# monthly mean of baseline data from 2010/08 to 2023/12; created: 29-Jan-2025 # comment: AGAGE Medusa measurements. Output from GCWerks. See Miller et al. (2008). DOI:10.1021/ac702084k, and Arnold et al. (2012) DOI:10.1021/ac300373e # # data_owner_email: crl@nilu.no, oh@nilu.no # data_owner: Chris R Lunder, Ove Hermansen # station_long_name: Zeppelin, Ny-Ålesund # inlet_base_elevation_masl: 475.000000 # inlet_latitude: 78.907200 # inlet_longitude: 11.886700 # inlet_date: 2010-12-16 12:30:00 # inlet_comment: new tower # inlet_base_elevation_masl_1: 475.000000 # inlet_latitude_1: 78.907200 # inlet_longitude_1: 11.886700 # inlet_date_1: 2001-01-01 00:00:01 # # 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 centre when these data are # used within a publication. # # CONTACT POINT: chris.lunder@nilu.no; 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 2010.625 2010 8 NaN NaN 0 2010.708 2010 9 7.420 0.103 259 2010.792 2010 10 7.290 0.078 327 2010.875 2010 11 7.204 0.086 330 2010.958 2010 12 7.134 0.102 170 2011.042 2011 1 7.061 0.088 280 2011.125 2011 2 6.995 0.096 131 2011.208 2011 3 6.948 0.092 329 2011.292 2011 4 6.878 0.093 319 2011.375 2011 5 6.785 0.095 292 2011.458 2011 6 6.666 0.105 305 2011.542 2011 7 6.393 0.094 314 2011.625 2011 8 6.208 0.086 323 2011.708 2011 9 6.065 0.078 315 2011.792 2011 10 6.025 0.072 317 2011.875 2011 11 5.975 0.069 304 2011.958 2011 12 5.910 0.081 290 2012.042 2012 1 5.829 0.072 322 2012.125 2012 2 5.799 0.079 213 2012.208 2012 3 5.726 0.065 316 2012.292 2012 4 5.681 0.064 204 2012.375 2012 5 5.580 0.076 316 2012.458 2012 6 5.425 0.070 146 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 5.172 0.082 277 2012.792 2012 10 5.110 0.069 316 2012.875 2012 11 5.049 0.064 192 2012.958 2012 12 4.904 0.098 288 2013.042 2013 1 4.849 0.099 328 2013.125 2013 2 4.799 0.089 274 2013.208 2013 3 4.792 0.062 287 2013.292 2013 4 4.769 0.061 318 2013.375 2013 5 4.744 0.072 291 2013.458 2013 6 4.648 0.071 257 2013.542 2013 7 4.353 0.130 177 2013.625 2013 8 4.297 0.067 116 2013.708 2013 9 4.261 0.049 43 2013.792 2013 10 4.243 0.061 324 2013.875 2013 11 4.160 0.071 268 2013.958 2013 12 4.046 0.089 263 2014.042 2014 1 4.021 0.057 229 2014.125 2014 2 3.897 0.080 301 2014.208 2014 3 3.953 0.051 335 2014.292 2014 4 3.949 0.047 100 2014.375 2014 5 3.980 0.045 223 2014.458 2014 6 3.928 0.061 313 2014.542 2014 7 3.796 0.055 292 2014.625 2014 8 3.684 0.067 256 2014.708 2014 9 3.608 0.049 316 2014.792 2014 10 3.552 0.053 247 2014.875 2014 11 3.436 0.053 272 2014.958 2014 12 3.446 0.070 312 2015.042 2015 1 3.474 0.051 252 2015.125 2015 2 3.419 0.067 241 2015.208 2015 3 3.455 0.053 202 2015.292 2015 4 3.448 0.058 307 2015.375 2015 5 3.443 0.044 207 2015.458 2015 6 3.403 0.043 168 2015.542 2015 7 3.320 0.071 317 2015.625 2015 8 3.209 0.042 303 2015.708 2015 9 3.159 0.041 158 2015.792 2015 10 NaN NaN 0 2015.875 2015 11 NaN NaN 0 2015.958 2015 12 NaN NaN 0 2016.042 2016 1 NaN NaN 0 2016.125 2016 2 NaN NaN 0 2016.208 2016 3 2.921 0.053 236 2016.292 2016 4 2.919 0.038 121 2016.375 2016 5 2.918 0.040 232 2016.458 2016 6 2.870 0.049 166 2016.542 2016 7 2.767 0.066 256 2016.625 2016 8 2.694 0.049 305 2016.708 2016 9 2.615 0.059 255 2016.792 2016 10 2.566 0.052 193 2016.875 2016 11 2.535 0.054 233 2016.958 2016 12 2.554 0.043 146 2017.042 2017 1 2.532 0.041 223 2017.125 2017 2 2.528 0.047 193 2017.208 2017 3 2.505 0.040 219 2017.292 2017 4 2.472 0.040 169 2017.375 2017 5 2.449 0.038 214 2017.458 2017 6 2.392 0.038 207 2017.542 2017 7 2.351 0.043 70 2017.625 2017 8 2.289 0.043 218 2017.708 2017 9 2.225 0.040 217 2017.792 2017 10 2.193 0.030 244 2017.875 2017 11 2.157 0.037 187 2017.958 2017 12 2.135 0.035 211 2018.042 2018 1 2.117 0.033 135 2018.125 2018 2 2.111 0.034 197 2018.208 2018 3 2.093 0.031 196 2018.292 2018 4 2.078 0.031 194 2018.375 2018 5 2.061 0.035 267 2018.458 2018 6 2.022 0.037 223 2018.542 2018 7 1.980 0.040 262 2018.625 2018 8 1.930 0.036 179 2018.708 2018 9 1.896 0.038 186 2018.792 2018 10 1.839 0.034 220 2018.875 2018 11 1.825 0.033 153 2018.958 2018 12 1.815 0.040 217 2019.042 2019 1 1.804 0.036 221 2019.125 2019 2 1.815 0.042 208 2019.208 2019 3 1.807 0.040 207 2019.292 2019 4 1.804 0.044 169 2019.375 2019 5 1.767 0.042 219 2019.458 2019 6 1.731 0.040 139 2019.542 2019 7 1.675 0.034 177 2019.625 2019 8 1.642 0.029 192 2019.708 2019 9 1.618 0.027 193 2019.792 2019 10 1.604 0.026 180 2019.875 2019 11 1.591 0.031 165 2019.958 2019 12 1.576 0.027 215 2020.042 2020 1 1.580 0.035 197 2020.125 2020 2 1.569 0.040 195 2020.208 2020 3 1.578 0.038 114 2020.292 2020 4 1.590 0.039 189 2020.375 2020 5 1.589 0.037 222 2020.458 2020 6 1.587 0.056 204 2020.542 2020 7 1.513 0.074 65 2020.625 2020 8 1.475 0.056 158 2020.708 2020 9 1.479 0.051 183 2020.792 2020 10 1.453 0.052 296 2020.875 2020 11 1.447 0.052 289 2020.958 2020 12 1.441 0.050 251 2021.042 2021 1 1.444 0.056 241 2021.125 2021 2 1.433 0.047 217 2021.208 2021 3 1.438 0.041 301 2021.292 2021 4 1.445 0.039 266 2021.375 2021 5 1.419 0.035 307 2021.458 2021 6 1.389 0.038 264 2021.542 2021 7 1.348 0.037 279 2021.625 2021 8 1.306 0.028 302 2021.708 2021 9 1.315 0.030 302 2021.792 2021 10 1.292 0.029 272 2021.875 2021 11 1.271 0.029 270 2021.958 2021 12 1.268 0.027 286 2022.042 2022 1 1.272 0.028 308 2022.125 2022 2 1.261 0.032 57 2022.208 2022 3 1.271 0.033 282 2022.292 2022 4 1.259 0.027 237 2022.375 2022 5 1.243 0.026 264 2022.458 2022 6 1.216 0.028 61 2022.542 2022 7 1.195 0.029 129 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 1.124 0.025 66 2022.792 2022 10 1.133 0.032 127 2022.875 2022 11 1.142 0.023 47 2022.958 2022 12 1.128 0.032 233 2023.042 2023 1 1.122 0.032 140 2023.125 2023 2 1.116 0.037 281 2023.208 2023 3 1.112 0.040 313 2023.292 2023 4 1.124 0.041 275 2023.375 2023 5 1.108 0.026 124 2023.458 2023 6 1.086 0.028 294 2023.542 2023 7 1.054 0.023 285 2023.625 2023 8 1.042 0.026 309 2023.708 2023 9 1.036 0.028 252 2023.792 2023 10 1.021 0.025 267 2023.875 2023 11 1.031 0.026 301 2023.958 2023 12 1.028 0.025 307