"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
199316	1970	  262	  152	  417	  160	    	    	    	    	    	    	    	  612
199316	1971	  320	  160	  140	  114	    	    	    	    	    	    	   64	  165
199316	1972	  102	  660	  457	   13	    	    	    	    	    	    	   25	  178
199316	1973	  140	   13	    	    	    	    	    	    	    	    	    	    
199316	1974	  330	  165	    	   25	    	    	    	    	    	    	   25	  127
199316	1975	   51	  508	   25	   25	    	    	    	    	    	    	   76	  368
199316	1976	  254	   25	  229	    	    	    	    	    	    	    	   13	  343
199316	1977	  584	  241	  178	    	  127	    	    	    	    	    	   13	  241
199316	1978	  724	  737	  361	    	    	    	    	    	    	    	  107	  190
199316	1979	  114	  152	    	   25	    	    	    	    	    	    	    	   25
199316	1980	    	  152	   76	    	    	    	    	    	    	    	  152	  152
199316	1981	  229	   76	    	    	    	    	    	    	    	    	    	  516
199316	1982	  381	  145	  122	  305	    	    	    	    	    	    	    	  155
199316	1983	  478	  610	    8	    	    	    	    	    	    	    	    	  185
199316	1984	  528	   33	  432	    	    	    	    	    	    	    	    	  102
199316	1985	  201	  305	   56	   25	    	    	    	    	    	    	   96	   36
199316	1986	    5	  305	   25	    	    	    	    	    	    	    	  203	  102
199316	1987	  851	   76	   25	  203	    	    	    	    	    	    	  135	  180
199316	1988	  432	  241	  127	    	    	    	    	    	    	    	    	   38
199316	1989	   38	  152	   66	   13	    	    	    	    	    	    	  127	  229
199316	1990	  241	  343	  127	    8	    	    	    	    	    	    	    	  152
199316	1991	  244	  160	   71	    	    	    	    	    	    	    	    8	  127
199316	1992	   15	  127	  249	    	    	    	    	    	    	    	   20	  610
199316	1993	  231	  330	  711	    	    	    	    	    	    	    	    	  254