[gradsusr] Subtract previous value

raymond ordinario raymond1723 at gmail.com
Sat Dec 5 09:05:23 EST 2015


change line 73 by this

'd apcpsfc(t='i') - apcpsfc(t='i-1')'

On Sat, Dec 5, 2015 at 10:55 PM, Chorley Weather <
weatherstu at chorleyweather.com> wrote:

>
>
> 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
>>>
>>>
>>>
>>> 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 listgradsusr at gradsusr.orghttp://gradsusr.org/mailman/listinfo/gradsusr
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> gradsusr mailing list
>>> gradsusr at gradsusr.org
>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>
>>
>>
>>
>> --
>>
>> -------------------------------------------------------------------------------------------------------------------------------
>> 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 listgradsusr at gradsusr.orghttp://gradsusr.org/mailman/listinfo/gradsusr
>>
>>  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
>>
>
>
>
> --
>
> -------------------------------------------------------------------------------------------------------------------------------
> 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 listgradsusr at gradsusr.orghttp://gradsusr.org/mailman/listinfo/gradsusr
>
>
> --
>
> Stuart Markham
>
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>
>


-- 
-------------------------------------------------------------------------------------------------------------------------------
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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