# 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 12.036 0.164 224 2010.792 2010 10 12.302 0.118 268 2010.875 2010 11 12.461 0.118 323 2010.958 2010 12 12.637 0.154 126 2011.042 2011 1 12.726 0.153 229 2011.125 2011 2 12.812 0.111 117 2011.208 2011 3 12.805 0.120 326 2011.292 2011 4 12.825 0.121 298 2011.375 2011 5 12.894 0.109 278 2011.458 2011 6 12.914 0.079 280 2011.542 2011 7 12.947 0.098 279 2011.625 2011 8 13.071 0.134 306 2011.708 2011 9 13.324 0.135 241 2011.792 2011 10 13.477 0.094 278 2011.875 2011 11 13.721 0.150 278 2011.958 2011 12 14.181 0.080 44 2012.042 2012 1 14.159 0.187 260 2012.125 2012 2 14.100 0.215 165 2012.208 2012 3 14.259 0.135 242 2012.292 2012 4 14.194 0.114 190 2012.375 2012 5 14.164 0.082 302 2012.458 2012 6 14.170 0.068 146 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 14.722 0.112 271 2012.792 2012 10 14.949 0.173 256 2012.875 2012 11 15.176 0.174 185 2012.958 2012 12 15.303 0.288 229 2013.042 2013 1 15.513 0.232 282 2013.125 2013 2 15.609 0.273 227 2013.208 2013 3 15.505 0.226 281 2013.292 2013 4 15.556 0.217 310 2013.375 2013 5 15.786 0.136 290 2013.458 2013 6 15.883 0.133 251 2013.542 2013 7 15.821 0.114 186 2013.625 2013 8 15.990 0.085 248 2013.708 2013 9 16.090 0.112 156 2013.792 2013 10 16.356 0.094 311 2013.875 2013 11 16.630 0.138 264 2013.958 2013 12 16.797 0.133 175 2014.042 2014 1 16.938 0.187 192 2014.125 2014 2 17.358 0.233 132 2014.208 2014 3 17.355 0.157 323 2014.292 2014 4 17.164 0.112 85 2014.375 2014 5 17.304 0.089 151 2014.458 2014 6 17.352 0.082 283 2014.542 2014 7 17.460 0.091 273 2014.625 2014 8 17.495 0.079 247 2014.708 2014 9 17.708 0.123 301 2014.792 2014 10 17.896 0.100 211 2014.875 2014 11 18.166 0.132 223 2014.958 2014 12 18.439 0.126 206 2015.042 2015 1 18.508 0.160 214 2015.125 2015 2 18.649 0.163 212 2015.208 2015 3 18.630 0.123 177 2015.292 2015 4 18.707 0.117 316 2015.375 2015 5 18.661 0.077 207 2015.458 2015 6 18.748 0.064 166 2015.542 2015 7 18.785 0.068 319 2015.625 2015 8 18.966 0.121 221 2015.708 2015 9 19.069 0.093 120 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 20.256 0.150 210 2016.292 2016 4 20.289 0.113 120 2016.375 2016 5 20.360 0.088 212 2016.458 2016 6 20.376 0.113 167 2016.542 2016 7 20.503 0.123 225 2016.625 2016 8 20.521 0.102 281 2016.708 2016 9 20.652 0.189 217 2016.792 2016 10 21.069 0.260 94 2016.875 2016 11 21.423 0.265 151 2016.958 2016 12 21.696 0.222 148 2017.042 2017 1 21.907 0.202 184 2017.125 2017 2 21.894 0.144 138 2017.208 2017 3 22.063 0.174 154 2017.292 2017 4 22.094 0.124 89 2017.375 2017 5 22.080 0.078 212 2017.458 2017 6 22.177 0.082 194 2017.542 2017 7 22.244 0.131 66 2017.625 2017 8 22.386 0.092 212 2017.708 2017 9 22.587 0.119 165 2017.792 2017 10 22.999 0.114 154 2017.875 2017 11 23.272 0.110 131 2017.958 2017 12 23.469 0.159 169 2018.042 2018 1 23.492 0.135 127 2018.125 2018 2 23.508 0.116 190 2018.208 2018 3 23.490 0.107 196 2018.292 2018 4 23.746 0.087 178 2018.375 2018 5 23.689 0.083 256 2018.458 2018 6 23.682 0.093 139 2018.542 2018 7 23.725 0.089 246 2018.625 2018 8 23.728 0.087 163 2018.708 2018 9 23.910 0.101 186 2018.792 2018 10 24.252 0.146 193 2018.875 2018 11 24.607 0.187 143 2018.958 2018 12 24.850 0.151 168 2019.042 2019 1 25.065 0.212 173 2019.125 2019 2 25.109 0.159 192 2019.208 2019 3 25.198 0.124 212 2019.292 2019 4 25.242 0.141 171 2019.375 2019 5 25.124 0.090 220 2019.458 2019 6 25.225 0.101 139 2019.542 2019 7 25.358 0.104 164 2019.625 2019 8 25.398 0.112 156 2019.708 2019 9 25.678 0.112 157 2019.792 2019 10 25.909 0.135 178 2019.875 2019 11 26.317 0.176 135 2019.958 2019 12 26.569 0.150 181 2020.042 2020 1 26.584 0.138 188 2020.125 2020 2 26.766 0.198 186 2020.208 2020 3 26.932 0.112 100 2020.292 2020 4 26.939 0.100 157 2020.375 2020 5 26.963 0.098 216 2020.458 2020 6 27.014 0.115 121 2020.542 2020 7 27.120 0.116 33 2020.625 2020 8 27.222 0.113 160 2020.708 2020 9 27.406 0.157 167 2020.792 2020 10 27.724 0.151 250 2020.875 2020 11 27.997 0.184 277 2020.958 2020 12 28.218 0.153 222 2021.042 2021 1 28.271 0.224 223 2021.125 2021 2 28.414 0.223 210 2021.208 2021 3 28.611 0.179 285 2021.292 2021 4 28.689 0.184 266 2021.375 2021 5 28.734 0.179 304 2021.458 2021 6 28.819 0.193 257 2021.542 2021 7 28.846 0.167 276 2021.625 2021 8 28.947 0.162 298 2021.708 2021 9 29.193 0.229 277 2021.792 2021 10 29.472 0.164 229 2021.875 2021 11 29.661 0.185 259 2021.958 2021 12 29.631 0.176 59 2022.042 2022 1 NaN NaN 0 2022.125 2022 2 NaN NaN 0 2022.208 2022 3 30.434 0.241 255 2022.292 2022 4 30.492 0.248 232 2022.375 2022 5 30.507 0.249 253 2022.458 2022 6 30.756 0.211 50 2022.542 2022 7 30.732 0.206 127 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 31.113 0.210 59 2022.792 2022 10 31.221 0.191 108 2022.875 2022 11 31.569 0.126 38 2022.958 2022 12 31.656 0.209 230 2023.042 2023 1 31.903 0.248 122 2023.125 2023 2 32.029 0.199 272 2023.208 2023 3 32.168 0.194 303 2023.292 2023 4 32.298 0.181 263 2023.375 2023 5 32.284 0.113 125 2023.458 2023 6 32.395 0.173 265 2023.542 2023 7 32.436 0.130 283 2023.625 2023 8 32.676 0.165 292 2023.708 2023 9 32.797 0.126 251 2023.792 2023 10 32.667 0.182 268 2023.875 2023 11 33.021 0.188 302 2023.958 2023 12 33.449 0.265 231