# 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: pfc-218 # calibration_scale: SIO-07 # 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 0.606 0.025 237 2013.042 2013 1 0.605 0.021 320 2013.125 2013 2 0.605 0.018 262 2013.208 2013 3 0.604 0.017 445 2013.292 2013 4 0.606 0.020 382 2013.375 2013 5 0.608 0.019 345 2013.458 2013 6 0.612 0.020 424 2013.542 2013 7 0.614 0.023 268 2013.625 2013 8 NaN NaN 0 2013.708 2013 9 0.614 0.015 228 2013.792 2013 10 0.618 0.015 334 2013.875 2013 11 0.617 0.017 403 2013.958 2013 12 0.614 0.015 434 2014.042 2014 1 0.616 0.014 440 2014.125 2014 2 0.614 0.015 369 2014.208 2014 3 0.619 0.015 275 2014.292 2014 4 0.626 0.018 188 2014.375 2014 5 0.626 0.017 412 2014.458 2014 6 0.624 0.016 332 2014.542 2014 7 0.632 0.011 21 2014.625 2014 8 0.628 0.014 225 2014.708 2014 9 0.633 0.017 408 2014.792 2014 10 0.631 0.016 357 2014.875 2014 11 0.635 0.018 410 2014.958 2014 12 0.629 0.018 319 2015.042 2015 1 0.626 0.014 106 2015.125 2015 2 0.624 0.013 150 2015.208 2015 3 0.626 0.010 298 2015.292 2015 4 0.628 0.012 425 2015.375 2015 5 0.627 0.012 404 2015.458 2015 6 0.630 0.012 161 2015.542 2015 7 0.634 0.012 321 2015.625 2015 8 0.635 0.013 384 2015.708 2015 9 0.637 0.014 334 2015.792 2015 10 0.637 0.015 395 2015.875 2015 11 0.633 0.017 435 2015.958 2015 12 0.629 0.017 161 2016.042 2016 1 0.642 0.024 12 2016.125 2016 2 0.634 0.026 411 2016.208 2016 3 0.638 0.027 413 2016.292 2016 4 0.635 0.024 209 2016.375 2016 5 NaN NaN 0 2016.458 2016 6 NaN NaN 0 2016.542 2016 7 0.636 0.035 98 2016.625 2016 8 0.641 0.037 385 2016.708 2016 9 0.645 0.027 332 2016.792 2016 10 0.649 0.024 418 2016.875 2016 11 0.653 0.023 212 2016.958 2016 12 0.659 0.022 293 2017.042 2017 1 0.667 0.024 272 2017.125 2017 2 NaN NaN 0 2017.208 2017 3 0.668 0.020 243 2017.292 2017 4 0.667 0.021 285 2017.375 2017 5 0.660 0.018 225 2017.458 2017 6 0.655 0.016 414 2017.542 2017 7 0.658 0.017 437 2017.625 2017 8 0.659 0.019 393 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 0.674 0.018 301 2018.458 2018 6 0.662 0.023 326 2018.542 2018 7 0.667 0.015 464 2018.625 2018 8 0.667 0.014 162 2018.708 2018 9 0.670 0.013 401 2018.792 2018 10 0.680 0.013 277 2018.875 2018 11 0.682 0.007 85 2018.958 2018 12 0.684 0.009 281 2019.042 2019 1 0.686 0.010 228 2019.125 2019 2 0.692 0.009 214 2019.208 2019 3 0.694 0.013 362 2019.292 2019 4 0.700 0.019 421 2019.375 2019 5 0.698 0.019 275 2019.458 2019 6 0.700 0.013 411 2019.542 2019 7 0.711 0.016 386 2019.625 2019 8 0.712 0.014 404 2019.708 2019 9 0.709 0.012 385 2019.792 2019 10 0.712 0.013 319 2019.875 2019 11 0.714 0.012 182 2019.958 2019 12 0.715 0.012 226 2020.042 2020 1 0.713 0.011 285 2020.125 2020 2 0.712 0.009 214 2020.208 2020 3 0.715 0.009 349 2020.292 2020 4 0.721 0.011 305 2020.375 2020 5 0.722 0.014 367 2020.458 2020 6 0.726 0.013 343 2020.542 2020 7 0.728 0.015 377 2020.625 2020 8 0.729 0.014 387 2020.708 2020 9 0.728 0.013 332 2020.792 2020 10 0.730 0.010 345 2020.875 2020 11 0.729 0.010 353 2020.958 2020 12 0.730 0.011 229 2021.042 2021 1 0.734 0.011 371 2021.125 2021 2 0.733 0.012 369 2021.208 2021 3 0.731 0.013 269 2021.292 2021 4 0.729 0.012 297 2021.375 2021 5 0.735 0.012 249 2021.458 2021 6 0.738 0.013 362 2021.542 2021 7 0.739 0.013 268 2021.625 2021 8 0.741 0.012 401 2021.708 2021 9 0.744 0.013 257 2021.792 2021 10 0.742 0.011 290 2021.875 2021 11 0.745 0.011 295 2021.958 2021 12 0.744 0.011 316 2022.042 2022 1 0.749 0.011 287 2022.125 2022 2 0.748 0.011 366 2022.208 2022 3 0.754 0.011 357 2022.292 2022 4 0.758 0.012 387 2022.375 2022 5 0.763 0.012 96 2022.458 2022 6 0.763 0.013 316 2022.542 2022 7 0.757 0.013 360 2022.625 2022 8 0.755 0.013 362 2022.708 2022 9 0.759 0.014 323 2022.792 2022 10 0.758 0.017 230 2022.875 2022 11 0.755 0.013 283 2022.958 2022 12 0.758 0.014 359 2023.042 2023 1 0.761 0.013 274 2023.125 2023 2 0.762 0.011 319 2023.208 2023 3 0.765 0.011 348 2023.292 2023 4 0.769 0.014 33 2023.375 2023 5 0.777 0.012 140 2023.458 2023 6 0.775 0.011 368 2023.542 2023 7 0.777 0.012 368 2023.625 2023 8 0.780 0.014 322 2023.708 2023 9 0.786 0.013 296 2023.792 2023 10 0.783 0.012 238 2023.875 2023 11 0.790 0.015 150 2023.958 2023 12 0.787 0.012 292