# 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 22.070 0.077 271 2010.792 2010 10 22.212 0.071 304 2010.875 2010 11 22.438 0.082 330 2010.958 2010 12 22.692 0.109 146 2011.042 2011 1 22.682 0.077 269 2011.125 2011 2 22.545 0.080 127 2011.208 2011 3 22.549 0.072 325 2011.292 2011 4 22.692 0.120 308 2011.375 2011 5 22.829 0.094 285 2011.458 2011 6 22.892 0.080 292 2011.542 2011 7 22.994 0.055 269 2011.625 2011 8 22.928 0.057 323 2011.708 2011 9 23.128 0.100 303 2011.792 2011 10 23.383 0.149 271 2011.875 2011 11 23.893 0.100 219 2011.958 2011 12 23.973 0.084 282 2012.042 2012 1 23.716 0.115 264 2012.125 2012 2 23.675 0.089 197 2012.208 2012 3 23.650 0.086 307 2012.292 2012 4 23.724 0.125 194 2012.375 2012 5 23.879 0.105 309 2012.458 2012 6 23.929 0.063 143 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 24.368 0.081 275 2012.792 2012 10 24.626 0.134 311 2012.875 2012 11 24.800 0.088 187 2012.958 2012 12 24.843 0.074 60 2013.042 2013 1 NaN NaN 0 2013.125 2013 2 NaN NaN 0 2013.208 2013 3 24.574 0.087 206 2013.292 2013 4 24.678 0.140 305 2013.375 2013 5 24.883 0.128 155 2013.458 2013 6 NaN NaN 0 2013.542 2013 7 24.689 0.086 121 2013.625 2013 8 24.718 0.102 111 2013.708 2013 9 24.966 0.083 125 2013.792 2013 10 25.160 0.094 307 2013.875 2013 11 25.286 0.065 250 2013.958 2013 12 25.255 0.084 260 2014.042 2014 1 25.217 0.075 225 2014.125 2014 2 25.176 0.098 288 2014.208 2014 3 25.131 0.066 333 2014.292 2014 4 25.145 0.066 94 2014.375 2014 5 25.312 0.065 207 2014.458 2014 6 25.418 0.071 307 2014.542 2014 7 25.477 0.064 286 2014.625 2014 8 25.516 0.061 255 2014.708 2014 9 25.568 0.067 307 2014.792 2014 10 25.734 0.082 241 2014.875 2014 11 25.821 0.090 265 2014.958 2014 12 25.582 0.111 307 2015.042 2015 1 25.679 0.060 249 2015.125 2015 2 25.552 0.118 240 2015.208 2015 3 25.544 0.072 192 2015.292 2015 4 25.659 0.061 321 2015.375 2015 5 25.750 0.069 206 2015.458 2015 6 25.857 0.062 134 2015.542 2015 7 25.801 0.058 326 2015.625 2015 8 25.703 0.076 293 2015.708 2015 9 25.724 0.063 150 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 25.923 0.107 232 2016.292 2016 4 26.048 0.072 117 2016.375 2016 5 25.994 0.074 231 2016.458 2016 6 26.050 0.063 162 2016.542 2016 7 26.064 0.071 252 2016.625 2016 8 26.013 0.083 295 2016.708 2016 9 25.908 0.078 252 2016.792 2016 10 26.057 0.074 142 2016.875 2016 11 26.076 0.052 228 2016.958 2016 12 26.220 0.070 101 2017.042 2017 1 26.128 0.065 222 2017.125 2017 2 26.015 0.066 185 2017.208 2017 3 25.954 0.051 211 2017.292 2017 4 25.912 0.052 163 2017.375 2017 5 25.899 0.049 209 2017.458 2017 6 25.848 0.062 198 2017.542 2017 7 25.782 0.048 66 2017.625 2017 8 25.712 0.085 211 2017.708 2017 9 25.537 0.065 197 2017.792 2017 10 25.491 0.094 244 2017.875 2017 11 25.732 0.095 167 2017.958 2017 12 25.765 0.060 199 2018.042 2018 1 25.657 0.050 127 2018.125 2018 2 25.601 0.055 188 2018.208 2018 3 25.581 0.043 195 2018.292 2018 4 25.584 0.053 193 2018.375 2018 5 25.583 0.045 261 2018.458 2018 6 25.530 0.055 208 2018.542 2018 7 25.462 0.050 245 2018.625 2018 8 25.351 0.067 172 2018.708 2018 9 25.231 0.058 186 2018.792 2018 10 25.257 0.070 218 2018.875 2018 11 25.472 0.099 146 2018.958 2018 12 25.676 0.080 213 2019.042 2019 1 25.741 0.076 209 2019.125 2019 2 25.706 0.071 204 2019.208 2019 3 25.635 0.105 200 2019.292 2019 4 25.574 0.108 185 2019.375 2019 5 25.533 0.112 138 2019.458 2019 6 25.593 0.074 121 2019.542 2019 7 25.527 0.072 175 2019.625 2019 8 25.505 0.062 184 2019.708 2019 9 25.599 0.078 183 2019.792 2019 10 25.817 0.104 179 2019.875 2019 11 26.205 0.061 106 2019.958 2019 12 26.211 0.102 148 2020.042 2020 1 26.182 0.120 190 2020.125 2020 2 26.032 0.104 191 2020.208 2020 3 25.969 0.076 113 2020.292 2020 4 26.066 0.096 171 2020.375 2020 5 26.062 0.119 221 2020.458 2020 6 26.090 0.139 204 2020.542 2020 7 26.082 0.181 68 2020.625 2020 8 25.945 0.129 156 2020.708 2020 9 26.031 0.100 178 2020.792 2020 10 26.260 0.115 294 2020.875 2020 11 26.409 0.110 295 2020.958 2020 12 26.455 0.100 240 2021.042 2021 1 26.307 0.098 234 2021.125 2021 2 26.237 0.135 186 2021.208 2021 3 26.180 0.084 295 2021.292 2021 4 26.091 0.075 266 2021.375 2021 5 26.137 0.068 297 2021.458 2021 6 26.234 0.075 265 2021.542 2021 7 26.218 0.088 267 2021.625 2021 8 26.103 0.074 298 2021.708 2021 9 26.089 0.103 292 2021.792 2021 10 26.328 0.094 269 2021.875 2021 11 26.520 0.106 261 2021.958 2021 12 26.595 0.100 268 2022.042 2022 1 26.432 0.113 304 2022.125 2022 2 26.341 0.085 55 2022.208 2022 3 26.195 0.075 275 2022.292 2022 4 26.222 0.071 236 2022.375 2022 5 26.229 0.074 262 2022.458 2022 6 26.155 0.081 60 2022.542 2022 7 26.222 0.099 130 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 26.078 0.092 48 2022.792 2022 10 26.087 0.087 23 2022.875 2022 11 26.101 0.104 38 2022.958 2022 12 26.131 0.084 232 2023.042 2023 1 26.054 0.095 139 2023.125 2023 2 25.982 0.103 276 2023.208 2023 3 25.840 0.121 312 2023.292 2023 4 25.987 0.144 153 2023.375 2023 5 26.063 0.092 124 2023.458 2023 6 25.989 0.091 294 2023.542 2023 7 25.966 0.080 279 2023.625 2023 8 25.935 0.086 301 2023.708 2023 9 25.900 0.073 250 2023.792 2023 10 25.967 0.082 264 2023.875 2023 11 26.181 0.112 298 2023.958 2023 12 26.334 0.081 301