# monthly mean of baseline data from 2006/05 to 2023/12; created: 29-Jan-2025 # comment: Medusa measurements. Output from GCWerks. See Miller et al. (2008). # Since there are indications that the interference from the growing CFC-114a abundance (Western et al., Nature Geosci., 16(4), 309-313, 10.1038/s41561-023-01147-w, 2023) is increasingly affecting CFC-114 measurements, AGAGE CFC-114 data will be withheld from 2018 onward until further notice. # data_owner_email: rfweiss@ucsd.edu, jmuhle@ucsd.edu # data_owner: Ray F. Weiss, Jens Muhle # station_long_name: Cape Matatula, American Samoa # inlet_base_elevation_masl: 42.00 # inlet_latitude: -14.2474 # inlet_longitude: -170.5644 # inlet_comment: Bluesky tower. Not sure about the previous tower # data_dir: /agage/samoa-medusa # species: cfc-114 # calibration_scale: SIO-05 # units: ppt # file_created: 2024-11-11 07:07:13 # # 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: rfweiss@ucsd.edu; jmuhle@ucsd.edu; 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 2006.375 2006 5 16.489 0.063 38 2006.458 2006 6 16.497 0.047 275 2006.542 2006 7 16.484 0.041 313 2006.625 2006 8 16.467 0.040 291 2006.708 2006 9 16.473 0.037 89 2006.792 2006 10 16.443 0.042 184 2006.875 2006 11 16.448 0.044 101 2006.958 2006 12 16.477 0.041 168 2007.042 2007 1 16.467 0.041 298 2007.125 2007 2 16.458 0.044 315 2007.208 2007 3 16.465 0.040 347 2007.292 2007 4 16.451 0.047 303 2007.375 2007 5 16.454 0.051 337 2007.458 2007 6 16.419 0.053 303 2007.542 2007 7 16.430 0.062 340 2007.625 2007 8 16.419 0.064 335 2007.708 2007 9 16.411 0.064 276 2007.792 2007 10 16.413 0.053 336 2007.875 2007 11 16.447 0.055 329 2007.958 2007 12 16.437 0.052 222 2008.042 2008 1 16.426 0.052 310 2008.125 2008 2 16.422 0.047 304 2008.208 2008 3 16.445 0.046 338 2008.292 2008 4 16.454 0.051 289 2008.375 2008 5 16.421 0.050 333 2008.458 2008 6 16.419 0.057 299 2008.542 2008 7 16.412 0.055 276 2008.625 2008 8 16.389 0.053 220 2008.708 2008 9 16.417 0.055 296 2008.792 2008 10 16.418 0.052 325 2008.875 2008 11 16.422 0.061 298 2008.958 2008 12 16.400 0.084 237 2009.042 2009 1 16.456 0.097 294 2009.125 2009 2 16.344 0.077 282 2009.208 2009 3 16.373 0.065 344 2009.292 2009 4 16.373 0.059 241 2009.375 2009 5 16.404 0.060 278 2009.458 2009 6 16.403 0.063 243 2009.542 2009 7 16.385 0.051 113 2009.625 2009 8 16.355 0.070 198 2009.708 2009 9 16.332 0.062 284 2009.792 2009 10 NaN NaN 0 2009.875 2009 11 NaN NaN 0 2009.958 2009 12 NaN NaN 0 2010.042 2010 1 NaN NaN 0 2010.125 2010 2 NaN NaN 0 2010.208 2010 3 16.345 0.068 192 2010.292 2010 4 16.380 0.054 20 2010.375 2010 5 NaN NaN 0 2010.458 2010 6 NaN NaN 0 2010.542 2010 7 16.413 0.062 83 2010.625 2010 8 16.349 0.061 328 2010.708 2010 9 16.337 0.054 271 2010.792 2010 10 16.353 0.056 226 2010.875 2010 11 16.349 0.053 335 2010.958 2010 12 16.354 0.055 169 2011.042 2011 1 NaN NaN 0 2011.125 2011 2 16.335 0.056 22 2011.208 2011 3 16.347 0.051 242 2011.292 2011 4 16.333 0.047 306 2011.375 2011 5 16.310 0.050 282 2011.458 2011 6 16.286 0.069 123 2011.542 2011 7 16.300 0.058 239 2011.625 2011 8 16.319 0.045 290 2011.708 2011 9 16.323 0.044 329 2011.792 2011 10 16.315 0.043 227 2011.875 2011 11 16.318 0.037 333 2011.958 2011 12 16.299 0.044 339 2012.042 2012 1 16.277 0.043 275 2012.125 2012 2 16.271 0.057 292 2012.208 2012 3 16.294 0.072 195 2012.292 2012 4 NaN NaN 0 2012.375 2012 5 16.340 0.056 33 2012.458 2012 6 16.313 0.058 289 2012.542 2012 7 16.306 0.065 213 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 16.293 0.049 42 2012.792 2012 10 16.314 0.049 338 2012.875 2012 11 16.296 0.055 234 2012.958 2012 12 16.298 0.068 292 2013.042 2013 1 16.310 0.070 261 2013.125 2013 2 16.312 0.060 261 2013.208 2013 3 16.317 0.050 323 2013.292 2013 4 16.304 0.048 234 2013.375 2013 5 16.300 0.029 320 2013.458 2013 6 16.317 0.021 322 2013.542 2013 7 16.311 0.022 313 2013.625 2013 8 16.296 0.020 294 2013.708 2013 9 16.294 0.020 330 2013.792 2013 10 16.286 0.024 262 2013.875 2013 11 16.288 0.023 244 2013.958 2013 12 16.283 0.024 260 2014.042 2014 1 16.291 0.020 311 2014.125 2014 2 16.280 0.022 260 2014.208 2014 3 16.286 0.023 83 2014.292 2014 4 16.255 0.022 213 2014.375 2014 5 16.277 0.025 267 2014.458 2014 6 16.284 0.020 320 2014.542 2014 7 16.300 0.023 338 2014.625 2014 8 16.295 0.023 341 2014.708 2014 9 16.285 0.022 325 2014.792 2014 10 16.278 0.024 337 2014.875 2014 11 16.285 0.022 279 2014.958 2014 12 16.277 0.024 251 2015.042 2015 1 16.274 0.030 240 2015.125 2015 2 16.284 0.026 299 2015.208 2015 3 16.279 0.029 305 2015.292 2015 4 16.273 0.032 223 2015.375 2015 5 16.260 0.029 261 2015.458 2015 6 16.262 0.029 255 2015.542 2015 7 16.257 0.030 73 2015.625 2015 8 16.258 0.034 223 2015.708 2015 9 16.260 0.028 293 2015.792 2015 10 16.259 0.032 296 2015.875 2015 11 16.248 0.030 315 2015.958 2015 12 16.249 0.029 316 2016.042 2016 1 16.249 0.028 338 2016.125 2016 2 16.245 0.028 172 2016.208 2016 3 16.250 0.030 278 2016.292 2016 4 16.238 0.028 168 2016.375 2016 5 16.238 0.032 227 2016.458 2016 6 16.232 0.034 194 2016.542 2016 7 16.265 0.035 238 2016.625 2016 8 16.273 0.038 175 2016.708 2016 9 16.261 0.029 245 2016.792 2016 10 16.255 0.028 198 2016.875 2016 11 16.250 0.028 195 2016.958 2016 12 16.251 0.030 288 2017.042 2017 1 16.247 0.032 273 2017.125 2017 2 16.259 0.030 231 2017.208 2017 3 16.246 0.034 305 2017.292 2017 4 16.261 0.037 277 2017.375 2017 5 16.244 0.032 304 2017.458 2017 6 16.238 0.027 253 2017.542 2017 7 16.258 0.033 263 2017.625 2017 8 16.241 0.028 248 2017.708 2017 9 16.244 0.028 162 2017.792 2017 10 16.260 0.038 311 2017.875 2017 11 16.245 0.032 208 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