# 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 6.932 0.206 262 2010.792 2010 10 7.116 0.144 331 2010.875 2010 11 7.242 0.105 331 2010.958 2010 12 7.283 0.119 169 2011.042 2011 1 7.322 0.101 280 2011.125 2011 2 7.298 0.108 144 2011.208 2011 3 7.466 0.150 283 2011.292 2011 4 7.614 0.130 263 2011.375 2011 5 7.728 0.163 276 2011.458 2011 6 7.316 0.264 300 2011.542 2011 7 6.839 0.156 304 2011.625 2011 8 6.752 0.182 323 2011.708 2011 9 6.899 0.136 270 2011.792 2011 10 6.814 0.123 296 2011.875 2011 11 6.970 0.085 289 2011.958 2011 12 6.920 0.139 259 2012.042 2012 1 6.984 0.089 278 2012.125 2012 2 7.016 0.103 212 2012.208 2012 3 7.219 0.140 287 2012.292 2012 4 7.542 0.116 175 2012.375 2012 5 7.572 0.110 283 2012.458 2012 6 7.260 0.111 140 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 6.754 0.176 276 2012.792 2012 10 6.744 0.192 309 2012.875 2012 11 6.813 0.140 192 2012.958 2012 12 7.050 0.136 284 2013.042 2013 1 7.115 0.143 329 2013.125 2013 2 6.986 0.101 275 2013.208 2013 3 7.290 0.149 275 2013.292 2013 4 7.683 0.122 232 2013.375 2013 5 7.528 0.143 284 2013.458 2013 6 7.211 0.131 253 2013.542 2013 7 6.741 0.132 187 2013.625 2013 8 6.618 0.144 237 2013.708 2013 9 6.562 0.126 182 2013.792 2013 10 6.675 0.152 322 2013.875 2013 11 6.683 0.137 268 2013.958 2013 12 6.643 0.133 260 2014.042 2014 1 6.817 0.084 231 2014.125 2014 2 6.807 0.136 301 2014.208 2014 3 7.010 0.151 315 2014.292 2014 4 7.286 0.107 78 2014.375 2014 5 7.371 0.083 194 2014.458 2014 6 7.161 0.097 311 2014.542 2014 7 6.718 0.214 268 2014.625 2014 8 6.417 0.191 215 2014.708 2014 9 6.721 0.149 308 2014.792 2014 10 6.740 0.127 240 2014.875 2014 11 6.774 0.077 273 2014.958 2014 12 6.595 0.204 312 2015.042 2015 1 6.750 0.117 252 2015.125 2015 2 6.762 0.077 242 2015.208 2015 3 6.909 0.084 196 2015.292 2015 4 7.119 0.101 285 2015.375 2015 5 7.169 0.090 204 2015.458 2015 6 6.756 0.187 165 2015.542 2015 7 6.543 0.202 292 2015.625 2015 8 6.459 0.158 285 2015.708 2015 9 6.467 0.197 140 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 6.918 0.187 188 2016.292 2016 4 7.409 0.081 112 2016.375 2016 5 7.278 0.116 231 2016.458 2016 6 7.015 0.110 167 2016.542 2016 7 6.556 0.241 233 2016.625 2016 8 6.245 0.184 276 2016.708 2016 9 6.398 0.157 229 2016.792 2016 10 6.500 0.103 175 2016.875 2016 11 6.474 0.119 231 2016.958 2016 12 6.520 0.103 134 2017.042 2017 1 6.567 0.047 220 2017.125 2017 2 6.630 0.104 193 2017.208 2017 3 6.812 0.144 169 2017.292 2017 4 6.949 0.090 157 2017.375 2017 5 7.040 0.080 214 2017.458 2017 6 6.698 0.163 206 2017.542 2017 7 6.309 0.149 60 2017.625 2017 8 6.052 0.156 189 2017.708 2017 9 6.305 0.200 180 2017.792 2017 10 6.422 0.115 241 2017.875 2017 11 6.304 0.176 183 2017.958 2017 12 6.272 0.152 198 2018.042 2018 1 6.389 0.103 134 2018.125 2018 2 6.510 0.092 198 2018.208 2018 3 6.727 0.084 180 2018.292 2018 4 6.900 0.109 120 2018.375 2018 5 6.878 0.078 260 2018.458 2018 6 6.637 0.137 218 2018.542 2018 7 6.294 0.153 220 2018.625 2018 8 6.201 0.217 172 2018.708 2018 9 6.334 0.123 183 2018.792 2018 10 6.276 0.149 221 2018.875 2018 11 6.409 0.142 155 2018.958 2018 12 6.590 0.195 218 2019.042 2019 1 6.815 0.115 219 2019.125 2019 2 6.979 0.138 206 2019.208 2019 3 7.170 0.155 197 2019.292 2019 4 7.152 0.150 166 2019.375 2019 5 7.005 0.199 209 2019.458 2019 6 6.481 0.200 138 2019.542 2019 7 6.284 0.124 136 2019.625 2019 8 6.084 0.174 156 2019.708 2019 9 6.402 0.109 159 2019.792 2019 10 6.444 0.121 175 2019.875 2019 11 6.408 0.097 112 2019.958 2019 12 6.736 0.129 47 2020.042 2020 1 6.903 0.114 180 2020.125 2020 2 6.994 0.105 171 2020.208 2020 3 7.108 0.142 104 2020.292 2020 4 6.867 0.137 162 2020.375 2020 5 6.765 0.146 215 2020.458 2020 6 6.563 0.085 120 2020.542 2020 7 6.338 0.101 59 2020.625 2020 8 6.232 0.178 158 2020.708 2020 9 6.342 0.151 158 2020.792 2020 10 6.538 0.112 263 2020.875 2020 11 6.463 0.134 295 2020.958 2020 12 6.530 0.067 246 2021.042 2021 1 6.652 0.063 210 2021.125 2021 2 6.888 0.204 146 2021.208 2021 3 7.194 0.138 271 2021.292 2021 4 7.298 0.126 252 2021.375 2021 5 7.208 0.148 287 2021.458 2021 6 6.702 0.119 261 2021.542 2021 7 6.341 0.196 272 2021.625 2021 8 6.472 0.171 277 2021.708 2021 9 6.692 0.136 278 2021.792 2021 10 6.493 0.099 239 2021.875 2021 11 6.308 0.092 267 2021.958 2021 12 6.475 0.124 272 2022.042 2022 1 6.553 0.079 285 2022.125 2022 2 6.510 0.056 37 2022.208 2022 3 6.499 0.112 241 2022.292 2022 4 6.810 0.144 168 2022.375 2022 5 6.967 0.120 212 2022.458 2022 6 6.594 0.071 58 2022.542 2022 7 6.304 0.112 90 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 6.165 0.115 63 2022.792 2022 10 6.019 0.121 120 2022.875 2022 11 6.173 0.048 44 2022.958 2022 12 6.284 0.084 233 2023.042 2023 1 6.297 0.112 139 2023.125 2023 2 6.469 0.150 283 2023.208 2023 3 6.862 0.166 131 2023.292 2023 4 6.714 0.164 98 2023.375 2023 5 6.643 0.072 125 2023.458 2023 6 6.596 0.088 224 2023.542 2023 7 6.292 0.182 270 2023.625 2023 8 6.364 0.145 229 2023.708 2023 9 6.352 0.133 248 2023.792 2023 10 6.369 0.107 265 2023.875 2023 11 6.414 0.102 303 2023.958 2023 12 6.403 0.105 307