DSET /your-data-set-path/%y4%m2%d2_3hr-025deg_cpc+comb OPTIONS template yrev big_endian UNDEF -9999 TITLE Precipitation estimates XDEF 1440 LINEAR 0.125 0.25 YDEF 480 LINEAR -59.875 0.25 ZDEF 01 LEVELS 1 TDEF 99000 LINEAR 0z01dec2002 3hr VARS 2 mwcomb 1 99 yyyyy combined microwave estimates (no advection) mm/hr cmorph 1 99 yyyyy advected precip. (mm/hr) ENDVARS