# 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 0.464 0.007 274 2010.792 2010 10 0.464 0.007 329 2010.875 2010 11 0.465 0.009 329 2010.958 2010 12 0.466 0.009 161 2011.042 2011 1 0.466 0.009 281 2011.125 2011 2 0.463 0.009 144 2011.208 2011 3 0.463 0.008 329 2011.292 2011 4 0.461 0.008 313 2011.375 2011 5 0.459 0.009 291 2011.458 2011 6 0.458 0.007 280 2011.542 2011 7 0.454 0.007 288 2011.625 2011 8 0.454 0.007 305 2011.708 2011 9 0.453 0.007 308 2011.792 2011 10 0.456 0.007 308 2011.875 2011 11 0.457 0.007 296 2011.958 2011 12 0.462 0.008 274 2012.042 2012 1 0.454 0.006 320 2012.125 2012 2 0.455 0.007 199 2012.208 2012 3 0.456 0.007 295 2012.292 2012 4 0.453 0.006 191 2012.375 2012 5 0.450 0.006 310 2012.458 2012 6 0.447 0.005 148 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 0.450 0.006 278 2012.792 2012 10 0.452 0.007 311 2012.875 2012 11 0.453 0.007 192 2012.958 2012 12 0.448 0.010 277 2013.042 2013 1 0.447 0.009 328 2013.125 2013 2 0.447 0.010 253 2013.208 2013 3 0.446 0.007 290 2013.292 2013 4 0.446 0.005 318 2013.375 2013 5 0.444 0.006 293 2013.458 2013 6 0.444 0.007 257 2013.542 2013 7 0.438 0.007 178 2013.625 2013 8 0.440 0.007 312 2013.708 2013 9 0.438 0.006 184 2013.792 2013 10 0.437 0.005 323 2013.875 2013 11 0.438 0.006 271 2013.958 2013 12 0.437 0.006 262 2014.042 2014 1 0.435 0.006 231 2014.125 2014 2 0.438 0.006 286 2014.208 2014 3 0.438 0.007 335 2014.292 2014 4 0.438 0.008 216 2014.375 2014 5 0.438 0.005 242 2014.458 2014 6 0.435 0.005 315 2014.542 2014 7 0.434 0.006 292 2014.625 2014 8 0.433 0.006 256 2014.708 2014 9 0.433 0.005 315 2014.792 2014 10 0.435 0.006 243 2014.875 2014 11 0.431 0.005 273 2014.958 2014 12 0.433 0.004 311 2015.042 2015 1 0.431 0.004 253 2015.125 2015 2 0.430 0.004 243 2015.208 2015 3 0.431 0.005 198 2015.292 2015 4 0.432 0.005 325 2015.375 2015 5 0.430 0.004 207 2015.458 2015 6 0.427 0.004 166 2015.542 2015 7 0.426 0.004 327 2015.625 2015 8 0.425 0.005 303 2015.708 2015 9 0.428 0.005 157 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 0.426 0.005 236 2016.292 2016 4 0.427 0.006 121 2016.375 2016 5 0.425 0.005 229 2016.458 2016 6 0.423 0.006 166 2016.542 2016 7 0.422 0.006 257 2016.625 2016 8 0.417 0.005 303 2016.708 2016 9 0.417 0.006 254 2016.792 2016 10 0.419 0.005 189 2016.875 2016 11 0.419 0.004 223 2016.958 2016 12 0.420 0.004 147 2017.042 2017 1 0.419 0.003 223 2017.125 2017 2 0.415 0.004 191 2017.208 2017 3 0.417 0.004 215 2017.292 2017 4 0.415 0.004 167 2017.375 2017 5 0.415 0.004 214 2017.458 2017 6 0.414 0.004 207 2017.542 2017 7 0.412 0.004 69 2017.625 2017 8 0.411 0.004 216 2017.708 2017 9 0.412 0.005 211 2017.792 2017 10 0.413 0.005 237 2017.875 2017 11 0.414 0.005 184 2017.958 2017 12 0.414 0.005 204 2018.042 2018 1 0.411 0.005 138 2018.125 2018 2 0.410 0.004 200 2018.208 2018 3 0.410 0.004 196 2018.292 2018 4 0.410 0.004 195 2018.375 2018 5 0.409 0.004 267 2018.458 2018 6 0.409 0.004 223 2018.542 2018 7 0.406 0.004 262 2018.625 2018 8 0.405 0.005 184 2018.708 2018 9 0.405 0.005 186 2018.792 2018 10 0.406 0.004 220 2018.875 2018 11 0.408 0.004 155 2018.958 2018 12 0.408 0.005 211 2019.042 2019 1 0.409 0.005 221 2019.125 2019 2 0.408 0.005 206 2019.208 2019 3 0.407 0.005 222 2019.292 2019 4 0.407 0.004 193 2019.375 2019 5 0.408 0.004 223 2019.458 2019 6 0.406 0.005 139 2019.542 2019 7 0.404 0.005 178 2019.625 2019 8 0.403 0.005 190 2019.708 2019 9 0.404 0.005 188 2019.792 2019 10 0.404 0.005 181 2019.875 2019 11 0.407 0.005 184 2019.958 2019 12 0.406 0.006 212 2020.042 2020 1 0.404 0.005 196 2020.125 2020 2 0.403 0.007 192 2020.208 2020 3 0.399 0.008 125 2020.292 2020 4 0.398 0.008 190 2020.375 2020 5 0.398 0.008 223 2020.458 2020 6 0.397 0.009 148 2020.542 2020 7 NaN NaN 0 2020.625 2020 8 0.396 0.008 65 2020.708 2020 9 0.398 0.008 183 2020.792 2020 10 0.398 0.008 298 2020.875 2020 11 0.397 0.009 297 2020.958 2020 12 0.400 0.007 250 2021.042 2021 1 0.400 0.007 243 2021.125 2021 2 0.400 0.008 222 2021.208 2021 3 0.400 0.007 296 2021.292 2021 4 0.396 0.006 269 2021.375 2021 5 0.395 0.006 306 2021.458 2021 6 0.395 0.006 270 2021.542 2021 7 0.394 0.005 281 2021.625 2021 8 0.393 0.005 302 2021.708 2021 9 0.395 0.005 289 2021.792 2021 10 0.397 0.006 273 2021.875 2021 11 0.396 0.007 272 2021.958 2021 12 0.400 0.007 284 2022.042 2022 1 0.397 0.006 306 2022.125 2022 2 0.392 0.006 57 2022.208 2022 3 0.394 0.006 280 2022.292 2022 4 0.394 0.007 239 2022.375 2022 5 0.395 0.005 254 2022.458 2022 6 0.400 0.008 48 2022.542 2022 7 0.394 0.007 129 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 0.390 0.009 64 2022.792 2022 10 0.392 0.008 125 2022.875 2022 11 0.391 0.007 44 2022.958 2022 12 0.389 0.006 233 2023.042 2023 1 0.392 0.007 140 2023.125 2023 2 0.393 0.006 283 2023.208 2023 3 0.393 0.006 315 2023.292 2023 4 0.391 0.006 289 2023.375 2023 5 0.387 0.006 127 2023.458 2023 6 0.388 0.006 294 2023.542 2023 7 0.388 0.006 283 2023.625 2023 8 0.388 0.006 309 2023.708 2023 9 0.388 0.006 258 2023.792 2023 10 0.384 0.005 269 2023.875 2023 11 0.385 0.006 303 2023.958 2023 12 0.390 0.007 302