# 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 0.736 0.027 264 2010.792 2010 10 0.749 0.024 305 2010.875 2010 11 0.764 0.022 329 2010.958 2010 12 0.766 0.029 144 2011.042 2011 1 0.764 0.027 276 2011.125 2011 2 0.761 0.029 124 2011.208 2011 3 0.759 0.026 327 2011.292 2011 4 0.758 0.026 308 2011.375 2011 5 0.771 0.027 285 2011.458 2011 6 0.782 0.019 300 2011.542 2011 7 0.773 0.019 305 2011.625 2011 8 0.775 0.017 324 2011.708 2011 9 0.798 0.020 306 2011.792 2011 10 0.812 0.021 289 2011.875 2011 11 0.833 0.020 289 2011.958 2011 12 0.865 0.022 124 2012.042 2012 1 0.847 0.027 296 2012.125 2012 2 0.842 0.022 208 2012.208 2012 3 0.842 0.020 290 2012.292 2012 4 0.844 0.017 204 2012.375 2012 5 0.852 0.016 318 2012.458 2012 6 0.853 0.016 149 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 0.879 0.022 277 2012.792 2012 10 0.905 0.027 295 2012.875 2012 11 0.916 0.024 190 2012.958 2012 12 0.920 0.031 267 2013.042 2013 1 0.902 0.028 320 2013.125 2013 2 0.900 0.030 266 2013.208 2013 3 0.896 0.021 290 2013.292 2013 4 0.905 0.016 317 2013.375 2013 5 0.918 0.018 293 2013.458 2013 6 0.915 0.025 252 2013.542 2013 7 0.912 0.028 145 2013.625 2013 8 0.919 0.021 295 2013.708 2013 9 0.920 0.023 184 2013.792 2013 10 0.934 0.021 325 2013.875 2013 11 0.955 0.024 271 2013.958 2013 12 0.978 0.026 251 2014.042 2014 1 0.983 0.026 229 2014.125 2014 2 1.012 0.033 251 2014.208 2014 3 1.011 0.027 327 2014.292 2014 4 0.991 0.026 221 2014.375 2014 5 1.005 0.020 243 2014.458 2014 6 1.013 0.021 311 2014.542 2014 7 1.010 0.023 286 2014.625 2014 8 1.000 0.020 256 2014.708 2014 9 1.022 0.021 308 2014.792 2014 10 1.032 0.024 247 2014.875 2014 11 1.057 0.021 247 2014.958 2014 12 1.067 0.016 311 2015.042 2015 1 1.065 0.020 235 2015.125 2015 2 1.065 0.019 222 2015.208 2015 3 1.070 0.016 193 2015.292 2015 4 1.064 0.016 325 2015.375 2015 5 1.070 0.017 206 2015.458 2015 6 1.087 0.017 166 2015.542 2015 7 1.084 0.017 329 2015.625 2015 8 1.106 0.020 278 2015.708 2015 9 1.110 0.021 140 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 1.179 0.026 233 2016.292 2016 4 1.173 0.020 120 2016.375 2016 5 1.199 0.024 218 2016.458 2016 6 1.187 0.022 167 2016.542 2016 7 1.188 0.028 246 2016.625 2016 8 1.176 0.028 301 2016.708 2016 9 1.180 0.030 246 2016.792 2016 10 1.219 0.036 154 2016.875 2016 11 1.235 0.028 186 2016.958 2016 12 1.236 0.027 147 2017.042 2017 1 1.237 0.022 223 2017.125 2017 2 1.223 0.026 183 2017.208 2017 3 1.232 0.024 218 2017.292 2017 4 1.222 0.021 167 2017.375 2017 5 1.215 0.024 213 2017.458 2017 6 1.216 0.022 205 2017.542 2017 7 1.221 0.026 70 2017.625 2017 8 1.224 0.023 218 2017.708 2017 9 1.229 0.029 182 2017.792 2017 10 1.265 0.029 237 2017.875 2017 11 1.289 0.029 185 2017.958 2017 12 1.299 0.030 198 2018.042 2018 1 1.276 0.026 137 2018.125 2018 2 1.271 0.024 194 2018.208 2018 3 1.273 0.020 195 2018.292 2018 4 1.289 0.020 194 2018.375 2018 5 1.285 0.022 259 2018.458 2018 6 1.278 0.027 226 2018.542 2018 7 1.273 0.025 261 2018.625 2018 8 1.258 0.025 186 2018.708 2018 9 1.261 0.023 188 2018.792 2018 10 1.295 0.030 198 2018.875 2018 11 1.319 0.027 144 2018.958 2018 12 1.326 0.031 204 2019.042 2019 1 1.324 0.027 217 2019.125 2019 2 1.305 0.028 203 2019.208 2019 3 1.308 0.027 222 2019.292 2019 4 1.320 0.031 187 2019.375 2019 5 1.302 0.022 222 2019.458 2019 6 1.307 0.025 139 2019.542 2019 7 1.308 0.024 177 2019.625 2019 8 1.300 0.027 178 2019.708 2019 9 1.302 0.028 176 2019.792 2019 10 1.305 0.025 182 2019.875 2019 11 1.343 0.031 120 2019.958 2019 12 1.346 0.030 177 2020.042 2020 1 1.327 0.027 195 2020.125 2020 2 1.322 0.030 190 2020.208 2020 3 1.324 0.028 126 2020.292 2020 4 1.318 0.028 190 2020.375 2020 5 1.310 0.034 220 2020.458 2020 6 1.307 0.035 208 2020.542 2020 7 1.294 0.042 71 2020.625 2020 8 1.279 0.038 161 2020.708 2020 9 1.288 0.035 178 2020.792 2020 10 1.305 0.037 291 2020.875 2020 11 1.328 0.038 283 2020.958 2020 12 1.347 0.035 246 2021.042 2021 1 1.327 0.037 241 2021.125 2021 2 1.328 0.040 223 2021.208 2021 3 1.325 0.040 300 2021.292 2021 4 1.323 0.033 268 2021.375 2021 5 1.329 0.034 306 2021.458 2021 6 1.334 0.040 267 2021.542 2021 7 1.329 0.031 283 2021.625 2021 8 1.322 0.032 303 2021.708 2021 9 1.320 0.028 303 2021.792 2021 10 1.330 0.030 267 2021.875 2021 11 1.331 0.031 271 2021.958 2021 12 1.360 0.034 269 2022.042 2022 1 1.354 0.028 309 2022.125 2022 2 1.348 0.032 57 2022.208 2022 3 1.364 0.032 277 2022.292 2022 4 1.363 0.030 239 2022.375 2022 5 1.363 0.029 262 2022.458 2022 6 1.360 0.031 61 2022.542 2022 7 1.354 0.034 130 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 1.344 0.038 64 2022.792 2022 10 1.347 0.036 125 2022.875 2022 11 1.366 0.031 46 2022.958 2022 12 1.346 0.033 233 2023.042 2023 1 1.349 0.032 139 2023.125 2023 2 1.347 0.030 283 2023.208 2023 3 1.338 0.028 315 2023.292 2023 4 1.336 0.028 288 2023.375 2023 5 1.328 0.025 128 2023.458 2023 6 1.321 0.026 295 2023.542 2023 7 1.301 0.026 283 2023.625 2023 8 1.293 0.027 308 2023.708 2023 9 1.289 0.026 258 2023.792 2023 10 1.297 0.029 270 2023.875 2023 11 1.293 0.028 304 2023.958 2023 12 1.307 0.024 307