# 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 1.986 0.151 173 2010.792 2010 10 2.602 0.246 194 2010.875 2010 11 3.137 0.234 229 2010.958 2010 12 3.725 0.258 78 2011.042 2011 1 4.053 0.132 216 2011.125 2011 2 4.054 0.146 118 2011.208 2011 3 3.810 0.243 317 2011.292 2011 4 3.390 0.343 296 2011.375 2011 5 2.630 0.515 209 2011.458 2011 6 2.007 0.097 241 2011.542 2011 7 1.729 0.131 291 2011.625 2011 8 1.542 0.049 310 2011.708 2011 9 1.676 0.113 181 2011.792 2011 10 2.012 0.143 275 2011.875 2011 11 2.743 0.333 256 2011.958 2011 12 3.598 0.204 207 2012.042 2012 1 3.582 0.182 267 2012.125 2012 2 3.556 0.175 179 2012.208 2012 3 3.571 0.193 280 2012.292 2012 4 3.079 0.280 200 2012.375 2012 5 2.553 0.353 320 2012.458 2012 6 2.103 0.097 143 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 1.618 0.076 244 2012.792 2012 10 1.927 0.207 186 2012.875 2012 11 2.536 0.126 112 2012.958 2012 12 3.086 0.118 181 2013.042 2013 1 3.412 0.202 236 2013.125 2013 2 3.545 0.178 191 2013.208 2013 3 3.383 0.192 295 2013.292 2013 4 3.050 0.275 235 2013.375 2013 5 2.481 0.306 287 2013.458 2013 6 1.937 0.252 103 2013.542 2013 7 1.476 0.045 192 2013.625 2013 8 1.483 0.064 268 2013.708 2013 9 1.493 0.062 144 2013.792 2013 10 1.949 0.166 301 2013.875 2013 11 2.520 0.210 246 2013.958 2013 12 2.925 0.075 154 2014.042 2014 1 3.112 0.125 175 2014.125 2014 2 3.611 0.155 122 2014.208 2014 3 3.569 0.205 321 2014.292 2014 4 2.930 0.286 213 2014.375 2014 5 2.263 0.293 205 2014.458 2014 6 1.960 0.181 280 2014.542 2014 7 1.626 0.110 272 2014.625 2014 8 1.402 0.027 253 2014.708 2014 9 1.574 0.090 283 2014.792 2014 10 1.925 0.141 237 2014.875 2014 11 2.446 0.173 163 2014.958 2014 12 3.232 0.106 288 2015.042 2015 1 3.336 0.098 216 2015.125 2015 2 3.470 0.093 191 2015.208 2015 3 3.457 0.123 176 2015.292 2015 4 3.026 0.337 232 2015.375 2015 5 2.563 0.237 201 2015.458 2015 6 2.067 0.155 158 2015.542 2015 7 1.656 0.096 289 2015.625 2015 8 1.480 0.027 238 2015.708 2015 9 1.479 0.028 111 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 3.400 0.116 208 2016.292 2016 4 2.811 0.238 121 2016.375 2016 5 2.596 0.210 210 2016.458 2016 6 1.939 0.134 156 2016.542 2016 7 1.572 0.089 143 2016.625 2016 8 1.408 0.039 281 2016.708 2016 9 1.391 0.042 179 2016.792 2016 10 1.693 0.153 48 2016.875 2016 11 2.500 0.189 69 2016.958 2016 12 2.999 0.149 67 2017.042 2017 1 3.287 0.081 165 2017.125 2017 2 3.183 0.069 112 2017.208 2017 3 3.299 0.181 217 2017.292 2017 4 2.913 0.268 171 2017.375 2017 5 2.126 0.270 187 2017.458 2017 6 1.817 0.135 134 2017.542 2017 7 1.572 0.068 62 2017.625 2017 8 1.413 0.033 212 2017.708 2017 9 1.487 0.087 150 2017.792 2017 10 2.048 0.117 83 2017.875 2017 11 2.535 0.145 121 2017.958 2017 12 2.948 0.129 109 2018.042 2018 1 3.051 0.114 110 2018.125 2018 2 3.156 0.110 175 2018.208 2018 3 3.033 0.109 193 2018.292 2018 4 2.982 0.192 189 2018.375 2018 5 2.472 0.227 251 2018.458 2018 6 1.833 0.141 185 2018.542 2018 7 1.469 0.085 235 2018.625 2018 8 1.251 0.053 167 2018.708 2018 9 1.260 0.056 172 2018.792 2018 10 1.549 0.177 144 2018.875 2018 11 2.093 0.217 90 2018.958 2018 12 2.773 0.133 133 2019.042 2019 1 3.044 0.132 131 2019.125 2019 2 3.142 0.129 186 2019.208 2019 3 3.127 0.120 216 2019.292 2019 4 2.780 0.214 151 2019.375 2019 5 2.086 0.198 207 2019.458 2019 6 1.803 0.098 137 2019.542 2019 7 1.459 0.102 143 2019.625 2019 8 1.267 0.025 131 2019.708 2019 9 1.377 0.054 125 2019.792 2019 10 1.610 0.069 121 2019.875 2019 11 2.213 0.174 89 2019.958 2019 12 2.770 0.139 124 2020.042 2020 1 2.918 0.117 181 2020.125 2020 2 2.946 0.100 116 2020.208 2020 3 2.669 0.126 109 2020.292 2020 4 2.529 0.175 158 2020.375 2020 5 1.943 0.157 220 2020.458 2020 6 1.630 0.121 195 2020.542 2020 7 1.290 0.074 42 2020.625 2020 8 1.147 0.023 151 2020.708 2020 9 1.222 0.062 82 2020.792 2020 10 1.704 0.133 203 2020.875 2020 11 2.175 0.124 226 2020.958 2020 12 2.424 0.082 200 2021.042 2021 1 2.582 0.053 159 2021.125 2021 2 2.843 0.100 184 2021.208 2021 3 2.834 0.118 277 2021.292 2021 4 2.515 0.223 260 2021.375 2021 5 2.030 0.197 297 2021.458 2021 6 1.712 0.092 249 2021.542 2021 7 1.430 0.114 271 2021.625 2021 8 1.210 0.033 296 2021.708 2021 9 1.273 0.074 216 2021.792 2021 10 1.690 0.136 212 2021.875 2021 11 2.214 0.192 256 2021.958 2021 12 2.718 0.178 170 2022.042 2022 1 2.966 0.119 213 2022.125 2022 2 3.058 0.104 26 2022.208 2022 3 2.930 0.142 266 2022.292 2022 4 2.480 0.395 238 2022.375 2022 5 1.938 0.339 261 2022.458 2022 6 1.870 0.083 60 2022.542 2022 7 1.358 0.090 129 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 1.279 0.092 48 2022.792 2022 10 1.753 0.137 107 2022.875 2022 11 2.319 0.040 25 2022.958 2022 12 2.270 0.100 176 2023.042 2023 1 2.482 0.144 96 2023.125 2023 2 2.579 0.079 262 2023.208 2023 3 2.510 0.098 306 2023.292 2023 4 2.263 0.224 244 2023.375 2023 5 1.618 0.280 73 2023.458 2023 6 1.436 0.090 111 2023.542 2023 7 1.153 0.047 225 2023.625 2023 8 1.105 0.025 189 2023.708 2023 9 1.183 0.027 199 2023.792 2023 10 1.367 0.120 213 2023.875 2023 11 1.800 0.169 206 2023.958 2023 12 2.338 0.122 125