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timmean vs. ensmean

Added by Shizhu Wang over 5 years ago

Hello. Let's say I have two nc files temp_jan.nc and temp_feb.nc.
To get the mean of January and February, I do:

cdo timmean temp_jan.nc temp_feb.nc temp_mean1.nc

Also, I tried another way:

cdo ensmean temp_jan.nc temp_feb.nc temp_mean2.nc

However, these two mean files seem to be different. So Why? It seems to me that the ensmean does the same job as what timmean has done.

Kind regards,
Shizhu