# 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 1.744 0.029 278 2010.792 2010 10 1.779 0.020 330 2010.875 2010 11 1.785 0.022 331 2010.958 2010 12 1.802 0.024 165 2011.042 2011 1 1.797 0.024 281 2011.125 2011 2 1.785 0.028 146 2011.208 2011 3 1.781 0.023 331 2011.292 2011 4 1.788 0.024 320 2011.375 2011 5 1.800 0.024 292 2011.458 2011 6 1.810 0.024 295 2011.542 2011 7 1.808 0.019 300 2011.625 2011 8 1.803 0.016 319 2011.708 2011 9 1.810 0.015 317 2011.792 2011 10 1.827 0.019 303 2011.875 2011 11 1.852 0.024 291 2011.958 2011 12 1.876 0.022 274 2012.042 2012 1 1.869 0.016 316 2012.125 2012 2 1.864 0.015 205 2012.208 2012 3 1.866 0.015 308 2012.292 2012 4 1.864 0.015 191 2012.375 2012 5 1.875 0.017 314 2012.458 2012 6 1.876 0.013 142 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 1.920 0.026 276 2012.792 2012 10 1.957 0.028 316 2012.875 2012 11 1.976 0.026 191 2012.958 2012 12 2.003 0.028 291 2013.042 2013 1 2.008 0.031 328 2013.125 2013 2 1.996 0.034 276 2013.208 2013 3 1.985 0.020 288 2013.292 2013 4 1.990 0.017 316 2013.375 2013 5 2.006 0.018 293 2013.458 2013 6 2.040 0.023 255 2013.542 2013 7 2.041 0.026 29 2013.625 2013 8 2.053 0.022 185 2013.708 2013 9 2.046 0.024 182 2013.792 2013 10 2.063 0.025 324 2013.875 2013 11 2.087 0.023 271 2013.958 2013 12 2.093 0.026 263 2014.042 2014 1 2.085 0.023 230 2014.125 2014 2 2.067 0.026 300 2014.208 2014 3 2.076 0.025 335 2014.292 2014 4 2.069 0.021 97 2014.375 2014 5 2.097 0.027 238 2014.458 2014 6 2.124 0.024 310 2014.542 2014 7 2.137 0.024 282 2014.625 2014 8 2.143 0.022 255 2014.708 2014 9 2.137 0.021 315 2014.792 2014 10 2.151 0.028 239 2014.875 2014 11 2.179 0.017 270 2014.958 2014 12 2.179 0.023 312 2015.042 2015 1 2.188 0.014 255 2015.125 2015 2 2.168 0.021 244 2015.208 2015 3 2.164 0.020 201 2015.292 2015 4 2.173 0.021 324 2015.375 2015 5 2.193 0.015 206 2015.458 2015 6 2.217 0.020 168 2015.542 2015 7 2.226 0.018 330 2015.625 2015 8 2.224 0.019 302 2015.708 2015 9 2.225 0.017 156 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 2.282 0.019 236 2016.292 2016 4 2.292 0.022 120 2016.375 2016 5 2.302 0.021 232 2016.458 2016 6 2.321 0.023 167 2016.542 2016 7 2.328 0.024 256 2016.625 2016 8 2.312 0.028 302 2016.708 2016 9 2.317 0.034 247 2016.792 2016 10 2.379 0.031 184 2016.875 2016 11 2.401 0.019 232 2016.958 2016 12 2.432 0.022 142 2017.042 2017 1 2.435 0.014 224 2017.125 2017 2 2.438 0.015 192 2017.208 2017 3 2.434 0.015 220 2017.292 2017 4 2.425 0.015 158 2017.375 2017 5 2.439 0.017 213 2017.458 2017 6 2.462 0.017 205 2017.542 2017 7 2.456 0.017 68 2017.625 2017 8 2.440 0.021 213 2017.708 2017 9 2.444 0.023 211 2017.792 2017 10 2.481 0.022 246 2017.875 2017 11 2.499 0.020 186 2017.958 2017 12 2.518 0.016 209 2018.042 2018 1 2.504 0.020 136 2018.125 2018 2 2.503 0.016 199 2018.208 2018 3 2.502 0.013 196 2018.292 2018 4 2.507 0.015 194 2018.375 2018 5 2.512 0.016 267 2018.458 2018 6 2.514 0.017 225 2018.542 2018 7 2.510 0.017 261 2018.625 2018 8 2.499 0.019 186 2018.708 2018 9 2.494 0.018 187 2018.792 2018 10 2.530 0.030 216 2018.875 2018 11 2.578 0.020 152 2018.958 2018 12 2.615 0.025 215 2019.042 2019 1 2.616 0.020 221 2019.125 2019 2 2.605 0.019 207 2019.208 2019 3 2.597 0.020 221 2019.292 2019 4 2.607 0.021 186 2019.375 2019 5 2.604 0.017 222 2019.458 2019 6 2.625 0.022 135 2019.542 2019 7 2.609 0.023 172 2019.625 2019 8 2.602 0.030 181 2019.708 2019 9 2.621 0.022 177 2019.792 2019 10 2.654 0.023 179 2019.875 2019 11 2.721 0.037 162 2019.958 2019 12 2.725 0.029 213 2020.042 2020 1 2.720 0.024 195 2020.125 2020 2 2.699 0.026 187 2020.208 2020 3 2.690 0.019 119 2020.292 2020 4 2.676 0.017 175 2020.375 2020 5 2.675 0.018 212 2020.458 2020 6 2.671 0.024 197 2020.542 2020 7 2.674 0.036 73 2020.625 2020 8 2.666 0.031 159 2020.708 2020 9 2.679 0.035 181 2020.792 2020 10 2.748 0.041 270 2020.875 2020 11 2.810 0.039 278 2020.958 2020 12 2.839 0.034 252 2021.042 2021 1 2.819 0.034 241 2021.125 2021 2 2.818 0.032 222 2021.208 2021 3 2.813 0.036 294 2021.292 2021 4 2.817 0.033 264 2021.375 2021 5 2.818 0.029 305 2021.458 2021 6 2.838 0.032 263 2021.542 2021 7 2.831 0.026 279 2021.625 2021 8 2.829 0.027 300 2021.708 2021 9 2.825 0.028 302 2021.792 2021 10 2.875 0.026 262 2021.875 2021 11 2.924 0.031 268 2021.958 2021 12 2.975 0.032 278 2022.042 2022 1 2.957 0.027 309 2022.125 2022 2 2.937 0.022 56 2022.208 2022 3 2.955 0.025 268 2022.292 2022 4 2.961 0.024 237 2022.375 2022 5 2.956 0.024 260 2022.458 2022 6 2.953 0.027 60 2022.542 2022 7 2.996 0.027 127 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 2.983 0.040 50 2022.792 2022 10 3.000 0.031 110 2022.875 2022 11 3.080 0.020 42 2022.958 2022 12 3.064 0.033 233 2023.042 2023 1 3.094 0.028 128 2023.125 2023 2 3.078 0.031 279 2023.208 2023 3 3.064 0.027 315 2023.292 2023 4 3.066 0.035 277 2023.375 2023 5 3.071 0.028 125 2023.458 2023 6 3.079 0.029 278 2023.542 2023 7 3.057 0.029 281 2023.625 2023 8 3.040 0.026 303 2023.708 2023 9 3.027 0.026 256 2023.792 2023 10 3.037 0.037 269 2023.875 2023 11 3.111 0.034 300 2023.958 2023 12 3.163 0.035 306