018.375 2018 5 0.679 0.011 265 2018.458 2018 6 0.677 0.012 219 2018.542 2018 7 0.675 0.009 263 2018.625 2018 8 0.675 0.010 184 2018.708 2018 9 0.674 0.011 187 2018.792 2018 10 0.676 0.011 219 2018.875 2018 11 0.679 0.010 154 2018.958 2018 12 0.678 0.010 223 2019.042 2019 1 0.682 0.011 218 2019.125 2019 2 0.686 0.014 207 2019.208 2019 3 0.683 0.013 222 2019.292 2019 4 0.687 0.011 192 2019.375 2019 5 0.687 0.012 220 2019.458 2019 6 0.693 0.013 137 2019.542 2019 7 0.695 0.014 180 2019.625 2019 8 0.695 0.014 191 2019.708 2019 9 0.700 0.010 193 2019.792 2019 10 0.701 0.009 182 2019.875 2019 11 0.696 0.019 179 2019.958 2019 12 0.697 0.012 215 2020.042 2020 1 0.698 0.012 196 2020.125 2020 2 0.698 0.015 195 2020.208 2020 3 0.716 0.015 122 2020.292 2020 4 0.718 0.014 188 2020.375 2020 5 0.720 0.020 223 2020.458 2020 6 0.720 0.023 205 2020.542 2020 7 0.733 0.024 73 2020.625 2020 8 0.727 0.019 161 2020.708 2020 9 0.727 0.016 184 2020.792 2020 10 0.725 0.019 297 2020.875 2020 11 0.725 0.015 296 2020.958 2020 12 0.729 0.015 251 2021.042 2021 1 0.729 0.013 242 2021.125 2021 2 0.733 0.013 221 2021.208 2021 3 0.732 0.014 302 2021.292 2021 4 0.731 0.013 268 2021.375 2021 5 0.733 0.012 302 2021.458 2021 6 0.736 0.013 268 2021.542 2021 7 0.739 0.012 282 2021.625 2021 8 0.740 0.011 303 2021.708 2021 9 0.743 0.012 303 2021.792 2021 10 0.747 0.011 268 2021.875 2021 11 0.743 0.013 268 2021.958 2021 12 0.750 0.013 282 2022.042 2022 1 0.745 0.009 309 2022.125 2022 2 0.742 0.010 56 2022.208 2022 3 0.750 0.010 285 2022.292 2022 4 0.753 0.010 238 2022.375 2022 5 0.754 0.010 261 2022.458 2022 6 0.758 0.011 59 2022.542 2022 7 0.763 0.011 129 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 0.765 0.015 65 2022.792 2022 10 0.766 0.014 116 2022.875 2022 11 0.767 0.013 45 2022.958 2022 12 0.761 0.014 232 2023.042 2023 1 0.771 0.014 131 2023.125 2023 2 0.771 0.016 282 2023.208 2023 3 0.768 0.015 315 2023.292 2023 4 0.769 0.014 283 2023.375 2023 5 0.771 0.012 127 2023.458 2023 6 0.774 0.012 294 2023.542 2023 7 0.776 0.012 286 2023.625 2023 8 0.783 0.011 309 2023.708 2023 9 0.785 0.012 259 2023.792 2023 10 0.773 0.011 270 2023.875 2023 11 0.783 0.013 304 2023.958 2023 12 0.788 0.012 305