"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
175675	1970	 -9.0	 -4.0	  0.3	  6.1	 13.1	 17.5	 21.0	 20.4	 15.4	 10.6	  4.3	 -7.1
175675	1971	 -7.6	 -4.0	 -0.1	  5.1	 12.2	 17.6	 20.3	 19.8	 16.9	 11.7	  2.1	 -3.7
175675	1972	 -4.0	 -5.4	 -1.7	  4.4	 12.7	 16.0	 20.0	 19.0	 15.8	  7.5	  1.7	 -4.6
175675	1973	 -3.9	 -4.1	  3.0	  7.3	 11.2	 17.4	 21.3	 21.0	 14.5	 10.0	  3.0	  0.6
175675	1974	 -4.6	 -5.0	  0.3	  7.1	  9.9	 16.5	 19.5	 20.0	 14.5	  6.6	  3.4	 -1.2
175675	1975	 -3.6	 -4.1	 -0.1	  4.9	 13.6	 17.2	 21.1	 19.8	 14.2	 10.0	  6.0	 -3.8
175675	1976	 -6.9	 -2.1	  0.5	  8.0	 12.2	 19.3	 19.6	 19.4	 14.9	  8.1	  2.0	 -6.5
175675	1977	 -8.2	 -4.5	  3.3	  6.5	 13.9	 15.9	 20.3	 19.6	 14.1	  9.1	  4.7	 -3.3
175675	1978	 -6.6	 -6.4	 -1.3	  5.0	 13.3	 16.7	 20.6	 20.1	 13.5	  8.7	  2.3	 -3.3
175675	1979	 -4.1	 -6.9	  2.5	  6.2	 13.3	 17.3	 21.0	 18.5	 14.6	  9.1	  5.9	 -1.4
175675	1980	 -5.1	 -6.1	 -0.1	  6.8	 12.8	 16.2	 20.5	 20.8	 14.6	  7.7	  2.1	 -5.8
175675	1981	 -8.3	  0.1	  1.7	  7.5	 13.7	 17.7	 20.3	 18.8	 14.2	  8.0	  3.2	 -2.1
175675	1982	 -8.4	 -5.2	 -0.1	  5.2	 12.6	 15.2	 20.4	 17.8	 15.0	  9.4	  5.0	 -0.3
175675	1983	 -3.9	 -3.1	  1.8	  6.8	 11.4	 18.1	 20.9	 20.0	 17.0	  9.3	  4.2	 -3.0
175675	1984	 -6.0	    	 -2.6	  6.4	 12.1	 17.5	 20.7	 20.7	 14.1	 10.2	  4.4	 -1.1
175675	1985	 -8.5	 -2.9	  1.2	  6.7	 12.6	 16.0	 20.3	 18.8	 15.6	  9.9	  3.5	 -4.5
175675	1986	 -4.3	 -5.2	  1.0	  8.1	 11.8	 15.7	 18.7	 18.3	 13.4	  8.8	  1.7	 -2.1
175675	1987	 -6.0	 -5.0	  0.8	  7.6	 12.7	 17.0	 19.0	 18.3	 14.7	  9.0	  2.8	 -1.7
175675	1988	 -4.8	 -3.5	  0.4	  5.9	 12.7	 17.2	 21.1	 20.4	 14.2	  7.4	  4.7	 -3.7
175675	1989	 -3.2	 -5.0	 -1.0	  4.9	    	 17.1	 19.7	 18.9	 15.3	  9.9	  2.2	-10.4
175675	1990	 -1.9	 -3.8	  0.6	  6.6	 11.2	 16.6	 20.4	 20.4	 14.8	 10.7	  4.3	  0.3
175675	1991	 -5.6	 -2.1	  2.0	  7.2	 14.5	 18.0	 20.4	 20.5	 14.2	 10.3	  4.5	 -4.2
175675	1992	 -5.1	 -3.9	 -1.2	  4.7	 12.1	 17.2	 18.0	 18.8	 14.8	  7.8	  2.2	 -2.2
175675	1993	 -5.0	 -8.2	 -0.7	  6.1	 13.0	 17.1	 20.2	 19.6	 14.7	  7.6	  3.8	 -1.6