# 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 # Since there are indications that the interference from the growing CFC-113a abundance (Western et al., Nature Geosci., 16(4), 309-313, 10.1038/s41561-023-01147-w, 2023) is increasingly affecting CFC-113 measurements, AGAGE CFC-113 data will be withheld from 2018 onward until further notice. # 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-113 # 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 73.778 0.218 256 2013.042 2013 1 73.825 0.185 309 2013.125 2013 2 73.726 0.169 305 2013.208 2013 3 73.656 0.159 453 2013.292 2013 4 73.657 0.164 409 2013.375 2013 5 73.519 0.227 349 2013.458 2013 6 73.429 0.207 415 2013.542 2013 7 73.377 0.230 276 2013.625 2013 8 NaN NaN 0 2013.708 2013 9 73.071 0.146 265 2013.792 2013 10 73.172 0.158 348 2013.875 2013 11 73.185 0.136 251 2013.958 2013 12 73.064 0.178 371 2014.042 2014 1 73.023 0.176 445 2014.125 2014 2 73.080 0.207 344 2014.208 2014 3 73.071 0.183 289 2014.292 2014 4 73.077 0.210 187 2014.375 2014 5 73.065 0.205 432 2014.458 2014 6 72.932 0.178 359 2014.542 2014 7 72.775 0.148 25 2014.625 2014 8 72.724 0.165 229 2014.708 2014 9 72.671 0.182 435 2014.792 2014 10 72.642 0.182 361 2014.875 2014 11 72.632 0.187 421 2014.958 2014 12 72.691 0.185 339 2015.042 2015 1 72.801 0.121 109 2015.125 2015 2 72.668 0.117 157 2015.208 2015 3 72.631 0.148 297 2015.292 2015 4 72.544 0.184 439 2015.375 2015 5 72.420 0.191 447 2015.458 2015 6 72.301 0.204 156 2015.542 2015 7 72.186 0.225 310 2015.625 2015 8 72.059 0.159 418 2015.708 2015 9 71.998 0.156 363 2015.792 2015 10 72.054 0.156 408 2015.875 2015 11 72.131 0.152 432 2015.958 2015 12 72.100 0.148 163 2016.042 2016 1 72.289 0.123 3 2016.125 2016 2 72.013 0.165 420 2016.208 2016 3 71.940 0.163 435 2016.292 2016 4 71.862 0.172 191 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 71.757 0.304 241 2017.292 2017 4 71.383 0.360 330 2017.375 2017 5 71.167 0.364 216 2017.458 2017 6 71.065 0.256 430 2017.542 2017 7 71.006 0.328 445 2017.625 2017 8 70.930 0.303 403 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 NaN NaN 0 2019.125 2019 2 NaN NaN 0 2019.208 2019 3 NaN NaN 0 2019.292 2019 4 NaN NaN 0 2019.375 2019 5 NaN NaN 0 2019.458 2019 6 NaN NaN 0 2019.542 2019 7 NaN NaN 0 2019.625 2019 8 NaN NaN 0 2019.708 2019 9 NaN NaN 0 2019.792 2019 10 NaN NaN 0 2019.875 2019 11 NaN NaN 0 2019.958 2019 12 NaN NaN 0 2020.042 2020 1 NaN NaN 0 2020.125 2020 2 NaN NaN 0 2020.208 2020 3 NaN NaN 0 2020.292 2020 4 NaN NaN 0 2020.375 2020 5 NaN NaN 0 2020.458 2020 6 NaN NaN 0 2020.542 2020 7 NaN NaN 0 2020.625 2020 8 NaN NaN 0 2020.708 2020 9 NaN NaN 0 2020.792 2020 10 NaN NaN 0 2020.875 2020 11 NaN NaN 0 2020.958 2020 12 NaN NaN 0 2021.042 2021 1 NaN NaN 0 2021.125 2021 2 NaN NaN 0 2021.208 2021 3 NaN NaN 0 2021.292 2021 4 NaN NaN 0 2021.375 2021 5 NaN NaN 0 2021.458 2021 6 NaN NaN 0 2021.542 2021 7 NaN NaN 0 2021.625 2021 8 NaN NaN 0 2021.708 2021 9 NaN NaN 0 2021.792 2021 10 NaN NaN 0 2021.875 2021 11 NaN NaN 0 2021.958 2021 12 NaN NaN 0 2022.042 2022 1 NaN NaN 0 2022.125 2022 2 NaN NaN 0 2022.208 2022 3 NaN NaN 0 2022.292 2022 4 NaN NaN 0 2022.375 2022 5 NaN NaN 0 2022.458 2022 6 NaN NaN 0 2022.542 2022 7 NaN NaN 0 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 NaN NaN 0 2022.792 2022 10 NaN NaN 0 2022.875 2022 11 NaN NaN 0 2022.958 2022 12 NaN NaN 0 2023.042 2023 1 NaN NaN 0 2023.125 2023 2 NaN NaN 0 2023.208 2023 3 NaN NaN 0 2023.292 2023 4 NaN NaN 0 2023.375 2023 5 NaN NaN 0 2023.458 2023 6 NaN NaN 0 2023.542 2023 7 NaN NaN 0 2023.625 2023 8 NaN NaN 0 2023.708 2023 9 NaN NaN 0 2023.792 2023 10 NaN NaN 0 2023.875 2023 11 NaN NaN 0 2023.958 2023 12 NaN NaN 0