# 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 8.715 0.169 253 2010.792 2010 10 9.123 0.135 248 2010.875 2010 11 9.504 0.226 298 2010.958 2010 12 10.103 0.185 87 2011.042 2011 1 10.231 0.158 258 2011.125 2011 2 10.310 0.130 109 2011.208 2011 3 10.435 0.139 300 2011.292 2011 4 10.523 0.135 296 2011.375 2011 5 10.557 0.190 289 2011.458 2011 6 9.935 0.222 298 2011.542 2011 7 9.481 0.144 269 2011.625 2011 8 9.205 0.116 308 2011.708 2011 9 9.195 0.123 297 2011.792 2011 10 9.349 0.142 270 2011.875 2011 11 9.956 0.342 214 2011.958 2011 12 10.936 0.205 102 2012.042 2012 1 10.833 0.317 275 2012.125 2012 2 10.957 0.253 202 2012.208 2012 3 11.026 0.196 266 2012.292 2012 4 10.892 0.166 188 2012.375 2012 5 10.592 0.128 299 2012.458 2012 6 10.155 0.103 140 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 9.290 0.134 253 2012.792 2012 10 9.659 0.227 232 2012.875 2012 11 10.122 0.142 145 2012.958 2012 12 10.566 0.170 217 2013.042 2013 1 10.819 0.249 262 2013.125 2013 2 10.925 0.179 181 2013.208 2013 3 10.751 0.169 269 2013.292 2013 4 10.772 0.089 314 2013.375 2013 5 10.758 0.090 281 2013.458 2013 6 10.260 0.230 241 2013.542 2013 7 9.536 0.242 220 2013.625 2013 8 9.119 0.136 252 2013.708 2013 9 8.989 0.092 180 2013.792 2013 10 9.227 0.201 311 2013.875 2013 11 9.854 0.191 210 2013.958 2013 12 10.327 0.118 111 2014.042 2014 1 10.204 0.200 188 2014.125 2014 2 10.531 0.199 104 2014.208 2014 3 10.729 0.189 274 2014.292 2014 4 10.548 0.164 83 2014.375 2014 5 10.450 0.097 208 2014.458 2014 6 10.044 0.172 286 2014.542 2014 7 9.577 0.154 237 2014.625 2014 8 9.046 0.161 242 2014.708 2014 9 9.052 0.109 303 2014.792 2014 10 9.367 0.158 226 2014.875 2014 11 9.941 0.168 170 2014.958 2014 12 10.307 0.181 125 2015.042 2015 1 10.384 0.172 219 2015.125 2015 2 10.463 0.146 235 2015.208 2015 3 10.570 0.133 184 2015.292 2015 4 10.555 0.155 288 2015.375 2015 5 10.252 0.135 202 2015.458 2015 6 9.862 0.136 165 2015.542 2015 7 9.310 0.185 315 2015.625 2015 8 9.077 0.102 284 2015.708 2015 9 8.980 0.090 135 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 10.840 0.268 226 2016.292 2016 4 10.825 0.153 91 2016.375 2016 5 10.506 0.211 217 2016.458 2016 6 9.984 0.184 122 2016.542 2016 7 9.597 0.152 224 2016.625 2016 8 9.225 0.124 281 2016.708 2016 9 8.943 0.114 247 2016.792 2016 10 9.273 0.244 100 2016.875 2016 11 9.817 0.182 153 2016.958 2016 12 10.357 0.253 82 2017.042 2017 1 10.632 0.190 203 2017.125 2017 2 10.608 0.193 148 2017.208 2017 3 10.826 0.155 202 2017.292 2017 4 10.656 0.209 119 2017.375 2017 5 10.405 0.101 212 2017.458 2017 6 10.110 0.172 202 2017.542 2017 7 9.790 0.090 60 2017.625 2017 8 9.258 0.144 153 2017.708 2017 9 9.176 0.093 152 2017.792 2017 10 9.498 0.169 199 2017.875 2017 11 10.291 0.247 142 2017.958 2017 12 10.718 0.194 154 2018.042 2018 1 10.630 0.177 127 2018.125 2018 2 10.768 0.164 140 2018.208 2018 3 10.835 0.078 188 2018.292 2018 4 10.907 0.128 150 2018.375 2018 5 10.861 0.078 249 2018.458 2018 6 10.441 0.219 171 2018.542 2018 7 9.939 0.177 235 2018.625 2018 8 9.346 0.162 170 2018.708 2018 9 9.145 0.073 184 2018.792 2018 10 9.496 0.187 182 2018.875 2018 11 10.138 0.213 120 2018.958 2018 12 10.546 0.122 166 2019.042 2019 1 10.813 0.123 178 2019.125 2019 2 10.908 0.137 190 2019.208 2019 3 11.041 0.140 187 2019.292 2019 4 11.192 0.181 109 2019.375 2019 5 10.838 0.140 223 2019.458 2019 6 10.534 0.115 99 2019.542 2019 7 10.079 0.135 166 2019.625 2019 8 9.733 0.104 168 2019.708 2019 9 9.720 0.086 170 2019.792 2019 10 9.847 0.194 171 2019.875 2019 11 10.731 0.289 152 2019.958 2019 12 11.013 0.233 208 2020.042 2020 1 11.088 0.135 190 2020.125 2020 2 11.118 0.116 193 2020.208 2020 3 11.145 0.146 123 2020.292 2020 4 11.178 0.138 189 2020.375 2020 5 10.817 0.214 220 2020.458 2020 6 10.346 0.219 198 2020.542 2020 7 9.822 0.210 62 2020.625 2020 8 9.313 0.119 159 2020.708 2020 9 9.404 0.169 139 2020.792 2020 10 9.804 0.196 275 2020.875 2020 11 10.501 0.203 299 2020.958 2020 12 10.776 0.188 232 2021.042 2021 1 10.716 0.189 235 2021.125 2021 2 10.813 0.151 213 2021.208 2021 3 11.016 0.160 290 2021.292 2021 4 11.151 0.112 263 2021.375 2021 5 10.946 0.207 301 2021.458 2021 6 10.591 0.182 265 2021.542 2021 7 10.318 0.219 252 2021.625 2021 8 9.826 0.108 300 2021.708 2021 9 9.658 0.129 259 2021.792 2021 10 10.057 0.169 229 2021.875 2021 11 10.677 0.204 264 2021.958 2021 12 11.276 0.192 195 2022.042 2022 1 11.533 0.161 283 2022.125 2022 2 11.366 0.197 57 2022.208 2022 3 11.482 0.127 267 2022.292 2022 4 11.530 0.138 228 2022.375 2022 5 11.364 0.100 263 2022.458 2022 6 11.105 0.088 59 2022.542 2022 7 10.423 0.206 118 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 9.897 0.176 66 2022.792 2022 10 9.992 0.113 124 2022.875 2022 11 10.900 0.086 26 2022.958 2022 12 11.001 0.148 220 2023.042 2023 1 11.027 0.181 130 2023.125 2023 2 11.315 0.204 261 2023.208 2023 3 11.420 0.154 315 2023.292 2023 4 11.483 0.174 247 2023.375 2023 5 11.394 0.228 125 2023.458 2023 6 10.841 0.255 254 2023.542 2023 7 10.116 0.178 261 2023.625 2023 8 9.830 0.122 219 2023.708 2023 9 9.932 0.084 203 2023.792 2023 10 10.131 0.223 264 2023.875 2023 11 10.723 0.303 260 2023.958 2023 12 11.406 0.199 286