# 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 9 221.378 1.115 265 2010.792 2010 10 222.863 0.763 316 2010.875 2010 11 224.121 0.675 328 2010.958 2010 12 225.040 0.879 127 2011.042 2011 1 225.120 0.818 262 2011.125 2011 2 224.078 0.841 127 2011.208 2011 3 224.067 0.841 328 2011.292 2011 4 224.053 0.708 307 2011.375 2011 5 224.813 0.846 286 2011.458 2011 6 224.566 0.577 297 2011.542 2011 7 224.953 0.600 278 2011.625 2011 8 225.028 0.481 319 2011.708 2011 9 226.583 0.804 285 2011.792 2011 10 227.621 0.704 313 2011.875 2011 11 229.192 0.942 298 2011.958 2011 12 230.666 0.782 193 2012.042 2012 1 229.495 0.779 272 2012.125 2012 2 229.305 0.974 201 2012.208 2012 3 229.632 0.756 305 2012.292 2012 4 229.968 0.830 187 2012.375 2012 5 229.546 0.738 295 2012.458 2012 6 228.986 0.513 138 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 232.114 0.723 272 2012.792 2012 10 234.046 1.095 299 2012.875 2012 11 235.228 0.610 191 2012.958 2012 12 235.270 0.946 147 2013.042 2013 1 235.467 1.354 301 2013.125 2013 2 235.009 1.227 255 2013.208 2013 3 234.901 0.679 281 2013.292 2013 4 234.934 0.510 314 2013.375 2013 5 235.243 0.630 286 2013.458 2013 6 235.590 0.873 250 2013.542 2013 7 234.691 0.693 173 2013.625 2013 8 235.513 0.793 304 2013.708 2013 9 236.835 1.091 174 2013.792 2013 10 238.482 0.658 312 2013.875 2013 11 239.779 0.484 246 2013.958 2013 12 240.220 0.618 241 2014.042 2014 1 239.139 0.556 222 2014.125 2014 2 239.141 0.670 199 2014.208 2014 3 238.704 0.601 329 2014.292 2014 4 238.363 0.525 80 2014.375 2014 5 239.205 0.409 151 2014.458 2014 6 239.834 0.508 314 2014.542 2014 7 240.716 0.606 283 2014.625 2014 8 241.647 0.600 251 2014.708 2014 9 242.385 0.662 310 2014.792 2014 10 243.335 0.593 222 2014.875 2014 11 244.782 0.721 269 2014.958 2014 12 245.144 0.604 303 2015.042 2015 1 244.626 0.506 247 2015.125 2015 2 244.441 0.773 239 2015.208 2015 3 243.286 0.725 191 2015.292 2015 4 242.765 0.519 320 2015.375 2015 5 243.037 0.462 191 2015.458 2015 6 244.202 0.450 156 2015.542 2015 7 244.443 0.425 326 2015.625 2015 8 244.532 0.444 282 2015.708 2015 9 245.163 0.625 135 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 3 246.561 0.528 223 2016.292 2016 4 NaN NaN 0 2016.375 2016 5 NaN NaN 0 2016.458 2016 6 247.129 0.528 67 2016.542 2016 7 247.251 0.940 253 2016.625 2016 8 247.166 0.701 300 2016.708 2016 9 246.665 0.644 247 2016.792 2016 10 248.789 1.343 115 2016.875 2016 11 250.511 0.910 205 2016.958 2016 12 252.159 0.889 114 2017.042 2017 1 252.202 0.537 218 2017.125 2017 2 251.384 0.575 189 2017.208 2017 3 251.291 0.516 213 2017.292 2017 4 250.832 0.430 127 2017.375 2017 5 251.083 0.541 211 2017.458 2017 6 251.459 0.498 202 2017.542 2017 7 251.502 0.488 66 2017.625 2017 8 251.744 0.484 216 2017.708 2017 9 251.806 0.651 199 2017.792 2017 10 252.903 0.797 234 2017.875 2017 11 254.386 0.538 179 2017.958 2017 12 254.628 0.522 190 2018.042 2018 1 253.632 0.684 134 2018.125 2018 2 253.469 0.514 191 2018.208 2018 3 254.114 0.428 188 2018.292 2018 4 254.363 0.432 192 2018.375 2018 5 254.393 0.349 252 2018.458 2018 6 253.999 0.617 180 2018.542 2018 7 253.733 0.615 259 2018.625 2018 8 253.543 0.834 183 2018.708 2018 9 NaN NaN 0 2018.792 2018 10 NaN NaN 0 2018.875 2018 11 NaN NaN 0 2018.958 2018 12 NaN NaN 0 2019.042 2019 1 NaN NaN 0 2019.125 2019 2 NaN NaN 0 2019.208 2019 3 NaN NaN 0 2019.292 2019 4 NaN NaN 0 2019.375 2019 5 NaN NaN 0 2019.458 2019 6 NaN NaN 0 2019.542 2019 7 NaN NaN 0 2019.625 2019 8 NaN NaN 0 2019.708 2019 9 NaN NaN 0 2019.792 2019 10 NaN NaN 0 2019.875 2019 11 NaN NaN 0 2019.958 2019 12 259.645 0.450 144 2020.042 2020 1 259.571 0.544 192 2020.125 2020 2 258.642 0.509 189 2020.208 2020 3 258.532 0.612 123 2020.292 2020 4 257.799 0.783 77 2020.375 2020 5 NaN NaN 0 2020.458 2020 6 NaN NaN 0 2020.542 2020 7 NaN NaN 0 2020.625 2020 8 NaN NaN 0 2020.708 2020 9 NaN NaN 0 2020.792 2020 10 258.437 0.849 174 2020.875 2020 11 259.124 0.909 298 2020.958 2020 12 259.409 0.803 249 2021.042 2021 1 258.570 0.687 240 2021.125 2021 2 258.521 1.007 207 2021.208 2021 3 258.805 0.882 300 2021.292 2021 4 258.416 0.772 263 2021.375 2021 5 257.920 0.791 298 2021.458 2021 6 258.406 0.754 265 2021.542 2021 7 258.611 0.791 274 2021.625 2021 8 257.432 0.617 301 2021.708 2021 9 257.535 0.750 290 2021.792 2021 10 259.529 0.823 270 2021.875 2021 11 260.605 0.809 260 2021.958 2021 12 261.113 0.669 269 2022.042 2022 1 260.517 0.756 284 2022.125 2022 2 259.664 0.648 37 2022.208 2022 3 259.631 0.620 268 2022.292 2022 4 259.500 0.747 230 2022.375 2022 5 259.360 0.703 263 2022.458 2022 6 258.955 0.512 60 2022.542 2022 7 257.952 0.769 128 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 257.535 0.761 62 2022.792 2022 10 257.854 0.657 122 2022.875 2022 11 258.536 0.667 47 2022.958 2022 12 258.813 0.723 231 2023.042 2023 1 257.883 0.922 138 2023.125 2023 2 257.736 0.607 283 2023.208 2023 3 257.785 0.729 204 2023.292 2023 4 258.062 1.083 276 2023.375 2023 5 257.650 0.796 125 2023.458 2023 6 256.301 0.904 294 2023.542 2023 7 255.993 0.767 281 2023.625 2023 8 255.461 0.695 303 2023.708 2023 9 254.677 0.673 249 2023.792 2023 10 253.947 0.718 266 2023.875 2023 11 255.632 0.785 304 2023.958 2023 12 256.941 0.676 301