# 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 33.384 0.453 196 2010.792 2010 10 35.294 1.074 259 2010.875 2010 11 39.133 1.414 312 2010.958 2010 12 43.472 2.064 108 2011.042 2011 1 45.952 0.976 255 2011.125 2011 2 45.930 1.071 122 2011.208 2011 3 46.890 1.070 324 2011.292 2011 4 48.038 0.837 296 2011.375 2011 5 46.910 0.741 291 2011.458 2011 6 44.698 1.295 182 2011.542 2011 7 37.221 2.166 300 2011.625 2011 8 32.656 0.910 318 2011.708 2011 9 32.575 0.555 175 2011.792 2011 10 34.217 1.091 273 2011.875 2011 11 39.088 1.883 236 2011.958 2011 12 43.145 1.235 97 2012.042 2012 1 44.622 1.116 249 2012.125 2012 2 44.640 1.032 151 2012.208 2012 3 46.768 0.720 222 2012.292 2012 4 48.500 1.019 180 2012.375 2012 5 48.682 0.975 310 2012.458 2012 6 44.978 0.721 141 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 35.811 0.472 278 2012.792 2012 10 39.176 1.873 230 2012.875 2012 11 44.833 1.639 174 2012.958 2012 12 52.592 1.668 233 2013.042 2013 1 56.464 1.118 315 2013.125 2013 2 58.210 1.363 248 2013.208 2013 3 59.724 1.116 285 2013.292 2013 4 61.599 0.992 310 2013.375 2013 5 59.895 1.309 293 2013.458 2013 6 55.382 1.262 257 2013.542 2013 7 48.533 2.081 167 2013.625 2013 8 45.822 0.984 285 2013.708 2013 9 44.720 0.588 181 2013.792 2013 10 47.402 1.295 292 2013.875 2013 11 51.653 1.304 267 2013.958 2013 12 54.689 1.297 124 2014.042 2014 1 58.295 0.770 213 2014.125 2014 2 59.745 0.645 138 2014.208 2014 3 59.236 0.872 318 2014.292 2014 4 60.569 1.069 75 2014.375 2014 5 60.347 1.027 193 2014.458 2014 6 57.321 1.231 289 2014.542 2014 7 50.746 1.866 237 2014.625 2014 8 45.960 0.888 254 2014.708 2014 9 44.882 0.509 302 2014.792 2014 10 46.530 0.962 229 2014.875 2014 11 51.524 2.064 210 2014.958 2014 12 56.750 1.207 286 2015.042 2015 1 59.050 1.036 219 2015.125 2015 2 60.143 0.902 234 2015.208 2015 3 59.675 1.193 178 2015.292 2015 4 59.109 0.981 292 2015.375 2015 5 58.318 0.801 182 2015.458 2015 6 54.636 2.190 116 2015.542 2015 7 47.518 1.789 273 2015.625 2015 8 44.088 0.965 251 2015.708 2015 9 42.300 0.352 131 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 63.045 1.145 219 2016.292 2016 4 63.072 0.893 111 2016.375 2016 5 61.311 1.394 229 2016.458 2016 6 55.808 1.765 157 2016.542 2016 7 51.178 1.012 222 2016.625 2016 8 47.024 1.296 278 2016.708 2016 9 43.884 0.944 243 2016.792 2016 10 46.930 2.217 100 2016.875 2016 11 53.671 2.315 143 2016.958 2016 12 61.455 2.296 114 2017.042 2017 1 64.991 1.291 216 2017.125 2017 2 65.684 0.971 137 2017.208 2017 3 67.328 1.741 160 2017.292 2017 4 67.738 0.639 160 2017.375 2017 5 67.119 0.643 171 2017.458 2017 6 61.897 2.184 177 2017.542 2017 7 58.085 1.536 47 2017.625 2017 8 52.355 1.152 204 2017.708 2017 9 49.494 0.726 168 2017.792 2017 10 53.167 1.874 148 2017.875 2017 11 59.198 1.747 118 2017.958 2017 12 63.570 1.141 113 2018.042 2018 1 65.093 0.935 99 2018.125 2018 2 67.411 1.603 120 2018.208 2018 3 72.616 0.818 109 2018.292 2018 4 72.881 0.898 118 2018.375 2018 5 70.337 1.797 257 2018.458 2018 6 62.967 2.432 216 2018.542 2018 7 54.952 2.084 222 2018.625 2018 8 49.371 1.693 171 2018.708 2018 9 44.678 0.668 186 2018.792 2018 10 46.860 1.312 202 2018.875 2018 11 53.504 2.685 122 2018.958 2018 12 60.592 1.879 146 2019.042 2019 1 64.522 1.382 159 2019.125 2019 2 65.210 1.128 186 2019.208 2019 3 64.897 1.417 194 2019.292 2019 4 64.461 1.397 160 2019.375 2019 5 63.089 2.079 142 2019.458 2019 6 56.652 1.679 125 2019.542 2019 7 50.937 1.462 125 2019.625 2019 8 47.918 0.818 132 2019.708 2019 9 46.356 0.489 149 2019.792 2019 10 47.691 1.184 80 2019.875 2019 11 52.208 1.406 60 2019.958 2019 12 65.480 1.316 84 2020.042 2020 1 67.940 0.992 162 2020.125 2020 2 69.618 1.277 70 2020.208 2020 3 70.529 1.312 106 2020.292 2020 4 68.786 2.388 154 2020.375 2020 5 64.453 1.446 191 2020.458 2020 6 61.905 1.497 190 2020.542 2020 7 56.088 1.773 54 2020.625 2020 8 50.379 1.090 160 2020.708 2020 9 49.706 0.912 166 2020.792 2020 10 54.978 2.247 192 2020.875 2020 11 61.439 1.820 230 2020.958 2020 12 65.343 0.947 220 2021.042 2021 1 69.373 0.948 202 2021.125 2021 2 73.450 1.826 124 2021.208 2021 3 77.275 1.746 163 2021.292 2021 4 76.560 1.218 241 2021.375 2021 5 73.532 1.873 282 2021.458 2021 6 70.707 1.984 265 2021.542 2021 7 64.156 3.203 269 2021.625 2021 8 55.320 1.872 283 2021.708 2021 9 53.773 1.501 267 2021.792 2021 10 61.270 2.562 232 2021.875 2021 11 68.275 2.679 265 2021.958 2021 12 77.267 2.955 213 2022.042 2022 1 80.724 1.469 280 2022.125 2022 2 80.562 1.410 57 2022.208 2022 3 82.037 1.535 262 2022.292 2022 4 83.970 1.161 238 2022.375 2022 5 81.099 2.400 264 2022.458 2022 6 74.670 0.972 58 2022.542 2022 7 65.529 2.591 123 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 57.091 0.938 63 2022.792 2022 10 59.285 0.906 116 2022.875 2022 11 66.648 0.506 20 2022.958 2022 12 72.595 1.992 220 2023.042 2023 1 76.331 1.692 125 2023.125 2023 2 77.607 1.202 270 2023.208 2023 3 79.612 1.963 238 2023.292 2023 4 83.343 1.509 211 2023.375 2023 5 82.367 2.070 126 2023.458 2023 6 73.332 3.524 293 2023.542 2023 7 65.980 1.611 269 2023.625 2023 8 61.192 1.850 294 2023.708 2023 9 57.962 0.785 256 2023.792 2023 10 61.550 2.392 260 2023.875 2023 11 71.192 4.710 260 2023.958 2023 12 84.923 3.970 278