```Dear Suman           Hello,              Thank you very much for the guidence. I think you sort out the solution of my problem and this stuff will be useful for me. Best RegardsMuhammad Salman KhalidSent from my Samsung Galaxy smartphone.-------- Original message --------From: "Dr. Suman Maity" <suman.buie at gmail.com> Date: 04/07/2019  15:21  (GMT+03:00) To: GrADS Users Forum <gradsusr at gradsusr.org> Subject: Re: [gradsusr] Spatial standard deviation Dear SalmanLet me explain with an example:Suppose you have temperature data and you want to calculate thespatial standard deviation over a lat-lon box covering 65-100E,5-40N.The grads script for calculation of spatial standard deviation will beas follows:sdfopen temp.nctempave=aave(sst,lon=65,lon=100,lat=5,lat=40)ssd=sqrt(aave(pow(sst-tempave,2),lon=65,lon=100,lat=5,lat=40))d ssdwhich will give the spatial standard deviation over the domain.I hope this will help you.BestSumanOn 7/4/19, salmankhalid29 <salmankhalid29 at gmail.com> wrote:> Dear All  Hello     I want to calculate the spatial standard deviation. So> how i can do in grads. Can anyone guide me for that. Thank you very> much.Best regardsMuhammad Salman KhalidSent from my Samsung Galaxy> smartphone.-- ++++++++++++++++++++++++++++++++++++Dr. Suman MaityResearch ScientistInterdisciplinary Program in Climate StudiesIndian Institute of Technology BombayPowai, Mumbai-400076, MaharashtraIndia.++++++++++++++++++++++++++++++++++++_______________________________________________gradsusr mailing listgradsusr at gradsusr.orghttp://gradsusr.org/mailman/listinfo/gradsusr