# 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 8.435 0.035 275 2010.792 2010 10 8.430 0.042 328 2010.875 2010 11 8.432 0.047 330 2010.958 2010 12 8.425 0.050 161 2011.042 2011 1 8.433 0.054 282 2011.125 2011 2 8.429 0.053 146 2011.208 2011 3 8.418 0.052 331 2011.292 2011 4 8.408 0.057 318 2011.375 2011 5 8.422 0.060 292 2011.458 2011 6 8.408 0.050 275 2011.542 2011 7 8.422 0.047 300 2011.625 2011 8 8.416 0.039 316 2011.708 2011 9 8.413 0.033 313 2011.792 2011 10 8.407 0.039 302 2011.875 2011 11 8.392 0.042 299 2011.958 2011 12 8.416 0.036 181 2012.042 2012 1 8.426 0.032 273 2012.125 2012 2 8.429 0.039 204 2012.208 2012 3 8.439 0.036 301 2012.292 2012 4 8.428 0.035 178 2012.375 2012 5 8.412 0.041 285 2012.458 2012 6 8.401 0.033 142 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 8.468 0.050 276 2012.792 2012 10 8.474 0.049 315 2012.875 2012 11 8.465 0.048 192 2012.958 2012 12 8.432 0.063 268 2013.042 2013 1 8.415 0.063 320 2013.125 2013 2 8.405 0.065 271 2013.208 2013 3 8.413 0.049 286 2013.292 2013 4 8.419 0.035 315 2013.375 2013 5 8.426 0.042 287 2013.458 2013 6 8.432 0.051 252 2013.542 2013 7 8.410 0.049 174 2013.625 2013 8 8.430 0.049 309 2013.708 2013 9 8.448 0.038 144 2013.792 2013 10 8.457 0.032 316 2013.875 2013 11 8.452 0.033 247 2013.958 2013 12 8.436 0.032 264 2014.042 2014 1 8.437 0.029 229 2014.125 2014 2 8.436 0.032 300 2014.208 2014 3 8.429 0.035 333 2014.292 2014 4 8.414 0.038 87 2014.375 2014 5 8.422 0.041 205 2014.458 2014 6 8.438 0.033 315 2014.542 2014 7 8.455 0.036 287 2014.625 2014 8 8.475 0.033 254 2014.708 2014 9 8.472 0.038 315 2014.792 2014 10 8.468 0.040 216 2014.875 2014 11 8.460 0.027 271 2014.958 2014 12 8.467 0.028 310 2015.042 2015 1 8.485 0.030 247 2015.125 2015 2 8.484 0.032 242 2015.208 2015 3 8.485 0.034 195 2015.292 2015 4 8.483 0.032 324 2015.375 2015 5 8.496 0.034 206 2015.458 2015 6 8.510 0.027 167 2015.542 2015 7 8.534 0.029 327 2015.625 2015 8 8.523 0.037 301 2015.708 2015 9 8.522 0.040 157 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 8.491 0.033 235 2016.292 2016 4 8.498 0.041 112 2016.375 2016 5 8.517 0.034 232 2016.458 2016 6 8.525 0.038 110 2016.542 2016 7 8.537 0.039 182 2016.625 2016 8 8.536 0.043 300 2016.708 2016 9 8.537 0.056 244 2016.792 2016 10 8.555 0.038 190 2016.875 2016 11 8.553 0.027 230 2016.958 2016 12 8.551 0.043 119 2017.042 2017 1 8.563 0.028 220 2017.125 2017 2 8.570 0.027 193 2017.208 2017 3 8.574 0.029 218 2017.292 2017 4 8.566 0.034 124 2017.375 2017 5 8.580 0.028 211 2017.458 2017 6 8.586 0.030 204 2017.542 2017 7 8.586 0.039 65 2017.625 2017 8 8.592 0.037 217 2017.708 2017 9 8.596 0.032 211 2017.792 2017 10 8.599 0.033 244 2017.875 2017 11 8.636 0.033 185 2017.958 2017 12 8.648 0.037 204 2018.042 2018 1 8.644 0.035 132 2018.125 2018 2 8.650 0.027 200 2018.208 2018 3 8.647 0.026 195 2018.292 2018 4 8.654 0.030 195 2018.375 2018 5 8.654 0.030 267 2018.458 2018 6 8.664 0.039 176 2018.542 2018 7 8.662 0.032 262 2018.625 2018 8 8.661 0.032 182 2018.708 2018 9 8.657 0.036 187 2018.792 2018 10 8.682 0.035 220 2018.875 2018 11 8.689 0.035 155 2018.958 2018 12 8.699 0.039 222 2019.042 2019 1 8.707 0.037 220 2019.125 2019 2 8.713 0.037 206 2019.208 2019 3 8.718 0.038 222 2019.292 2019 4 8.717 0.038 191 2019.375 2019 5 8.722 0.037 223 2019.458 2019 6 8.755 0.048 138 2019.542 2019 7 8.750 0.050 177 2019.625 2019 8 8.753 0.048 190 2019.708 2019 9 8.756 0.036 195 2019.792 2019 10 8.756 0.032 181 2019.875 2019 11 8.740 0.060 28 2019.958 2019 12 8.752 0.035 148 2020.042 2020 1 8.745 0.034 196 2020.125 2020 2 8.741 0.044 188 2020.208 2020 3 8.751 0.066 124 2020.292 2020 4 NaN NaN 0 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 8.743 0.063 65 2020.708 2020 9 8.725 0.060 184 2020.792 2020 10 8.717 0.061 298 2020.875 2020 11 8.723 0.068 278 2020.958 2020 12 8.764 0.062 251 2021.042 2021 1 8.754 0.059 241 2021.125 2021 2 8.775 0.071 222 2021.208 2021 3 8.767 0.065 301 2021.292 2021 4 8.767 0.054 265 2021.375 2021 5 8.788 0.055 303 2021.458 2021 6 8.818 0.066 267 2021.542 2021 7 8.819 0.050 282 2021.625 2021 8 8.818 0.047 303 2021.708 2021 9 8.814 0.044 295 2021.792 2021 10 8.816 0.042 275 2021.875 2021 11 8.812 0.053 267 2021.958 2021 12 8.824 0.050 278 2022.042 2022 1 8.839 0.041 306 2022.125 2022 2 8.859 0.042 54 2022.208 2022 3 8.843 0.042 167 2022.292 2022 4 8.849 0.045 237 2022.375 2022 5 8.857 0.047 254 2022.458 2022 6 8.859 0.047 58 2022.542 2022 7 8.869 0.049 130 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 8.904 0.052 64 2022.792 2022 10 8.891 0.055 124 2022.875 2022 11 8.917 0.045 47 2022.958 2022 12 8.906 0.050 233 2023.042 2023 1 8.939 0.045 139 2023.125 2023 2 8.941 0.052 283 2023.208 2023 3 8.943 0.047 314 2023.292 2023 4 8.921 0.049 287 2023.375 2023 5 8.932 0.046 125 2023.458 2023 6 8.933 0.048 294 2023.542 2023 7 8.941 0.042 284 2023.625 2023 8 8.953 0.048 308 2023.708 2023 9 8.944 0.042 255 2023.792 2023 10 8.916 0.043 268 2023.875 2023 11 8.936 0.038 304 2023.958 2023 12 8.946 0.042 306