# 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-12 # 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 NaN NaN 0 2013.042 2013 1 NaN NaN 0 2013.125 2013 2 NaN NaN 0 2013.208 2013 3 NaN NaN 0 2013.292 2013 4 NaN NaN 0 2013.375 2013 5 NaN NaN 0 2013.458 2013 6 NaN NaN 0 2013.542 2013 7 NaN NaN 0 2013.625 2013 8 NaN NaN 0 2013.708 2013 9 NaN NaN 0 2013.792 2013 10 NaN NaN 0 2013.875 2013 11 NaN NaN 0 2013.958 2013 12 NaN NaN 0 2014.042 2014 1 NaN NaN 0 2014.125 2014 2 NaN NaN 0 2014.208 2014 3 NaN NaN 0 2014.292 2014 4 NaN NaN 0 2014.375 2014 5 NaN NaN 0 2014.458 2014 6 NaN NaN 0 2014.542 2014 7 NaN NaN 0 2014.625 2014 8 NaN NaN 0 2014.708 2014 9 NaN NaN 0 2014.792 2014 10 NaN NaN 0 2014.875 2014 11 NaN NaN 0 2014.958 2014 12 NaN NaN 0 2015.042 2015 1 NaN NaN 0 2015.125 2015 2 NaN NaN 0 2015.208 2015 3 NaN NaN 0 2015.292 2015 4 NaN NaN 0 2015.375 2015 5 NaN NaN 0 2015.458 2015 6 NaN NaN 0 2015.542 2015 7 NaN NaN 0 2015.625 2015 8 NaN NaN 0 2015.708 2015 9 NaN NaN 0 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 NaN NaN 0 2016.292 2016 4 NaN NaN 0 2016.375 2016 5 NaN NaN 0 2016.458 2016 6 NaN NaN 0 2016.542 2016 7 NaN NaN 0 2016.625 2016 8 NaN NaN 0 2016.708 2016 9 NaN NaN 0 2016.792 2016 10 NaN NaN 0 2016.875 2016 11 NaN NaN 0 2016.958 2016 12 NaN NaN 0 2017.042 2017 1 NaN NaN 0 2017.125 2017 2 NaN NaN 0 2017.208 2017 3 NaN NaN 0 2017.292 2017 4 NaN NaN 0 2017.375 2017 5 NaN NaN 0 2017.458 2017 6 NaN NaN 0 2017.542 2017 7 NaN NaN 0 2017.625 2017 8 NaN NaN 0 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 NaN NaN 0 2018.375 2018 5 NaN NaN 0 2018.458 2018 6 NaN NaN 0 2018.542 2018 7 NaN NaN 0 2018.625 2018 8 NaN NaN 0 2018.708 2018 9 NaN NaN 0 2018.792 2018 10 NaN NaN 0 2018.875 2018 11 NaN NaN 0 2018.958 2018 12 NaN NaN 0 2019.042 2019 1 507.840 0.859 107 2019.125 2019 2 507.654 0.722 239 2019.208 2019 3 507.094 0.766 416 2019.292 2019 4 506.992 0.983 431 2019.375 2019 5 506.708 0.721 334 2019.458 2019 6 506.272 0.643 422 2019.542 2019 7 505.317 0.780 438 2019.625 2019 8 504.522 0.636 417 2019.708 2019 9 503.818 0.703 401 2019.792 2019 10 504.396 0.922 326 2019.875 2019 11 503.965 0.752 194 2019.958 2019 12 503.389 0.808 238 2020.042 2020 1 503.178 0.660 284 2020.125 2020 2 503.024 0.628 196 2020.208 2020 3 502.753 0.644 341 2020.292 2020 4 503.051 0.607 356 2020.375 2020 5 502.707 0.569 425 2020.458 2020 6 502.025 0.798 353 2020.542 2020 7 501.233 0.761 433 2020.625 2020 8 500.333 0.739 294 2020.708 2020 9 500.304 0.691 342 2020.792 2020 10 500.572 0.610 338 2020.875 2020 11 499.824 0.755 378 2020.958 2020 12 499.666 0.639 245 2021.042 2021 1 500.319 0.608 426 2021.125 2021 2 499.584 0.633 391 2021.208 2021 3 499.165 0.659 305 2021.292 2021 4 499.229 0.659 192 2021.375 2021 5 497.966 1.064 238 2021.458 2021 6 496.930 0.715 415 2021.542 2021 7 496.503 0.784 185 2021.625 2021 8 495.712 0.645 179 2021.708 2021 9 495.910 0.641 289 2021.792 2021 10 495.658 0.584 324 2021.875 2021 11 495.633 0.666 306 2021.958 2021 12 495.878 0.652 326 2022.042 2022 1 495.591 0.509 413 2022.125 2022 2 495.823 0.558 395 2022.208 2022 3 495.463 0.559 333 2022.292 2022 4 494.906 0.565 410 2022.375 2022 5 494.477 0.472 116 2022.458 2022 6 493.463 0.595 331 2022.542 2022 7 492.876 0.557 70 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 491.987 0.558 106 2022.792 2022 10 492.805 1.164 286 2022.875 2022 11 491.506 0.672 289 2022.958 2022 12 491.190 0.661 367 2023.042 2023 1 491.677 0.985 308 2023.125 2023 2 491.445 1.345 328 2023.208 2023 3 490.776 0.689 372 2023.292 2023 4 490.729 0.664 33 2023.375 2023 5 490.758 0.700 134 2023.458 2023 6 489.612 0.830 367 2023.542 2023 7 488.821 0.587 400 2023.625 2023 8 488.511 0.521 382 2023.708 2023 9 488.748 0.687 305 2023.792 2023 10 488.477 0.760 269 2023.875 2023 11 488.095 0.979 139 2023.958 2023 12 487.712 0.686 295