dset ^PRCP_CU_GAUGE_V1.0GLB_0.125deg.lnx.%y4%m2%d2.RT
options  little_endian template
title global daily analysis 
undef -999.0
xdef 2881 linear  00.00 0.1250
ydef 1441  linear -90.00 0.1250
zdef 1 linear 1 1
tdef 9999 linear 01may2022 1dy
vars 2
rain     1  00 the grid analysis (0.1mm/day)
nstn     1  00 number of gauge 
ENDVARS