# 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-13 # calibration_scale: METAS-2017 # 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 2.968 0.057 70 2005.292 2005 4 2.966 0.073 273 2005.375 2005 5 2.967 0.047 315 2005.458 2005 6 2.949 0.045 269 2005.542 2005 7 2.968 0.057 334 2005.625 2005 8 3.009 0.057 288 2005.708 2005 9 2.998 0.064 258 2005.792 2005 10 2.982 0.059 299 2005.875 2005 11 3.032 0.071 169 2005.958 2005 12 3.029 0.063 191 2006.042 2006 1 3.005 0.042 276 2006.125 2006 2 3.013 0.041 249 2006.208 2006 3 3.034 0.046 259 2006.292 2006 4 3.059 0.044 311 2006.375 2006 5 3.029 0.049 187 2006.458 2006 6 3.023 0.046 292 2006.542 2006 7 3.020 0.046 315 2006.625 2006 8 3.026 0.045 240 2006.708 2006 9 3.024 0.041 170 2006.792 2006 10 3.032 0.044 316 2006.875 2006 11 3.045 0.053 290 2006.958 2006 12 3.052 0.045 331 2007.042 2007 1 3.046 0.045 236 2007.125 2007 2 3.047 0.052 114 2007.208 2007 3 3.016 0.075 309 2007.292 2007 4 3.008 0.056 219 2007.375 2007 5 3.029 0.086 262 2007.458 2007 6 3.079 0.053 245 2007.542 2007 7 3.105 0.072 238 2007.625 2007 8 3.080 0.043 143 2007.708 2007 9 3.064 0.067 234 2007.792 2007 10 3.018 0.044 319 2007.875 2007 11 3.021 0.047 336 2007.958 2007 12 3.034 0.049 323 2008.042 2008 1 3.039 0.044 254 2008.125 2008 2 3.031 0.042 231 2008.208 2008 3 3.023 0.044 329 2008.292 2008 4 3.021 0.052 334 2008.375 2008 5 3.033 0.053 349 2008.458 2008 6 3.034 0.079 288 2008.542 2008 7 3.003 0.040 96 2008.625 2008 8 3.001 0.046 277 2008.708 2008 9 3.024 0.043 318 2008.792 2008 10 3.022 0.047 83 2008.875 2008 11 3.022 0.051 354 2008.958 2008 12 3.001 0.048 331 2009.042 2009 1 3.011 0.063 260 2009.125 2009 2 3.021 0.060 255 2009.208 2009 3 3.036 0.061 83 2009.292 2009 4 3.030 0.065 314 2009.375 2009 5 3.043 0.068 175 2009.458 2009 6 3.051 0.074 306 2009.542 2009 7 3.053 0.084 345 2009.625 2009 8 3.035 0.092 146 2009.708 2009 9 3.026 0.073 133 2009.792 2009 10 3.040 0.079 99 2009.875 2009 11 3.046 0.077 166 2009.958 2009 12 3.037 0.062 304 2010.042 2010 1 3.053 0.086 271 2010.125 2010 2 3.064 0.063 189 2010.208 2010 3 3.075 0.058 283 2010.292 2010 4 3.062 0.084 297 2010.375 2010 5 3.063 0.085 309 2010.458 2010 6 3.062 0.069 285 2010.542 2010 7 3.067 0.060 282 2010.625 2010 8 3.060 0.056 291 2010.708 2010 9 3.066 0.063 266 2010.792 2010 10 3.075 0.071 321 2010.875 2010 11 3.080 0.083 240 2010.958 2010 12 3.065 0.051 150 2011.042 2011 1 3.063 0.046 335 2011.125 2011 2 3.065 0.053 303 2011.208 2011 3 3.069 0.047 320 2011.292 2011 4 3.071 0.049 289 2011.375 2011 5 3.074 0.053 214 2011.458 2011 6 3.077 0.046 183 2011.542 2011 7 3.083 0.053 281 2011.625 2011 8 3.077 0.052 337 2011.708 2011 9 3.081 0.061 286 2011.792 2011 10 3.079 0.072 321 2011.875 2011 11 3.105 0.069 147 2011.958 2011 12 3.096 0.046 289 2012.042 2012 1 3.102 0.043 241 2012.125 2012 2 3.105 0.050 215 2012.208 2012 3 3.104 0.060 338 2012.292 2012 4 3.115 0.060 197 2012.375 2012 5 3.119 0.075 132 2012.458 2012 6 3.112 0.051 248 2012.542 2012 7 3.117 0.052 273 2012.625 2012 8 3.108 0.053 262 2012.708 2012 9 3.099 0.058 184 2012.792 2012 10 3.109 0.063 321 2012.875 2012 11 3.102 0.058 242 2012.958 2012 12 3.125 0.047 269 2013.042 2013 1 3.124 0.027 346 2013.125 2013 2 3.135 0.028 264 2013.208 2013 3 3.137 0.029 309 2013.292 2013 4 3.143 0.027 279 2013.375 2013 5 3.144 0.021 339 2013.458 2013 6 3.146 0.032 265 2013.542 2013 7 3.148 0.033 341 2013.625 2013 8 3.143 0.030 335 2013.708 2013 9 3.152 0.021 73 2013.792 2013 10 3.161 0.031 199 2013.875 2013 11 3.153 0.031 235 2013.958 2013 12 3.158 0.039 275 2014.042 2014 1 3.157 0.050 213 2014.125 2014 2 3.166 0.059 193 2014.208 2014 3 3.149 0.045 291 2014.292 2014 4 3.154 0.044 325 2014.375 2014 5 3.155 0.042 325 2014.458 2014 6 3.164 0.043 313 2014.542 2014 7 3.164 0.045 326 2014.625 2014 8 3.155 0.045 276 2014.708 2014 9 3.153 0.042 241 2014.792 2014 10 3.161 0.043 315 2014.875 2014 11 3.153 0.047 92 2014.958 2014 12 3.158 0.046 243 2015.042 2015 1 3.155 0.043 302 2015.125 2015 2 3.164 0.042 286 2015.208 2015 3 3.166 0.041 335 2015.292 2015 4 3.169 0.040 295 2015.375 2015 5 3.169 0.039 316 2015.458 2015 6 3.167 0.039 314 2015.542 2015 7 3.167 0.041 303 2015.625 2015 8 3.186 0.042 242 2015.708 2015 9 3.193 0.041 270 2015.792 2015 10 3.198 0.040 112 2015.875 2015 11 3.189 0.028 257 2015.958 2015 12 3.194 0.027 234 2016.042 2016 1 3.192 0.029 290 2016.125 2016 2 3.201 0.029 139 2016.208 2016 3 3.205 0.025 311 2016.292 2016 4 3.207 0.027 284 2016.375 2016 5 3.211 0.026 256 2016.458 2016 6 3.213 0.027 302 2016.542 2016 7 3.214 0.028 283 2016.625 2016 8 3.223 0.027 210 2016.708 2016 9 3.226 0.023 298 2016.792 2016 10 3.229 0.026 276 2016.875 2016 11 3.221 0.026 303 2016.958 2016 12 3.219 0.028 145 2017.042 2017 1 3.222 0.031 291 2017.125 2017 2 3.235 0.033 242 2017.208 2017 3 3.235 0.029 228 2017.292 2017 4 3.249 0.029 188 2017.375 2017 5 3.247 0.031 294 2017.458 2017 6 3.234 0.030 292 2017.542 2017 7 3.235 0.028 273 2017.625 2017 8 3.236 0.030 288 2017.708 2017 9 3.249 0.032 296 2017.792 2017 10 3.255 0.027 309 2017.875 2017 11 3.254 0.029 280 2017.958 2017 12 3.250 0.028 261 2018.042 2018 1 3.253 0.030 298 2018.125 2018 2 3.272 0.029 273 2018.208 2018 3 3.279 0.028 293 2018.292 2018 4 3.283 0.029 287 2018.375 2018 5 3.274 0.028 300 2018.458 2018 6 3.274 0.027 288 2018.542 2018 7 3.275 0.026 308 2018.625 2018 8 3.272 0.029 304 2018.708 2018 9 3.277 0.026 240 2018.792 2018 10 3.281 0.027 226 2018.875 2018 11 3.290 0.030 259 2018.958 2018 12 3.293 0.027 300 2019.042 2019 1 3.291 0.028 273 2019.125 2019 2 3.295 0.025 222 2019.208 2019 3 3.300 0.023 295 2019.292 2019 4 3.306 0.024 291 2019.375 2019 5 3.305 0.023 278 2019.458 2019 6 3.311 0.023 296 2019.542 2019 7 3.306 0.023 284 2019.625 2019 8 3.306 0.023 236 2019.708 2019 9 3.308 0.026 292 2019.792 2019 10 3.312 0.026 209 2019.875 2019 11 3.308 0.026 262 2019.958 2019 12 3.320 0.028 298 2020.042 2020 1 3.319 0.026 303 2020.125 2020 2 3.319 0.028 286 2020.208 2020 3 3.323 0.031 284 2020.292 2020 4 3.330 0.027 291 2020.375 2020 5 3.331 0.027 308 2020.458 2020 6 3.334 0.028 282 2020.542 2020 7 3.334 0.028 305 2020.625 2020 8 3.335 0.029 264 2020.708 2020 9 3.323 0.034 238 2020.792 2020 10 3.342 0.033 289 2020.875 2020 11 3.349 0.030 299 2020.958 2020 12 3.352 0.033 313 2021.042 2021 1 3.354 0.028 289 2021.125 2021 2 3.353 0.028 281 2021.208 2021 3 3.364 0.030 307 2021.292 2021 4 3.368 0.028 300 2021.375 2021 5 3.375 0.033 288 2021.458 2021 6 3.364 0.033 238 2021.542 2021 7 3.360 0.034 311 2021.625 2021 8 3.354 0.031 304 2021.708 2021 9 3.373 0.033 295 2021.792 2021 10 3.372 0.036 253 2021.875 2021 11 3.369 0.031 251 2021.958 2021 12 3.365 0.031 293 2022.042 2022 1 3.366 0.029 301 2022.125 2022 2 3.376 0.037 250 2022.208 2022 3 3.369 0.030 276 2022.292 2022 4 3.379 0.029 215 2022.375 2022 5 3.389 0.027 265 2022.458 2022 6 3.384 0.025 269 2022.542 2022 7 3.386 0.028 289 2022.625 2022 8 3.389 0.029 215 2022.708 2022 9 3.387 0.031 299 2022.792 2022 10 3.391 0.033 306 2022.875 2022 11 3.395 0.031 286 2022.958 2022 12 3.395 0.033 292 2023.042 2023 1 3.398 0.033 247 2023.125 2023 2 3.399 0.027 218 2023.208 2023 3 3.411 0.028 248 2023.292 2023 4 3.412 0.028 268 2023.375 2023 5 3.413 0.031 299 2023.458 2023 6 3.411 0.030 274 2023.542 2023 7 3.412 0.029 311 2023.625 2023 8 3.405 0.027 275 2023.708 2023 9 3.415 0.029 195 2023.792 2023 10 3.410 0.024 309 2023.875 2023 11 3.414 0.027 287 2023.958 2023 12 3.415 0.028 305