"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
170480	1970	    	    	    	    	    	    	    	    	    	    	    	 1041
170480	1971	  203	  279	  483	  102	    	    	    	    	    	    	    	    
170480	1972	    	    	    	    	    	    	    	    	    	    	  229	    
170480	1973	    	    	    	    	    	    	    	    	    	    	    	    5
170480	1974	  330	  152	   15	  152	    	    	    	    	    	    	  218	    
170480	1975	  381	   76	  102	  193	    	    	    	    	    	    	    	  714
170480	1976	    	  254	  602	    	    	    	    	    	    	    	    	  508
170480	1977	    	    	  178	  102	    	    	    	    	    	    	   51	  114
170480	1978	  363	    	    	    	    	    	    	    	    	    	    	  152
170480	1979	  127	    	    	    	    	    	    	    	    	    	    	    
170480	1980	    	    	    	    	    	    	    	    	    	    	    	    
170480	1981	    	    	    	    	    	    	    	    	    	    	    	    
170480	1982	  254	    	    	    	    	    	    	    	    	    	    	    
170480	1983	    	    	    	    	    	    	    	    	    	    	    	    
170480	1984	    	    	    	    	    	    	    	    	    	    	    	    
170480	1985	    	    	    	    	    	    	    	    	    	    	    	    
170480	1986	  610	    	    	    	    	    	    	    	    	    	    	    
170480	1987	    	    	    	    	    	    	    	    	    	    	  152	  559
170480	1988	  203	    	   25	    	    	    	    	    	    	    	    	  140
170480	1989	  279	  203	  102	   76	    	    	    	    	    	    	  457	 1016
170480	1990	  483	  330	  152	    	    	    	    	    	    	    	    	   25
170480	1991	  546	  279	  102	    	    	    	    	    	    	    	    	  254
170480	1992	    	  432	    	   13	    	    	    	    	    	    	    	  127
170480	1993	  127	  686	  546	  188	    	    	    	    	    	    	    	  140