"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
179593	1970	    	    	    	    	    	    	    	    	    	    	    	    
179593	1971	    	    	    	    	    	    	    	    	    	    	    	    
179593	1972	    	    	    	    	    	    	    	    	    	    	    	    
179593	1973	    	    	    	    	    	    	    	    	    	    	    	    
179593	1974	    	    	    	    	    	    	    	    	    	    	    	    
179593	1975	    	    	    	    	    	    	    	    	    	    	    	    
179593	1976	    	    	    	    	    	    	    	    	    	    	    	  241
179593	1977	  432	  267	  432	    	    	    	    	    	    	    	    	    
179593	1978	  457	  330	  203	    	    	    	    	    	    	    	    	    
179593	1979	  483	   89	    	   51	    	    	    	    	    	    	    	   51
179593	1980	    	  229	  127	    	    	    	    	    	    	    	  254	  470
179593	1981	  483	  152	   76	    	    	    	    	    	    	    	    	  406
179593	1982	  470	  178	  254	  229	    	    	    	    	    	    	    	  178
179593	1983	   38	  686	   51	    	    	    	    	    	    	    	    	  190
179593	1984	  533	  305	  495	    	    	    	    	    	    	    	    	   25
179593	1985	  102	   89	  305	  203	    	    	    	    	    	    	    	   84
179593	1986	  381	  241	  368	    	    	    	    	    	    	    	   51	   76
179593	1987	 1176	  178	  330	   51	    	    	    	    	    	    	   51	  254
179593	1988	  330	  406	   25	   76	    	    	    	    	    	    	    	   76
179593	1989	   76	  335	  318	   58	    	    	    	    	    	    	  279	  368
179593	1990	  711	  737	  102	    	    	    	    	    	    	    	    	   25
179593	1991	  330	  203	  226	    	    	    	    	    	    	    	    	  584
179593	1992	    	  584	    	  229	    	    	    	    	    	    	   51	   51
179593	1993	  254	  660	  787	  102	    	    	    	    	    	    	    	  140