DSET   ^gts_05.gra.19990927  
*
UNDEF  -999.0
*
options big_endian 
*
TITLE  analysis at grid box centering at the lat/lon below      
*
XDEF  720 LINEAR 0.25 0.5 
*
YDEF  360 LINEAR -89.75 0.5  
*
ZDEF  02 LEVELS 1 2
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TDEF   1 LINEAR JAN1974 1mo
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VARS 2         
anal       1 99 ch01     analysis  (0.1 mm/day)         
nobs       1 99 ch02     number of gauges         
ENDVARS