Hi Menglin, You can use 'cmin', 'cmax' set cmin 280 set cmax 300 will show values only within this range. Regards, Subodh Menglin Jin wrote: > Dear users, > > If I have temperature data ranging from 220-320K, and I only want to > analyze the values between 280-300K, how could I select them in Grads? > Thanks. > > Menglin