Ferret how-to: climatological anomalies

[hankin@xxxxxxxxxxxxxxxxxxx (Steve Hankin)]

Ferret how-to:

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	* How to compute climatological anomalies *
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The answer to the question below was provided by Sim Larkin and has been added
to the Ferret FAQ list:

	http://tmap.pmel.noaa.gov/ferret/FAQ/analysis/climatologies.html


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On Feb 7,  1:03pm, James Boyle wrote:
> Subject: computing monthly anomalies
> What I want to do is this.
>
> Given 6 years of data - 72 months
> (1) compute the seasonal cycle ( 12 months - each an average of the 6 Jan,
Febs ... etc.)
> (2) compute the anomalies from the climatology - 72 months of data - (eg jan
79 - jan climo ....)
>
> I can do (1) easily using the modulo regridding, so far any way of doing (2)
has
> eluded me.
>
> I'm sure this has been done many times but I can't see any elegant solution.
>
>
> Thanks for any help.
>
> Jim
>-- End of excerpt from James Boyle