[gradsusr] Subtract previous value

[Chorley Weather]

Hi raymond, 

It now comes up with this error, see image. 

On 05-12-2015 13:23, raymond ordinario wrote: 

> sorry i forget the endif 
> 
> On Sat, Dec 5, 2015 at 10:06 PM, Chorley Weather <weatherstu at chorleyweather.com> wrote:
> 
> On 05-12-2015 12:29, raymond ordinario wrote: 
> 
> Hi Stuart, 
> 
> try this script... 
> 
> Raymond 
> 
> On Sat, Dec 5, 2015 at 8:12 PM, Chorley Weather <weatherstu at chorleyweather.com> wrote: 
> 
> On 05-12-2015 10:09, raymond ordinario wrote: 
> Hi Stuart, 
> 
> yes it is easy you can play around with the time element as example below 
> 
> n=2 
> while (n <=96) 
> precip(t=n) - precip(t=n-1) 
> n=n+1 
> endwhile 
> 
> you can put this on a script. 
> 
> Thanks, 
> 
> Raymond 
> 
> On Sat, Dec 5, 2015 at 6:03 PM, Chorley Weather <weatherstu at chorleyweather.com> wrote:
> 
> Hi all, 
> 
> This is probably an easy solution but if I have 96 hours worth of precipitation data but I need to subtract the previous value for an hourly output how would I go about this? For example hour 2 would need to subtract hour 1, then hour 3 would need to subtract hour 2 and so on...... 
> 
> Thanks in advance!!! 
> -- 
> 
> Stuart Markham 
> 
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr [1] 
> 
> HI Raymond, 
> 
> Thank you for the reply. I have tried the function but it just produces one image then ends the script. I have attached the script and control file. Can you advise why it does this or even maybe there is a better solution. 
> 
> -- 
> Many Thanks, 
> Stuart.
> 
> ------------------------------------------------------------------------------------------------------------------------------- Raymond C. Ordinario
> MS Atmospheric Science
> Ateneo De Manila University
> Quezon City, Philippines
> 
> Weather Specialist I
> 
> Technique Application and Meteorological Satellite Section
> Weather DIvision
> Philippine Atmospheric, Geophysical and Astronomical Services Admistration
> Quezon City, Philippines 
> 
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr [1]

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 -- 

-------------------------------------------------------------------------------------------------------------------------------
Raymond C. Ordinario
MS Atmospheric Science
Ateneo De Manila University
Quezon City, Philippines

Weather Specialist I

Technique Application and Meteorological Satellite Section
Weather DIvision
Philippine Atmospheric, Geophysical and Astronomical Services
Admistration
Quezon City, Philippines 

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gradsusr mailing list
gradsusr at gradsusr.org
http://gradsusr.org/mailman/listinfo/gradsusr [1]

 Hi Raymond, 

Thanks for your help in this. Tried the script and returned an error
(see attached image) 
-- 

Stuart Markham 

_______________________________________________
 gradsusr mailing list
 gradsusr at gradsusr.org
 http://gradsusr.org/mailman/listinfo/gradsusr [1]

 -- 

-------------------------------------------------------------------------------------------------------------------------------
Raymond C. Ordinario
MS Atmospheric Science
Ateneo De Manila University
Quezon City, Philippines

Weather Specialist I

Technique Application and Meteorological Satellite Section
Weather DIvision
Philippine Atmospheric, Geophysical and Astronomical Services
Admistration
Quezon City, Philippines 

_______________________________________________
gradsusr mailing list
gradsusr at gradsusr.org
http://gradsusr.org/mailman/listinfo/gradsusr [1]

-- 

Stuart Markham 

 

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