problem

[Madan sigdel]

Dear Users
Iam new to GRADS

Iam using NCEP/NCAR daily data of Specific humidity and V wind
to calculate moisture transport at 80 - 95 E and 20-30N at each point at 2.5
degree interval. And want to make summation to calculate monthly value for
each points. This process I want to use from 1960 -2002.
So any one can help me ,how to solve it using grads commands.
   Thank you

Madan Sigdel
B 308
Graduate School of Environmetal Science
Hokkaido University