# 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 22.224 0.097 234 2010.792 2010 10 22.377 0.078 206 2010.875 2010 11 22.514 0.069 228 2010.958 2010 12 22.655 0.106 128 2011.042 2011 1 22.544 0.098 278 2011.125 2011 2 22.347 0.078 130 2011.208 2011 3 22.338 0.071 327 2011.292 2011 4 22.387 0.078 300 2011.375 2011 5 22.561 0.103 291 2011.458 2011 6 22.662 0.076 298 2011.542 2011 7 22.750 0.063 279 2011.625 2011 8 22.772 0.055 309 2011.708 2011 9 22.910 0.071 307 2011.792 2011 10 23.045 0.074 311 2011.875 2011 11 23.197 0.062 290 2011.958 2011 12 23.201 0.089 272 2012.042 2012 1 23.008 0.101 271 2012.125 2012 2 22.917 0.080 208 2012.208 2012 3 22.872 0.061 309 2012.292 2012 4 22.856 0.060 193 2012.375 2012 5 22.904 0.063 306 2012.458 2012 6 22.944 0.058 141 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 23.129 0.080 273 2012.792 2012 10 23.270 0.079 311 2012.875 2012 11 23.334 0.057 190 2012.958 2012 12 23.293 0.065 61 2013.042 2013 1 NaN NaN 0 2013.125 2013 2 NaN NaN 0 2013.208 2013 3 23.025 0.052 209 2013.292 2013 4 23.118 0.072 304 2013.375 2013 5 23.170 0.061 285 2013.458 2013 6 23.238 0.091 243 2013.542 2013 7 23.225 0.061 224 2013.625 2013 8 23.174 0.067 115 2013.708 2013 9 23.340 0.101 37 2013.792 2013 10 23.344 0.069 306 2013.875 2013 11 23.423 0.050 250 2013.958 2013 12 23.410 0.058 259 2014.042 2014 1 23.286 0.057 225 2014.125 2014 2 23.264 0.074 260 2014.208 2014 3 23.184 0.055 333 2014.292 2014 4 23.130 0.057 85 2014.375 2014 5 23.207 0.061 203 2014.458 2014 6 23.284 0.055 308 2014.542 2014 7 23.330 0.071 281 2014.625 2014 8 23.377 0.060 249 2014.708 2014 9 23.408 0.065 307 2014.792 2014 10 23.476 0.062 233 2014.875 2014 11 23.506 0.069 270 2014.958 2014 12 23.415 0.058 309 2015.042 2015 1 23.352 0.052 249 2015.125 2015 2 23.233 0.073 232 2015.208 2015 3 23.156 0.060 198 2015.292 2015 4 23.230 0.061 314 2015.375 2015 5 23.309 0.060 206 2015.458 2015 6 23.467 0.051 155 2015.542 2015 7 23.462 0.052 242 2015.625 2015 8 23.441 0.051 287 2015.708 2015 9 23.493 0.046 152 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 23.202 0.053 219 2016.292 2016 4 23.259 0.056 117 2016.375 2016 5 23.325 0.054 231 2016.458 2016 6 23.374 0.055 165 2016.542 2016 7 23.409 0.062 253 2016.625 2016 8 23.372 0.064 302 2016.708 2016 9 23.303 0.066 249 2016.792 2016 10 23.482 0.097 152 2016.875 2016 11 23.522 0.058 228 2016.958 2016 12 23.575 0.066 120 2017.042 2017 1 23.520 0.049 221 2017.125 2017 2 23.443 0.059 178 2017.208 2017 3 23.406 0.048 210 2017.292 2017 4 23.361 0.044 159 2017.375 2017 5 23.382 0.048 214 2017.458 2017 6 23.422 0.047 201 2017.542 2017 7 23.435 0.068 60 2017.625 2017 8 23.448 0.061 208 2017.708 2017 9 23.404 0.056 194 2017.792 2017 10 23.446 0.077 243 2017.875 2017 11 23.479 0.045 184 2017.958 2017 12 23.423 0.057 194 2018.042 2018 1 23.269 0.068 133 2018.125 2018 2 23.204 0.054 195 2018.208 2018 3 23.248 0.050 162 2018.292 2018 4 23.237 0.037 192 2018.375 2018 5 23.239 0.037 248 2018.458 2018 6 23.222 0.049 212 2018.542 2018 7 23.192 0.047 253 2018.625 2018 8 23.143 0.056 177 2018.708 2018 9 23.059 0.044 187 2018.792 2018 10 23.173 0.049 216 2018.875 2018 11 23.283 0.053 154 2018.958 2018 12 23.293 0.051 220 2019.042 2019 1 23.236 0.049 217 2019.125 2019 2 23.169 0.051 208 2019.208 2019 3 23.103 0.052 210 2019.292 2019 4 23.113 0.048 176 2019.375 2019 5 23.141 0.046 209 2019.458 2019 6 23.155 0.049 137 2019.542 2019 7 23.097 0.062 162 2019.625 2019 8 23.079 0.063 180 2019.708 2019 9 23.152 0.066 153 2019.792 2019 10 23.217 0.055 155 2019.875 2019 11 23.307 0.062 80 2019.958 2019 12 23.198 0.050 144 2020.042 2020 1 23.122 0.057 195 2020.125 2020 2 23.020 0.068 188 2020.208 2020 3 22.978 0.060 123 2020.292 2020 4 22.971 0.047 174 2020.375 2020 5 22.938 0.058 221 2020.458 2020 6 22.931 0.058 117 2020.542 2020 7 NaN NaN 0 2020.625 2020 8 22.813 0.080 159 2020.708 2020 9 22.821 0.077 182 2020.792 2020 10 22.861 0.074 298 2020.875 2020 11 22.877 0.073 293 2020.958 2020 12 22.847 0.067 250 2021.042 2021 1 22.753 0.076 239 2021.125 2021 2 22.766 0.088 193 2021.208 2021 3 22.777 0.073 301 2021.292 2021 4 22.718 0.065 266 2021.375 2021 5 22.703 0.066 297 2021.458 2021 6 22.728 0.067 263 2021.542 2021 7 22.699 0.075 274 2021.625 2021 8 22.594 0.077 300 2021.708 2021 9 22.550 0.063 292 2021.792 2021 10 22.634 0.059 266 2021.875 2021 11 22.670 0.070 268 2021.958 2021 12 22.678 0.071 286 2022.042 2022 1 22.618 0.076 285 2022.125 2022 2 22.512 0.062 37 2022.208 2022 3 22.498 0.071 275 2022.292 2022 4 22.542 0.062 226 2022.375 2022 5 22.528 0.058 264 2022.458 2022 6 22.475 0.043 60 2022.542 2022 7 22.395 0.061 115 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 22.260 0.061 63 2022.792 2022 10 22.252 0.070 115 2022.875 2022 11 22.269 0.076 47 2022.958 2022 12 22.211 0.081 233 2023.042 2023 1 22.155 0.080 137 2023.125 2023 2 22.197 0.078 281 2023.208 2023 3 22.214 0.076 204 2023.292 2023 4 22.160 0.082 275 2023.375 2023 5 22.147 0.067 125 2023.458 2023 6 22.102 0.077 292 2023.542 2023 7 22.092 0.094 264 2023.625 2023 8 22.088 0.076 300 2023.708 2023 9 22.025 0.071 247 2023.792 2023 10 22.007 0.065 267 2023.875 2023 11 22.070 0.064 304 2023.958 2023 12 22.092 0.069 302