# 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 3.301 0.039 274 2010.792 2010 10 3.304 0.041 330 2010.875 2010 11 3.301 0.044 331 2010.958 2010 12 3.310 0.061 160 2011.042 2011 1 3.318 0.064 281 2011.125 2011 2 3.336 0.066 143 2011.208 2011 3 3.338 0.060 331 2011.292 2011 4 3.319 0.063 319 2011.375 2011 5 3.330 0.062 287 2011.458 2011 6 3.322 0.047 282 2011.542 2011 7 3.325 0.046 301 2011.625 2011 8 3.316 0.036 323 2011.708 2011 9 3.318 0.033 315 2011.792 2011 10 3.312 0.038 301 2011.875 2011 11 3.322 0.044 296 2011.958 2011 12 3.343 0.029 78 2012.042 2012 1 3.343 0.034 282 2012.125 2012 2 3.344 0.037 207 2012.208 2012 3 3.350 0.037 308 2012.292 2012 4 3.344 0.048 191 2012.375 2012 5 3.337 0.043 310 2012.458 2012 6 3.333 0.034 152 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 3.357 0.048 278 2012.792 2012 10 3.372 0.048 314 2012.875 2012 11 3.365 0.047 192 2012.958 2012 12 3.353 0.059 288 2013.042 2013 1 3.335 0.055 325 2013.125 2013 2 3.338 0.063 276 2013.208 2013 3 3.352 0.052 296 2013.292 2013 4 3.367 0.047 310 2013.375 2013 5 3.364 0.044 293 2013.458 2013 6 3.361 0.039 259 2013.542 2013 7 3.349 0.035 243 2013.625 2013 8 3.366 0.031 312 2013.708 2013 9 3.374 0.027 180 2013.792 2013 10 3.382 0.028 321 2013.875 2013 11 3.387 0.030 270 2013.958 2013 12 3.375 0.028 265 2014.042 2014 1 3.370 0.026 230 2014.125 2014 2 3.367 0.027 300 2014.208 2014 3 3.364 0.027 334 2014.292 2014 4 3.363 0.030 80 2014.375 2014 5 3.371 0.037 151 2014.458 2014 6 3.371 0.034 315 2014.542 2014 7 3.372 0.038 292 2014.625 2014 8 3.382 0.039 255 2014.708 2014 9 3.376 0.038 313 2014.792 2014 10 3.369 0.039 216 2014.875 2014 11 3.395 0.037 271 2014.958 2014 12 3.398 0.026 312 2015.042 2015 1 3.402 0.028 243 2015.125 2015 2 3.399 0.030 244 2015.208 2015 3 3.402 0.031 194 2015.292 2015 4 3.389 0.029 322 2015.375 2015 5 3.394 0.030 207 2015.458 2015 6 3.397 0.032 167 2015.542 2015 7 3.400 0.033 330 2015.625 2015 8 3.403 0.033 291 2015.708 2015 9 3.431 0.032 155 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 3.383 0.037 236 2016.292 2016 4 3.385 0.041 117 2016.375 2016 5 3.383 0.036 230 2016.458 2016 6 3.384 0.042 167 2016.542 2016 7 3.391 0.041 255 2016.625 2016 8 3.395 0.043 305 2016.708 2016 9 3.380 0.046 252 2016.792 2016 10 3.390 0.037 189 2016.875 2016 11 3.387 0.033 231 2016.958 2016 12 3.391 0.036 109 2017.042 2017 1 3.391 0.030 210 2017.125 2017 2 3.396 0.026 192 2017.208 2017 3 3.397 0.030 217 2017.292 2017 4 3.390 0.029 113 2017.375 2017 5 3.386 0.028 214 2017.458 2017 6 3.387 0.030 206 2017.542 2017 7 3.377 0.031 67 2017.625 2017 8 3.379 0.032 218 2017.708 2017 9 3.382 0.036 214 2017.792 2017 10 3.384 0.030 244 2017.875 2017 11 3.381 0.034 185 2017.958 2017 12 3.382 0.032 212 2018.042 2018 1 3.381 0.029 136 2018.125 2018 2 3.377 0.027 200 2018.208 2018 3 3.383 0.027 196 2018.292 2018 4 3.385 0.024 195 2018.375 2018 5 3.377 0.027 267 2018.458 2018 6 3.372 0.036 204 2018.542 2018 7 3.367 0.031 262 2018.625 2018 8 3.357 0.035 173 2018.708 2018 9 3.363 0.032 188 2018.792 2018 10 3.375 0.033 221 2018.875 2018 11 3.381 0.031 154 2018.958 2018 12 3.379 0.035 222 2019.042 2019 1 3.381 0.032 221 2019.125 2019 2 3.386 0.035 207 2019.208 2019 3 3.385 0.032 219 2019.292 2019 4 3.385 0.035 194 2019.375 2019 5 3.388 0.033 221 2019.458 2019 6 3.393 0.040 139 2019.542 2019 7 3.383 0.038 180 2019.625 2019 8 3.375 0.034 190 2019.708 2019 9 3.387 0.030 195 2019.792 2019 10 3.388 0.034 182 2019.875 2019 11 3.404 0.050 181 2019.958 2019 12 3.404 0.058 211 2020.042 2020 1 3.392 0.054 196 2020.125 2020 2 3.390 0.058 194 2020.208 2020 3 3.402 0.046 119 2020.292 2020 4 3.404 0.043 177 2020.375 2020 5 3.402 0.049 223 2020.458 2020 6 3.388 0.055 153 2020.542 2020 7 NaN NaN 0 2020.625 2020 8 3.385 0.066 153 2020.708 2020 9 3.390 0.048 184 2020.792 2020 10 3.388 0.056 295 2020.875 2020 11 3.380 0.052 298 2020.958 2020 12 3.382 0.049 251 2021.042 2021 1 3.380 0.044 243 2021.125 2021 2 3.372 0.051 221 2021.208 2021 3 3.396 0.052 303 2021.292 2021 4 3.412 0.048 269 2021.375 2021 5 3.410 0.048 305 2021.458 2021 6 3.404 0.050 270 2021.542 2021 7 3.390 0.034 282 2021.625 2021 8 3.386 0.034 303 2021.708 2021 9 3.391 0.036 302 2021.792 2021 10 3.408 0.038 272 2021.875 2021 11 3.413 0.039 271 2021.958 2021 12 3.396 0.041 269 2022.042 2022 1 3.406 0.035 285 2022.125 2022 2 NaN NaN 0 2022.208 2022 3 3.403 0.044 286 2022.292 2022 4 3.398 0.042 239 2022.375 2022 5 3.396 0.041 256 2022.458 2022 6 3.384 0.045 57 2022.542 2022 7 3.406 0.038 130 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 3.396 0.042 66 2022.792 2022 10 3.413 0.052 127 2022.875 2022 11 3.388 0.044 46 2022.958 2022 12 3.392 0.042 233 2023.042 2023 1 3.414 0.038 140 2023.125 2023 2 3.413 0.037 282 2023.208 2023 3 3.400 0.035 314 2023.292 2023 4 3.401 0.036 289 2023.375 2023 5 3.401 0.035 126 2023.458 2023 6 3.400 0.038 293 2023.542 2023 7 3.388 0.035 284 2023.625 2023 8 3.376 0.035 308 2023.708 2023 9 3.377 0.038 257 2023.792 2023 10 3.364 0.034 269 2023.875 2023 11 3.366 0.036 303 2023.958 2023 12 3.374 0.034 307