[gradsusr] Convert monthly to yearly accumulated rainfall

[Rafanoharana Serge Claudio]

Dear Chris,

I do not know if one can do it directly while having the 50 time steps but
what I can say is that you can process for every year (then you'll have 50
outputs), then assign time for every year, then merge using cdo all 50 years
into one single file.

Hope this can help,

Serge

On Sat, Sep 17, 2011 at 3:34 AM, Alauda arvensis <a.arvensis at gmail.com>wrote:

> Dear GrADS users,
>
> My data consists of 50 years of monthly rainfall. I want to convert this
> data into yearly accumulated rainfall for every year. So I am looking for
> something like:
>
> 'pyearly = sum(pmonthly, t=1, t=12)' ... but I need it for every year, so
> that in the end I have 50 time steps.
>
> Any hints welcome! Thanks!
>
> Kind regards,
> Chris
>
> PS: I already tried "mon2yr.gs" from Bin Guan's page, but something does
> not appear to work.
>
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>


-- 
Serge
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