# 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 3.057 0.033 276 2010.792 2010 10 3.067 0.037 330 2010.875 2010 11 3.075 0.040 331 2010.958 2010 12 3.065 0.049 165 2011.042 2011 1 3.068 0.047 278 2011.125 2011 2 3.056 0.047 146 2011.208 2011 3 3.056 0.045 330 2011.292 2011 4 3.060 0.048 320 2011.375 2011 5 3.074 0.049 289 2011.458 2011 6 3.081 0.036 273 2011.542 2011 7 3.081 0.032 297 2011.625 2011 8 3.078 0.030 319 2011.708 2011 9 3.084 0.027 316 2011.792 2011 10 3.089 0.028 311 2011.875 2011 11 3.093 0.032 294 2011.958 2011 12 3.106 0.038 274 2012.042 2012 1 3.097 0.028 316 2012.125 2012 2 3.101 0.032 201 2012.208 2012 3 3.102 0.030 308 2012.292 2012 4 3.096 0.030 186 2012.375 2012 5 3.093 0.031 316 2012.458 2012 6 3.098 0.025 146 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 3.119 0.025 217 2013.292 2013 4 3.126 0.033 319 2013.375 2013 5 3.140 0.039 291 2013.458 2013 6 3.132 0.045 255 2013.542 2013 7 3.114 0.033 236 2013.625 2013 8 3.118 0.025 309 2013.708 2013 9 3.127 0.028 182 2013.792 2013 10 3.138 0.026 324 2013.875 2013 11 3.143 0.025 271 2013.958 2013 12 3.145 0.028 265 2014.042 2014 1 3.138 0.026 231 2014.125 2014 2 3.157 0.031 249 2014.208 2014 3 3.157 0.029 333 2014.292 2014 4 3.159 0.024 97 2014.375 2014 5 3.158 0.034 211 2014.458 2014 6 3.157 0.029 315 2014.542 2014 7 3.158 0.030 292 2014.625 2014 8 3.157 0.030 255 2014.708 2014 9 3.157 0.031 314 2014.792 2014 10 3.155 0.034 233 2014.875 2014 11 3.153 0.023 269 2014.958 2014 12 3.161 0.024 312 2015.042 2015 1 3.162 0.028 254 2015.125 2015 2 3.171 0.026 243 2015.208 2015 3 3.167 0.026 196 2015.292 2015 4 3.172 0.026 320 2015.375 2015 5 3.159 0.025 206 2015.458 2015 6 3.168 0.025 167 2015.542 2015 7 3.168 0.024 330 2015.625 2015 8 3.169 0.024 302 2015.708 2015 9 3.176 0.024 156 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 3.204 0.031 232 2016.292 2016 4 3.206 0.034 120 2016.375 2016 5 3.198 0.031 232 2016.458 2016 6 3.198 0.030 167 2016.542 2016 7 3.198 0.029 185 2016.625 2016 8 3.200 0.035 305 2016.708 2016 9 3.196 0.037 255 2016.792 2016 10 3.208 0.029 193 2016.875 2016 11 3.216 0.024 204 2016.958 2016 12 3.225 0.026 139 2017.042 2017 1 3.226 0.021 223 2017.125 2017 2 3.221 0.029 190 2017.208 2017 3 3.243 0.028 220 2017.292 2017 4 3.258 0.026 162 2017.375 2017 5 3.246 0.029 214 2017.458 2017 6 3.245 0.024 206 2017.542 2017 7 3.234 0.031 68 2017.625 2017 8 3.227 0.025 215 2017.708 2017 9 3.240 0.030 217 2017.792 2017 10 3.261 0.028 238 2017.875 2017 11 3.286 0.027 182 2017.958 2017 12 3.301 0.027 205 2018.042 2018 1 3.314 0.028 137 2018.125 2018 2 3.316 0.023 200 2018.208 2018 3 3.314 0.022 196 2018.292 2018 4 3.316 0.026 195 2018.375 2018 5 3.294 0.025 267 2018.458 2018 6 3.307 0.041 222 2018.542 2018 7 3.291 0.030 263 2018.625 2018 8 3.292 0.029 185 2018.708 2018 9 3.300 0.033 188 2018.792 2018 10 3.319 0.031 220 2018.875 2018 11 3.330 0.033 155 2018.958 2018 12 3.340 0.033 222 2019.042 2019 1 3.327 0.031 213 2019.125 2019 2 3.322 0.032 198 2019.208 2019 3 3.321 0.032 210 2019.292 2019 4 3.324 0.029 190 2019.375 2019 5 3.315 0.031 223 2019.458 2019 6 3.319 0.031 140 2019.542 2019 7 3.317 0.035 180 2019.625 2019 8 3.314 0.041 191 2019.708 2019 9 3.337 0.040 195 2019.792 2019 10 3.342 0.035 182 2019.875 2019 11 3.345 0.043 175 2019.958 2019 12 3.333 0.043 215 2020.042 2020 1 3.331 0.035 197 2020.125 2020 2 3.341 0.040 193 2020.208 2020 3 3.316 0.058 123 2020.292 2020 4 3.329 0.057 185 2020.375 2020 5 3.358 NaN 1 2020.458 2020 6 NaN NaN 0 2020.542 2020 7 NaN NaN 0 2020.625 2020 8 3.362 0.060 103 2020.708 2020 9 3.353 0.052 184 2020.792 2020 10 3.367 0.058 292 2020.875 2020 11 3.357 0.045 297 2020.958 2020 12 3.369 0.041 252 2021.042 2021 1 3.381 0.046 243 2021.125 2021 2 3.359 0.047 222 2021.208 2021 3 3.358 0.044 297 2021.292 2021 4 3.356 0.044 266 2021.375 2021 5 3.351 0.041 305 2021.458 2021 6 3.351 0.043 269 2021.542 2021 7 3.355 0.031 281 2021.625 2021 8 3.347 0.033 304 2021.708 2021 9 3.361 0.033 301 2021.792 2021 10 3.369 0.028 275 2021.875 2021 11 3.379 0.035 270 2021.958 2021 12 3.369 0.036 285 2022.042 2022 1 3.370 0.034 309 2022.125 2022 2 3.372 0.035 57 2022.208 2022 3 3.368 0.036 286 2022.292 2022 4 3.357 0.035 237 2022.375 2022 5 3.362 0.037 264 2022.458 2022 6 3.384 0.037 61 2022.542 2022 7 3.364 0.033 129 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 3.393 0.035 65 2022.792 2022 10 3.379 0.039 121 2022.875 2022 11 3.391 0.042 46 2022.958 2022 12 3.392 0.042 232 2023.042 2023 1 3.399 0.037 123 2023.125 2023 2 3.410 0.042 282 2023.208 2023 3 3.404 0.042 311 2023.292 2023 4 3.398 0.039 287 2023.375 2023 5 3.384 0.041 126 2023.458 2023 6 3.389 0.038 295 2023.542 2023 7 3.386 0.042 286 2023.625 2023 8 3.365 0.039 298 2023.708 2023 9 3.363 0.039 255 2023.792 2023 10 3.406 0.038 268 2023.875 2023 11 3.404 0.040 304 2023.958 2023 12 3.420 0.044 307