# 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 0.732 0.014 276 2010.792 2010 10 0.734 0.014 318 2010.875 2010 11 0.742 0.015 331 2010.958 2010 12 0.768 0.025 151 2011.042 2011 1 0.776 0.021 279 2011.125 2011 2 0.776 0.021 143 2011.208 2011 3 0.769 0.022 329 2011.292 2011 4 0.770 0.024 308 2011.375 2011 5 0.780 0.021 289 2011.458 2011 6 0.783 0.013 296 2011.542 2011 7 0.788 0.016 308 2011.625 2011 8 0.794 0.014 320 2011.708 2011 9 0.805 0.015 317 2011.792 2011 10 0.806 0.016 313 2011.875 2011 11 0.824 0.018 294 2011.958 2011 12 0.842 0.016 227 2012.042 2012 1 0.841 0.014 311 2012.125 2012 2 0.839 0.014 199 2012.208 2012 3 0.847 0.015 311 2012.292 2012 4 0.848 0.014 198 2012.375 2012 5 0.855 0.012 311 2012.458 2012 6 0.860 0.013 152 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 0.894 0.018 273 2012.792 2012 10 0.909 0.018 312 2012.875 2012 11 0.917 0.018 192 2012.958 2012 12 0.937 0.022 288 2013.042 2013 1 0.952 0.019 328 2013.125 2013 2 0.957 0.021 274 2013.208 2013 3 0.962 0.016 291 2013.292 2013 4 0.976 0.013 316 2013.375 2013 5 0.979 0.012 293 2013.458 2013 6 0.991 0.013 249 2013.542 2013 7 0.996 0.014 216 2013.625 2013 8 1.003 0.013 292 2013.708 2013 9 1.008 0.013 182 2013.792 2013 10 1.018 0.011 326 2013.875 2013 11 1.032 0.013 269 2013.958 2013 12 1.051 0.014 265 2014.042 2014 1 1.056 0.014 232 2014.125 2014 2 1.074 0.014 275 2014.208 2014 3 1.071 0.012 332 2014.292 2014 4 1.070 0.019 209 2014.375 2014 5 1.083 0.015 243 2014.458 2014 6 1.092 0.012 314 2014.542 2014 7 1.099 0.014 284 2014.625 2014 8 1.105 0.014 256 2014.708 2014 9 1.116 0.016 306 2014.792 2014 10 1.125 0.017 238 2014.875 2014 11 1.142 0.013 262 2014.958 2014 12 1.156 0.012 312 2015.042 2015 1 1.166 0.013 244 2015.125 2015 2 1.167 0.013 233 2015.208 2015 3 1.173 0.011 198 2015.292 2015 4 1.172 0.012 324 2015.375 2015 5 1.179 0.013 207 2015.458 2015 6 1.193 0.012 168 2015.542 2015 7 1.204 0.013 330 2015.625 2015 8 1.215 0.014 295 2015.708 2015 9 1.222 0.016 142 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 1.299 0.016 233 2016.292 2016 4 1.305 0.016 121 2016.375 2016 5 1.322 0.016 230 2016.458 2016 6 1.328 0.015 166 2016.542 2016 7 1.339 0.016 256 2016.625 2016 8 1.343 0.019 304 2016.708 2016 9 1.352 0.022 252 2016.792 2016 10 1.380 0.021 190 2016.875 2016 11 1.396 0.022 223 2016.958 2016 12 1.413 0.017 144 2017.042 2017 1 1.424 0.014 223 2017.125 2017 2 1.427 0.015 182 2017.208 2017 3 1.435 0.015 217 2017.292 2017 4 1.437 0.015 158 2017.375 2017 5 1.449 0.014 213 2017.458 2017 6 1.466 0.017 190 2017.542 2017 7 1.474 0.014 69 2017.625 2017 8 1.484 0.015 216 2017.708 2017 9 1.499 0.018 195 2017.792 2017 10 1.516 0.013 238 2017.875 2017 11 1.520 0.017 186 2017.958 2017 12 1.532 0.018 206 2018.042 2018 1 1.528 0.015 137 2018.125 2018 2 1.539 0.014 199 2018.208 2018 3 1.547 0.012 195 2018.292 2018 4 1.564 0.012 195 2018.375 2018 5 1.570 0.012 265 2018.458 2018 6 1.581 0.014 222 2018.542 2018 7 1.594 0.014 259 2018.625 2018 8 1.596 0.014 180 2018.708 2018 9 1.607 0.014 187 2018.792 2018 10 1.628 0.017 209 2018.875 2018 11 1.655 0.015 149 2018.958 2018 12 1.680 0.014 214 2019.042 2019 1 1.695 0.018 219 2019.125 2019 2 1.706 0.016 208 2019.208 2019 3 1.706 0.014 220 2019.292 2019 4 1.715 0.014 188 2019.375 2019 5 1.719 0.013 223 2019.458 2019 6 1.731 0.013 139 2019.542 2019 7 1.746 0.014 170 2019.625 2019 8 1.760 0.015 179 2019.708 2019 9 1.776 0.013 170 2019.792 2019 10 1.788 0.015 182 2019.875 2019 11 1.830 0.020 179 2019.958 2019 12 1.846 0.016 213 2020.042 2020 1 1.855 0.014 195 2020.125 2020 2 1.862 0.016 192 2020.208 2020 3 1.859 0.019 125 2020.292 2020 4 1.868 0.021 190 2020.375 2020 5 1.876 0.022 222 2020.458 2020 6 1.890 0.027 203 2020.542 2020 7 1.909 0.024 74 2020.625 2020 8 1.920 0.023 161 2020.708 2020 9 1.944 0.023 181 2020.792 2020 10 1.971 0.025 294 2020.875 2020 11 1.992 0.025 293 2020.958 2020 12 2.009 0.023 249 2021.042 2021 1 2.015 0.021 241 2021.125 2021 2 2.033 0.025 222 2021.208 2021 3 2.037 0.022 301 2021.292 2021 4 2.046 0.019 267 2021.375 2021 5 2.066 0.019 306 2021.458 2021 6 2.085 0.020 266 2021.542 2021 7 2.095 0.014 279 2021.625 2021 8 2.105 0.017 302 2021.708 2021 9 2.123 0.020 293 2021.792 2021 10 2.148 0.016 268 2021.875 2021 11 2.172 0.018 269 2021.958 2021 12 2.209 0.018 283 2022.042 2022 1 2.209 0.015 304 2022.125 2022 2 2.229 0.021 57 2022.208 2022 3 2.232 0.017 277 2022.292 2022 4 2.247 0.017 236 2022.375 2022 5 2.259 0.016 264 2022.458 2022 6 2.271 0.018 61 2022.542 2022 7 2.297 0.027 121 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 2.335 0.029 65 2022.792 2022 10 2.337 0.026 126 2022.875 2022 11 2.369 0.020 45 2022.958 2022 12 2.377 0.025 232 2023.042 2023 1 2.401 0.029 139 2023.125 2023 2 2.412 0.022 281 2023.208 2023 3 2.417 0.025 315 2023.292 2023 4 2.436 0.027 286 2023.375 2023 5 2.457 0.022 126 2023.458 2023 6 2.477 0.027 289 2023.542 2023 7 2.493 0.022 282 2023.625 2023 8 2.512 0.023 308 2023.708 2023 9 2.521 0.020 256 2023.792 2023 10 2.536 0.021 268 2023.875 2023 11 2.568 0.026 304 2023.958 2023 12 2.608 0.026 304