dset ^SNOWCsfc.1979-2016.720x361
undef -9.99e+08
*undef 9.999E+20
title pgb.gdas.197901.grb2
ydef 361 linear -90.000000 0.5
xdef 720 linear 0.000000 0.500000
tdef 456 linear 00Z01jan1979 1mo
zdef 1 levels 1000
vars 1
SNOWCsfc 0 0 "SNOWC:surface" * SNOWC:surface
endvars