"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
273626	1970	    	    	    	    	    	    	    	    	    	    	    	    
273626	1971	    	    	    	    	    	    	    	    	    	    	    	    
273626	1972	    	    	    	    	    	    	    	    	    	    	    	    
273626	1973	    	    	    	    	    	    	    	    	    	    	    	  102
273626	1974	  533	  140	   38	    	    	    	    	    	    	    	  140	  216
273626	1975	  406	  328	  114	   25	    	    	    	    	    	    	  127	  698
273626	1976	  419	  140	  635	    	    	    	    	    	    	    	   64	  305
273626	1977	  737	  203	  343	    	    	    	    	    	    	    	   38	  419
273626	1978	  787	  533	  241	    	    	    	    	    	    	    	  114	  305
273626	1979	  597	  102	    	   64	    	    	    	    	    	    	    	   25
273626	1980	   64	  178	  127	    	    	    	    	    	    	    	  190	  272
273626	1981	  267	   76	   64	    	    	    	    	    	    	    	    	  635
273626	1982	  528	  147	  102	  635	    	    	    	    	    	    	    8	   56
273626	1983	  412	  610	    	    	    	    	    	    	    	    	    	  384
273626	1984	  554	  203	  566	    	    	    	    	    	    	    	    	  234
273626	1985	  190	  165	  246	   38	    	    	    	    	    	    	  145	  241
273626	1986	  234	  279	   38	    	    	    	    	    	    	    	  216	  114
273626	1987	 1092	    	   61	  178	    	    	    	    	    	    	   76	  190
273626	1988	  368	  589	  178	    	    	    	    	    	    	    	    	   38
273626	1989	   99	  274	  196	   51	    	    	    	    	    	    	   89	  292
273626	1990	  470	  450	   38	    	    	    	    	    	    	    	    	  165
273626	1991	  330	  109	   56	    	    	    	    	    	    	    	    	  424
273626	1992	  102	   99	  135	   64	    	    	    	    	    	    	   84	  381
273626	1993	  414	  813	 1016	   38	    	    	    	    	    	    	    	  290