# 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: ch2cl2 # calibration_scale: SIO-14 # 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 35.923 0.817 45 2005.292 2005 4 37.184 1.022 180 2005.375 2005 5 36.660 1.472 278 2005.458 2005 6 33.298 1.461 259 2005.542 2005 7 28.397 1.684 282 2005.625 2005 8 26.048 1.716 241 2005.708 2005 9 25.467 1.085 172 2005.792 2005 10 27.560 1.367 249 2005.875 2005 11 30.873 1.677 141 2005.958 2005 12 33.088 1.302 161 2006.042 2006 1 34.975 1.339 245 2006.125 2006 2 36.217 2.336 202 2006.208 2006 3 38.835 0.965 225 2006.292 2006 4 39.413 1.428 310 2006.375 2006 5 36.536 1.844 174 2006.458 2006 6 33.059 1.654 265 2006.542 2006 7 29.912 2.608 295 2006.625 2006 8 27.005 1.324 214 2006.708 2006 9 27.029 1.645 144 2006.792 2006 10 29.986 1.034 188 2006.875 2006 11 31.972 2.594 223 2006.958 2006 12 35.437 0.942 230 2007.042 2007 1 36.309 1.277 224 2007.125 2007 2 39.060 0.910 109 2007.208 2007 3 38.379 2.172 278 2007.292 2007 4 41.081 1.645 211 2007.375 2007 5 39.226 2.184 251 2007.458 2007 6 37.790 2.060 238 2007.542 2007 7 31.716 2.616 250 2007.625 2007 8 29.398 1.675 127 2007.708 2007 9 28.901 1.108 203 2007.792 2007 10 30.312 0.972 245 2007.875 2007 11 33.935 1.061 209 2007.958 2007 12 36.692 1.102 263 2008.042 2008 1 39.782 1.327 148 2008.125 2008 2 40.176 0.865 193 2008.208 2008 3 42.766 1.401 283 2008.292 2008 4 43.924 1.347 275 2008.375 2008 5 41.889 2.598 328 2008.458 2008 6 38.972 2.639 256 2008.542 2008 7 33.151 1.644 96 2008.625 2008 8 29.974 1.749 269 2008.708 2008 9 31.200 1.476 269 2008.792 2008 10 32.546 2.539 78 2008.875 2008 11 38.983 2.294 319 2008.958 2008 12 41.554 1.886 311 2009.042 2009 1 37.695 3.588 256 2009.125 2009 2 40.430 1.308 238 2009.208 2009 3 41.124 2.538 83 2009.292 2009 4 43.363 1.582 297 2009.375 2009 5 40.828 2.433 171 2009.458 2009 6 38.278 1.105 306 2009.542 2009 7 35.445 1.447 154 2009.625 2009 8 NaN NaN 0 2009.708 2009 9 NaN NaN 0 2009.792 2009 10 NaN NaN 0 2009.875 2009 11 NaN NaN 0 2009.958 2009 12 41.939 1.610 194 2010.042 2010 1 43.397 1.105 204 2010.125 2010 2 45.216 0.795 102 2010.208 2010 3 47.589 1.702 259 2010.292 2010 4 50.228 1.451 281 2010.375 2010 5 49.621 2.114 301 2010.458 2010 6 44.953 3.127 248 2010.542 2010 7 38.548 2.606 236 2010.625 2010 8 34.734 1.599 260 2010.708 2010 9 33.127 1.659 246 2010.792 2010 10 37.515 1.996 225 2010.875 2010 11 40.342 2.381 225 2010.958 2010 12 44.829 1.233 140 2011.042 2011 1 45.156 2.545 318 2011.125 2011 2 44.637 1.551 294 2011.208 2011 3 48.021 3.524 287 2011.292 2011 4 48.537 3.382 252 2011.375 2011 5 50.365 1.570 173 2011.458 2011 6 45.843 2.113 165 2011.542 2011 7 35.570 2.860 117 2011.625 2011 8 32.690 0.963 316 2011.708 2011 9 32.839 0.914 187 2011.792 2011 10 35.362 1.459 151 2011.875 2011 11 38.980 1.479 96 2011.958 2011 12 43.618 1.128 178 2012.042 2012 1 43.305 1.121 183 2012.125 2012 2 44.356 1.435 201 2012.208 2012 3 46.161 2.527 245 2012.292 2012 4 50.111 1.573 169 2012.375 2012 5 49.393 1.253 90 2012.458 2012 6 44.830 2.174 244 2012.542 2012 7 39.346 2.427 263 2012.625 2012 8 35.784 1.443 275 2012.708 2012 9 36.634 1.454 236 2012.792 2012 10 41.090 2.716 256 2012.875 2012 11 48.155 1.963 215 2012.958 2012 12 54.589 2.615 273 2013.042 2013 1 55.679 3.942 327 2013.125 2013 2 56.885 1.982 175 2013.208 2013 3 56.916 3.557 279 2013.292 2013 4 60.297 2.923 205 2013.375 2013 5 60.095 2.405 308 2013.458 2013 6 57.028 2.853 268 2013.542 2013 7 49.352 3.298 337 2013.625 2013 8 43.793 1.469 314 2013.708 2013 9 43.826 1.755 71 2013.792 2013 10 52.231 1.794 112 2013.875 2013 11 54.909 3.449 187 2013.958 2013 12 55.988 2.356 267 2014.042 2014 1 58.232 1.895 115 2014.125 2014 2 56.328 2.886 191 2014.208 2014 3 60.013 4.164 220 2014.292 2014 4 63.882 1.966 312 2014.375 2014 5 63.759 1.605 304 2014.458 2014 6 62.061 3.650 256 2014.542 2014 7 52.608 3.498 319 2014.625 2014 8 47.045 2.118 273 2014.708 2014 9 46.637 1.637 231 2014.792 2014 10 51.041 1.973 265 2014.875 2014 11 57.064 2.493 65 2014.958 2014 12 61.566 3.436 239 2015.042 2015 1 58.130 3.959 306 2015.125 2015 2 60.198 4.558 237 2015.208 2015 3 62.660 3.755 333 2015.292 2015 4 64.565 2.440 284 2015.375 2015 5 64.569 2.159 313 2015.458 2015 6 58.216 3.104 309 2015.542 2015 7 50.539 2.676 287 2015.625 2015 8 44.663 1.445 241 2015.708 2015 9 44.635 0.996 250 2015.792 2015 10 46.461 1.308 45 2015.875 2015 11 53.950 1.856 151 2015.958 2015 12 58.148 1.394 162 2016.042 2016 1 60.468 1.784 229 2016.125 2016 2 61.720 1.604 135 2016.208 2016 3 62.100 2.500 246 2016.292 2016 4 64.686 2.506 235 2016.375 2016 5 66.492 2.576 250 2016.458 2016 6 60.789 3.101 301 2016.542 2016 7 53.360 4.944 205 2016.625 2016 8 45.324 2.430 210 2016.708 2016 9 43.338 1.778 282 2016.792 2016 10 48.359 2.893 244 2016.875 2016 11 57.250 2.991 218 2016.958 2016 12 62.210 2.256 131 2017.042 2017 1 63.519 2.146 293 2017.125 2017 2 63.970 4.437 215 2017.208 2017 3 67.329 2.940 201 2017.292 2017 4 72.275 3.561 145 2017.375 2017 5 72.742 3.777 272 2017.458 2017 6 67.970 3.347 291 2017.542 2017 7 62.596 1.695 141 2017.625 2017 8 51.110 2.586 274 2017.708 2017 9 50.576 1.354 225 2017.792 2017 10 56.209 2.491 289 2017.875 2017 11 59.739 5.485 270 2017.958 2017 12 64.426 2.668 261 2018.042 2018 1 64.785 5.707 272 2018.125 2018 2 70.607 3.210 269 2018.208 2018 3 69.455 2.736 292 2018.292 2018 4 73.118 3.133 228 2018.375 2018 5 70.881 1.937 284 2018.458 2018 6 64.129 3.391 288 2018.542 2018 7 55.557 4.096 277 2018.625 2018 8 46.637 1.720 303 2018.708 2018 9 45.567 2.389 239 2018.792 2018 10 52.992 2.426 183 2018.875 2018 11 62.845 1.478 138 2018.958 2018 12 65.853 2.308 271 2019.042 2019 1 67.774 1.630 238 2019.125 2019 2 68.848 1.081 211 2019.208 2019 3 70.342 3.383 264 2019.292 2019 4 74.845 2.544 230 2019.375 2019 5 71.491 2.858 274 2019.458 2019 6 69.392 3.408 298 2019.542 2019 7 59.210 3.707 280 2019.625 2019 8 53.008 1.507 228 2019.708 2019 9 51.793 1.004 221 2019.792 2019 10 52.997 1.548 194 2019.875 2019 11 59.068 2.717 169 2019.958 2019 12 64.640 1.301 97 2020.042 2020 1 69.789 2.535 255 2020.125 2020 2 70.953 1.781 279 2020.208 2020 3 66.927 3.013 239 2020.292 2020 4 70.734 2.226 266 2020.375 2020 5 73.571 2.587 289 2020.458 2020 6 70.312 1.884 271 2020.542 2020 7 57.377 3.009 306 2020.625 2020 8 51.633 2.690 265 2020.708 2020 9 55.078 2.659 195 2020.792 2020 10 62.377 1.689 194 2020.875 2020 11 66.785 3.342 245 2020.958 2020 12 70.366 2.534 274 2021.042 2021 1 74.604 2.386 288 2021.125 2021 2 77.399 2.530 276 2021.208 2021 3 77.659 2.147 173 2021.292 2021 4 78.441 2.583 287 2021.375 2021 5 82.288 3.357 286 2021.458 2021 6 76.211 6.071 219 2021.542 2021 7 65.072 4.351 290 2021.625 2021 8 55.952 2.301 300 2021.708 2021 9 57.465 2.301 192 2021.792 2021 10 63.724 2.251 248 2021.875 2021 11 70.800 2.857 189 2021.958 2021 12 75.806 2.602 263 2022.042 2022 1 74.294 2.573 302 2022.125 2022 2 76.187 2.961 207 2022.208 2022 3 78.441 3.184 227 2022.292 2022 4 80.288 2.103 171 2022.375 2022 5 74.319 3.560 243 2022.458 2022 6 69.867 2.723 240 2022.542 2022 7 63.150 4.234 176 2022.625 2022 8 52.655 1.855 186 2022.708 2022 9 52.755 2.260 270 2022.792 2022 10 57.847 2.849 226 2022.875 2022 11 64.801 3.551 234 2022.958 2022 12 70.758 1.958 281 2023.042 2023 1 72.816 2.043 191 2023.125 2023 2 73.788 1.873 203 2023.208 2023 3 77.873 3.538 135 2023.292 2023 4 80.106 2.992 231 2023.375 2023 5 79.867 2.969 181 2023.458 2023 6 75.169 2.984 248 2023.542 2023 7 69.520 3.264 299 2023.625 2023 8 61.265 3.877 261 2023.708 2023 9 58.829 2.299 192 2023.792 2023 10 66.709 3.016 260 2023.875 2023 11 75.248 2.598 161 2023.958 2023 12 81.395 4.412 211