# 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: hcfc-22 # 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 12 236.089 1.873 196 2013.042 2013 1 236.968 1.725 240 2013.125 2013 2 236.048 1.486 250 2013.208 2013 3 235.531 1.397 375 2013.292 2013 4 235.430 1.350 366 2013.375 2013 5 235.597 1.564 321 2013.458 2013 6 236.291 2.006 369 2013.542 2013 7 236.318 1.778 267 2013.625 2013 8 NaN NaN 0 2013.708 2013 9 238.430 1.546 232 2013.792 2013 10 240.445 1.239 295 2013.875 2013 11 241.181 1.478 205 2013.958 2013 12 240.526 1.316 296 2014.042 2014 1 240.057 1.286 329 2014.125 2014 2 239.517 1.278 338 2014.208 2014 3 239.767 1.374 224 2014.292 2014 4 240.311 1.380 140 2014.375 2014 5 241.386 1.209 371 2014.458 2014 6 241.269 1.290 299 2014.542 2014 7 242.939 0.998 20 2014.625 2014 8 243.343 1.036 208 2014.708 2014 9 244.221 1.465 309 2014.792 2014 10 245.475 1.134 292 2014.875 2014 11 246.859 1.364 248 2014.958 2014 12 246.841 1.588 287 2015.042 2015 1 247.140 1.260 91 2015.125 2015 2 245.320 1.227 143 2015.208 2015 3 244.939 1.057 268 2015.292 2015 4 244.984 0.993 402 2015.375 2015 5 245.464 1.070 428 2015.458 2015 6 246.060 1.220 142 2015.542 2015 7 245.752 1.321 303 2015.625 2015 8 246.120 1.200 354 2015.708 2015 9 246.889 1.191 341 2015.792 2015 10 248.516 1.218 333 2015.875 2015 11 249.108 1.555 369 2015.958 2015 12 249.596 1.055 154 2016.042 2016 1 248.271 1.809 8 2016.125 2016 2 247.980 1.284 397 2016.208 2016 3 247.707 1.382 417 2016.292 2016 4 248.278 1.151 199 2016.375 2016 5 NaN NaN 0 2016.458 2016 6 NaN NaN 0 2016.542 2016 7 251.099 1.562 91 2016.625 2016 8 249.785 1.563 338 2016.708 2016 9 250.358 1.570 50 2016.792 2016 10 NaN NaN 0 2016.875 2016 11 NaN NaN 0 2016.958 2016 12 253.464 1.430 132 2017.042 2017 1 254.086 1.607 253 2017.125 2017 2 NaN NaN 0 2017.208 2017 3 NaN NaN 0 2017.292 2017 4 253.355 1.273 159 2017.375 2017 5 253.478 1.700 222 2017.458 2017 6 253.839 1.480 376 2017.542 2017 7 254.020 1.446 432 2017.625 2017 8 252.972 1.591 393 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 4 255.037 1.507 46 2018.375 2018 5 255.309 0.937 304 2018.458 2018 6 254.487 1.202 322 2018.542 2018 7 254.530 0.982 429 2018.625 2018 8 254.499 0.755 144 2018.708 2018 9 254.563 0.882 407 2018.792 2018 10 256.697 0.860 237 2018.875 2018 11 259.026 0.712 66 2018.958 2018 12 259.408 1.029 292 2019.042 2019 1 258.660 1.312 295 2019.125 2019 2 257.444 1.070 233 2019.208 2019 3 256.463 1.129 400 2019.292 2019 4 257.398 0.965 395 2019.375 2019 5 257.435 0.809 322 2019.458 2019 6 257.486 0.706 404 2019.542 2019 7 257.552 0.838 424 2019.625 2019 8 258.000 0.790 396 2019.708 2019 9 258.560 0.767 382 2019.792 2019 10 259.276 0.759 302 2019.875 2019 11 259.453 0.788 189 2019.958 2019 12 259.592 0.772 232 2020.042 2020 1 258.644 1.157 283 2020.125 2020 2 258.027 1.233 217 2020.208 2020 3 258.288 0.802 369 2020.292 2020 4 257.560 0.818 355 2020.375 2020 5 257.646 0.718 422 2020.458 2020 6 257.867 0.780 332 2020.542 2020 7 257.503 1.287 432 2020.625 2020 8 257.461 0.751 301 2020.708 2020 9 257.898 0.863 333 2020.792 2020 10 259.315 0.710 322 2020.875 2020 11 259.337 1.370 318 2020.958 2020 12 258.821 1.046 237 2021.042 2021 1 259.098 0.831 410 2021.125 2021 2 258.782 0.858 379 2021.208 2021 3 258.436 0.979 276 2021.292 2021 4 258.586 0.857 316 2021.375 2021 5 259.844 0.782 243 2021.458 2021 6 259.520 0.915 391 2021.542 2021 7 258.591 1.228 311 2021.625 2021 8 258.508 0.712 423 2021.708 2021 9 258.914 0.869 283 2021.792 2021 10 259.483 0.848 322 2021.875 2021 11 260.392 0.772 321 2021.958 2021 12 260.508 1.251 340 2022.042 2022 1 259.864 1.155 407 2022.125 2022 2 259.547 0.983 386 2022.208 2022 3 259.960 0.673 350 2022.292 2022 4 259.838 0.644 407 2022.375 2022 5 259.379 0.580 116 2022.458 2022 6 258.471 0.733 325 2022.542 2022 7 257.855 0.930 419 2022.625 2022 8 257.106 1.020 409 2022.708 2022 9 257.307 0.732 365 2022.792 2022 10 257.971 0.949 277 2022.875 2022 11 258.191 0.671 294 2022.958 2022 12 258.013 0.672 361 2023.042 2023 1 257.989 0.743 322 2023.125 2023 2 257.357 1.124 329 2023.208 2023 3 257.235 0.850 376 2023.292 2023 4 257.999 0.603 33 2023.375 2023 5 257.653 0.629 142 2023.458 2023 6 256.251 0.962 363 2023.542 2023 7 255.671 0.789 386 2023.625 2023 8 255.976 0.655 366 2023.708 2023 9 255.695 0.601 266 2023.792 2023 10 255.557 0.944 253 2023.875 2023 11 NaN NaN 0 2023.958 2023 12 NaN NaN 0