[ncl-talk] get the D in DJF seasonal means?

[Dave Allured - NOAA Affiliate]

Carl,

The problem with month_to_season and its cousins is worth remembering:

"The first average (DJF=JF) and the last average (NDJ=ND) are actually
two-month averages."

That is why I offered an alternative function.

--Dave


On Wed, Jun 17, 2015 at 5:52 AM, Carl Schreck <cjschrec at ncsu.edu> wrote:

> If I understand your question correctly, I believe month_to_season
> <http://www.ncl.ucar.edu/Document/Functions/Contributed/month_to_season.shtml> will
> do what you're looking for, provided that you have monthly data.
>
> If you're data is daily, you could use one of my functions, like month_ind
> <https://k3.cicsnc.org/carl/carl-ncl-library/blob/master/lib.months.ncl>,
> that extracts the indices for any specified groupings of months.
>
>     Carl
>
> On Tue, Jun 16, 2015 at 12:56 PM, Lesley Smith - NOAA Affiliate <
> lesley.l.smith at noaa.gov> wrote:
>
>> Greetings, NCLers,
>> Are there any NCL functions which include Dec data in a DJF seasonal
>> mean?
>> Thanks for any tips,
>> -Lesley
>>
>
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