# 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 0.094 0.011 272 2010.792 2010 10 0.093 0.010 328 2010.875 2010 11 0.095 0.012 328 2010.958 2010 12 0.096 0.013 163 2011.042 2011 1 0.097 0.013 278 2011.125 2011 2 0.098 0.015 141 2011.208 2011 3 0.099 0.014 327 2011.292 2011 4 0.105 0.015 315 2011.375 2011 5 0.100 0.014 282 2011.458 2011 6 0.099 0.010 279 2011.542 2011 7 0.104 0.009 297 2011.625 2011 8 0.105 0.007 317 2011.708 2011 9 0.106 0.006 317 2011.792 2011 10 0.106 0.007 310 2011.875 2011 11 0.106 0.007 297 2011.958 2011 12 0.109 0.008 277 2012.042 2012 1 0.109 0.005 320 2012.125 2012 2 0.110 0.006 202 2012.208 2012 3 0.111 0.006 304 2012.292 2012 4 0.111 0.006 187 2012.375 2012 5 0.111 0.006 294 2012.458 2012 6 0.112 0.005 148 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 0.117 0.008 277 2012.792 2012 10 0.120 0.008 314 2012.875 2012 11 0.122 0.009 192 2012.958 2012 12 0.120 0.010 286 2013.042 2013 1 0.120 0.011 325 2013.125 2013 2 0.122 0.013 267 2013.208 2013 3 0.122 0.008 297 2013.292 2013 4 0.124 0.006 318 2013.375 2013 5 0.125 0.006 292 2013.458 2013 6 0.126 0.007 55 2013.542 2013 7 NaN NaN 0 2013.625 2013 8 0.125 0.009 86 2013.708 2013 9 0.127 0.007 184 2013.792 2013 10 0.128 0.007 326 2013.875 2013 11 0.129 0.007 272 2013.958 2013 12 0.130 0.006 263 2014.042 2014 1 0.131 0.006 232 2014.125 2014 2 0.133 0.006 300 2014.208 2014 3 0.135 0.007 335 2014.292 2014 4 0.135 0.007 220 2014.375 2014 5 0.138 0.009 238 2014.458 2014 6 0.139 0.008 315 2014.542 2014 7 0.141 0.008 294 2014.625 2014 8 0.143 0.008 256 2014.708 2014 9 0.143 0.008 314 2014.792 2014 10 0.143 0.010 239 2014.875 2014 11 0.144 0.006 273 2014.958 2014 12 0.142 0.006 312 2015.042 2015 1 0.143 0.006 253 2015.125 2015 2 0.143 0.006 244 2015.208 2015 3 0.144 0.007 200 2015.292 2015 4 0.145 0.006 325 2015.375 2015 5 0.146 0.006 207 2015.458 2015 6 0.147 0.007 168 2015.542 2015 7 0.150 0.007 329 2015.625 2015 8 0.151 0.007 300 2015.708 2015 9 0.151 0.007 156 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 0.156 0.009 236 2016.292 2016 4 0.157 0.010 121 2016.375 2016 5 0.160 0.009 233 2016.458 2016 6 0.158 0.009 165 2016.542 2016 7 0.161 0.009 253 2016.625 2016 8 0.160 0.011 304 2016.708 2016 9 0.161 0.012 250 2016.792 2016 10 0.163 0.008 192 2016.875 2016 11 0.166 0.008 233 2016.958 2016 12 0.167 0.008 141 2017.042 2017 1 0.168 0.006 222 2017.125 2017 2 0.167 0.006 194 2017.208 2017 3 0.169 0.008 215 2017.292 2017 4 0.170 0.009 170 2017.375 2017 5 0.170 0.007 215 2017.458 2017 6 0.173 0.008 207 2017.542 2017 7 0.174 0.008 70 2017.625 2017 8 0.176 0.010 219 2017.708 2017 9 0.178 0.009 220 2017.792 2017 10 0.179 0.007 246 2017.875 2017 11 0.179 0.007 184 2017.958 2017 12 0.180 0.008 210 2018.042 2018 1 0.181 0.007 138 2018.125 2018 2 0.181 0.007 200 2018.208 2018 3 0.185 0.007 196 2018.292 2018 4 0.187 0.009 195 2018.375 2018 5 0.189 0.009 267 2018.458 2018 6 0.186 0.010 227 2018.542 2018 7 0.186 0.007 263 2018.625 2018 8 0.186 0.008 187 2018.708 2018 9 0.187 0.008 186 2018.792 2018 10 0.190 0.008 217 2018.875 2018 11 0.192 0.008 156 2018.958 2018 12 0.195 0.009 221 2019.042 2019 1 0.197 0.010 220 2019.125 2019 2 0.202 0.010 208 2019.208 2019 3 0.202 0.010 210 2019.292 2019 4 0.205 0.009 188 2019.375 2019 5 0.203 0.008 223 2019.458 2019 6 0.204 0.010 139 2019.542 2019 7 0.205 0.009 179 2019.625 2019 8 0.206 0.010 191 2019.708 2019 9 0.208 0.011 190 2019.792 2019 10 0.208 0.008 182 2019.875 2019 11 0.211 0.009 167 2019.958 2019 12 0.212 0.008 215 2020.042 2020 1 0.213 0.009 197 2020.125 2020 2 0.215 0.011 175 2020.208 2020 3 0.212 0.010 116 2020.292 2020 4 0.215 0.013 186 2020.375 2020 5 0.216 0.016 161 2020.458 2020 6 NaN NaN 0 2020.542 2020 7 NaN NaN 0 2020.625 2020 8 0.221 0.009 63 2020.708 2020 9 0.222 0.012 183 2020.792 2020 10 0.224 0.013 295 2020.875 2020 11 0.224 0.012 296 2020.958 2020 12 0.223 0.011 252 2021.042 2021 1 0.223 0.011 243 2021.125 2021 2 0.224 0.013 219 2021.208 2021 3 0.223 0.012 303 2021.292 2021 4 0.224 0.012 267 2021.375 2021 5 0.225 0.011 305 2021.458 2021 6 0.226 0.011 267 2021.542 2021 7 0.226 0.009 283 2021.625 2021 8 0.226 0.009 303 2021.708 2021 9 0.227 0.008 302 2021.792 2021 10 0.229 0.009 274 2021.875 2021 11 0.228 0.011 270 2021.958 2021 12 0.238 0.012 280 2022.042 2022 1 0.236 0.009 307 2022.125 2022 2 0.236 0.010 55 2022.208 2022 3 0.241 0.011 281 2022.292 2022 4 0.241 0.011 237 2022.375 2022 5 0.241 0.009 263 2022.458 2022 6 0.242 0.008 61 2022.542 2022 7 0.244 0.011 128 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 0.249 0.012 66 2022.792 2022 10 0.246 0.011 126 2022.875 2022 11 0.253 0.008 46 2022.958 2022 12 0.250 0.010 233 2023.042 2023 1 0.255 0.010 140 2023.125 2023 2 0.255 0.010 282 2023.208 2023 3 0.257 0.010 314 2023.292 2023 4 0.261 0.010 288 2023.375 2023 5 0.263 0.009 128 2023.458 2023 6 0.264 0.009 295 2023.542 2023 7 0.265 0.009 286 2023.625 2023 8 0.263 0.009 306 2023.708 2023 9 0.265 0.010 258 2023.792 2023 10 0.264 0.009 271 2023.875 2023 11 0.266 0.009 304 2023.958 2023 12 0.266 0.008 307