Introduction - If you have any usage issues, please Google them yourself
1 run station3.FOR program, the site will be drawn into grd data with latitude and longitude information. (Such as the 606 stations in June and July precipitation 2003.txt into 2003.grd data)
2, using the GRADS! Stnmap-id :/ station.ctl command to generate the site map file china.map
3, run GRADS in station2.gs generate precipitation map.