DSET ^pct_time_raining_%y4%m2   
UNDEF  -9999.0                                                                  
TITLE % time raining                                
*        
OPTIONS template big_endian                                                                  
*                                                                               
XDEF 360 LINEAR 0.5 1.0                                                         
*                                                                               
YDEF  80 LINEAR -39.5 1.0                                                       
*                                                                               
ZDEF 01 LEVELS 1                                                                
TDEF 99 LINEAR feb1997 1mo                                                     
VARS 1                                                                          
pct    1 0     % time raining                                                      
ENDVARS