# 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 1.291 0.011 203 2010.792 2010 10 1.290 0.012 330 2010.875 2010 11 1.296 0.013 331 2010.958 2010 12 1.303 0.018 102 2011.042 2011 1 1.296 0.018 281 2011.125 2011 2 1.300 0.016 131 2011.208 2011 3 1.313 0.019 331 2011.292 2011 4 1.317 0.019 318 2011.375 2011 5 1.320 0.017 291 2011.458 2011 6 1.327 0.012 295 2011.542 2011 7 1.337 0.013 307 2011.625 2011 8 1.337 0.011 321 2011.708 2011 9 1.344 0.012 316 2011.792 2011 10 1.348 0.013 309 2011.875 2011 11 1.349 0.014 301 2011.958 2011 12 1.360 0.014 199 2012.042 2012 1 1.360 0.012 286 2012.125 2012 2 1.367 0.016 206 2012.208 2012 3 1.367 0.014 305 2012.292 2012 4 1.368 0.012 195 2012.375 2012 5 1.364 0.012 308 2012.458 2012 6 1.362 0.009 144 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 1.397 0.015 276 2012.792 2012 10 1.403 0.016 313 2012.875 2012 11 1.405 0.013 191 2012.958 2012 12 1.405 0.019 271 2013.042 2013 1 1.406 0.020 324 2013.125 2013 2 1.403 0.021 272 2013.208 2013 3 1.412 0.016 289 2013.292 2013 4 1.409 0.014 315 2013.375 2013 5 1.418 0.013 286 2013.458 2013 6 1.427 0.016 259 2013.542 2013 7 1.421 0.013 177 2013.625 2013 8 1.433 0.013 309 2013.708 2013 9 1.440 0.011 182 2013.792 2013 10 1.444 0.011 325 2013.875 2013 11 1.448 0.011 271 2013.958 2013 12 1.447 0.012 264 2014.042 2014 1 1.443 0.011 230 2014.125 2014 2 1.454 0.015 259 2014.208 2014 3 1.452 0.012 335 2014.292 2014 4 1.458 0.015 94 2014.375 2014 5 1.469 0.014 208 2014.458 2014 6 1.476 0.014 315 2014.542 2014 7 1.482 0.014 293 2014.625 2014 8 1.486 0.013 256 2014.708 2014 9 1.487 0.013 315 2014.792 2014 10 1.493 0.015 218 2014.875 2014 11 1.481 0.012 255 2014.958 2014 12 1.483 0.016 307 2015.042 2015 1 1.495 0.012 247 2015.125 2015 2 1.496 0.014 239 2015.208 2015 3 1.496 0.013 202 2015.292 2015 4 1.506 0.013 325 2015.375 2015 5 1.515 0.011 207 2015.458 2015 6 1.529 0.012 167 2015.542 2015 7 1.541 0.011 329 2015.625 2015 8 1.542 0.013 302 2015.708 2015 9 1.555 0.013 157 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 1.561 0.016 235 2016.292 2016 4 1.573 0.016 121 2016.375 2016 5 1.576 0.015 231 2016.458 2016 6 1.580 0.016 167 2016.542 2016 7 1.595 0.019 254 2016.625 2016 8 1.602 0.020 305 2016.708 2016 9 1.602 0.021 254 2016.792 2016 10 1.614 0.019 189 2016.875 2016 11 1.628 0.014 215 2016.958 2016 12 1.639 0.015 140 2017.042 2017 1 1.635 0.014 219 2017.125 2017 2 1.632 0.015 193 2017.208 2017 3 1.638 0.013 219 2017.292 2017 4 1.638 0.013 146 2017.375 2017 5 1.650 0.014 214 2017.458 2017 6 1.661 0.013 204 2017.542 2017 7 1.664 0.015 68 2017.625 2017 8 1.666 0.017 218 2017.708 2017 9 1.674 0.017 212 2017.792 2017 10 1.683 0.018 244 2017.875 2017 11 1.697 0.016 183 2017.958 2017 12 1.703 0.017 205 2018.042 2018 1 1.696 0.018 138 2018.125 2018 2 1.700 0.015 200 2018.208 2018 3 1.708 0.015 196 2018.292 2018 4 1.722 0.013 195 2018.375 2018 5 1.724 0.013 267 2018.458 2018 6 1.732 0.018 216 2018.542 2018 7 1.740 0.016 263 2018.625 2018 8 1.742 0.016 186 2018.708 2018 9 1.742 0.017 184 2018.792 2018 10 1.744 0.017 221 2018.875 2018 11 1.757 0.019 155 2018.958 2018 12 1.769 0.017 221 2019.042 2019 1 1.769 0.018 216 2019.125 2019 2 1.774 0.019 204 2019.208 2019 3 1.774 0.017 209 2019.292 2019 4 1.781 0.016 192 2019.375 2019 5 1.788 0.016 223 2019.458 2019 6 1.795 0.018 139 2019.542 2019 7 1.802 0.015 179 2019.625 2019 8 1.806 0.018 191 2019.708 2019 9 1.809 0.016 195 2019.792 2019 10 1.816 0.018 181 2019.875 2019 11 1.832 0.020 136 2019.958 2019 12 1.841 0.017 177 2020.042 2020 1 1.844 0.018 197 2020.125 2020 2 1.834 0.018 195 2020.208 2020 3 1.822 0.018 126 2020.292 2020 4 1.837 0.018 177 2020.375 2020 5 1.847 0.022 223 2020.458 2020 6 1.853 0.029 209 2020.542 2020 7 1.878 0.031 34 2020.625 2020 8 1.879 0.033 161 2020.708 2020 9 1.883 0.028 183 2020.792 2020 10 1.899 0.027 298 2020.875 2020 11 1.908 0.025 298 2020.958 2020 12 1.917 0.025 252 2021.042 2021 1 1.922 0.028 234 2021.125 2021 2 1.926 0.033 219 2021.208 2021 3 1.925 0.032 303 2021.292 2021 4 1.934 0.024 270 2021.375 2021 5 1.942 0.026 303 2021.458 2021 6 1.951 0.029 268 2021.542 2021 7 1.961 0.021 282 2021.625 2021 8 1.961 0.021 303 2021.708 2021 9 1.965 0.021 301 2021.792 2021 10 1.977 0.021 272 2021.875 2021 11 1.976 0.023 269 2021.958 2021 12 1.997 0.021 284 2022.042 2022 1 1.983 0.019 308 2022.125 2022 2 1.988 0.017 57 2022.208 2022 3 1.994 0.024 281 2022.292 2022 4 2.019 0.020 239 2022.375 2022 5 2.030 0.022 262 2022.458 2022 6 2.040 0.022 59 2022.542 2022 7 2.051 0.024 130 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 2.062 0.027 65 2022.792 2022 10 2.065 0.025 127 2022.875 2022 11 2.085 0.024 47 2022.958 2022 12 2.085 0.026 232 2023.042 2023 1 2.110 0.029 139 2023.125 2023 2 2.124 0.025 281 2023.208 2023 3 2.129 0.024 315 2023.292 2023 4 2.142 0.024 288 2023.375 2023 5 2.153 0.025 127 2023.458 2023 6 2.153 0.024 296 2023.542 2023 7 2.166 0.024 281 2023.625 2023 8 2.176 0.022 308 2023.708 2023 9 2.170 0.021 255 2023.792 2023 10 2.184 0.023 270 2023.875 2023 11 2.212 0.023 304 2023.958 2023 12 2.227 0.027 306