# monthly mean of baseline data from 2005/03 to 2023/12; created: 29-Jan-2025 # comment: Medusa measurements. Output from GCWerks. See Miller et al. (2008). # # data_owner_email: rfweiss@ucsd.edu, jmuhle@ucsd.edu # data_owner: Ray F. Weiss, Jens Muhle # station_long_name: Trinidad Head, California # inlet_base_elevation_masl: 107.000000 # inlet_latitude: 41.0541 # inlet_longitude: -124.151 # data_dir: /agage/trinidadhead-medusa # species: cfc-115 # calibration_scale: SIO-05 # units: ppt # file_created: 2024-11-11 07:14:06 # filled (flagged) data value: -99.900 # # 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 center 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 2005.208 2005 3 8.326 0.057 71 2005.292 2005 4 8.332 0.070 267 2005.375 2005 5 8.322 0.049 316 2005.458 2005 6 8.333 0.058 261 2005.542 2005 7 8.363 0.062 343 2005.625 2005 8 8.328 0.066 287 2005.708 2005 9 8.328 0.067 254 2005.792 2005 10 8.326 0.063 296 2005.875 2005 11 8.378 0.073 170 2005.958 2005 12 8.354 0.066 197 2006.042 2006 1 8.351 0.052 275 2006.125 2006 2 8.370 0.057 247 2006.208 2006 3 8.364 0.048 258 2006.292 2006 4 8.370 0.050 306 2006.375 2006 5 8.358 0.049 182 2006.458 2006 6 8.363 0.055 284 2006.542 2006 7 8.381 0.043 312 2006.625 2006 8 8.392 0.046 241 2006.708 2006 9 8.406 0.044 173 2006.792 2006 10 8.405 0.045 311 2006.875 2006 11 8.366 0.044 287 2006.958 2006 12 8.408 0.050 332 2007.042 2007 1 8.408 0.046 236 2007.125 2007 2 8.384 0.052 111 2007.208 2007 3 8.373 0.051 307 2007.292 2007 4 8.387 0.054 219 2007.375 2007 5 8.397 0.054 267 2007.458 2007 6 8.398 0.052 245 2007.542 2007 7 8.394 0.049 251 2007.625 2007 8 8.389 0.045 144 2007.708 2007 9 8.388 0.047 261 2007.792 2007 10 8.386 0.051 318 2007.875 2007 11 8.403 0.049 313 2007.958 2007 12 8.390 0.047 322 2008.042 2008 1 8.379 0.047 257 2008.125 2008 2 8.397 0.050 234 2008.208 2008 3 8.402 0.048 326 2008.292 2008 4 8.404 0.063 333 2008.375 2008 5 8.405 0.069 341 2008.458 2008 6 8.416 0.092 290 2008.542 2008 7 8.387 0.049 97 2008.625 2008 8 8.387 0.055 279 2008.708 2008 9 8.425 0.056 318 2008.792 2008 10 8.427 0.056 82 2008.875 2008 11 8.416 0.054 346 2008.958 2008 12 8.425 0.059 328 2009.042 2009 1 8.415 0.069 262 2009.125 2009 2 8.398 0.066 251 2009.208 2009 3 8.385 0.052 83 2009.292 2009 4 8.393 0.064 312 2009.375 2009 5 8.415 0.059 175 2009.458 2009 6 8.419 0.067 307 2009.542 2009 7 8.425 0.084 347 2009.625 2009 8 8.419 0.095 148 2009.708 2009 9 8.410 0.083 130 2009.792 2009 10 8.404 0.061 99 2009.875 2009 11 8.414 0.065 168 2009.958 2009 12 8.408 0.064 301 2010.042 2010 1 8.399 0.067 270 2010.125 2010 2 8.408 0.069 187 2010.208 2010 3 8.409 0.055 280 2010.292 2010 4 8.407 0.063 298 2010.375 2010 5 8.413 0.061 313 2010.458 2010 6 8.414 0.055 293 2010.542 2010 7 8.414 0.058 280 2010.625 2010 8 8.388 0.054 293 2010.708 2010 9 8.380 0.057 263 2010.792 2010 10 8.374 0.063 327 2010.875 2010 11 8.376 0.069 237 2010.958 2010 12 8.366 0.052 151 2011.042 2011 1 8.376 0.052 331 2011.125 2011 2 8.385 0.054 302 2011.208 2011 3 8.390 0.051 321 2011.292 2011 4 8.412 0.054 289 2011.375 2011 5 8.410 0.061 214 2011.458 2011 6 8.418 0.047 181 2011.542 2011 7 8.390 0.050 278 2011.625 2011 8 8.390 0.062 338 2011.708 2011 9 8.392 0.074 287 2011.792 2011 10 8.396 0.078 328 2011.875 2011 11 8.396 0.077 146 2011.958 2011 12 8.396 0.059 289 2012.042 2012 1 8.385 0.051 239 2012.125 2012 2 8.387 0.060 217 2012.208 2012 3 8.389 0.061 337 2012.292 2012 4 8.381 0.064 197 2012.375 2012 5 8.420 0.071 130 2012.458 2012 6 8.413 0.054 245 2012.542 2012 7 8.420 0.060 273 2012.625 2012 8 8.415 0.060 285 2012.708 2012 9 8.431 0.061 251 2012.792 2012 10 8.433 0.062 324 2012.875 2012 11 8.437 0.055 242 2012.958 2012 12 8.421 0.044 273 2013.042 2013 1 8.427 0.031 329 2013.125 2013 2 8.431 0.032 263 2013.208 2013 3 8.439 0.033 306 2013.292 2013 4 8.444 0.028 278 2013.375 2013 5 8.446 0.026 339 2013.458 2013 6 8.449 0.036 265 2013.542 2013 7 8.438 0.036 337 2013.625 2013 8 8.440 0.033 336 2013.708 2013 9 8.436 0.027 73 2013.792 2013 10 8.457 0.034 198 2013.875 2013 11 8.451 0.035 237 2013.958 2013 12 8.439 0.041 264 2014.042 2014 1 8.438 0.052 210 2014.125 2014 2 8.442 0.057 194 2014.208 2014 3 8.447 0.046 290 2014.292 2014 4 8.444 0.051 327 2014.375 2014 5 8.449 0.051 315 2014.458 2014 6 8.472 0.052 18 2014.542 2014 7 8.446 0.048 328 2014.625 2014 8 8.450 0.047 277 2014.708 2014 9 8.452 0.052 236 2014.792 2014 10 8.460 0.050 316 2014.875 2014 11 8.473 0.056 92 2014.958 2014 12 8.463 0.054 243 2015.042 2015 1 8.462 0.047 306 2015.125 2015 2 8.458 0.050 283 2015.208 2015 3 8.459 0.042 337 2015.292 2015 4 8.455 0.047 291 2015.375 2015 5 8.471 0.047 316 2015.458 2015 6 8.471 0.043 313 2015.542 2015 7 8.466 0.044 289 2015.625 2015 8 8.493 0.050 239 2015.708 2015 9 8.505 0.050 276 2015.792 2015 10 8.500 0.047 113 2015.875 2015 11 8.508 0.039 259 2015.958 2015 12 8.522 0.039 235 2016.042 2016 1 8.520 0.037 288 2016.125 2016 2 8.526 0.037 138 2016.208 2016 3 8.539 0.037 308 2016.292 2016 4 8.537 0.037 286 2016.375 2016 5 8.544 0.034 253 2016.458 2016 6 8.543 0.035 300 2016.542 2016 7 8.547 0.037 282 2016.625 2016 8 8.570 0.034 212 2016.708 2016 9 8.566 0.034 296 2016.792 2016 10 8.558 0.036 274 2016.875 2016 11 8.574 0.041 302 2016.958 2016 12 8.570 0.040 142 2017.042 2017 1 8.573 0.041 295 2017.125 2017 2 8.580 0.040 241 2017.208 2017 3 8.590 0.035 227 2017.292 2017 4 8.599 0.038 189 2017.375 2017 5 8.607 0.040 290 2017.458 2017 6 8.618 0.036 295 2017.542 2017 7 8.630 0.041 273 2017.625 2017 8 8.634 0.039 289 2017.708 2017 9 8.657 0.036 294 2017.792 2017 10 8.656 0.038 303 2017.875 2017 11 8.656 0.038 278 2017.958 2017 12 8.663 0.039 260 2018.042 2018 1 8.665 0.049 299 2018.125 2018 2 8.687 0.046 272 2018.208 2018 3 8.683 0.041 289 2018.292 2018 4 8.685 0.043 290 2018.375 2018 5 8.683 0.042 301 2018.458 2018 6 8.678 0.039 288 2018.542 2018 7 8.683 0.041 309 2018.625 2018 8 8.696 0.043 300 2018.708 2018 9 8.678 0.037 238 2018.792 2018 10 8.684 0.039 222 2018.875 2018 11 8.680 0.035 256 2018.958 2018 12 8.685 0.042 297 2019.042 2019 1 8.684 0.037 264 2019.125 2019 2 8.685 0.034 218 2019.208 2019 3 8.693 0.036 296 2019.292 2019 4 8.702 0.036 290 2019.375 2019 5 8.711 0.034 270 2019.458 2019 6 8.717 0.039 293 2019.542 2019 7 8.722 0.030 279 2019.625 2019 8 8.723 0.036 232 2019.708 2019 9 8.722 0.036 289 2019.792 2019 10 8.721 0.039 212 2019.875 2019 11 8.729 0.037 259 2019.958 2019 12 8.725 0.036 297 2020.042 2020 1 8.734 0.040 301 2020.125 2020 2 8.735 0.035 284 2020.208 2020 3 8.734 0.041 277 2020.292 2020 4 8.750 0.036 285 2020.375 2020 5 8.755 0.037 299 2020.458 2020 6 8.753 0.040 279 2020.542 2020 7 8.753 0.037 304 2020.625 2020 8 8.743 0.038 261 2020.708 2020 9 8.745 0.038 233 2020.792 2020 10 8.757 0.042 289 2020.875 2020 11 8.749 0.042 290 2020.958 2020 12 8.749 0.057 315 2021.042 2021 1 8.751 0.062 292 2021.125 2021 2 8.755 0.065 282 2021.208 2021 3 8.762 0.049 302 2021.292 2021 4 8.778 0.043 286 2021.375 2021 5 8.810 0.046 287 2021.458 2021 6 8.806 0.044 239 2021.542 2021 7 8.794 0.041 307 2021.625 2021 8 8.788 0.040 301 2021.708 2021 9 8.818 0.043 280 2021.792 2021 10 8.815 0.038 251 2021.875 2021 11 8.830 0.040 252 2021.958 2021 12 8.845 0.042 291 2022.042 2022 1 8.842 0.040 303 2022.125 2022 2 8.869 0.043 256 2022.208 2022 3 8.868 0.036 272 2022.292 2022 4 8.885 0.032 207 2022.375 2022 5 8.884 0.030 259 2022.458 2022 6 8.894 0.033 267 2022.542 2022 7 8.926 0.038 290 2022.625 2022 8 8.907 0.036 219 2022.708 2022 9 8.902 0.037 305 2022.792 2022 10 8.937 0.041 304 2022.875 2022 11 8.924 0.044 285 2022.958 2022 12 8.933 0.045 291 2023.042 2023 1 8.942 0.039 247 2023.125 2023 2 8.946 0.037 211 2023.208 2023 3 8.951 0.036 242 2023.292 2023 4 8.932 0.040 270 2023.375 2023 5 8.943 0.044 296 2023.458 2023 6 8.936 0.039 271 2023.542 2023 7 8.948 0.037 313 2023.625 2023 8 8.957 0.036 280 2023.708 2023 9 8.950 0.038 191 2023.792 2023 10 8.944 0.034 309 2023.875 2023 11 8.959 0.039 282 2023.958 2023 12 8.962 0.038 303