# 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 5.597 0.116 199 2010.792 2010 10 5.723 0.112 303 2010.875 2010 11 5.877 0.120 330 2010.958 2010 12 6.093 0.125 132 2011.042 2011 1 6.161 0.129 276 2011.125 2011 2 6.162 0.113 127 2011.208 2011 3 6.216 0.108 327 2011.292 2011 4 6.360 0.114 305 2011.375 2011 5 6.442 0.108 272 2011.458 2011 6 6.405 0.095 291 2011.542 2011 7 6.422 0.096 300 2011.625 2011 8 6.480 0.077 322 2011.708 2011 9 6.672 0.095 301 2011.792 2011 10 6.795 0.100 284 2011.875 2011 11 7.070 0.115 285 2011.958 2011 12 7.259 0.110 257 2012.042 2012 1 7.237 0.118 285 2012.125 2012 2 7.219 0.126 197 2012.208 2012 3 7.332 0.086 295 2012.292 2012 4 7.370 0.083 200 2012.375 2012 5 7.501 0.097 318 2012.458 2012 6 7.535 0.088 149 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 7.845 0.163 278 2012.792 2012 10 8.110 0.204 311 2012.875 2012 11 8.284 0.181 192 2012.958 2012 12 8.594 0.219 274 2013.042 2013 1 8.714 0.218 317 2013.125 2013 2 8.820 0.221 267 2013.208 2013 3 8.872 0.172 296 2013.292 2013 4 9.005 0.136 317 2013.375 2013 5 9.167 0.134 290 2013.458 2013 6 9.233 0.147 246 2013.542 2013 7 9.193 0.103 196 2013.625 2013 8 9.287 0.093 276 2013.708 2013 9 9.338 0.127 169 2013.792 2013 10 9.616 0.106 323 2013.875 2013 11 9.897 0.116 271 2013.958 2013 12 10.154 0.139 251 2014.042 2014 1 10.215 0.158 208 2014.125 2014 2 10.528 0.124 199 2014.208 2014 3 10.496 0.101 326 2014.292 2014 4 10.527 0.091 94 2014.375 2014 5 10.674 0.105 207 2014.458 2014 6 10.776 0.104 296 2014.542 2014 7 10.829 0.112 272 2014.625 2014 8 10.833 0.096 255 2014.708 2014 9 11.075 0.110 305 2014.792 2014 10 11.281 0.137 231 2014.875 2014 11 11.658 0.177 244 2014.958 2014 12 11.916 0.091 308 2015.042 2015 1 12.070 0.147 236 2015.125 2015 2 12.148 0.113 228 2015.208 2015 3 12.225 0.118 199 2015.292 2015 4 12.260 0.079 325 2015.375 2015 5 12.322 0.119 205 2015.458 2015 6 12.539 0.091 164 2015.542 2015 7 12.534 0.079 325 2015.625 2015 8 12.748 0.112 263 2015.708 2015 9 12.855 0.112 120 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 14.515 0.116 232 2016.292 2016 4 14.565 0.134 121 2016.375 2016 5 14.611 0.137 229 2016.458 2016 6 14.614 0.132 167 2016.542 2016 7 14.778 0.200 243 2016.625 2016 8 14.921 0.140 283 2016.708 2016 9 15.136 0.197 226 2016.792 2016 10 15.818 0.303 114 2016.875 2016 11 16.351 0.193 179 2016.958 2016 12 16.727 0.168 140 2017.042 2017 1 17.008 0.168 216 2017.125 2017 2 17.166 0.156 162 2017.208 2017 3 17.389 0.166 215 2017.292 2017 4 17.381 0.104 158 2017.375 2017 5 17.467 0.121 213 2017.458 2017 6 17.711 0.110 202 2017.542 2017 7 17.918 0.293 69 2017.625 2017 8 18.302 0.134 193 2017.708 2017 9 18.658 0.199 165 2017.792 2017 10 19.382 0.152 193 2017.875 2017 11 19.878 0.173 169 2017.958 2017 12 20.190 0.130 197 2018.042 2018 1 20.175 0.140 137 2018.125 2018 2 20.435 0.184 178 2018.208 2018 3 20.762 0.134 193 2018.292 2018 4 21.100 0.165 190 2018.375 2018 5 21.257 0.115 256 2018.458 2018 6 21.180 0.140 223 2018.542 2018 7 21.312 0.174 232 2018.625 2018 8 21.448 0.131 164 2018.708 2018 9 21.638 0.143 183 2018.792 2018 10 22.188 0.302 191 2018.875 2018 11 22.972 0.277 140 2018.958 2018 12 23.595 0.175 191 2019.042 2019 1 23.922 0.201 213 2019.125 2019 2 24.088 0.159 194 2019.208 2019 3 24.214 0.166 221 2019.292 2019 4 24.530 0.206 189 2019.375 2019 5 24.633 0.156 223 2019.458 2019 6 24.788 0.172 140 2019.542 2019 7 25.081 0.189 164 2019.625 2019 8 25.196 0.214 156 2019.708 2019 9 25.720 0.171 151 2019.792 2019 10 26.103 0.217 179 2019.875 2019 11 26.636 0.216 108 2019.958 2019 12 27.421 0.210 131 2020.042 2020 1 27.569 0.171 183 2020.125 2020 2 27.756 0.224 189 2020.208 2020 3 27.952 0.255 124 2020.292 2020 4 27.836 0.283 176 2020.375 2020 5 27.698 0.253 221 2020.458 2020 6 27.892 0.316 195 2020.542 2020 7 28.148 0.316 72 2020.625 2020 8 28.263 0.246 160 2020.708 2020 9 28.792 0.357 160 2020.792 2020 10 29.712 0.385 267 2020.875 2020 11 30.434 0.293 283 2020.958 2020 12 30.734 0.244 231 2021.042 2021 1 30.998 0.218 238 2021.125 2021 2 31.474 0.286 205 2021.208 2021 3 31.556 0.235 295 2021.292 2021 4 31.587 0.233 266 2021.375 2021 5 31.669 0.238 304 2021.458 2021 6 32.019 0.226 262 2021.542 2021 7 32.401 0.222 271 2021.625 2021 8 32.489 0.258 278 2021.708 2021 9 32.928 0.407 269 2021.792 2021 10 33.955 0.303 239 2021.875 2021 11 34.644 0.324 267 2021.958 2021 12 35.948 0.402 255 2022.042 2022 1 36.188 0.214 300 2022.125 2022 2 36.321 0.271 56 2022.208 2022 3 36.413 0.233 266 2022.292 2022 4 36.806 0.227 234 2022.375 2022 5 36.811 0.203 263 2022.458 2022 6 36.815 0.262 60 2022.542 2022 7 37.297 0.286 108 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 38.835 0.492 65 2022.792 2022 10 38.961 0.360 115 2022.875 2022 11 40.189 0.220 26 2022.958 2022 12 40.193 0.367 232 2023.042 2023 1 40.755 0.438 125 2023.125 2023 2 40.959 0.355 281 2023.208 2023 3 41.117 0.354 315 2023.292 2023 4 41.656 0.414 280 2023.375 2023 5 41.924 0.305 122 2023.458 2023 6 41.965 0.347 227 2023.542 2023 7 42.030 0.298 274 2023.625 2023 8 42.853 0.458 252 2023.708 2023 9 43.297 0.307 247 2023.792 2023 10 43.985 0.485 268 2023.875 2023 11 45.038 0.595 286 2023.958 2023 12 46.383 0.474 283