DSET ^daily_gpi_1998 UNDEF -9999.0 TITLE Daily GPI (1 x 1 deg lat/lon) * * format yrev big_endian * XDEF 360 LINEAR 0.5 1.0 * YDEF 80 LINEAR -39.5. 1.0 * ZDEF 01 LEVELS 1 TDEF 365 LINEAR 1Jan1998 1dy * * VARS 1 gpi 1 0 mm/day ENDVARS