variable_id, name, unit, missing_code, type, source
precip, Total_precipitation_accumulated_in_24 hours, mm, NaN, observation, ECA&D
tmean, Daily_maximum_temperature, degC, NaN, observation, ECA&D
tmin, Daily_minimum_temperature, degC, NaN, observation, ECA&D
tmax, Daily_mean_temperature, degC, NaN, observation, ECA&D

