# monthly mean of baseline data from 2012/01 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: k.m.stanley@bristol.ac.uk # data_owner: Kieran Stanley # station_long_name: Tacolneston, United Kingdom # inlet_base_elevation_masl: 64.0 # inlet_latitude: 52.51882 # inlet_longitude: 1.13870 # inlet_date: 2012-01-01 00:00:00 # inlet_comment: Main tower # data_dir: /agage/tacolneston-medusa # species: cfc-11 # calibration_scale: SIO-05 # units: ppt # # 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: s.odoherty@bristol.ac.uk; dickon.young@bristol.ac.uk; 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 2012.042 2012 1 NaN NaN 0 2012.125 2012 2 NaN NaN 0 2012.208 2012 3 NaN NaN 0 2012.292 2012 4 NaN NaN 0 2012.375 2012 5 NaN NaN 0 2012.458 2012 6 NaN NaN 0 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 NaN NaN 0 2012.792 2012 10 NaN NaN 0 2012.875 2012 11 NaN NaN 0 2012.958 2012 12 236.776 0.872 229 2013.042 2013 1 237.152 0.865 227 2013.125 2013 2 236.306 0.762 258 2013.208 2013 3 235.742 0.739 376 2013.292 2013 4 235.754 0.803 374 2013.375 2013 5 235.463 0.988 309 2013.458 2013 6 235.509 1.122 386 2013.542 2013 7 235.490 1.223 264 2013.625 2013 8 NaN NaN 0 2013.708 2013 9 235.151 0.807 222 2013.792 2013 10 236.097 0.672 269 2013.875 2013 11 236.213 0.614 226 2013.958 2013 12 235.481 0.921 321 2014.042 2014 1 235.242 0.781 390 2014.125 2014 2 235.009 0.825 355 2014.208 2014 3 235.013 0.793 244 2014.292 2014 4 235.048 0.687 151 2014.375 2014 5 234.736 0.908 387 2014.458 2014 6 234.489 0.705 326 2014.542 2014 7 234.348 0.500 22 2014.625 2014 8 234.282 0.590 197 2014.708 2014 9 234.407 0.693 316 2014.792 2014 10 234.874 0.613 297 2014.875 2014 11 235.045 0.705 277 2014.958 2014 12 234.685 0.606 305 2015.042 2015 1 234.376 0.476 105 2015.125 2015 2 233.664 0.504 134 2015.208 2015 3 233.263 0.527 272 2015.292 2015 4 232.865 0.586 389 2015.375 2015 5 232.762 0.568 434 2015.458 2015 6 232.817 0.730 141 2015.542 2015 7 232.749 0.848 303 2015.625 2015 8 232.595 0.716 372 2015.708 2015 9 232.589 0.682 337 2015.792 2015 10 232.990 0.583 265 2015.875 2015 11 233.411 0.572 361 2015.958 2015 12 233.408 0.534 151 2016.042 2016 1 233.303 0.420 3 2016.125 2016 2 232.714 0.670 404 2016.208 2016 3 232.638 0.706 422 2016.292 2016 4 232.482 0.679 184 2016.375 2016 5 NaN NaN 0 2016.458 2016 6 NaN NaN 0 2016.542 2016 7 232.989 0.939 66 2016.625 2016 8 232.107 0.951 322 2016.708 2016 9 231.885 1.043 279 2016.792 2016 10 231.886 1.106 367 2016.875 2016 11 232.490 0.758 176 2016.958 2016 12 232.181 0.655 173 2017.042 2017 1 232.083 0.513 105 2017.125 2017 2 NaN NaN 0 2017.208 2017 3 231.872 1.160 227 2017.292 2017 4 230.996 1.101 335 2017.375 2017 5 230.902 1.316 227 2017.458 2017 6 230.859 0.978 405 2017.542 2017 7 230.626 0.991 426 2017.625 2017 8 230.343 0.933 372 2017.708 2017 9 NaN NaN 0 2017.792 2017 10 NaN NaN 0 2017.875 2017 11 NaN NaN 0 2017.958 2017 12 NaN NaN 0 2018.042 2018 1 NaN NaN 0 2018.125 2018 2 NaN NaN 0 2018.208 2018 3 NaN NaN 0 2018.292 2018 4 230.543 0.610 54 2018.375 2018 5 230.384 0.814 299 2018.458 2018 6 229.489 0.562 292 2018.542 2018 7 228.995 0.780 397 2018.625 2018 8 228.840 0.661 163 2018.708 2018 9 228.717 0.630 404 2018.792 2018 10 228.847 0.667 237 2018.875 2018 11 229.232 0.600 66 2018.958 2018 12 228.518 0.554 295 2019.042 2019 1 228.439 0.774 278 2019.125 2019 2 228.836 0.510 192 2019.208 2019 3 228.123 0.561 388 2019.292 2019 4 228.951 0.541 343 2019.375 2019 5 228.635 0.501 327 2019.458 2019 6 228.229 0.441 372 2019.542 2019 7 228.015 0.461 394 2019.625 2019 8 227.207 0.479 352 2019.708 2019 9 226.997 0.454 366 2019.792 2019 10 227.257 0.485 295 2019.875 2019 11 227.016 0.517 159 2019.958 2019 12 226.473 0.428 184 2020.042 2020 1 226.265 0.345 253 2020.125 2020 2 226.054 0.358 209 2020.208 2020 3 226.147 0.372 354 2020.292 2020 4 226.048 0.426 328 2020.375 2020 5 226.056 0.385 393 2020.458 2020 6 225.856 0.402 302 2020.542 2020 7 224.690 0.497 426 2020.625 2020 8 224.258 0.416 260 2020.708 2020 9 224.048 0.373 300 2020.792 2020 10 224.191 0.445 277 2020.875 2020 11 224.498 0.409 260 2020.958 2020 12 224.313 0.350 209 2021.042 2021 1 223.965 0.418 384 2021.125 2021 2 223.724 0.421 337 2021.208 2021 3 223.540 0.562 95 2021.292 2021 4 NaN NaN 0 2021.375 2021 5 223.159 0.494 234 2021.458 2021 6 222.798 0.460 368 2021.542 2021 7 222.144 0.602 290 2021.625 2021 8 221.512 0.392 405 2021.708 2021 9 221.683 0.386 218 2021.792 2021 10 221.597 0.464 148 2021.875 2021 11 NaN NaN 0 2021.958 2021 12 221.622 0.405 147 2022.042 2022 1 221.335 0.406 363 2022.125 2022 2 221.191 0.400 382 2022.208 2022 3 221.057 0.489 281 2022.292 2022 4 220.770 0.379 396 2022.375 2022 5 220.622 0.346 118 2022.458 2022 6 220.217 0.468 299 2022.542 2022 7 219.767 0.507 409 2022.625 2022 8 219.211 0.565 372 2022.708 2022 9 218.956 0.541 337 2022.792 2022 10 219.326 0.646 274 2022.875 2022 11 218.882 0.558 289 2022.958 2022 12 218.659 0.557 361 2023.042 2023 1 218.619 0.537 314 2023.125 2023 2 218.598 0.676 301 2023.208 2023 3 218.221 0.419 370 2023.292 2023 4 218.161 0.352 33 2023.375 2023 5 218.016 0.389 145 2023.458 2023 6 217.545 0.458 341 2023.542 2023 7 217.137 0.399 382 2023.625 2023 8 216.867 0.394 364 2023.708 2023 9 217.123 0.498 177 2023.792 2023 10 217.589 0.494 245 2023.875 2023 11 NaN NaN 0 2023.958 2023 12 NaN NaN 0