# 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 1.444 0.026 278 2010.792 2010 10 1.452 0.030 328 2010.875 2010 11 1.455 0.027 330 2010.958 2010 12 1.470 0.039 166 2011.042 2011 1 1.463 0.035 281 2011.125 2011 2 1.463 0.038 142 2011.208 2011 3 1.460 0.036 328 2011.292 2011 4 1.459 0.037 311 2011.375 2011 5 1.459 0.037 292 2011.458 2011 6 1.446 0.024 295 2011.542 2011 7 1.430 0.022 306 2011.625 2011 8 1.411 0.024 325 2011.708 2011 9 1.403 0.020 315 2011.792 2011 10 1.412 0.023 302 2011.875 2011 11 1.427 0.029 298 2011.958 2011 12 1.447 0.023 110 2012.042 2012 1 1.429 0.024 322 2012.125 2012 2 1.431 0.023 213 2012.208 2012 3 1.441 0.024 313 2012.292 2012 4 1.440 0.023 199 2012.375 2012 5 1.437 0.023 310 2012.458 2012 6 1.420 0.022 146 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 1.387 0.028 277 2012.792 2012 10 1.383 0.027 316 2012.875 2012 11 1.388 0.027 192 2012.958 2012 12 1.396 0.036 290 2013.042 2013 1 1.399 0.036 327 2013.125 2013 2 1.399 0.036 274 2013.208 2013 3 1.399 0.025 296 2013.292 2013 4 1.403 0.022 318 2013.375 2013 5 1.400 0.024 293 2013.458 2013 6 1.381 0.029 261 2013.542 2013 7 1.356 0.031 243 2013.625 2013 8 1.340 0.024 310 2013.708 2013 9 1.326 0.020 183 2013.792 2013 10 1.319 0.022 317 2013.875 2013 11 1.324 0.022 251 2013.958 2013 12 1.326 0.024 265 2014.042 2014 1 1.319 0.023 232 2014.125 2014 2 1.323 0.025 297 2014.208 2014 3 1.318 0.028 335 2014.292 2014 4 1.319 0.023 86 2014.375 2014 5 1.309 0.030 208 2014.458 2014 6 1.296 0.028 314 2014.542 2014 7 1.279 0.026 294 2014.625 2014 8 1.258 0.028 256 2014.708 2014 9 1.252 0.029 314 2014.792 2014 10 1.255 0.030 241 2014.875 2014 11 1.267 0.019 272 2014.958 2014 12 1.258 0.018 312 2015.042 2015 1 1.259 0.019 252 2015.125 2015 2 1.258 0.020 244 2015.208 2015 3 1.255 0.020 201 2015.292 2015 4 1.257 0.019 323 2015.375 2015 5 1.256 0.018 206 2015.458 2015 6 1.244 0.019 167 2015.542 2015 7 1.225 0.018 329 2015.625 2015 8 1.212 0.018 303 2015.708 2015 9 1.200 0.018 158 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 1.191 0.020 236 2016.292 2016 4 1.184 0.024 107 2016.375 2016 5 1.170 0.022 233 2016.458 2016 6 1.152 0.026 166 2016.542 2016 7 1.159 0.027 256 2016.625 2016 8 1.161 0.030 302 2016.708 2016 9 1.146 0.032 255 2016.792 2016 10 1.144 0.020 192 2016.875 2016 11 1.144 0.018 230 2016.958 2016 12 1.146 0.018 138 2017.042 2017 1 1.144 0.020 222 2017.125 2017 2 1.131 0.019 194 2017.208 2017 3 1.131 0.020 219 2017.292 2017 4 1.126 0.019 162 2017.375 2017 5 1.125 0.018 214 2017.458 2017 6 1.118 0.021 207 2017.542 2017 7 1.106 0.022 69 2017.625 2017 8 1.094 0.022 219 2017.708 2017 9 1.077 0.022 215 2017.792 2017 10 1.073 0.019 243 2017.875 2017 11 1.081 0.020 173 2017.958 2017 12 1.073 0.021 208 2018.042 2018 1 1.060 0.020 138 2018.125 2018 2 1.063 0.017 198 2018.208 2018 3 1.069 0.017 196 2018.292 2018 4 1.069 0.017 195 2018.375 2018 5 1.062 0.018 265 2018.458 2018 6 1.048 0.022 219 2018.542 2018 7 1.029 0.023 263 2018.625 2018 8 1.010 0.019 187 2018.708 2018 9 0.993 0.019 187 2018.792 2018 10 0.992 0.020 220 2018.875 2018 11 0.999 0.021 155 2018.958 2018 12 1.004 0.023 215 2019.042 2019 1 1.006 0.023 213 2019.125 2019 2 1.003 0.022 208 2019.208 2019 3 0.996 0.021 221 2019.292 2019 4 0.985 0.022 194 2019.375 2019 5 0.981 0.021 222 2019.458 2019 6 0.968 0.023 138 2019.542 2019 7 0.957 0.023 178 2019.625 2019 8 0.946 0.024 192 2019.708 2019 9 0.943 0.018 195 2019.792 2019 10 0.935 0.017 181 2019.875 2019 11 0.945 0.020 172 2019.958 2019 12 0.944 0.022 213 2020.042 2020 1 0.946 0.018 197 2020.125 2020 2 0.943 0.022 195 2020.208 2020 3 0.955 0.028 124 2020.292 2020 4 0.953 0.027 189 2020.375 2020 5 0.939 0.038 91 2020.458 2020 6 0.878 NaN 1 2020.542 2020 7 NaN NaN 0 2020.625 2020 8 0.934 0.033 65 2020.708 2020 9 0.932 0.037 183 2020.792 2020 10 0.949 0.040 295 2020.875 2020 11 0.979 0.039 299 2020.958 2020 12 0.986 0.032 252 2021.042 2021 1 0.979 0.033 240 2021.125 2021 2 0.980 0.036 221 2021.208 2021 3 0.971 0.036 301 2021.292 2021 4 0.966 0.038 268 2021.375 2021 5 0.968 0.036 305 2021.458 2021 6 0.976 0.038 265 2021.542 2021 7 0.960 0.028 283 2021.625 2021 8 0.945 0.028 304 2021.708 2021 9 0.945 0.027 303 2021.792 2021 10 0.954 0.024 274 2021.875 2021 11 0.954 0.028 271 2021.958 2021 12 0.962 0.028 287 2022.042 2022 1 0.965 0.022 307 2022.125 2022 2 0.954 0.026 55 2022.208 2022 3 0.951 0.026 286 2022.292 2022 4 0.956 0.027 236 2022.375 2022 5 0.960 0.029 262 2022.458 2022 6 0.952 0.026 61 2022.542 2022 7 0.936 0.027 130 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 0.916 0.030 66 2022.792 2022 10 0.919 0.031 126 2022.875 2022 11 0.922 0.026 46 2022.958 2022 12 0.924 0.031 230 2023.042 2023 1 0.928 0.035 140 2023.125 2023 2 0.926 0.031 283 2023.208 2023 3 0.927 0.030 314 2023.292 2023 4 0.919 0.029 290 2023.375 2023 5 0.923 0.028 128 2023.458 2023 6 0.915 0.029 296 2023.542 2023 7 0.907 0.028 287 2023.625 2023 8 0.924 0.030 306 2023.708 2023 9 0.927 0.025 257 2023.792 2023 10 0.921 0.023 271 2023.875 2023 11 0.943 0.023 303 2023.958 2023 12 0.946 0.024 306