# 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-124 # calibration_scale: UB-98 # 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 1.442 0.079 253 2013.042 2013 1 1.425 0.074 332 2013.125 2013 2 1.424 0.066 303 2013.208 2013 3 1.396 0.063 439 2013.292 2013 4 1.380 0.060 415 2013.375 2013 5 1.370 0.062 345 2013.458 2013 6 1.363 0.059 422 2013.542 2013 7 1.336 0.070 280 2013.625 2013 8 NaN NaN 0 2013.708 2013 9 1.308 0.035 264 2013.792 2013 10 1.313 0.037 342 2013.875 2013 11 1.312 0.044 432 2013.958 2013 12 1.310 0.048 439 2014.042 2014 1 1.321 0.042 435 2014.125 2014 2 1.317 0.045 371 2014.208 2014 3 1.326 0.039 290 2014.292 2014 4 1.320 0.044 183 2014.375 2014 5 1.306 0.043 427 2014.458 2014 6 1.285 0.040 360 2014.542 2014 7 1.258 0.033 25 2014.625 2014 8 1.249 0.030 227 2014.708 2014 9 1.242 0.030 411 2014.792 2014 10 1.254 0.035 350 2014.875 2014 11 1.281 0.037 392 2014.958 2014 12 1.265 0.033 340 2015.042 2015 1 1.276 0.035 104 2015.125 2015 2 1.263 0.029 154 2015.208 2015 3 1.266 0.035 298 2015.292 2015 4 1.265 0.039 436 2015.375 2015 5 1.257 0.035 455 2015.458 2015 6 1.248 0.042 167 2015.542 2015 7 1.215 0.046 332 2015.625 2015 8 1.204 0.035 417 2015.708 2015 9 1.195 0.032 370 2015.792 2015 10 1.204 0.034 398 2015.875 2015 11 1.204 0.037 405 2015.958 2015 12 1.207 0.038 158 2016.042 2016 1 1.193 0.032 12 2016.125 2016 2 1.201 0.044 421 2016.208 2016 3 1.204 0.048 449 2016.292 2016 4 1.193 0.047 215 2016.375 2016 5 NaN NaN 0 2016.458 2016 6 NaN NaN 0 2016.542 2016 7 1.174 0.050 98 2016.625 2016 8 1.163 0.048 387 2016.708 2016 9 1.145 0.053 358 2016.792 2016 10 1.150 0.055 424 2016.875 2016 11 1.152 0.053 216 2016.958 2016 12 1.161 0.045 298 2017.042 2017 1 1.171 0.046 299 2017.125 2017 2 NaN NaN 0 2017.208 2017 3 1.151 0.057 246 2017.292 2017 4 1.156 0.061 328 2017.375 2017 5 1.141 0.058 244 2017.458 2017 6 1.128 0.046 431 2017.542 2017 7 1.110 0.049 448 2017.625 2017 8 1.091 0.051 406 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 1.115 0.028 56 2018.375 2018 5 1.080 0.036 308 2018.458 2018 6 1.050 0.039 345 2018.542 2018 7 1.046 0.036 458 2018.625 2018 8 1.025 0.027 164 2018.708 2018 9 1.009 0.021 421 2018.792 2018 10 0.998 0.022 283 2018.875 2018 11 1.005 0.017 81 2018.958 2018 12 1.006 0.015 297 2019.042 2019 1 1.012 0.019 311 2019.125 2019 2 1.025 0.019 234 2019.208 2019 3 1.015 0.021 415 2019.292 2019 4 1.013 0.024 433 2019.375 2019 5 1.001 0.022 334 2019.458 2019 6 0.994 0.022 418 2019.542 2019 7 0.983 0.025 435 2019.625 2019 8 0.973 0.022 404 2019.708 2019 9 0.966 0.020 394 2019.792 2019 10 0.966 0.019 327 2019.875 2019 11 0.968 0.021 193 2019.958 2019 12 0.968 0.022 245 2020.042 2020 1 0.969 0.020 281 2020.125 2020 2 0.961 0.014 222 2020.208 2020 3 0.966 0.016 374 2020.292 2020 4 0.966 0.015 349 2020.375 2020 5 0.963 0.017 422 2020.458 2020 6 0.958 0.016 351 2020.542 2020 7 0.941 0.019 418 2020.625 2020 8 0.936 0.041 382 2020.708 2020 9 0.937 0.018 333 2020.792 2020 10 0.963 0.019 345 2020.875 2020 11 0.981 0.020 367 2020.958 2020 12 0.971 0.017 253 2021.042 2021 1 0.971 0.020 436 2021.125 2021 2 0.971 0.019 389 2021.208 2021 3 0.975 0.023 296 2021.292 2021 4 0.970 0.018 321 2021.375 2021 5 0.978 0.019 257 2021.458 2021 6 0.980 0.021 403 2021.542 2021 7 0.964 0.019 313 2021.625 2021 8 0.950 0.018 440 2021.708 2021 9 0.953 0.020 294 2021.792 2021 10 0.960 0.018 316 2021.875 2021 11 0.969 0.014 324 2021.958 2021 12 0.965 0.016 346 2022.042 2022 1 0.954 0.014 405 2022.125 2022 2 0.949 0.013 392 2022.208 2022 3 0.957 0.014 371 2022.292 2022 4 0.967 0.014 419 2022.375 2022 5 0.972 0.012 113 2022.458 2022 6 0.949 0.015 333 2022.542 2022 7 0.939 0.015 434 2022.625 2022 8 0.932 0.017 417 2022.708 2022 9 0.934 0.015 364 2022.792 2022 10 0.933 0.024 252 2022.875 2022 11 0.932 0.016 295 2022.958 2022 12 0.930 0.016 368 2023.042 2023 1 0.929 0.016 330 2023.125 2023 2 0.926 0.016 335 2023.208 2023 3 0.925 0.015 380 2023.292 2023 4 0.925 0.016 33 2023.375 2023 5 0.931 0.018 147 2023.458 2023 6 0.920 0.016 378 2023.542 2023 7 0.908 0.016 400 2023.625 2023 8 0.919 0.018 376 2023.708 2023 9 0.941 0.017 267 2023.792 2023 10 0.939 0.019 269 2023.875 2023 11 0.951 0.017 156 2023.958 2023 12 0.953 0.018 300