"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
176594	1970	    	    	    	    	    	    	    	    	    	    	    	    
176594	1971	    	    	    	    	    	    	    	    	    	    	    	    
176594	1972	    	    	    	    	    	    	    	    	    	    	    	    
176594	1973	    	    	    	    	    	    	    	    	    	    	    	    
176594	1974	    	    	    	    	    	    	    	    	    	    	    	    
176594	1975	    	    	    	    	    	    	    	    	    	    	    	    
176594	1976	    	    	    	    	    	    	    	    	    	    	    	    
176594	1977	    	    	    	    	    	    	    	    	    	    	    	    
176594	1978	    	    	    	    	    	    	    	    	    	    	    	    
176594	1979	    	    	    	    	    	    	    	    	    	    	    	    
176594	1980	    	    	    	    	    	    	    	    	    	    	    	    
176594	1981	    	    	    	    	    	    	    	    	    	    	    	    
176594	1982	    	    	    	    	    	    	    	    	    	    	    	    
176594	1983	    	    	    	    	    	    	    	    	    	    	    	    
176594	1984	    	    	    	    	    	    	    	    	    	    	    	    
176594	1985	    	    	    	    	    	    	    	    	    	    	    	    
176594	1986	    	    	    	    	    	    	    	    	    	    	    	    
176594	1987	    	    	    	    	    	    	    	    	    	    	    	    
176594	1988	    	    	    	    	    	    	    	    	    	    	    	    
176594	1989	    	    	    	    	    	    	    	    	    	    	    	    
176594	1990	    	    	    	    	    	    	    	    	    	    	    	    
176594	1991	    	    	    	    	    	    	    	    	    	    	    	    
176594	1992	    	    	    	    	    	    	    	    	    	  4.5	 -1.2	 -6.2
176594	1993	 -8.8	-10.7	 -3.7	  4.0	 10.4	 14.9	 17.8	 18.4	 12.2	  3.4	 -1.0	 -4.9