# 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 NaN NaN 0 2010.792 2010 10 NaN NaN 0 2010.875 2010 11 NaN NaN 0 2010.958 2010 12 NaN NaN 0 2011.042 2011 1 NaN NaN 0 2011.125 2011 2 NaN NaN 0 2011.208 2011 3 NaN NaN 0 2011.292 2011 4 NaN NaN 0 2011.375 2011 5 NaN NaN 0 2011.458 2011 6 NaN NaN 0 2011.542 2011 7 NaN NaN 0 2011.625 2011 8 NaN NaN 0 2011.708 2011 9 NaN NaN 0 2011.792 2011 10 NaN NaN 0 2011.875 2011 11 NaN NaN 0 2011.958 2011 12 NaN NaN 0 2012.042 2012 1 NaN NaN 0 2012.125 2012 2 NaN NaN 0 2012.208 2012 3 NaN NaN 0 2012.292 2012 4 NaN NaN 0 2012.375 2012 5 NaN NaN 0 2012.458 2012 6 NaN NaN 0 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 NaN NaN 0 2012.792 2012 10 NaN NaN 0 2012.875 2012 11 NaN NaN 0 2012.958 2012 12 NaN NaN 0 2013.042 2013 1 NaN NaN 0 2013.125 2013 2 NaN NaN 0 2013.208 2013 3 NaN NaN 0 2013.292 2013 4 NaN NaN 0 2013.375 2013 5 NaN NaN 0 2013.458 2013 6 NaN NaN 0 2013.542 2013 7 NaN NaN 0 2013.625 2013 8 NaN NaN 0 2013.708 2013 9 NaN NaN 0 2013.792 2013 10 NaN NaN 0 2013.875 2013 11 NaN NaN 0 2013.958 2013 12 NaN NaN 0 2014.042 2014 1 NaN NaN 0 2014.125 2014 2 NaN NaN 0 2014.208 2014 3 NaN NaN 0 2014.292 2014 4 NaN NaN 0 2014.375 2014 5 NaN NaN 0 2014.458 2014 6 NaN NaN 0 2014.542 2014 7 NaN NaN 0 2014.625 2014 8 NaN NaN 0 2014.708 2014 9 NaN NaN 0 2014.792 2014 10 81.748 0.104 4 2014.875 2014 11 81.895 0.109 243 2014.958 2014 12 82.129 0.155 288 2015.042 2015 1 82.163 0.115 236 2015.125 2015 2 82.303 0.163 166 2015.208 2015 3 82.298 0.136 146 2015.292 2015 4 82.268 0.097 316 2015.375 2015 5 82.241 0.094 203 2015.458 2015 6 82.319 0.096 166 2015.542 2015 7 82.297 0.102 327 2015.625 2015 8 82.397 0.090 294 2015.708 2015 9 82.441 0.126 152 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 NaN NaN 0 2016.292 2016 4 82.990 0.092 116 2016.375 2016 5 83.073 0.112 227 2016.458 2016 6 82.980 0.094 41 2016.542 2016 7 83.269 0.161 95 2016.625 2016 8 83.367 0.198 264 2016.708 2016 9 83.456 0.146 225 2016.792 2016 10 83.406 0.203 164 2016.875 2016 11 83.675 0.160 223 2016.958 2016 12 83.814 0.123 65 2017.042 2017 1 83.921 0.125 193 2017.125 2017 2 83.918 0.128 182 2017.208 2017 3 84.017 0.098 183 2017.292 2017 4 84.106 0.088 120 2017.375 2017 5 84.098 0.121 168 2017.458 2017 6 84.124 0.185 120 2017.542 2017 7 84.240 0.125 53 2017.625 2017 8 84.276 0.095 208 2017.708 2017 9 84.373 0.175 197 2017.792 2017 10 84.527 0.102 240 2017.875 2017 11 84.750 0.141 180 2017.958 2017 12 84.873 0.103 196 2018.042 2018 1 84.925 0.109 103 2018.125 2018 2 85.065 0.194 197 2018.208 2018 3 85.116 0.160 146 2018.292 2018 4 85.184 0.098 155 2018.375 2018 5 85.201 0.067 267 2018.458 2018 6 85.217 0.092 135 2018.542 2018 7 85.235 0.076 258 2018.625 2018 8 85.221 0.078 169 2018.708 2018 9 85.239 0.078 182 2018.792 2018 10 85.434 0.100 217 2018.875 2018 11 85.588 0.108 154 2018.958 2018 12 85.696 0.092 221 2019.042 2019 1 85.787 0.101 215 2019.125 2019 2 85.876 0.085 202 2019.208 2019 3 85.859 0.081 221 2019.292 2019 4 85.918 0.082 189 2019.375 2019 5 86.006 0.084 223 2019.458 2019 6 86.107 0.081 135 2019.542 2019 7 86.118 0.088 169 2019.625 2019 8 86.118 0.080 157 2019.708 2019 9 86.298 0.087 191 2019.792 2019 10 86.384 0.070 176 2019.875 2019 11 86.387 0.090 114 2019.958 2019 12 86.475 0.091 98 2020.042 2020 1 86.573 0.149 109 2020.125 2020 2 86.648 0.156 159 2020.208 2020 3 86.768 0.119 99 2020.292 2020 4 86.813 0.112 159 2020.375 2020 5 86.816 0.116 103 2020.458 2020 6 NaN NaN 0 2020.542 2020 7 86.965 0.186 60 2020.625 2020 8 86.923 0.151 159 2020.708 2020 9 86.993 0.170 177 2020.792 2020 10 87.149 0.129 296 2020.875 2020 11 87.299 0.174 294 2020.958 2020 12 87.464 0.122 246 2021.042 2021 1 87.491 0.120 232 2021.125 2021 2 87.689 0.167 184 2021.208 2021 3 87.734 0.117 298 2021.292 2021 4 87.747 0.096 264 2021.375 2021 5 87.907 0.121 296 2021.458 2021 6 88.052 0.111 260 2021.542 2021 7 88.084 0.122 276 2021.625 2021 8 88.059 0.104 301 2021.708 2021 9 88.106 0.130 291 2021.792 2021 10 88.296 0.123 268 2021.875 2021 11 88.457 0.200 246 2021.958 2021 12 88.498 0.119 150 2022.042 2022 1 88.580 0.107 93 2022.125 2022 2 88.720 0.153 29 2022.208 2022 3 88.860 0.120 270 2022.292 2022 4 88.906 0.096 236 2022.375 2022 5 88.941 0.094 257 2022.458 2022 6 89.002 0.101 59 2022.542 2022 7 89.038 0.106 130 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 89.145 0.122 54 2022.792 2022 10 89.201 0.119 110 2022.875 2022 11 89.507 0.109 32 2022.958 2022 12 89.502 0.174 222 2023.042 2023 1 89.662 0.141 112 2023.125 2023 2 89.748 0.128 267 2023.208 2023 3 89.818 0.133 312 2023.292 2023 4 89.877 0.142 117 2023.375 2023 5 89.880 0.126 119 2023.458 2023 6 89.855 0.109 288 2023.542 2023 7 89.914 0.124 275 2023.625 2023 8 89.999 0.130 282 2023.708 2023 9 89.960 0.136 243 2023.792 2023 10 89.915 0.154 259 2023.875 2023 11 90.100 0.141 268 2023.958 2023 12 90.378 0.139 246