"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
191992	1970	    	    	    	    	    	    	    	    	    	    	    	    
191992	1971	  406	  330	  330	  152	    	    	    	    	    	    	  419	  381
191992	1972	  178	  706	  533	  102	    	    	    	    	    	    	   76	  305
191992	1973	  305	  178	    	    	    	    	    	    	    	    	    	   25
191992	1974	  381	  279	   76	  127	    	    	    	    	    	    	   76	  152
191992	1975	  483	  432	   89	  203	    	    	    	    	    	    	   76	  533
191992	1976	  305	  102	  483	    	    	    	    	    	    	    	   76	  533
191992	1977	  787	  203	  432	    	    	    	    	    	    	    	    	   76
191992	1978	  762	  762	  330	    	    	    	    	    	    	    	    	    
191992	1979	    	    	    	    	    	    	    	    	    	    	    	    
191992	1980	    	    	    	    	    	    	    	    	    	    	    	    
191992	1981	    	    	    	    	    	    	    	    	    	    	    	    
191992	1982	    	    	    	    	    	    	    	    	    	    	    	    
191992	1983	    	    	    	    	    	    	    	    	    	    	    	    
191992	1984	    	    	    	    	    	    	    	    	    	    	    	    
191992	1985	    	    	    	    	    	    	    	    	    	    	    	    
191992	1986	    	    	    	    	    	    	    	    	    	    	    	    
191992	1987	    	    	    	    	    	    	    	    	    	    	    	    
191992	1988	    	    	    	    	    	    	    	    	    	    	    	    
191992	1989	    	    	    	    	    	    	    	    	    	    	    	    
191992	1990	    	    	    	    	    	    	    	    	    	    	    	    
191992	1991	    	    	    	    	    	    	    	    	    	    	    	    
191992	1992	    	    	    	    	    	    	    	    	    	    	    	    
191992	1993