dset SPB.dat
undef 1.e30
xdef  99 linear   24.1   0.118300105
ydef  129 linear   56.1   0.0600600
zdef  1 levels 1000
tdef  25 linear 00Z06MAY2019   60MN      
VARS  1
rainNC  1  0  CLOUD FRACTION (-)
ENDVARS