# monthly mean of baseline data from 2003/05 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: s.odoherty@bristol.ac.uk # data_owner: Simon O'Doherty # station_long_name: Mace Head, Ireland # inlet_base_elevation_masl: 8.0 # inlet_latitude: 53.32667 # inlet_longitude: -9.90456 # inlet_date: 2003-12-09 00:00:00 # inlet_comment: main tower # data_dir: /agage/macehead-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 2003.375 2003 5 NaN NaN 0 2003.458 2003 6 NaN NaN 0 2003.542 2003 7 NaN NaN 0 2003.625 2003 8 NaN NaN 0 2003.708 2003 9 NaN NaN 0 2003.792 2003 10 NaN NaN 0 2003.875 2003 11 79.868 0.182 144 2003.958 2003 12 79.821 0.175 328 2004.042 2004 1 79.750 0.165 225 2004.125 2004 2 79.683 0.179 312 2004.208 2004 3 79.682 0.180 346 2004.292 2004 4 79.621 0.181 320 2004.375 2004 5 79.522 0.219 203 2004.458 2004 6 79.324 0.194 179 2004.542 2004 7 79.394 0.208 321 2004.625 2004 8 79.141 0.204 273 2004.708 2004 9 78.997 0.198 259 2004.792 2004 10 79.049 0.192 284 2004.875 2004 11 79.008 0.196 203 2004.958 2004 12 78.936 0.187 233 2005.042 2005 1 79.264 0.187 196 2005.125 2005 2 79.128 0.201 178 2005.208 2005 3 79.132 0.195 313 2005.292 2005 4 79.095 0.217 253 2005.375 2005 5 79.014 0.175 219 2005.458 2005 6 78.851 0.195 217 2005.542 2005 7 78.698 0.147 203 2005.625 2005 8 NaN NaN 0 2005.708 2005 9 NaN NaN 0 2005.792 2005 10 NaN NaN 0 2005.875 2005 11 78.366 0.201 126 2005.958 2005 12 78.276 0.240 291 2006.042 2006 1 78.425 0.201 267 2006.125 2006 2 78.401 0.177 186 2006.208 2006 3 78.244 0.172 293 2006.292 2006 4 78.160 0.181 274 2006.375 2006 5 78.078 0.191 268 2006.458 2006 6 77.953 0.160 194 2006.542 2006 7 77.784 0.152 272 2006.625 2006 8 77.675 0.151 222 2006.708 2006 9 77.566 0.140 148 2006.792 2006 10 77.503 0.169 251 2006.875 2006 11 77.495 0.147 292 2006.958 2006 12 77.451 0.162 299 2007.042 2007 1 77.474 0.175 295 2007.125 2007 2 77.474 0.219 285 2007.208 2007 3 77.459 0.227 168 2007.292 2007 4 NaN NaN 0 2007.375 2007 5 NaN NaN 0 2007.458 2007 6 NaN NaN 0 2007.542 2007 7 NaN NaN 0 2007.625 2007 8 NaN NaN 0 2007.708 2007 9 NaN NaN 0 2007.792 2007 10 NaN NaN 0 2007.875 2007 11 NaN NaN 0 2007.958 2007 12 NaN NaN 0 2008.042 2008 1 77.107 0.182 211 2008.125 2008 2 77.123 0.235 295 2008.208 2008 3 76.994 0.247 289 2008.292 2008 4 76.957 0.228 285 2008.375 2008 5 76.849 0.209 300 2008.458 2008 6 76.756 0.170 261 2008.542 2008 7 76.548 0.188 296 2008.625 2008 8 76.507 0.186 324 2008.708 2008 9 76.386 0.194 300 2008.792 2008 10 76.331 0.171 315 2008.875 2008 11 76.364 0.173 225 2008.958 2008 12 76.397 0.185 267 2009.042 2009 1 76.428 0.237 254 2009.125 2009 2 76.359 0.293 255 2009.208 2009 3 76.366 0.257 321 2009.292 2009 4 76.335 0.254 302 2009.375 2009 5 76.286 0.240 285 2009.458 2009 6 75.861 0.227 263 2009.542 2009 7 75.863 0.214 231 2009.625 2009 8 75.197 0.151 4 2009.708 2009 9 75.729 0.224 214 2009.792 2009 10 75.850 0.183 324 2009.875 2009 11 75.594 0.268 182 2009.958 2009 12 75.533 0.202 288 2010.042 2010 1 75.465 0.252 291 2010.125 2010 2 75.487 0.237 236 2010.208 2010 3 75.531 0.203 314 2010.292 2010 4 75.459 0.197 315 2010.375 2010 5 75.251 0.237 254 2010.458 2010 6 75.169 0.204 224 2010.542 2010 7 75.050 0.192 318 2010.625 2010 8 74.918 0.205 260 2010.708 2010 9 74.928 0.205 243 2010.792 2010 10 74.969 0.189 291 2010.875 2010 11 75.006 0.192 262 2010.958 2010 12 74.840 0.213 294 2011.042 2011 1 74.778 0.183 277 2011.125 2011 2 74.741 0.224 262 2011.208 2011 3 74.776 0.116 311 2011.292 2011 4 74.713 0.094 315 2011.375 2011 5 74.669 0.101 325 2011.458 2011 6 74.588 0.104 304 2011.542 2011 7 74.462 0.102 304 2011.625 2011 8 74.343 0.110 310 2011.708 2011 9 74.356 0.110 325 2011.792 2011 10 74.388 0.109 337 2011.875 2011 11 74.410 0.161 299 2011.958 2011 12 74.389 0.132 337 2012.042 2012 1 74.385 0.130 317 2012.125 2012 2 74.427 0.098 279 2012.208 2012 3 74.418 0.118 326 2012.292 2012 4 74.325 0.118 322 2012.375 2012 5 74.209 0.119 337 2012.458 2012 6 74.076 0.116 316 2012.542 2012 7 73.760 0.138 283 2012.625 2012 8 73.575 0.135 301 2012.708 2012 9 73.572 0.141 269 2012.792 2012 10 73.647 0.139 268 2012.875 2012 11 73.729 0.135 325 2012.958 2012 12 73.753 0.136 313 2013.042 2013 1 73.730 0.129 319 2013.125 2013 2 73.714 0.130 275 2013.208 2013 3 73.662 0.126 321 2013.292 2013 4 73.605 0.124 277 2013.375 2013 5 73.541 0.127 317 2013.458 2013 6 73.423 0.146 223 2013.542 2013 7 73.260 0.168 159 2013.625 2013 8 NaN NaN 0 2013.708 2013 9 73.015 0.118 124 2013.792 2013 10 73.069 0.097 276 2013.875 2013 11 73.102 0.089 94 2013.958 2013 12 73.119 0.093 197 2014.042 2014 1 73.144 0.090 194 2014.125 2014 2 73.144 0.091 236 2014.208 2014 3 73.118 0.103 238 2014.292 2014 4 73.006 0.095 228 2014.375 2014 5 72.948 0.092 126 2014.458 2014 6 72.846 0.092 161 2014.542 2014 7 72.732 0.108 289 2014.625 2014 8 72.564 0.095 295 2014.708 2014 9 72.565 0.092 123 2014.792 2014 10 72.382 0.102 267 2014.875 2014 11 72.447 0.111 238 2014.958 2014 12 72.489 0.113 309 2015.042 2015 1 72.491 0.104 267 2015.125 2015 2 72.512 0.105 221 2015.208 2015 3 72.443 0.112 280 2015.292 2015 4 72.348 0.112 288 2015.375 2015 5 72.285 0.102 276 2015.458 2015 6 72.152 0.103 169 2015.542 2015 7 71.881 0.123 294 2015.625 2015 8 71.661 0.105 313 2015.708 2015 9 71.721 0.112 244 2015.792 2015 10 71.801 0.103 307 2015.875 2015 11 71.685 0.125 272 2015.958 2015 12 71.743 0.117 311 2016.042 2016 1 71.770 0.178 254 2016.125 2016 2 71.917 0.180 271 2016.208 2016 3 71.834 0.186 248 2016.292 2016 4 71.793 0.096 292 2016.375 2016 5 71.648 0.128 249 2016.458 2016 6 71.551 0.109 240 2016.542 2016 7 71.399 0.110 287 2016.625 2016 8 71.274 0.113 301 2016.708 2016 9 71.168 0.131 269 2016.792 2016 10 71.374 0.158 282 2016.875 2016 11 71.377 0.145 276 2016.958 2016 12 71.347 0.168 296 2017.042 2017 1 71.386 0.197 253 2017.125 2017 2 71.280 0.132 160 2017.208 2017 3 NaN NaN 0 2017.292 2017 4 71.323 0.187 103 2017.375 2017 5 71.186 0.192 256 2017.458 2017 6 70.984 0.146 298 2017.542 2017 7 70.893 0.134 301 2017.625 2017 8 70.758 0.137 310 2017.708 2017 9 70.724 0.180 106 2017.792 2017 10 70.871 0.117 89 2017.875 2017 11 70.776 0.105 264 2017.958 2017 12 70.727 0.099 164 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