issues in observations table -original value decimal places: code file> monthly_to_cdm_all_v1.py

[sjnoone]

Small issue with original_value in some of the obs table it has 15 decimal places and should be set suit same as obsevred value .
example of wrong decimal places:
/ichec/work/glamod/data/level2/land/r6.0/observations_tables/monthly/cdm_obs_r6.0_RMW00040706.psv.gz
example of correct decimal places:
/ichec/work/glamod/data/level2/land/r6.0/observations_tables/monthly/cdm_obs_r6.0_ASN00014035.psv.gz

not a priority to fix but should be looked at for next release