"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
176595	1970	    	    	    	    	    	    	    	    	    	    	    	    
176595	1971	    	    	    	    	    	    	    	    	    	    	    	    
176595	1972	    	    	    	    	    	    	    	    	    	    	    	    
176595	1973	    	    	    	    	    	    	    	    	    	    	    	    
176595	1974	    	    	    	    	    	    	    	    	    	    	  930	  221
176595	1975	  871	  292	  500	  635	    	    	    	    	    	    	  216	 1029
176595	1976	  610	  871	  930	   76	    	    	    	    	    	   13	  140	  963
176595	1977	  881	  698	  338	  221	    	    	    	    	    	    	  114	  683
176595	1978	  886	  193	  409	  234	    	    	    	    	    	    	  538	  607
176595	1979	  846	  282	   84	  485	    	    	    	    	    	  127	   13	  218
176595	1980	  152	  300	  500	    	    	    	    	    	    	    	    	    
176595	1981	    	    	    	    	    	    	    	    	    	    	    	    
176595	1982	    	    	    	    	    	    	    	    	    	    	    	    
176595	1983	    	    	    	    	    	    	    	    	    	    	    	    
176595	1984	    	    	    	    	    	    	    	    	    	    	    	    
176595	1985	    	    	    	    	    	    	    	    	    	    	    	    
176595	1986	    	    	    	    	    	    	    	    	    	    	    	    
176595	1987	    	    	    	    	    	    	    	    	    	    	    	    
176595	1988	    	    	    	    	    	    	    	    	    	    	    	    
176595	1989	    	    	    	    	    	    	    	    	    	    	    	    
176595	1990	    	    	    	    	    	    	    	    	    	    	    	    
176595	1991	    	    	    	    	    	    	    	    	    	    	    	    
176595	1992	    	    	    	    	    	    	    	    	    	    	    	    
176595	1993