# 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 4.131 0.021 274 2010.792 2010 10 4.132 0.021 329 2010.875 2010 11 4.140 0.023 331 2010.958 2010 12 4.142 0.035 168 2011.042 2011 1 4.146 0.033 279 2011.125 2011 2 4.156 0.031 144 2011.208 2011 3 4.170 0.033 330 2011.292 2011 4 4.192 0.032 319 2011.375 2011 5 4.198 0.033 292 2011.458 2011 6 4.208 0.027 270 2011.542 2011 7 4.224 0.026 295 2011.625 2011 8 4.220 0.022 319 2011.708 2011 9 4.218 0.020 317 2011.792 2011 10 4.221 0.021 312 2011.875 2011 11 4.230 0.025 296 2011.958 2011 12 4.236 0.024 272 2012.042 2012 1 4.232 0.021 307 2012.125 2012 2 4.237 0.021 190 2012.208 2012 3 4.243 0.023 306 2012.292 2012 4 4.256 0.027 174 2012.375 2012 5 4.266 0.026 317 2012.458 2012 6 4.269 0.017 144 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 4.272 0.025 277 2012.792 2012 10 4.282 0.026 316 2012.875 2012 11 4.289 0.027 191 2012.958 2012 12 4.318 0.042 287 2013.042 2013 1 4.337 0.035 329 2013.125 2013 2 4.340 0.037 272 2013.208 2013 3 4.351 0.029 288 2013.292 2013 4 4.354 0.025 315 2013.375 2013 5 4.360 0.032 290 2013.458 2013 6 4.376 0.034 258 2013.542 2013 7 4.373 0.022 241 2013.625 2013 8 4.371 0.023 304 2013.708 2013 9 4.374 0.024 182 2013.792 2013 10 4.380 0.022 325 2013.875 2013 11 4.388 0.024 270 2013.958 2013 12 4.403 0.025 258 2014.042 2014 1 4.411 0.022 227 2014.125 2014 2 4.420 0.022 294 2014.208 2014 3 4.421 0.023 334 2014.292 2014 4 4.426 0.025 96 2014.375 2014 5 4.428 0.032 208 2014.458 2014 6 4.438 0.029 315 2014.542 2014 7 4.445 0.030 289 2014.625 2014 8 4.460 0.033 254 2014.708 2014 9 4.462 0.039 313 2014.792 2014 10 4.463 0.045 239 2014.875 2014 11 4.474 0.033 264 2014.958 2014 12 4.509 0.040 287 2015.042 2015 1 4.518 0.040 232 2015.125 2015 2 4.526 0.043 175 2015.208 2015 3 4.526 0.044 131 2015.292 2015 4 4.538 0.052 315 2015.375 2015 5 4.534 0.047 206 2015.458 2015 6 4.546 0.017 167 2015.542 2015 7 4.549 0.019 329 2015.625 2015 8 4.559 0.020 300 2015.708 2015 9 4.565 0.028 157 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 4.615 0.020 214 2016.292 2016 4 4.619 0.025 121 2016.375 2016 5 4.626 0.023 231 2016.458 2016 6 4.643 0.026 166 2016.542 2016 7 4.654 0.024 255 2016.625 2016 8 4.649 0.025 304 2016.708 2016 9 4.649 0.029 254 2016.792 2016 10 4.668 0.025 183 2016.875 2016 11 4.681 0.021 231 2016.958 2016 12 4.693 0.021 141 2017.042 2017 1 4.695 0.019 222 2017.125 2017 2 4.703 0.017 193 2017.208 2017 3 4.709 0.018 219 2017.292 2017 4 4.715 0.019 156 2017.375 2017 5 4.723 0.019 213 2017.458 2017 6 4.733 0.018 205 2017.542 2017 7 4.737 0.022 62 2017.625 2017 8 4.756 0.026 216 2017.708 2017 9 4.759 0.025 210 2017.792 2017 10 4.769 0.028 246 2017.875 2017 11 4.777 0.034 175 2017.958 2017 12 4.784 0.044 202 2018.042 2018 1 4.794 0.063 77 2018.125 2018 2 NaN NaN 0 2018.208 2018 3 4.791 0.015 100 2018.292 2018 4 4.797 0.017 193 2018.375 2018 5 4.808 0.019 265 2018.458 2018 6 4.812 0.021 211 2018.542 2018 7 4.818 0.019 262 2018.625 2018 8 4.822 0.028 164 2018.708 2018 9 4.819 0.020 188 2018.792 2018 10 4.833 0.030 136 2018.875 2018 11 4.851 0.020 147 2018.958 2018 12 4.863 0.020 223 2019.042 2019 1 4.870 0.021 220 2019.125 2019 2 4.885 0.024 207 2019.208 2019 3 4.881 0.021 210 2019.292 2019 4 4.894 0.021 191 2019.375 2019 5 4.900 0.021 223 2019.458 2019 6 4.909 0.022 139 2019.542 2019 7 4.918 0.024 177 2019.625 2019 8 4.915 0.025 190 2019.708 2019 9 4.932 0.019 195 2019.792 2019 10 4.938 0.020 182 2019.875 2019 11 4.928 0.023 122 2019.958 2019 12 4.936 0.030 148 2020.042 2020 1 4.947 0.037 193 2020.125 2020 2 4.952 0.026 192 2020.208 2020 3 4.980 0.036 123 2020.292 2020 4 4.989 0.037 176 2020.375 2020 5 4.990 0.043 222 2020.458 2020 6 5.001 0.051 207 2020.542 2020 7 NaN NaN 0 2020.625 2020 8 5.020 0.052 155 2020.708 2020 9 5.028 0.040 184 2020.792 2020 10 5.025 0.042 298 2020.875 2020 11 5.037 0.041 299 2020.958 2020 12 5.052 0.040 252 2021.042 2021 1 5.059 0.033 241 2021.125 2021 2 5.071 0.035 222 2021.208 2021 3 5.077 0.037 301 2021.292 2021 4 5.074 0.035 268 2021.375 2021 5 5.084 0.031 304 2021.458 2021 6 5.103 0.032 263 2021.542 2021 7 5.113 0.025 281 2021.625 2021 8 5.116 0.029 303 2021.708 2021 9 5.119 0.033 298 2021.792 2021 10 5.135 0.026 265 2021.875 2021 11 5.156 0.033 264 2021.958 2021 12 5.178 0.024 271 2022.042 2022 1 5.176 0.026 295 2022.125 2022 2 NaN NaN 0 2022.208 2022 3 5.184 0.028 280 2022.292 2022 4 5.203 0.022 235 2022.375 2022 5 5.206 0.024 263 2022.458 2022 6 5.221 0.025 60 2022.542 2022 7 5.223 0.023 130 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 5.241 0.030 62 2022.792 2022 10 5.247 0.029 115 2022.875 2022 11 5.263 0.030 47 2022.958 2022 12 5.259 0.032 232 2023.042 2023 1 5.264 0.031 117 2023.125 2023 2 5.272 0.030 282 2023.208 2023 3 5.271 0.030 314 2023.292 2023 4 5.291 0.047 279 2023.375 2023 5 5.291 0.045 124 2023.458 2023 6 5.301 0.030 295 2023.542 2023 7 5.304 0.030 284 2023.625 2023 8 5.316 0.033 282 2023.708 2023 9 5.312 0.032 258 2023.792 2023 10 5.308 0.023 3 2023.875 2023 11 5.319 0.033 304 2023.958 2023 12 5.341 0.035 301