[RegCNET] regarding 6 hourly data files

[XUNQIANG BI]

Hi, Dr. Md. Nazrul Islam:

On Fri, 13 Jul 2007, Dr. Md. Nazrul Islam wrote:

> Hi Mishra,
>
> I think you can compare your daily average RF with the same extracted using
> the following in GrADS script:
>
> 'define 00RF=ave(trp,t=1,t=120,4)'
> 'define 06RF=ave(trp,t=1,t=120,5)'
> 'define 12RF=ave(trp,t=1,t=120,6)'
> 'define 18RF=ave(trp,t=1,t=120,7)'

Did you use the above script ? Based on my knowledge, it's totally
wrong.

The right one should be

'define 00RF=ave(tpr,t=1,t=120,4)'
'define 06RF=ave(tpr,t=2,t=120,4)'
'define 12RF=ave(tpr,t=3,t=120,4)'
'define 18RF=ave(tpr,t=4,t=120,4)'
>
> 'd (00RF+06RF+12RF+18RF)/4'
>
> This will display daily rainfall in a monthly file (6 hourly ATM file)
> To add for other months you may use set dfile2 etc.
>

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   Dr. Xunqiang Bi         email:bixq at ictp.it
   Earth System Physics Group
   The Abdus Salam ICTP
   Strada Costiera, 11
   P.O. BOX 586, 34100 Trieste, ITALY
   Tel: +39-040-2240302  Fax: +39-040-2240449
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