# 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-22 # calibration_scale: SIO-05 # units: ppt # file_created: 2024-11-11 07:14:05 # 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 3 177.968 1.186 63 2005.292 2005 4 178.238 1.228 239 2005.375 2005 5 179.295 1.252 280 2005.458 2005 6 179.747 1.220 251 2005.542 2005 7 180.577 1.866 277 2005.625 2005 8 181.364 1.508 262 2005.708 2005 9 182.944 1.517 205 2005.792 2005 10 183.208 1.382 256 2005.875 2005 11 184.018 1.653 159 2005.958 2005 12 184.485 1.563 123 2006.042 2006 1 183.926 1.255 225 2006.125 2006 2 184.798 2.083 179 2006.208 2006 3 185.581 0.951 239 2006.292 2006 4 186.259 0.888 293 2006.375 2006 5 186.335 1.098 154 2006.458 2006 6 186.324 1.623 248 2006.542 2006 7 186.366 1.844 303 2006.625 2006 8 187.360 1.402 226 2006.708 2006 9 189.302 1.733 111 2006.792 2006 10 191.256 1.254 195 2006.875 2006 11 190.865 1.920 256 2006.958 2006 12 191.895 1.132 260 2007.042 2007 1 191.876 1.307 214 2007.125 2007 2 192.104 0.824 105 2007.208 2007 3 191.900 1.363 263 2007.292 2007 4 193.380 0.922 215 2007.375 2007 5 194.889 2.117 214 2007.458 2007 6 196.439 1.491 217 2007.542 2007 7 195.385 1.862 223 2007.625 2007 8 196.090 1.676 119 2007.708 2007 9 198.984 1.308 213 2007.792 2007 10 198.948 1.128 229 2007.875 2007 11 200.101 1.307 215 2007.958 2007 12 200.702 0.892 289 2008.042 2008 1 201.583 1.047 195 2008.125 2008 2 201.056 1.213 161 2008.208 2008 3 201.496 1.137 323 2008.292 2008 4 202.635 1.108 313 2008.375 2008 5 203.389 1.489 292 2008.458 2008 6 204.192 1.956 247 2008.542 2008 7 204.259 1.384 94 2008.625 2008 8 204.187 1.795 262 2008.708 2008 9 207.645 1.560 235 2008.792 2008 10 207.870 1.654 75 2008.875 2008 11 209.432 1.906 278 2008.958 2008 12 210.160 1.581 282 2009.042 2009 1 207.944 2.405 230 2009.125 2009 2 208.957 1.361 207 2009.208 2009 3 208.503 1.410 80 2009.292 2009 4 209.514 1.144 291 2009.375 2009 5 209.680 2.017 158 2009.458 2009 6 210.652 1.357 290 2009.542 2009 7 211.413 1.750 317 2009.625 2009 8 212.352 1.348 137 2009.708 2009 9 213.568 1.463 128 2009.792 2009 10 215.547 1.255 94 2009.875 2009 11 216.699 1.522 139 2009.958 2009 12 216.575 1.474 261 2010.042 2010 1 215.766 1.229 203 2010.125 2010 2 216.354 1.127 156 2010.208 2010 3 217.074 1.168 252 2010.292 2010 4 218.091 1.010 280 2010.375 2010 5 218.802 1.422 289 2010.458 2010 6 219.052 1.599 275 2010.542 2010 7 219.213 1.836 259 2010.625 2010 8 220.841 1.843 264 2010.708 2010 9 222.115 1.478 231 2010.792 2010 10 224.174 1.676 237 2010.875 2010 11 223.642 1.568 225 2010.958 2010 12 224.606 1.342 137 2011.042 2011 1 223.636 2.194 293 2011.125 2011 2 223.280 1.420 283 2011.208 2011 3 223.985 1.730 313 2011.292 2011 4 224.544 1.955 281 2011.375 2011 5 226.893 1.265 195 2011.458 2011 6 226.150 1.258 170 2011.542 2011 7 225.031 2.057 233 2011.625 2011 8 225.359 1.403 328 2011.708 2011 9 227.283 1.503 206 2011.792 2011 10 228.529 1.734 233 2011.875 2011 11 229.363 1.439 114 2011.958 2011 12 229.973 1.609 249 2012.042 2012 1 228.330 1.635 222 2012.125 2012 2 228.277 1.294 189 2012.208 2012 3 228.503 1.457 326 2012.292 2012 4 229.651 1.128 178 2012.375 2012 5 231.200 1.252 91 2012.458 2012 6 230.243 1.449 233 2012.542 2012 7 229.780 1.375 272 2012.625 2012 8 230.647 1.148 259 2012.708 2012 9 233.020 1.434 205 2012.792 2012 10 233.643 1.539 248 2012.875 2012 11 234.475 1.084 216 2012.958 2012 12 236.151 1.196 260 2013.042 2013 1 235.756 2.099 303 2013.125 2013 2 235.846 1.444 210 2013.208 2013 3 234.701 1.383 297 2013.292 2013 4 235.118 1.395 246 2013.375 2013 5 235.780 1.268 317 2013.458 2013 6 236.355 1.455 257 2013.542 2013 7 235.984 1.555 313 2013.625 2013 8 235.705 1.232 322 2013.708 2013 9 237.651 1.098 69 2013.792 2013 10 240.361 0.998 74 2013.875 2013 11 240.230 1.343 166 2013.958 2013 12 239.629 1.390 234 2014.042 2014 1 239.041 1.311 135 2014.125 2014 2 237.927 1.418 163 2014.208 2014 3 239.240 1.373 250 2014.292 2014 4 240.372 1.037 303 2014.375 2014 5 241.252 1.126 302 2014.458 2014 6 242.681 1.443 304 2014.542 2014 7 242.583 1.269 315 2014.625 2014 8 242.793 1.525 257 2014.708 2014 9 244.296 1.501 215 2014.792 2014 10 245.577 1.225 284 2014.875 2014 11 245.811 2.024 73 2014.958 2014 12 245.295 1.561 237 2015.042 2015 1 244.915 2.232 233 2015.125 2015 2 243.857 1.588 270 2015.208 2015 3 244.439 1.459 322 2015.292 2015 4 244.996 1.081 275 2015.375 2015 5 246.186 1.058 297 2015.458 2015 6 246.383 1.100 300 2015.542 2015 7 245.567 1.619 268 2015.625 2015 8 245.621 1.300 234 2015.708 2015 9 246.789 1.241 244 2015.792 2015 10 248.906 1.116 104 2015.875 2015 11 249.472 1.125 239 2015.958 2015 12 249.093 1.121 217 2016.042 2016 1 248.239 1.096 241 2016.125 2016 2 248.210 1.283 115 2016.208 2016 3 247.870 1.237 286 2016.292 2016 4 248.932 1.155 234 2016.375 2016 5 250.236 1.014 225 2016.458 2016 6 250.253 1.304 278 2016.542 2016 7 250.249 1.732 249 2016.625 2016 8 249.161 1.187 184 2016.708 2016 9 249.455 1.065 213 2016.792 2016 10 250.954 1.011 250 2016.875 2016 11 252.674 0.913 253 2016.958 2016 12 252.906 0.870 139 2017.042 2017 1 252.186 1.291 276 2017.125 2017 2 251.435 1.841 222 2017.208 2017 3 251.432 1.378 225 2017.292 2017 4 253.027 1.455 166 2017.375 2017 5 254.019 1.619 277 2017.458 2017 6 254.177 1.043 268 2017.542 2017 7 254.864 1.018 177 2017.625 2017 8 252.718 1.186 267 2017.708 2017 9 253.914 0.963 208 2017.792 2017 10 254.857 1.109 263 2017.875 2017 11 254.759 2.095 258 2017.958 2017 12 254.789 1.513 245 2018.042 2018 1 253.726 2.017 254 2018.125 2018 2 254.090 1.523 261 2018.208 2018 3 254.203 0.960 262 2018.292 2018 4 255.437 1.216 263 2018.375 2018 5 255.792 0.866 285 2018.458 2018 6 255.692 0.822 278 2018.542 2018 7 255.382 1.455 268 2018.625 2018 8 253.683 0.963 281 2018.708 2018 9 254.307 1.347 202 2018.792 2018 10 256.672 0.918 173 2018.875 2018 11 258.228 0.744 143 2018.958 2018 12 258.229 0.717 270 2019.042 2019 1 257.589 0.847 223 2019.125 2019 2 256.943 0.666 196 2019.208 2019 3 257.711 1.000 230 2019.292 2019 4 258.174 1.087 241 2019.375 2019 5 258.110 0.901 268 2019.458 2019 6 259.755 1.073 288 2019.542 2019 7 259.099 1.568 271 2019.625 2019 8 258.599 0.954 225 2019.708 2019 9 259.000 0.850 285 2019.792 2019 10 259.055 1.028 191 2019.875 2019 11 260.513 1.063 141 2019.958 2019 12 260.435 1.038 209 2020.042 2020 1 259.048 0.876 270 2020.125 2020 2 258.978 0.809 236 2020.208 2020 3 257.552 1.106 246 2020.292 2020 4 258.221 1.034 267 2020.375 2020 5 259.730 1.024 291 2020.458 2020 6 260.605 1.031 261 2020.542 2020 7 258.297 1.197 297 2020.625 2020 8 257.722 1.263 243 2020.708 2020 9 259.658 1.310 202 2020.792 2020 10 260.487 1.177 200 2020.875 2020 11 259.997 1.183 277 2020.958 2020 12 259.587 1.037 294 2021.042 2021 1 259.319 1.227 282 2021.125 2021 2 259.394 1.006 273 2021.208 2021 3 259.878 1.058 227 2021.292 2021 4 259.465 0.878 278 2021.375 2021 5 260.734 1.242 266 2021.458 2021 6 260.694 2.170 238 2021.542 2021 7 259.001 1.469 298 2021.625 2021 8 257.623 1.143 300 2021.708 2021 9 259.060 1.061 212 2021.792 2021 10 259.441 0.734 223 2021.875 2021 11 259.529 1.044 196 2021.958 2021 12 260.416 1.006 264 2022.042 2022 1 258.961 1.276 277 2022.125 2022 2 259.293 1.071 226 2022.208 2022 3 259.179 1.044 185 2022.292 2022 4 259.991 0.770 153 2022.375 2022 5 259.315 0.905 232 2022.458 2022 6 258.780 1.023 258 2022.542 2022 7 258.281 1.260 233 2022.625 2022 8 255.826 1.032 214 2022.708 2022 9 256.590 0.838 290 2022.792 2022 10 257.747 0.871 205 2022.875 2022 11 258.049 0.848 261 2022.958 2022 12 257.768 1.114 174 2023.042 2023 1 257.606 0.782 143 2023.125 2023 2 257.780 0.874 176 2023.208 2023 3 257.911 1.006 191 2023.292 2023 4 257.815 1.117 258 2023.375 2023 5 258.169 0.784 205 2023.458 2023 6 257.616 0.926 250 2023.542 2023 7 257.487 0.776 302 2023.625 2023 8 256.137 1.098 267 2023.708 2023 9 255.550 0.708 192 2023.792 2023 10 256.186 0.747 288 2023.875 2023 11 256.813 1.012 240 2023.958 2023 12 256.848 1.410 291