DJF averaging

Hi everyone,

I have a netcdf file with data from 1948 - 2009(march). I want to
calculate the DJF average from 1978(9) to 2007.

First, I need to slice the data for the period I am working with. But
where should I start this slice if I use the function month_to_month
in NCL? I know this function has to start from January.

If I start from January 1978 do these values (January and February
1978) enter in the average calculation? And if I end the data in
December 2008, does that December enter in the calculation? I assume
they don't.

I really appreciate your help!

Kindest regards,

Michel

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Received on Thu Jun 11 2009 - 13:52:56 MDT