Re: how to calculate average of seasonal means

Hi Ryan

Thanks. I already used that command. I'll explain you in steps what I did
and what I want

1. Firstly, my data are separated in files from 1998 to 2004, 2 files per
year(one for component u and another for v)

2. I calculated (with ncl) wind speed with formula

        w = sqrt(u^2+v^2)

3. Created outputs of w for each year (year file is aprox 950MB)

4. Used the command 'cdo yseasmean' from CDO for each year (7 files)

5. NOW, I want to 'pick' all first season of each year to calculate average,
then the 2nd season , then 3rd and then 4th.

6. And finaly...plot 4 graphics of sazonal mean of wind speed(1998-2004)

If something is not clear...please tell.

Vp

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Received on Tue Oct 19 10:55:00 2010