# 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: chcl3 # calibration_scale: SIO-98 # 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 11.576 0.528 58 2005.292 2005 4 11.770 0.602 180 2005.375 2005 5 11.710 0.986 253 2005.458 2005 6 12.503 1.006 226 2005.542 2005 7 12.107 1.378 273 2005.625 2005 8 12.510 1.743 183 2005.708 2005 9 13.489 1.541 206 2005.792 2005 10 13.798 1.652 235 2005.875 2005 11 12.435 1.078 112 2005.958 2005 12 12.360 0.828 167 2006.042 2006 1 11.911 0.769 274 2006.125 2006 2 12.052 0.935 216 2006.208 2006 3 11.694 0.645 256 2006.292 2006 4 11.537 0.646 297 2006.375 2006 5 11.062 0.935 165 2006.458 2006 6 10.394 1.362 225 2006.542 2006 7 10.284 1.376 285 2006.625 2006 8 11.469 1.461 177 2006.708 2006 9 12.421 1.403 125 2006.792 2006 10 13.102 1.211 235 2006.875 2006 11 11.602 1.214 276 2006.958 2006 12 12.008 0.946 306 2007.042 2007 1 11.997 0.828 201 2007.125 2007 2 11.354 0.564 110 2007.208 2007 3 11.288 0.840 260 2007.292 2007 4 11.122 0.790 187 2007.375 2007 5 10.809 0.994 199 2007.458 2007 6 10.410 1.152 192 2007.542 2007 7 9.349 1.127 232 2007.625 2007 8 10.000 1.292 111 2007.708 2007 9 12.126 1.226 212 2007.792 2007 10 11.797 1.191 220 2007.875 2007 11 11.995 0.911 177 2007.958 2007 12 11.849 0.649 260 2008.042 2008 1 11.951 0.622 228 2008.125 2008 2 11.741 0.694 136 2008.208 2008 3 11.657 0.896 278 2008.292 2008 4 11.636 0.789 231 2008.375 2008 5 11.157 0.903 239 2008.458 2008 6 10.302 0.949 236 2008.542 2008 7 9.549 1.001 53 2008.625 2008 8 9.663 1.255 192 2008.708 2008 9 12.016 1.558 131 2008.792 2008 10 10.745 1.456 70 2008.875 2008 11 12.265 1.222 252 2008.958 2008 12 12.082 1.109 266 2009.042 2009 1 11.029 1.167 210 2009.125 2009 2 10.682 0.645 202 2009.208 2009 3 10.814 1.151 82 2009.292 2009 4 11.167 0.842 131 2009.375 2009 5 10.767 1.216 158 2009.458 2009 6 10.671 1.059 284 2009.542 2009 7 10.951 1.554 247 2009.625 2009 8 12.172 1.485 117 2009.708 2009 9 12.070 1.348 122 2009.792 2009 10 13.162 1.240 64 2009.875 2009 11 12.806 1.470 133 2009.958 2009 12 12.210 1.007 233 2010.042 2010 1 11.251 0.755 187 2010.125 2010 2 11.488 0.682 115 2010.208 2010 3 11.488 0.661 198 2010.292 2010 4 11.728 0.777 240 2010.375 2010 5 11.906 0.972 269 2010.458 2010 6 11.131 1.177 271 2010.542 2010 7 12.203 1.534 227 2010.625 2010 8 12.301 1.875 254 2010.708 2010 9 12.056 1.804 206 2010.792 2010 10 12.359 1.239 229 2010.875 2010 11 11.961 1.124 173 2010.958 2010 12 11.610 0.728 145 2011.042 2011 1 11.842 1.009 252 2011.125 2011 2 11.456 0.783 242 2011.208 2011 3 11.461 0.810 313 2011.292 2011 4 11.587 1.013 248 2011.375 2011 5 11.975 0.819 186 2011.458 2011 6 11.228 1.166 166 2011.542 2011 7 10.661 1.548 249 2011.625 2011 8 10.773 1.701 318 2011.708 2011 9 12.208 1.452 243 2011.792 2011 10 12.352 1.626 205 2011.875 2011 11 13.265 1.306 130 2011.958 2011 12 12.975 1.255 252 2012.042 2012 1 11.954 0.962 167 2012.125 2012 2 11.649 0.918 196 2012.208 2012 3 11.734 0.793 304 2012.292 2012 4 12.185 0.887 171 2012.375 2012 5 12.085 0.896 101 2012.458 2012 6 11.013 1.204 223 2012.542 2012 7 10.307 1.149 197 2012.625 2012 8 10.841 1.387 203 2012.708 2012 9 12.789 1.237 157 2012.792 2012 10 12.522 1.330 227 2012.875 2012 11 12.810 0.991 190 2012.958 2012 12 12.635 0.939 268 2013.042 2013 1 12.576 1.225 316 2013.125 2013 2 12.646 0.982 246 2013.208 2013 3 12.248 1.111 261 2013.292 2013 4 11.962 0.974 218 2013.375 2013 5 11.504 1.021 282 2013.458 2013 6 11.267 1.337 182 2013.542 2013 7 12.806 1.694 289 2013.625 2013 8 10.508 1.570 210 2013.708 2013 9 12.728 1.755 60 2013.792 2013 10 15.021 1.350 41 2013.875 2013 11 14.960 1.305 176 2013.958 2013 12 14.915 1.135 207 2014.042 2014 1 13.976 1.071 129 2014.125 2014 2 13.143 1.072 144 2014.208 2014 3 13.785 1.237 218 2014.292 2014 4 14.279 0.921 221 2014.375 2014 5 14.376 1.127 273 2014.458 2014 6 14.080 1.819 267 2014.542 2014 7 13.444 1.538 301 2014.625 2014 8 13.476 2.088 226 2014.708 2014 9 15.599 1.838 180 2014.792 2014 10 15.466 1.567 215 2014.875 2014 11 15.337 1.152 62 2014.958 2014 12 14.796 1.021 240 2015.042 2015 1 15.198 1.529 304 2015.125 2015 2 14.552 1.815 251 2015.208 2015 3 15.182 1.378 294 2015.292 2015 4 15.439 0.958 224 2015.375 2015 5 17.218 1.546 281 2015.458 2015 6 15.854 1.820 307 2015.542 2015 7 14.691 1.672 293 2015.625 2015 8 14.626 2.125 186 2015.708 2015 9 16.086 2.104 252 2015.792 2015 10 17.775 1.502 100 2015.875 2015 11 16.913 1.092 164 2015.958 2015 12 16.249 1.055 214 2016.042 2016 1 15.482 1.129 270 2016.125 2016 2 15.896 1.159 104 2016.208 2016 3 14.659 1.241 265 2016.292 2016 4 14.774 1.127 205 2016.375 2016 5 15.644 1.257 179 2016.458 2016 6 14.794 1.568 279 2016.542 2016 7 13.627 1.596 262 2016.625 2016 8 13.784 1.691 158 2016.708 2016 9 14.220 1.492 230 2016.792 2016 10 14.354 1.113 195 2016.875 2016 11 15.862 1.106 228 2016.958 2016 12 16.284 1.025 136 2017.042 2017 1 15.688 1.217 290 2017.125 2017 2 14.575 1.522 225 2017.208 2017 3 15.432 1.242 219 2017.292 2017 4 16.821 1.480 173 2017.375 2017 5 16.717 1.570 272 2017.458 2017 6 14.961 1.381 275 2017.542 2017 7 14.973 1.123 247 2017.625 2017 8 14.513 2.090 246 2017.708 2017 9 16.249 2.059 240 2017.792 2017 10 18.385 1.749 284 2017.875 2017 11 18.003 2.631 272 2017.958 2017 12 18.260 1.670 259 2018.042 2018 1 17.242 1.654 296 2018.125 2018 2 17.669 1.182 260 2018.208 2018 3 16.771 1.013 284 2018.292 2018 4 17.980 1.420 243 2018.375 2018 5 17.249 1.132 276 2018.458 2018 6 16.130 1.325 277 2018.542 2018 7 15.234 1.285 225 2018.625 2018 8 13.377 1.799 229 2018.708 2018 9 14.153 1.691 222 2018.792 2018 10 14.807 1.575 143 2018.875 2018 11 15.111 1.262 192 2018.958 2018 12 15.281 0.950 262 2019.042 2019 1 14.339 0.872 192 2019.125 2019 2 14.345 0.681 205 2019.208 2019 3 15.046 1.024 212 2019.292 2019 4 15.535 1.105 216 2019.375 2019 5 15.414 1.635 236 2019.458 2019 6 14.671 1.558 266 2019.542 2019 7 12.726 1.592 255 2019.625 2019 8 13.082 1.511 181 2019.708 2019 9 14.064 1.584 250 2019.792 2019 10 14.960 1.564 141 2019.875 2019 11 15.730 1.285 133 2019.958 2019 12 15.189 1.235 274 2020.042 2020 1 14.256 1.087 284 2020.125 2020 2 14.971 1.161 239 2020.208 2020 3 13.808 1.395 262 2020.292 2020 4 13.984 1.179 227 2020.375 2020 5 13.959 1.093 228 2020.458 2020 6 14.486 1.161 210 2020.542 2020 7 13.103 1.731 288 2020.625 2020 8 13.051 1.960 226 2020.708 2020 9 14.771 1.598 195 2020.792 2020 10 16.770 1.793 179 2020.875 2020 11 16.285 1.850 270 2020.958 2020 12 15.789 1.627 287 2021.042 2021 1 14.706 1.270 249 2021.125 2021 2 14.063 1.111 222 2021.208 2021 3 13.767 1.037 229 2021.292 2021 4 14.267 1.170 207 2021.375 2021 5 13.894 1.330 238 2021.458 2021 6 13.032 1.263 223 2021.542 2021 7 12.505 1.794 266 2021.625 2021 8 11.837 1.922 257 2021.708 2021 9 13.222 1.625 190 2021.792 2021 10 14.038 1.433 155 2021.875 2021 11 13.773 1.238 122 2021.958 2021 12 13.096 1.017 204 2022.042 2022 1 12.696 1.337 201 2022.125 2022 2 12.955 1.015 172 2022.208 2022 3 12.521 1.151 161 2022.292 2022 4 12.323 0.766 157 2022.375 2022 5 10.753 0.901 165 2022.458 2022 6 10.080 0.844 156 2022.542 2022 7 10.912 0.948 136 2022.625 2022 8 11.314 1.572 180 2022.708 2022 9 11.207 1.448 140 2022.792 2022 10 11.849 1.174 117 2022.875 2022 11 12.668 1.220 190 2022.958 2022 12 12.203 1.161 174 2023.042 2023 1 11.800 0.888 117 2023.125 2023 2 11.778 0.932 157 2023.208 2023 3 11.375 0.734 177 2023.292 2023 4 10.865 0.722 186 2023.375 2023 5 10.773 0.740 125 2023.458 2023 6 10.682 0.884 149 2023.542 2023 7 10.660 1.171 216 2023.625 2023 8 10.640 1.548 193 2023.708 2023 9 13.196 1.781 168 2023.792 2023 10 14.094 1.884 199 2023.875 2023 11 13.836 1.600 262 2023.958 2023 12 13.034 1.439 252