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problem with shifttime and dayavg

Added by Puri Am about 3 years ago

I am using hourly data ERA5 to calculate daily data. After merging the files, I would like to shift time to my study region as UTC +8, then calculate the daily data by daymean. So, how could I have the corrected timeshift by cdo?
All the best,


Replies (3)

RE: problem with shifttime and dayavg - Added by Ralf Mueller about 3 years ago 

cdo -shifttime
is your friend, Puri ;-)

RE: problem with shifttime and dayavg - Added by Puri Am about 3 years ago

hi, yes, definitely that function!! I am using cdo -shifttime,-1hour i.nc o.nc
but how about +8UTC?
I downloaded ERA5 Land hours (the conversion here: https://confluence.ecmwf.int/pages/viewpage.action?pageId=197702790#footnote-marker1-0) and then I would like to calculate daily average.

RE: problem with shifttime and dayavg - Added by Karin Meier-Fleischer about 3 years ago

Hi Puri,

if I understand this correctly from the http://cfconventions.org/Data/cf-conventions/cf-conventions-1.7/cf-conventions.html#time-coordinate page, the time only needs to be shifted by +8hours.

cdo -shifttime,8hours infile outfile

Have a nice weekend ;)

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