An issue with sporadic anomalous values in "2m dewpoint temperature" from Météo-France System8 has been identified. The details can be found in the section "Fixed errors" under the code E9 of our "Known issues" page

• It only affects hindcast data from member 3 for October 2009, both high frequency data (seasonal-original-single-levels) and monthly statistics (seasonal-monthly-single-levels).
  • A very reduced amount of grid points and time steps present erroneous values of 1.e+20
• The data described might be affected by this issue if retrieved after its publication on 16th September 2021 and before the completion of the re-archival of the amended version (see details in "Known issues" page)