# 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: hcfc-141b # 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 19.181 0.211 70 2005.292 2005 4 19.272 0.196 266 2005.375 2005 5 19.314 0.238 305 2005.458 2005 6 19.232 0.189 263 2005.542 2005 7 19.110 0.259 304 2005.625 2005 8 19.091 0.221 276 2005.708 2005 9 19.132 0.210 234 2005.792 2005 10 19.143 0.187 285 2005.875 2005 11 19.260 0.206 160 2005.958 2005 12 19.307 0.196 173 2006.042 2006 1 19.212 0.170 257 2006.125 2006 2 19.266 0.222 226 2006.208 2006 3 19.335 0.148 229 2006.292 2006 4 19.482 0.141 301 2006.375 2006 5 19.470 0.140 170 2006.458 2006 6 19.469 0.253 265 2006.542 2006 7 19.512 0.254 303 2006.625 2006 8 19.579 0.166 232 2006.708 2006 9 19.775 0.270 148 2006.792 2006 10 20.032 0.146 222 2006.875 2006 11 19.946 0.246 251 2006.958 2006 12 20.062 0.133 292 2007.042 2007 1 20.014 0.141 233 2007.125 2007 2 19.975 0.123 111 2007.208 2007 3 19.943 0.171 290 2007.292 2007 4 20.208 0.172 217 2007.375 2007 5 20.350 0.264 261 2007.458 2007 6 20.431 0.174 243 2007.542 2007 7 20.198 0.238 249 2007.625 2007 8 20.154 0.215 120 2007.708 2007 9 20.388 0.175 225 2007.792 2007 10 20.395 0.156 266 2007.875 2007 11 20.491 0.149 207 2007.958 2007 12 20.566 0.146 299 2008.042 2008 1 20.706 0.189 214 2008.125 2008 2 20.686 0.217 188 2008.208 2008 3 20.742 0.194 324 2008.292 2008 4 20.900 0.187 307 2008.375 2008 5 20.879 0.213 326 2008.458 2008 6 20.941 0.256 267 2008.542 2008 7 21.021 0.199 44 2008.625 2008 8 20.747 0.249 252 2008.708 2008 9 21.016 0.201 242 2008.792 2008 10 21.040 0.183 78 2008.875 2008 11 21.187 0.183 271 2008.958 2008 12 21.274 0.149 297 2009.042 2009 1 21.022 0.282 242 2009.125 2009 2 21.060 0.172 217 2009.208 2009 3 20.955 0.142 82 2009.292 2009 4 21.076 0.168 298 2009.375 2009 5 21.147 0.211 159 2009.458 2009 6 21.181 0.159 292 2009.542 2009 7 21.203 0.215 335 2009.625 2009 8 21.226 0.208 141 2009.708 2009 9 21.265 0.190 129 2009.792 2009 10 21.532 0.145 97 2009.875 2009 11 21.569 0.203 143 2009.958 2009 12 21.651 0.185 284 2010.042 2010 1 21.615 0.181 237 2010.125 2010 2 21.713 0.187 150 2010.208 2010 3 21.684 0.164 264 2010.292 2010 4 21.859 0.169 293 2010.375 2010 5 22.013 0.185 295 2010.458 2010 6 22.069 0.217 271 2010.542 2010 7 21.945 0.251 260 2010.625 2010 8 21.939 0.246 274 2010.708 2010 9 22.068 0.256 245 2010.792 2010 10 22.417 0.287 227 2010.875 2010 11 22.460 0.283 234 2010.958 2010 12 22.511 0.184 145 2011.042 2011 1 22.432 0.256 311 2011.125 2011 2 22.296 0.174 288 2011.208 2011 3 22.393 0.277 304 2011.292 2011 4 22.603 0.308 253 2011.375 2011 5 22.564 0.056 3 2011.458 2011 6 NaN NaN 0 2011.542 2011 7 22.927 0.320 272 2011.625 2011 8 23.045 0.268 337 2011.708 2011 9 23.598 0.282 241 2011.792 2011 10 23.978 0.334 238 2011.875 2011 11 24.058 0.229 112 2011.958 2011 12 24.284 0.262 232 2012.042 2012 1 24.034 0.232 221 2012.125 2012 2 24.059 0.230 203 2012.208 2012 3 23.898 0.265 325 2012.292 2012 4 24.082 0.255 192 2012.375 2012 5 24.603 0.259 110 2012.458 2012 6 24.463 0.234 234 2012.542 2012 7 24.331 0.231 263 2012.625 2012 8 24.342 0.199 278 2012.708 2012 9 24.569 0.225 214 2012.792 2012 10 24.780 0.239 275 2012.875 2012 11 24.902 0.191 224 2012.958 2012 12 25.122 0.176 258 2013.042 2013 1 25.039 0.292 316 2013.125 2013 2 24.987 0.204 215 2013.208 2013 3 24.862 0.208 283 2013.292 2013 4 24.967 0.197 236 2013.375 2013 5 25.136 0.179 312 2013.458 2013 6 25.165 0.218 266 2013.542 2013 7 25.036 0.227 319 2013.625 2013 8 24.859 0.167 330 2013.708 2013 9 25.097 0.133 63 2013.792 2013 10 25.570 0.162 59 2013.875 2013 11 25.531 0.207 183 2013.958 2013 12 25.377 0.218 255 2014.042 2014 1 25.221 0.163 91 2014.125 2014 2 25.115 0.191 170 2014.208 2014 3 25.264 0.158 237 2014.292 2014 4 25.411 0.119 293 2014.375 2014 5 25.514 0.139 295 2014.458 2014 6 25.718 0.180 278 2014.542 2014 7 25.672 0.181 315 2014.625 2014 8 25.596 0.185 262 2014.708 2014 9 25.837 0.170 172 2014.792 2014 10 25.997 0.142 244 2014.875 2014 11 26.071 0.225 78 2014.958 2014 12 26.057 0.185 231 2015.042 2015 1 25.841 0.285 229 2015.125 2015 2 25.800 0.207 261 2015.208 2015 3 25.817 0.176 285 2015.292 2015 4 25.827 0.155 279 2015.375 2015 5 26.061 0.141 302 2015.458 2015 6 26.094 0.159 298 2015.542 2015 7 25.882 0.215 287 2015.625 2015 8 25.707 0.162 238 2015.708 2015 9 25.781 0.157 234 2015.792 2015 10 26.082 0.122 89 2015.875 2015 11 26.112 0.126 218 2015.958 2015 12 26.133 0.108 222 2016.042 2016 1 26.072 0.118 248 2016.125 2016 2 26.010 0.153 100 2016.208 2016 3 26.022 0.150 265 2016.292 2016 4 26.151 0.151 216 2016.375 2016 5 26.274 0.149 201 2016.458 2016 6 26.224 0.176 294 2016.542 2016 7 26.161 0.234 251 2016.625 2016 8 25.865 0.187 165 2016.708 2016 9 25.878 0.136 244 2016.792 2016 10 25.905 0.115 272 2016.875 2016 11 26.030 0.128 263 2016.958 2016 12 26.020 0.109 142 2017.042 2017 1 25.937 0.142 283 2017.125 2017 2 25.898 0.280 220 2017.208 2017 3 25.972 0.183 221 2017.292 2017 4 26.050 0.180 171 2017.375 2017 5 26.078 0.212 275 2017.458 2017 6 26.029 0.176 282 2017.542 2017 7 26.107 0.190 244 2017.625 2017 8 25.665 0.267 258 2017.708 2017 9 25.684 0.155 192 2017.792 2017 10 25.712 0.135 220 2017.875 2017 11 25.628 0.210 224 2017.958 2017 12 25.624 0.177 245 2018.042 2018 1 25.498 0.243 256 2018.125 2018 2 25.652 0.237 258 2018.208 2018 3 25.667 0.214 270 2018.292 2018 4 25.811 0.253 272 2018.375 2018 5 25.852 0.216 269 2018.458 2018 6 25.723 0.168 280 2018.542 2018 7 25.651 0.247 277 2018.625 2018 8 25.360 0.186 273 2018.708 2018 9 25.402 0.204 218 2018.792 2018 10 25.702 0.180 133 2018.875 2018 11 25.841 0.149 173 2018.958 2018 12 25.796 0.160 274 2019.042 2019 1 25.699 0.161 196 2019.125 2019 2 25.675 0.145 186 2019.208 2019 3 25.776 0.164 220 2019.292 2019 4 25.817 0.173 266 2019.375 2019 5 25.835 0.152 273 2019.458 2019 6 25.935 0.153 271 2019.542 2019 7 25.745 0.216 281 2019.625 2019 8 25.700 0.148 216 2019.708 2019 9 25.770 0.151 266 2019.792 2019 10 25.915 0.176 159 2019.875 2019 11 26.224 0.173 96 2019.958 2019 12 26.249 0.174 199 2020.042 2020 1 26.019 0.123 272 2020.125 2020 2 26.015 0.136 228 2020.208 2020 3 25.815 0.181 226 2020.292 2020 4 25.932 0.157 240 2020.375 2020 5 26.297 0.166 268 2020.458 2020 6 26.404 0.167 253 2020.542 2020 7 26.037 0.223 297 2020.625 2020 8 26.034 0.243 239 2020.708 2020 9 26.268 0.239 176 2020.792 2020 10 26.361 0.199 148 2020.875 2020 11 26.281 0.182 269 2020.958 2020 12 26.189 0.164 281 2021.042 2021 1 26.105 0.171 251 2021.125 2021 2 26.056 0.140 273 2021.208 2021 3 26.114 0.156 238 2021.292 2021 4 26.166 0.152 258 2021.375 2021 5 26.346 0.237 269 2021.458 2021 6 26.364 0.381 226 2021.542 2021 7 26.237 0.280 298 2021.625 2021 8 26.041 0.234 281 2021.708 2021 9 26.345 0.192 197 2021.792 2021 10 26.386 0.139 202 2021.875 2021 11 26.343 0.178 194 2021.958 2021 12 26.496 0.166 261 2022.042 2022 1 26.240 0.198 280 2022.125 2022 2 26.174 0.146 227 2022.208 2022 3 26.128 0.145 175 2022.292 2022 4 26.260 0.104 155 2022.375 2022 5 26.336 0.142 223 2022.458 2022 6 26.313 0.188 243 2022.542 2022 7 26.217 0.215 234 2022.625 2022 8 25.899 0.197 215 2022.708 2022 9 26.147 0.157 264 2022.792 2022 10 26.217 0.151 175 2022.875 2022 11 26.221 0.125 247 2022.958 2022 12 26.162 0.183 166 2023.042 2023 1 25.978 0.110 138 2023.125 2023 2 25.991 0.156 180 2023.208 2023 3 25.972 0.148 197 2023.292 2023 4 26.039 0.215 246 2023.375 2023 5 26.272 0.168 262 2023.458 2023 6 26.192 0.165 243 2023.542 2023 7 26.081 0.150 300 2023.625 2023 8 25.910 0.216 242 2023.708 2023 9 25.947 0.160 152 2023.792 2023 10 26.148 0.143 264 2023.875 2023 11 26.239 0.225 235 2023.958 2023 12 26.203 0.251 263