# 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 64.590 0.540 180 2010.792 2010 10 65.819 0.268 248 2010.875 2010 11 66.333 0.278 306 2010.958 2010 12 66.809 0.370 106 2011.042 2011 1 66.794 0.342 228 2011.125 2011 2 66.830 0.286 112 2011.208 2011 3 66.667 0.281 318 2011.292 2011 4 66.744 0.255 290 2011.375 2011 5 67.165 0.254 259 2011.458 2011 6 67.367 0.189 287 2011.542 2011 7 67.715 0.279 249 2011.625 2011 8 68.575 0.310 295 2011.708 2011 9 69.575 0.416 230 2011.792 2011 10 70.132 0.279 279 2011.875 2011 11 71.048 0.470 272 2011.958 2011 12 72.045 0.336 186 2012.042 2012 1 71.863 0.551 248 2012.125 2012 2 71.610 0.360 183 2012.208 2012 3 71.738 0.274 257 2012.292 2012 4 71.663 0.199 198 2012.375 2012 5 71.729 0.231 291 2012.458 2012 6 71.854 0.175 110 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 74.738 0.389 258 2012.792 2012 10 75.675 0.537 244 2012.875 2012 11 76.384 0.322 185 2012.958 2012 12 76.693 0.708 244 2013.042 2013 1 77.080 0.631 292 2013.125 2013 2 77.101 0.480 205 2013.208 2013 3 76.773 0.280 271 2013.292 2013 4 76.919 0.252 303 2013.375 2013 5 77.454 0.232 267 2013.458 2013 6 77.910 0.354 163 2013.542 2013 7 77.986 0.199 99 2013.625 2013 8 78.958 0.344 175 2013.708 2013 9 79.472 0.343 145 2013.792 2013 10 80.495 0.316 308 2013.875 2013 11 81.444 0.389 218 2013.958 2013 12 81.945 0.288 172 2014.042 2014 1 81.851 0.374 180 2014.125 2014 2 82.484 0.463 111 2014.208 2014 3 82.703 0.330 318 2014.292 2014 4 82.062 0.225 80 2014.375 2014 5 82.746 0.217 150 2014.458 2014 6 83.110 0.338 267 2014.542 2014 7 83.878 0.369 236 2014.625 2014 8 84.448 0.188 233 2014.708 2014 9 85.424 0.417 285 2014.792 2014 10 86.148 0.276 215 2014.875 2014 11 87.243 0.477 203 2014.958 2014 12 88.053 0.363 301 2015.042 2015 1 87.902 0.362 212 2015.125 2015 2 87.976 0.362 219 2015.208 2015 3 87.799 0.309 162 2015.292 2015 4 87.704 0.250 315 2015.375 2015 5 87.898 0.268 193 2015.458 2015 6 88.602 0.245 157 2015.542 2015 7 89.157 0.299 298 2015.625 2015 8 90.190 0.572 184 2015.708 2015 9 91.014 0.148 89 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 93.938 0.322 216 2016.292 2016 4 94.162 0.325 92 2016.375 2016 5 94.453 0.300 205 2016.458 2016 6 94.801 0.637 141 2016.542 2016 7 95.840 0.470 150 2016.625 2016 8 96.397 0.305 267 2016.708 2016 9 96.995 0.332 194 2016.792 2016 10 98.773 0.827 63 2016.875 2016 11 99.860 0.420 162 2016.958 2016 12 100.621 0.474 88 2017.042 2017 1 100.974 0.400 196 2017.125 2017 2 100.709 0.395 133 2017.208 2017 3 101.014 0.413 147 2017.292 2017 4 100.855 0.291 121 2017.375 2017 5 100.979 0.240 209 2017.458 2017 6 101.549 0.241 191 2017.542 2017 7 102.056 0.614 58 2017.625 2017 8 103.139 0.216 186 2017.708 2017 9 103.985 0.393 124 2017.792 2017 10 105.588 0.291 152 2017.875 2017 11 106.495 0.306 141 2017.958 2017 12 106.902 0.401 156 2018.042 2018 1 106.527 0.281 119 2018.125 2018 2 106.406 0.234 167 2018.208 2018 3 106.415 0.203 195 2018.292 2018 4 106.947 0.210 190 2018.375 2018 5 107.098 0.247 248 2018.458 2018 6 107.326 0.323 165 2018.542 2018 7 107.847 0.328 191 2018.625 2018 8 108.248 0.243 151 2018.708 2018 9 109.022 0.287 175 2018.792 2018 10 110.251 0.513 176 2018.875 2018 11 111.638 0.485 133 2018.958 2018 12 112.269 0.312 158 2019.042 2019 1 112.615 0.368 163 2019.125 2019 2 112.631 0.345 188 2019.208 2019 3 112.713 0.308 217 2019.292 2019 4 112.810 0.344 130 2019.375 2019 5 112.626 0.240 221 2019.458 2019 6 113.190 0.393 118 2019.542 2019 7 113.953 0.280 158 2019.625 2019 8 114.283 0.348 136 2019.708 2019 9 115.752 0.343 148 2019.792 2019 10 116.509 0.466 167 2019.875 2019 11 118.051 0.414 83 2019.958 2019 12 118.689 0.417 133 2020.042 2020 1 118.558 0.302 187 2020.125 2020 2 118.477 0.297 175 2020.208 2020 3 118.530 0.270 123 2020.292 2020 4 118.292 0.313 167 2020.375 2020 5 118.154 0.306 215 2020.458 2020 6 118.517 0.546 182 2020.542 2020 7 119.312 0.362 55 2020.625 2020 8 119.756 0.411 156 2020.708 2020 9 120.916 0.598 153 2020.792 2020 10 122.403 0.417 255 2020.875 2020 11 123.298 0.428 267 2020.958 2020 12 123.655 0.436 225 2021.042 2021 1 123.627 0.507 143 2021.125 2021 2 124.041 0.393 186 2021.208 2021 3 123.907 0.327 267 2021.292 2021 4 124.031 0.275 215 2021.375 2021 5 124.142 0.334 260 2021.458 2021 6 125.002 0.419 207 2021.542 2021 7 125.707 0.364 263 2021.625 2021 8 126.218 0.512 267 2021.708 2021 9 126.828 0.587 253 2021.792 2021 10 128.161 0.423 220 2021.875 2021 11 129.386 0.543 264 2021.958 2021 12 130.536 0.372 254 2022.042 2022 1 130.325 0.386 271 2022.125 2022 2 129.956 0.429 35 2022.208 2022 3 129.910 0.313 256 2022.292 2022 4 130.033 0.238 236 2022.375 2022 5 130.052 0.296 262 2022.458 2022 6 130.438 0.312 51 2022.542 2022 7 130.554 0.427 78 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 132.464 0.507 42 2022.792 2022 10 133.179 0.502 107 2022.875 2022 11 134.521 0.386 20 2022.958 2022 12 134.920 0.459 212 2023.042 2023 1 134.773 0.679 109 2023.125 2023 2 135.046 0.387 268 2023.208 2023 3 135.185 0.365 312 2023.292 2023 4 135.186 0.463 254 2023.375 2023 5 135.115 0.300 125 2023.458 2023 6 135.139 0.351 188 2023.542 2023 7 135.561 0.331 259 2023.625 2023 8 136.605 0.567 224 2023.708 2023 9 137.443 0.330 231 2023.792 2023 10 138.348 0.533 264 2023.875 2023 11 139.631 0.547 283 2023.958 2023 12 140.823 0.524 240