# 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 10.220 0.113 180 2010.792 2010 10 10.548 0.099 248 2010.875 2010 11 10.740 0.092 314 2010.958 2010 12 10.952 0.149 102 2011.042 2011 1 11.148 0.094 219 2011.125 2011 2 11.233 0.074 109 2011.208 2011 3 11.268 0.075 322 2011.292 2011 4 11.346 0.072 288 2011.375 2011 5 11.447 0.061 271 2011.458 2011 6 11.528 0.049 288 2011.542 2011 7 11.620 0.070 258 2011.625 2011 8 11.817 0.085 295 2011.708 2011 9 12.051 0.106 198 2011.792 2011 10 12.236 0.077 274 2011.875 2011 11 12.526 0.157 273 2011.958 2011 12 12.912 0.109 72 2012.042 2012 1 12.911 0.154 193 2012.125 2012 2 12.883 0.134 158 2012.208 2012 3 13.040 0.074 228 2012.292 2012 4 13.066 0.060 197 2012.375 2012 5 13.118 0.053 291 2012.458 2012 6 13.159 0.051 148 2012.542 2012 7 NaN NaN 0 2012.625 2012 8 NaN NaN 0 2012.708 2012 9 13.850 0.099 265 2012.792 2012 10 14.119 0.168 229 2012.875 2012 11 14.411 0.112 179 2012.958 2012 12 14.561 0.140 214 2013.042 2013 1 14.809 0.154 254 2013.125 2013 2 14.881 0.130 181 2013.208 2013 3 14.941 0.078 282 2013.292 2013 4 15.068 0.086 302 2013.375 2013 5 15.249 0.069 283 2013.458 2013 6 15.372 0.103 182 2013.542 2013 7 15.400 0.097 169 2013.625 2013 8 15.671 0.083 211 2013.708 2013 9 15.790 0.105 151 2013.792 2013 10 16.151 0.106 306 2013.875 2013 11 16.481 0.134 261 2013.958 2013 12 16.695 0.110 175 2014.042 2014 1 16.804 0.144 188 2014.125 2014 2 17.161 0.136 106 2014.208 2014 3 17.241 0.111 314 2014.292 2014 4 17.149 0.058 79 2014.375 2014 5 17.386 0.066 151 2014.458 2014 6 17.516 0.097 276 2014.542 2014 7 17.726 0.090 262 2014.625 2014 8 17.861 0.071 250 2014.708 2014 9 18.166 0.125 299 2014.792 2014 10 18.405 0.086 205 2014.875 2014 11 18.833 0.158 215 2014.958 2014 12 19.210 0.129 221 2015.042 2015 1 19.279 0.133 208 2015.125 2015 2 19.411 0.125 214 2015.208 2015 3 19.464 0.083 162 2015.292 2015 4 19.540 0.090 311 2015.375 2015 5 19.592 0.092 207 2015.458 2015 6 19.852 0.064 162 2015.542 2015 7 20.031 0.095 315 2015.625 2015 8 20.348 0.175 208 2015.708 2015 9 20.612 0.059 91 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 22.018 0.122 203 2016.292 2016 4 21.984 0.083 120 2016.375 2016 5 22.133 0.069 205 2016.458 2016 6 22.262 0.171 165 2016.542 2016 7 22.591 0.164 185 2016.625 2016 8 22.771 0.098 279 2016.708 2016 9 23.018 0.169 214 2016.792 2016 10 23.624 0.322 79 2016.875 2016 11 24.136 0.195 159 2016.958 2016 12 24.412 0.176 114 2017.042 2017 1 24.657 0.151 170 2017.125 2017 2 24.661 0.105 128 2017.208 2017 3 24.880 0.167 151 2017.292 2017 4 24.930 0.084 88 2017.375 2017 5 25.030 0.099 212 2017.458 2017 6 25.304 0.094 196 2017.542 2017 7 25.515 0.214 66 2017.625 2017 8 25.858 0.088 206 2017.708 2017 9 26.213 0.162 150 2017.792 2017 10 26.887 0.128 135 2017.875 2017 11 27.311 0.119 127 2017.958 2017 12 27.603 0.145 156 2018.042 2018 1 27.628 0.100 116 2018.125 2018 2 27.769 0.113 171 2018.208 2018 3 27.882 0.098 195 2018.292 2018 4 28.253 0.097 191 2018.375 2018 5 28.320 0.072 249 2018.458 2018 6 28.439 0.106 151 2018.542 2018 7 28.619 0.106 201 2018.625 2018 8 28.825 0.077 146 2018.708 2018 9 29.177 0.119 178 2018.792 2018 10 29.720 0.224 179 2018.875 2018 11 30.310 0.220 132 2018.958 2018 12 30.722 0.121 151 2019.042 2019 1 30.956 0.161 147 2019.125 2019 2 31.103 0.126 181 2019.208 2019 3 31.271 0.115 213 2019.292 2019 4 31.389 0.111 145 2019.375 2019 5 31.378 0.090 215 2019.458 2019 6 31.680 0.131 135 2019.542 2019 7 32.040 0.093 158 2019.625 2019 8 32.257 0.133 146 2019.708 2019 9 32.815 0.154 146 2019.792 2019 10 33.214 0.189 166 2019.875 2019 11 33.823 0.165 74 2019.958 2019 12 34.338 0.145 126 2020.042 2020 1 34.465 0.122 186 2020.125 2020 2 34.579 0.140 160 2020.208 2020 3 34.523 0.113 108 2020.292 2020 4 34.602 0.085 166 2020.375 2020 5 34.695 0.101 214 2020.458 2020 6 34.879 0.171 142 2020.542 2020 7 35.222 0.104 62 2020.625 2020 8 35.487 0.132 158 2020.708 2020 9 35.915 0.215 147 2020.792 2020 10 36.643 0.195 241 2020.875 2020 11 37.169 0.196 275 2020.958 2020 12 37.467 0.164 221 2021.042 2021 1 37.611 0.189 225 2021.125 2021 2 37.900 0.244 203 2021.208 2021 3 38.163 0.135 282 2021.292 2021 4 38.235 0.138 265 2021.375 2021 5 38.451 0.130 301 2021.458 2021 6 38.799 0.144 256 2021.542 2021 7 39.188 0.129 274 2021.625 2021 8 39.552 0.213 282 2021.708 2021 9 39.963 0.261 249 2021.792 2021 10 40.622 0.199 221 2021.875 2021 11 41.275 0.253 265 2021.958 2021 12 41.957 0.217 238 2022.042 2022 1 42.179 0.189 233 2022.125 2022 2 42.381 0.190 27 2022.208 2022 3 42.251 0.120 259 2022.292 2022 4 42.479 0.106 237 2022.375 2022 5 42.562 0.112 253 2022.458 2022 6 42.800 0.125 54 2022.542 2022 7 43.147 0.149 83 2022.625 2022 8 NaN NaN 0 2022.708 2022 9 44.376 0.262 52 2022.792 2022 10 44.683 0.229 118 2022.875 2022 11 45.430 0.130 23 2022.958 2022 12 45.519 0.196 220 2023.042 2023 1 45.974 0.275 124 2023.125 2023 2 46.206 0.190 266 2023.208 2023 3 46.436 0.169 311 2023.292 2023 4 46.625 0.189 245 2023.375 2023 5 46.752 0.107 125 2023.458 2023 6 46.849 0.129 194 2023.542 2023 7 47.172 0.130 261 2023.625 2023 8 47.790 0.276 243 2023.708 2023 9 48.258 0.152 226 2023.792 2023 10 48.509 0.296 264 2023.875 2023 11 49.285 0.313 283 2023.958 2023 12 50.039 0.291 227