# 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 1.585 0.042 276 2010.792 2010 10 1.635 0.037 328 2010.875 2010 11 1.654 0.039 285 2010.958 2010 12 1.723 0.053 155 2011.042 2011 1 1.724 0.048 282 2011.125 2011 2 1.740 0.050 144 2011.208 2011 3 1.737 0.047 328 2011.292 2011 4 1.756 0.048 310 2011.375 2011 5 1.780 0.044 289 2011.458 2011 6 1.785 0.034 285 2011.542 2011 7 1.797 0.032 293 2011.625 2011 8 1.794 0.026 318 2011.708 2011 9 1.816 0.024 308 2011.792 2011 10 1.830 0.034 295 2011.875 2011 11 1.885 0.040 278 2011.958 2011 12 1.931 0.035 286 2012.042 2012 1 1.938 0.035 324 2012.125 2012 2 1.948 0.028 193 2012.208 2012 3 1.942 0.024 306 2012.292 2012 4 1.939 0.022 192 2012.375 2012 5 1.931 0.024 305 2012.458 2012 6 1.936 0.021 147 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 1.986 0.034 277 2012.792 2012 10 2.039 0.035 314 2012.875 2012 11 2.056 0.032 192 2012.958 2012 12 2.105 0.046 289 2013.042 2013 1 2.120 0.045 326 2013.125 2013 2 2.134 0.044 275 2013.208 2013 3 2.147 0.034 292 2013.292 2013 4 2.169 0.026 317 2013.375 2013 5 2.221 0.026 293 2013.458 2013 6 2.191 0.041 258 2013.542 2013 7 2.168 0.035 243 2013.625 2013 8 2.177 0.034 306 2013.708 2013 9 2.185 0.027 184 2013.792 2013 10 2.223 0.035 324 2013.875 2013 11 2.278 0.029 272 2013.958 2013 12 2.324 0.029 265 2014.042 2014 1 2.307 0.026 228 2014.125 2014 2 2.337 0.033 274 2014.208 2014 3 2.344 0.028 330 2014.292 2014 4 2.336 0.042 215 2014.375 2014 5 2.359 0.035 242 2014.458 2014 6 2.376 0.032 313 2014.542 2014 7 2.384 0.035 291 2014.625 2014 8 2.375 0.028 255 2014.708 2014 9 2.388 0.032 307 2014.792 2014 10 2.423 0.037 242 2014.875 2014 11 2.491 0.041 241 2014.958 2014 12 2.507 0.027 312 2015.042 2015 1 2.505 0.033 245 2015.125 2015 2 2.496 0.028 234 2015.208 2015 3 2.510 0.030 200 2015.292 2015 4 2.519 0.028 323 2015.375 2015 5 2.534 0.029 207 2015.458 2015 6 2.557 0.026 168 2015.542 2015 7 2.548 0.025 327 2015.625 2015 8 2.574 0.031 298 2015.708 2015 9 2.578 0.036 150 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 2.742 0.045 233 2016.292 2016 4 2.751 0.045 121 2016.375 2016 5 2.763 0.035 231 2016.458 2016 6 2.752 0.047 165 2016.542 2016 7 2.778 0.038 256 2016.625 2016 8 2.770 0.041 304 2016.708 2016 9 2.768 0.048 253 2016.792 2016 10 2.855 0.059 165 2016.875 2016 11 2.910 0.034 223 2016.958 2016 12 2.942 0.042 138 2017.042 2017 1 2.958 0.027 217 2017.125 2017 2 2.965 0.031 175 2017.208 2017 3 2.990 0.031 216 2017.292 2017 4 2.988 0.027 164 2017.375 2017 5 2.994 0.029 214 2017.458 2017 6 3.010 0.027 207 2017.542 2017 7 3.015 0.036 70 2017.625 2017 8 3.028 0.031 217 2017.708 2017 9 3.038 0.040 190 2017.792 2017 10 3.085 0.037 239 2017.875 2017 11 3.160 0.037 186 2017.958 2017 12 3.185 0.037 198 2018.042 2018 1 3.158 0.034 136 2018.125 2018 2 3.172 0.031 186 2018.208 2018 3 3.187 0.028 195 2018.292 2018 4 3.208 0.034 195 2018.375 2018 5 3.230 0.029 261 2018.458 2018 6 3.232 0.038 225 2018.542 2018 7 3.249 0.034 253 2018.625 2018 8 3.216 0.036 186 2018.708 2018 9 3.226 0.034 186 2018.792 2018 10 3.300 0.044 212 2018.875 2018 11 3.382 0.042 145 2018.958 2018 12 3.424 0.037 217 2019.042 2019 1 3.433 0.034 220 2019.125 2019 2 3.422 0.036 208 2019.208 2019 3 3.438 0.039 209 2019.292 2019 4 3.488 0.040 186 2019.375 2019 5 3.480 0.032 222 2019.458 2019 6 3.528 0.051 136 2019.542 2019 7 3.528 0.037 179 2019.625 2019 8 3.529 0.044 191 2019.708 2019 9 3.576 0.042 190 2019.792 2019 10 3.597 0.036 181 2019.875 2019 11 3.677 0.051 178 2019.958 2019 12 3.664 0.044 215 2020.042 2020 1 3.655 0.044 197 2020.125 2020 2 3.644 0.068 196 2020.208 2020 3 3.686 0.064 125 2020.292 2020 4 3.700 0.072 190 2020.375 2020 5 3.683 0.086 204 2020.458 2020 6 NaN NaN 0 2020.542 2020 7 NaN NaN 0 2020.625 2020 8 3.670 0.052 65 2020.708 2020 9 3.724 0.070 172 2020.792 2020 10 3.755 0.070 296 2020.875 2020 11 3.805 0.069 296 2020.958 2020 12 3.812 0.069 251 2021.042 2021 1 3.795 0.061 242 2021.125 2021 2 3.788 0.067 223 2021.208 2021 3 3.788 0.061 301 2021.292 2021 4 3.794 0.054 268 2021.375 2021 5 3.806 0.055 306 2021.458 2021 6 3.809 0.057 269 2021.542 2021 7 3.831 0.047 279 2021.625 2021 8 3.806 0.043 302 2021.708 2021 9 3.799 0.038 300 2021.792 2021 10 3.832 0.041 272 2021.875 2021 11 3.875 0.049 271 2021.958 2021 12 3.980 0.049 283 2022.042 2022 1 3.922 0.056 304 2022.125 2022 2 3.851 0.037 57 2022.208 2022 3 3.921 0.051 285 2022.292 2022 4 3.958 0.045 239 2022.375 2022 5 3.958 0.048 264 2022.458 2022 6 3.942 0.056 61 2022.542 2022 7 3.956 0.050 129 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 3.936 0.043 64 2022.792 2022 10 3.928 0.049 125 2022.875 2022 11 4.011 0.038 38 2022.958 2022 12 4.028 0.046 232 2023.042 2023 1 4.023 0.046 140 2023.125 2023 2 4.036 0.045 283 2023.208 2023 3 4.020 0.040 315 2023.292 2023 4 4.050 0.045 289 2023.375 2023 5 4.075 0.042 127 2023.458 2023 6 4.067 0.044 290 2023.542 2023 7 4.053 0.044 281 2023.625 2023 8 4.062 0.046 304 2023.708 2023 9 4.069 0.041 256 2023.792 2023 10 4.075 0.044 269 2023.875 2023 11 4.146 0.052 303 2023.958 2023 12 4.189 0.038 305