"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
176705	1970	    	    	    	    	    	    	    	    	    	    	    	    
176705	1971	    	    	    	    	    	    	    	    	    	    	    	    
176705	1972	    	    	    	    	    	    	    	    	    	    	    	    
176705	1973	    	    	    	    	    	    	    	    	    	    	    	    
176705	1974	    	    	    	    	    	    	    	    	    	    	    	    
176705	1975	    	    	    	    	    	    	    	    	    	    	    	    
176705	1976	    	    	    	    	    	    	    	    	    	    	    	    
176705	1977	    	    	    	    	    	    	    	    	    	    	    	    
176705	1978	    	    	    	    	    	    	    	    	    	    	    	    
176705	1979	    	    	    	    	    	    	    	    	    	   76	    	  196
176705	1980	  102	  330	    	   51	    	    	    	    	    	    	    	  330
176705	1981	  203	  152	  127	    	    	    	    	    	    	    	    	  838
176705	1982	  813	  457	  432	  381	    	    	    	    	    	    	    	  178
176705	1983	  356	  584	  864	    	    	    	    	    	    	    	    	    
176705	1984	  533	  356	  635	    	    	    	    	    	    	    	    	  559
176705	1985	  305	  305	  432	  406	    	    	    	    	    	    	    	  584
176705	1986	  787	  381	  368	  152	    	    	    	    	    	    	   51	  356
176705	1987	 1575	  203	  330	  178	    	    	    	    	    	    	    	  279
176705	1988	  533	  813	  127	    	    	    	    	    	    	    	    	  330
176705	1989	  584	  330	  610	   51	    	    	    	    	    	    	  356	  610
176705	1990	  914	  533	  254	    	    	    	    	    	    	    	  127	  762
176705	1991	  737	  279	  381	    	    	    	    	    	    	    	   25	  584
176705	1992	  152	  660	   51	  229	    	    	    	    	    	    	   25	    
176705	1993	   76	 1448	 1041	  330	    	    	    	    	    	    	   51	  229