"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
170844	1970	    	    	    	    	    	    	    	    	    	    	   20	 1171
170844	1971	  356	  770	  889	  117	    	    	    	    	    	    	  399	  422
170844	1972	  290	  884	  556	  328	    	    	    	    	    	    	  290	    
170844	1973	  536	  142	    	  437	    	    	    	    	    	    	    	  173
170844	1974	  490	  325	  368	  279	    	    	    	    	    	    	  178	  460
170844	1975	  668	  295	   69	  483	    	    	    	    	    	    	  165	  521
170844	1976	  457	  267	  584	    	    	    	    	    	    	    	    	  152
170844	1977	  912	  269	  478	   74	    	    	    	    	    	    	   56	  254
170844	1978	  587	    	  305	  109	    	    	    	    	    	    	  114	  401
170844	1979	 1318	  119	   48	  246	    	    	    	    	    	   43	    	    
170844	1980	  127	   64	  353	  102	    	    	    	    	    	    	  229	  152
170844	1981	  158	  224	   84	    	    	    	    	    	    	    	    	  582
170844	1982	  495	  292	  320	   64	    	    	    	    	    	    	   53	   15
170844	1983	  381	  523	  241	   33	    	    	    	    	    	    	    	    
170844	1984	    	    	    	    	    	    	    	    	    	    	    	    
170844	1985	    	    	    	    	    	    	    	    	    	    	   64	  315
170844	1986	  594	  333	  335	   81	    	    	    	    	    	    	  409	  310
170844	1987	 1158	  107	  361	  252	    	    	    	    	    	    	   99	  315
170844	1988	  531	  599	   74	  124	    	    	    	    	    	    	   15	  226
170844	1989	  229	  320	  726	  104	    	    	    	    	    	    	   94	  597
170844	1990	  909	  691	  158	    	    	    	    	    	    	    	   13	  340
170844	1991	  635	   99	  282	    	    	    	    	    	    	    	   13	  757
170844	1992	   51	  488	   25	  267	    	    	    	    	    	    	   58	   74
170844	1993	  290	 1031	  869	  160	    	    	    	    	    	   20	    	  216