"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
199175	1970	    	    	    	    	    	    	    	    	    	    	    	    
199175	1971	    	    	    	    	    	    	    	    	    	    	    	    
199175	1972	    	    	    	    	    	    	    	    	    	    	    	    
199175	1973	    	    	    	    	    	    	    	    	    	    	    	    
199175	1974	    	    	    	    	    	    	    	    	    	    	    	    
199175	1975	    	    	    	    	    	    	    	    	    	    	    	    
199175	1976	    	    	    	    	 13.3	 18.5	 21.2	 20.1	 16.4	 10.6	  4.4	 -2.2
199175	1977	 -6.3	 -2.8	  4.0	  7.8	 12.9	 17.5	 21.5	 21.3	 17.1	 11.5	  8.1	  1.0
199175	1978	 -1.7	 -4.2	  0.8	  6.6	 12.3	 18.1	 20.0	 21.5	 15.0	 10.9	  6.7	  1.4
199175	1979	  0.2	 -5.4	  4.4	  7.4	 14.7	 17.3	 22.3	 20.9	 17.0	 11.9	  8.9	  2.9
199175	1980	 -0.5	 -3.2	  1.7	  8.3	 13.3	 17.0	 22.1	 22.3	 18.0	 11.1	  5.4	 -1.0
199175	1981	 -6.7	  1.8	  2.3	  8.6	 13.4	 19.1	 22.4	 20.9	 17.2	 10.6	  6.9	  1.2
199175	1982	 -5.4	  0.2	  3.0	  6.6	 12.6	 15.9	 21.3	 20.0	 17.4	 11.6	  9.4	  4.9
199175	1983	    	    	    	    	    	    	    	    	    	    	    	    
199175	1984	    	    	    	    	    	    	    	    	    	    	    	    
199175	1985	    	    	    	    	    	    	    	    	    	    	    	    
199175	1986	    	    	    	    	    	    	    	    	    	    	    	    
199175	1987	    	    	    	    	    	    	    	    	    	    	    	    
199175	1988	    	    	    	    	    	    	    	    	    	    	    	    
199175	1989	    	    	    	    	    	    	    	    	    	    	    	    
199175	1990	    	    	    	    	    	    	    	    	    	    	    	    
199175	1991	    	    	    	    	    	    	    	    	    	    	    	    
199175	1992	    	    	    	    	    	    	    	    	    	    	    	    
199175	1993