Calculating Percentiles in GrADS

[Stephen R McMillan]

I found nothing in the user archives to address this question: Is there a 
relatively simple way to calculate various percentiles in GrADS? For 
example:

1.  Assume I have a 30-year dataset of daily mean temperature values for 
an x-y domain, contained in a single 3D (x,y,t) gridded file
2.  Desired output: a single 3D gridded file containing 11 variables for 
each gridpoint, per day of year (excluding Feb 29th): 0th pcntile, 10th 
pcntile, 20th pcntile...100th pcntile. In other words, there would be 30 
data values to analyze per grid location (each Jan 1st, each Jan 
2nd...each Dec 31st).

My alternative would be to evaluate text output in Excel then re-convert 
to gridded, but I'd prefer to keep in GrADS.

I'm using GrADS v1.9.0-rc1 (win32) on Win XP Pro. 

Stephen Mc


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