# 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 7.270 0.026 275 2010.792 2010 10 7.282 0.027 325 2010.875 2010 11 7.311 0.031 330 2010.958 2010 12 7.352 0.038 161 2011.042 2011 1 7.368 0.033 280 2011.125 2011 2 7.382 0.036 141 2011.208 2011 3 7.398 0.035 330 2011.292 2011 4 7.435 0.036 314 2011.375 2011 5 7.474 0.055 291 2011.458 2011 6 7.524 0.033 275 2011.542 2011 7 7.521 0.036 303 2011.625 2011 8 7.510 0.029 321 2011.708 2011 9 7.528 0.030 316 2011.792 2011 10 7.539 0.028 308 2011.875 2011 11 7.600 0.039 290 2011.958 2011 12 7.660 0.036 263 2012.042 2012 1 7.646 0.026 308 2012.125 2012 2 7.657 0.029 203 2012.208 2012 3 7.688 0.027 308 2012.292 2012 4 7.707 0.037 190 2012.375 2012 5 7.741 0.034 319 2012.458 2012 6 7.769 0.030 144 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 7.820 0.030 274 2012.792 2012 10 7.862 0.036 314 2012.875 2012 11 7.897 0.033 191 2012.958 2012 12 7.958 0.051 277 2013.042 2013 1 7.986 0.042 327 2013.125 2013 2 8.003 0.042 267 2013.208 2013 3 8.015 0.031 286 2013.292 2013 4 8.047 0.028 313 2013.375 2013 5 8.082 0.033 291 2013.458 2013 6 8.121 0.036 254 2013.542 2013 7 8.115 0.026 175 2013.625 2013 8 8.138 0.028 298 2013.708 2013 9 8.151 0.032 168 2013.792 2013 10 8.190 0.023 323 2013.875 2013 11 8.224 0.021 268 2013.958 2013 12 8.257 0.025 262 2014.042 2014 1 8.278 0.021 228 2014.125 2014 2 8.325 0.027 244 2014.208 2014 3 8.333 0.023 334 2014.292 2014 4 8.343 0.021 96 2014.375 2014 5 8.392 0.025 195 2014.458 2014 6 8.432 0.024 315 2014.542 2014 7 8.451 0.025 285 2014.625 2014 8 8.474 0.025 254 2014.708 2014 9 8.488 0.026 309 2014.792 2014 10 8.513 0.028 233 2014.875 2014 11 8.536 0.023 270 2014.958 2014 12 8.541 0.032 306 2015.042 2015 1 8.593 0.029 250 2015.125 2015 2 8.605 0.029 234 2015.208 2015 3 8.624 0.030 187 2015.292 2015 4 8.662 0.032 244 2015.375 2015 5 8.690 0.032 205 2015.458 2015 6 8.751 0.027 167 2015.542 2015 7 8.769 0.026 325 2015.625 2015 8 8.766 0.028 301 2015.708 2015 9 8.792 0.024 154 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 8.940 0.023 234 2016.292 2016 4 8.991 0.022 120 2016.375 2016 5 9.015 0.024 230 2016.458 2016 6 9.060 0.030 166 2016.542 2016 7 9.095 0.030 252 2016.625 2016 8 9.118 0.026 302 2016.708 2016 9 9.120 0.032 252 2016.792 2016 10 9.180 0.037 183 2016.875 2016 11 9.226 0.035 203 2016.958 2016 12 9.289 0.034 133 2017.042 2017 1 9.313 0.026 221 2017.125 2017 2 9.337 0.029 178 2017.208 2017 3 9.363 0.025 212 2017.292 2017 4 9.374 0.020 157 2017.375 2017 5 9.398 0.026 210 2017.458 2017 6 9.444 0.019 204 2017.542 2017 7 9.460 0.034 64 2017.625 2017 8 9.491 0.034 217 2017.708 2017 9 9.523 0.049 200 2017.792 2017 10 9.556 0.037 242 2017.875 2017 11 9.605 0.035 181 2017.958 2017 12 9.647 0.039 187 2018.042 2018 1 9.646 0.039 105 2018.125 2018 2 9.654 0.053 181 2018.208 2018 3 9.698 0.040 166 2018.292 2018 4 9.735 0.028 194 2018.375 2018 5 9.763 0.031 264 2018.458 2018 6 9.802 0.032 223 2018.542 2018 7 9.829 0.024 261 2018.625 2018 8 9.832 0.026 181 2018.708 2018 9 9.830 0.023 187 2018.792 2018 10 9.863 0.029 134 2018.875 2018 11 9.927 0.029 145 2018.958 2018 12 9.972 0.027 223 2019.042 2019 1 10.002 0.029 221 2019.125 2019 2 10.026 0.029 194 2019.208 2019 3 10.033 0.029 209 2019.292 2019 4 10.071 0.036 187 2019.375 2019 5 10.103 0.028 219 2019.458 2019 6 10.140 0.035 139 2019.542 2019 7 10.166 0.039 175 2019.625 2019 8 10.179 0.037 185 2019.708 2019 9 10.203 0.028 193 2019.792 2019 10 10.222 0.025 181 2019.875 2019 11 10.241 0.046 121 2019.958 2019 12 10.281 0.045 146 2020.042 2020 1 10.302 0.046 197 2020.125 2020 2 10.307 0.040 190 2020.208 2020 3 10.326 0.038 124 2020.292 2020 4 10.373 0.033 172 2020.375 2020 5 10.396 0.037 222 2020.458 2020 6 10.439 0.049 198 2020.542 2020 7 10.478 0.050 61 2020.625 2020 8 10.478 0.041 158 2020.708 2020 9 10.491 0.038 183 2020.792 2020 10 10.529 0.044 298 2020.875 2020 11 10.575 0.047 298 2020.958 2020 12 10.626 0.031 249 2021.042 2021 1 10.641 0.038 236 2021.125 2021 2 10.686 0.044 217 2021.208 2021 3 10.718 0.040 301 2021.292 2021 4 10.747 0.037 264 2021.375 2021 5 10.802 0.043 302 2021.458 2021 6 10.858 0.033 263 2021.542 2021 7 10.895 0.027 279 2021.625 2021 8 10.901 0.028 302 2021.708 2021 9 10.917 0.032 292 2021.792 2021 10 10.926 0.033 267 2021.875 2021 11 10.951 0.045 264 2021.958 2021 12 11.062 0.057 271 2022.042 2022 1 11.088 0.073 295 2022.125 2022 2 11.058 0.070 39 2022.208 2022 3 11.180 0.085 281 2022.292 2022 4 11.216 0.094 236 2022.375 2022 5 11.247 0.091 262 2022.458 2022 6 11.277 0.084 59 2022.542 2022 7 11.270 0.032 130 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 11.342 0.030 62 2022.792 2022 10 11.350 0.036 116 2022.875 2022 11 11.418 0.032 46 2022.958 2022 12 11.432 0.044 230 2023.042 2023 1 11.459 0.042 117 2023.125 2023 2 11.485 0.041 279 2023.208 2023 3 11.516 0.046 312 2023.292 2023 4 11.561 0.044 196 2023.375 2023 5 11.584 0.035 120 2023.458 2023 6 11.622 0.039 293 2023.542 2023 7 11.661 0.035 283 2023.625 2023 8 11.682 0.034 280 2023.708 2023 9 11.681 0.033 251 2023.792 2023 10 11.695 0.038 267 2023.875 2023 11 11.770 0.046 304 2023.958 2023 12 11.857 0.043 301