# monthly mean of baseline data from 2003/05 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: s.odoherty@bristol.ac.uk
# data_owner: Simon O'Doherty
# station_long_name: Mace Head, Ireland
# inlet_base_elevation_masl: 8.0
# inlet_latitude: 53.32667
# inlet_longitude: -9.90456
# inlet_date: 2003-12-09 00:00:00
# inlet_comment: main tower
# data_dir: /agage/macehead-medusa
# species: hfc-365mfc
# calibration_scale: SIO-14
# units: ppt
# 
# 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: s.odoherty@bristol.ac.uk; dickon.young@bristol.ac.uk; 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
 2003.375   2003      5           NaN           NaN       0
 2003.458   2003      6           NaN           NaN       0
 2003.542   2003      7           NaN           NaN       0
 2003.625   2003      8           NaN           NaN       0
 2003.708   2003      9           NaN           NaN       0
 2003.792   2003     10           NaN           NaN       0
 2003.875   2003     11           NaN           NaN       0
 2003.958   2003     12           NaN           NaN       0
 2004.042   2004      1           NaN           NaN       0
 2004.125   2004      2           NaN           NaN       0
 2004.208   2004      3           NaN           NaN       0
 2004.292   2004      4           NaN           NaN       0
 2004.375   2004      5           NaN           NaN       0
 2004.458   2004      6           NaN           NaN       0
 2004.542   2004      7           NaN           NaN       0
 2004.625   2004      8           NaN           NaN       0
 2004.708   2004      9           NaN           NaN       0
 2004.792   2004     10           NaN           NaN       0
 2004.875   2004     11           NaN           NaN       0
 2004.958   2004     12           NaN           NaN       0
 2005.042   2005      1         0.264         0.038     127
 2005.125   2005      2         0.277         0.036     138
 2005.208   2005      3         0.278         0.035     210
 2005.292   2005      4         0.320         0.040     184
 2005.375   2005      5         0.342         0.036     186
 2005.458   2005      6         0.352         0.044     198
 2005.542   2005      7         0.329         0.036     219
 2005.625   2005      8         0.300         0.026     261
 2005.708   2005      9         0.323         0.035     220
 2005.792   2005     10         0.363         0.038     181
 2005.875   2005     11         0.385         0.043     114
 2005.958   2005     12         0.384         0.050     205
 2006.042   2006      1         0.379         0.046     179
 2006.125   2006      2         0.406         0.047     108
 2006.208   2006      3         0.401         0.049     201
 2006.292   2006      4         0.416         0.041     266
 2006.375   2006      5         0.440         0.044     223
 2006.458   2006      6         0.456         0.042     112
 2006.542   2006      7         0.452         0.033     194
 2006.625   2006      8         0.461         0.037     196
 2006.708   2006      9         0.480         0.040     123
 2006.792   2006     10         0.496         0.036     157
 2006.875   2006     11         0.507         0.035     169
 2006.958   2006     12         0.509         0.038     199
 2007.042   2007      1         0.500         0.034     294
 2007.125   2007      2         0.510         0.046     213
 2007.208   2007      3         0.520         0.052     236
 2007.292   2007      4         0.530         0.043      99
 2007.375   2007      5         0.533         0.033     254
 2007.458   2007      6         0.538         0.045     160
 2007.542   2007      7         0.538         0.037     216
 2007.625   2007      8         0.535         0.040     228
 2007.708   2007      9         0.548         0.038     240
 2007.792   2007     10         0.572         0.043     116
 2007.875   2007     11         0.546         0.036     199
 2007.958   2007     12         0.546         0.049      64
 2008.042   2008      1         0.557         0.030     208
 2008.125   2008      2         0.568         0.041     193
 2008.208   2008      3         0.582         0.046     281
 2008.292   2008      4         0.609         0.055     254
 2008.375   2008      5         0.659         0.039     143
 2008.458   2008      6         0.609         0.035     250
 2008.542   2008      7         0.617         0.027     260
 2008.625   2008      8         0.627         0.038     294
 2008.708   2008      9         0.633         0.031     246
 2008.792   2008     10         0.641         0.027     326
 2008.875   2008     11         0.647         0.033     203
 2008.958   2008     12         0.649         0.037     223
 2009.042   2009      1         0.654         0.044     293
 2009.125   2009      2         0.648         0.056     252
 2009.208   2009      3         0.642         0.041     287
 2009.292   2009      4         0.654         0.049     264
 2009.375   2009      5         0.661         0.049     245
 2009.458   2009      6         0.663         0.042     215
 2009.542   2009      7         0.662         0.041     239
 2009.625   2009      8         0.607         0.030      13
 2009.708   2009      9         0.657         0.042     197
 2009.792   2009     10         0.662         0.038     288
 2009.875   2009     11         0.676         0.040     197
 2009.958   2009     12         0.682         0.042     315
 2010.042   2010      1         0.679         0.044     283
 2010.125   2010      2         0.716         0.049     196
 2010.208   2010      3         0.696         0.048     265
 2010.292   2010      4         0.699         0.047     246
 2010.375   2010      5         0.683         0.045     240
 2010.458   2010      6         0.688         0.042     203
 2010.542   2010      7         0.675         0.043     318
 2010.625   2010      8         0.688         0.041     263
 2010.708   2010      9         0.712         0.042     217
 2010.792   2010     10         0.732         0.046     220
 2010.875   2010     11         0.744         0.049     225
 2010.958   2010     12         0.765         0.052     268
 2011.042   2011      1         0.764         0.052     246
 2011.125   2011      2         0.744         0.036     266
 2011.208   2011      3         0.755         0.023     195
 2011.292   2011      4         0.760         0.028     232
 2011.375   2011      5         0.774         0.021     278
 2011.458   2011      6         0.770         0.026     307
 2011.542   2011      7         0.772         0.027     282
 2011.625   2011      8         0.771         0.021     308
 2011.708   2011      9         0.782         0.023     301
 2011.792   2011     10         0.800         0.029     334
 2011.875   2011     11         0.827         0.027     252
 2011.958   2011     12         0.823         0.037     338
 2012.042   2012      1         0.820         0.036     296
 2012.125   2012      2         0.812         0.034     259
 2012.208   2012      3         0.813         0.034     231
 2012.292   2012      4         0.846         0.031     268
 2012.375   2012      5         0.856         0.032     260
 2012.458   2012      6         0.857         0.034     273
 2012.542   2012      7         0.861         0.027     252
 2012.625   2012      8         0.878         0.028     249
 2012.708   2012      9         0.871         0.032     250
 2012.792   2012     10         0.910         0.030     216
 2012.875   2012     11         0.909         0.029     327
 2012.958   2012     12         0.914         0.034     245
 2013.042   2013      1         0.903         0.030     242
 2013.125   2013      2         0.916         0.041     177
 2013.208   2013      3         0.938         0.033     203
 2013.292   2013      4         0.927         0.031     225
 2013.375   2013      5         0.921         0.029     281
 2013.458   2013      6         0.917         0.036     170
 2013.542   2013      7         0.917         0.040     126
 2013.625   2013      8           NaN           NaN       0
 2013.708   2013      9         0.912         0.038     127
 2013.792   2013     10         0.949         0.028     237
 2013.875   2013     11         0.953         0.022     140
 2013.958   2013     12         0.963         0.026     196
 2014.042   2014      1         0.966         0.032     167
 2014.125   2014      2         0.984         0.031     225
 2014.208   2014      3         0.979         0.039     199
 2014.292   2014      4         1.000         0.032     176
 2014.375   2014      5         1.034         0.038      93
 2014.458   2014      6         1.014         0.031     143
 2014.542   2014      7         1.009         0.031     248
 2014.625   2014      8         1.037         0.025     280
 2014.708   2014      9         1.065         0.029      55
 2014.792   2014     10         1.065         0.031     198
 2014.875   2014     11         1.076         0.026     181
 2014.958   2014     12         1.066         0.035     305
 2015.042   2015      1         1.066         0.029     269
 2015.125   2015      2         1.055         0.034     199
 2015.208   2015      3         1.065         0.027     233
 2015.292   2015      4         1.074         0.030     191
 2015.375   2015      5         1.074         0.027     235
 2015.458   2015      6         1.092         0.021     155
 2015.542   2015      7         1.086         0.023     275
 2015.625   2015      8         1.095         0.024     272
 2015.708   2015      9         1.117         0.024     170
 2015.792   2015     10         1.132         0.022     168
 2015.875   2015     11         1.141         0.028     239
 2015.958   2015     12         1.157         0.032     283
 2016.042   2016      1         1.155         0.039     240
 2016.125   2016      2         1.157         0.036     243
 2016.208   2016      3         1.135         0.046     204
 2016.292   2016      4         1.166         0.025     229
 2016.375   2016      5         1.200         0.035     150
 2016.458   2016      6         1.186         0.036     168
 2016.542   2016      7         1.173         0.037     277
 2016.625   2016      8         1.180         0.029     267
 2016.708   2016      9         1.169         0.028     274
 2016.792   2016     10         1.216         0.035     121
 2016.875   2016     11         1.209         0.034     204
 2016.958   2016     12         1.195         0.033     247
 2017.042   2017      1         1.194         0.032     207
 2017.125   2017      2         1.193         0.033     210
 2017.208   2017      3         1.207         0.039     247
 2017.292   2017      4         1.226         0.034     265
 2017.375   2017      5         1.242         0.039     219
 2017.458   2017      6         1.215         0.031     279
 2017.542   2017      7         1.230         0.028     270
 2017.625   2017      8         1.217         0.028     309
 2017.708   2017      9         1.212         0.034      99
 2017.792   2017     10         1.262         0.033      77
 2017.875   2017     11         1.272         0.031     260
 2017.958   2017     12         1.270         0.029     151
 2018.042   2018      1         1.263         0.035     279
 2018.125   2018      2         1.267         0.030     213
 2018.208   2018      3         1.285         0.036     217
 2018.292   2018      4         1.303         0.040     122
 2018.375   2018      5         1.274         0.044     172
 2018.458   2018      6         1.271         0.038     124
 2018.542   2018      7         1.250         0.025     156
 2018.625   2018      8         1.245         0.031     259
 2018.708   2018      9         1.260         0.027     185
 2018.792   2018     10         1.287         0.033     293
 2018.875   2018     11         1.315         0.030     174
 2018.958   2018     12         1.321         0.035     238
 2019.042   2019      1         1.298         0.039     269
 2019.125   2019      2         1.319         0.033     231
 2019.208   2019      3         1.313         0.032     318
 2019.292   2019      4         1.333         0.036     129
 2019.375   2019      5         1.331         0.032     249
 2019.458   2019      6         1.320         0.025     214
 2019.542   2019      7         1.321         0.033     144
 2019.625   2019      8         1.323         0.025     104
 2019.708   2019      9         1.346         0.025      51
 2019.792   2019     10         1.344         0.025     224
 2019.875   2019     11         1.358         0.029     151
 2019.958   2019     12         1.347         0.026     198
 2020.042   2020      1         1.321         0.027     264
 2020.125   2020      2         1.324         0.026     257
 2020.208   2020      3         1.322         0.030     146
 2020.292   2020      4         1.334         0.031     143
 2020.375   2020      5         1.327         0.026     185
 2020.458   2020      6         1.332         0.029      97
 2020.542   2020      7         1.307         0.036     283
 2020.625   2020      8         1.302         0.040     236
 2020.708   2020      9         1.311         0.042     229
 2020.792   2020     10         1.337         0.046     250
 2020.875   2020     11         1.348         0.043     252
 2020.958   2020     12         1.357         0.045     168
 2021.042   2021      1         1.315         0.026     190
 2021.125   2021      2         1.336         0.029     141
 2021.208   2021      3         1.332         0.035     220
 2021.292   2021      4         1.367         0.031     194
 2021.375   2021      5         1.359         0.028     259
 2021.458   2021      6         1.358         0.032     277
 2021.542   2021      7         1.357         0.032     199
 2021.625   2021      8         1.332         0.030     225
 2021.708   2021      9         1.319         0.033     204
 2021.792   2021     10         1.327         0.034     259
 2021.875   2021     11         1.336         0.029     278
 2021.958   2021     12         1.351         0.035     269
 2022.042   2022      1         1.363         0.034     250
 2022.125   2022      2         1.358         0.037     118
 2022.208   2022      3         1.377         0.034     159
 2022.292   2022      4         1.394         0.035     171
 2022.375   2022      5         1.384         0.033     231
 2022.458   2022      6         1.373         0.037     188
 2022.542   2022      7         1.366         0.032     192
 2022.625   2022      8         1.343         0.032     206
 2022.708   2022      9         1.356         0.033     180
 2022.792   2022     10         1.361         0.033     203
 2022.875   2022     11         1.366         0.030     240
 2022.958   2022     12         1.374         0.034     205
 2023.042   2023      1         1.350         0.031     216
 2023.125   2023      2           NaN           NaN       0
 2023.208   2023      3           NaN           NaN       0
 2023.292   2023      4           NaN           NaN       0
 2023.375   2023      5         1.380         0.059      36
 2023.458   2023      6         1.385         0.051     158
 2023.542   2023      7         1.330         0.030     221
 2023.625   2023      8         1.305         0.029     207
 2023.708   2023      9         1.300         0.028     205
 2023.792   2023     10         1.297         0.031     139
 2023.875   2023     11         1.307         0.027     108
 2023.958   2023     12           NaN           NaN       0