[gradsusr] How to average defined variables

[Stephen McMillan]

Zaib-un-nisa,

So, for example, to get average of sl1,sl2,sl3...sl8:

avesl=(sl1+sl2+sl3...+sl8)/8

Stephen McMillan

On Sat, Jul 11, 2015 at 8:01 AM, Zaib-un- Nisa <zaib.envsc at gmail.com> wrote:

>
> *Hi,*
>
> Can anyone tell me, how can i get average of defined variables, i have
> averaged mean sea level pressure for three months of each year, now i want
> to get combined average result of all years;
>
> for example,
>
> here i have averaged set of dec,jan, feb of each year and numbered them as
> sl1, sl2 and so on. now i want to extract average of sl1, sl2, sl3..... how
> will it be possible!
>
> Script is as follows;
>
> 'reinit'
> 'sdfopen djf00-12.nc'
> 'set display color white'
> 'c'
> 'set lat 0 60'
> 'set lon 0 120'
> 'set z 1'
> 'set e 1'
> 'define sl1=ave(msl/100,t=1,t=3)'
> 'define x1 = ave(u10,t=1,t=3)'
> 'define y1 = ave(v10,t=1,t=3)'
>
> 'define sl2=ave(msl/100,t=4,t=6)'
> 'define x2 = ave(u10,t=4,t=6)'
> 'define y2 = ave(v10,t=4,t=6)'
>
> 'define sl3=ave(msl/100,t=7,t=9)'
> 'define x3 = ave(u10,t=7,t=9)'
> 'define y3 = ave(v10,t=7,t=9)'
>
> 'define sl4=ave(msl/100,t=10,t=12)'
> 'define x4 = ave(u10,t=10,t=12)'
> 'define y4 = ave(v10,t=10,t=12)'
>
> 'define sl5=ave(msl/100,t=13,t=15)'
> 'define x5 = ave(u10,t=13,t=15)'
> 'define y5 = ave(v10,t=13,t=15)'
>
> 'define sl6=ave(msl/100,t=16,t=18)'
> 'define x6 = ave(u10,t=16,t=18)'
> 'define y6 = ave(v10,t=16,t=18)'
>
> 'define sl7=ave(msl/100,t=19,t=21)'
> 'define x7 = ave(u10,t=19,t=21)'
> 'define y7 = ave(v10,t=19,t=21)'
>
> 'define sl8=ave(msl/100,t=22,t=24)'
> 'define x8 = ave(u10,t=22,t=24)'
> 'define y8 = ave(v10,t=22,t=24)'
>
> How can i get average of sl1,sl2,sl3...sl8.
>
> stuck in the next step.
>
>
> *Best,*
> *Zaib-un-nisa*
>
>
>
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