"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
190770	1970	 -5.0	  0.2	  3.0	  9.4	 15.3	 19.4	 23.5	 23.1	 18.7	 12.7	  7.1	 -1.7
190770	1971	 -4.6	 -0.9	  2.6	  7.2	 13.1	 20.6	 23.0	 23.0	 20.0	 15.4	  6.1	  2.4
190770	1972	  0.5	 -1.3	  2.4	  7.2	 14.2	 18.5	 23.2	 21.9	 18.7	 11.0	  5.7	  0.5
190770	1973	 -0.3	 -1.1	  6.3	  9.9	 13.9	 21.1	 23.5	 23.8	 18.0	 13.1	  7.6	  4.2
190770	1974	 -0.1	 -1.6	  3.7	 10.5	 12.6	 18.2	 22.4	 22.2	 17.6	 10.0	  7.4	  3.2
190770	1975	  1.6	    	  2.7	  7.3	 16.4	 19.7	 24.4	 22.7	 17.7	 14.0	 11.0	  1.3
190770	1976	 -3.2	  2.9	  5.1	 12.8	 15.7	 23.0	 22.7	 22.2	 18.2	 11.3	  5.5	 -1.7
190770	1977	 -4.9	 -0.7	  7.0	 10.7	 17.0	 19.7	 23.8	 23.0	 18.0	 12.9	  8.9	  1.2
190770	1978	 -2.0	 -2.8	  2.3	  9.3	 15.2	 20.1	 22.2	 22.0	 16.3	 11.4	  6.4	  1.8
190770	1979	  0.3	 -4.8	  5.8	  9.3	 16.2	 20.1	 23.6	 22.0	 18.3	 11.5	  9.2	  2.6
190770	1980	 -1.4	 -2.3	  2.7	  9.3	 15.2	 19.1	 24.3	 23.4	 19.4	 11.3	  5.1	 -1.7
190770	1981	 -5.7	  2.4	  3.9	 10.9	 15.8	 21.5	 23.6	 22.2	 17.6	 10.7	  6.6	  0.6
190770	1982	 -5.0	 -0.7	  3.7	  9.0	 14.3	 17.4	 23.8	 21.3	 17.8	 12.3	  8.7	  4.2
190770	1983	 -0.4	  0.4	  4.8	  9.5	 14.5	 21.5	 25.5	 23.1	 21.4	 12.9	  7.8	  0.1
190770	1984	 -3.0	  3.1	 -0.1	  7.8	 14.4	 21.4	 23.7	 23.6	 16.7	 11.8	  7.0	  4.2
190770	1985	 -4.3	  0.4	  4.6	  9.6	 15.1	 18.2	 23.1	 21.3	 18.5	 13.0	  7.4	 -0.4
190770	1986	 -0.4	 -1.8	  4.8	  9.1	 14.7	 18.9	 21.6	 21.4	 17.4	 12.2	  5.7	  2.0
190770	1987	 -1.7	 -1.6	  3.6	  7.4	 14.0	 18.4	 22.0	 21.3	 18.5	 12.4	  6.6	  2.3
190770	1988	 -2.3	  0.1	  4.0	  8.2	 14.2	 20.3	 23.2	 24.1	 18.1	 10.4	  8.1	  0.4
190770	1989	  1.4	 -0.8	  2.9	  7.7	 15.2	 19.9	 22.6	 22.0	 18.1	 12.9	  6.0	 -5.7
190770	1990	  2.4	  1.2	  4.5	  8.7	 12.7	 19.2	 22.8	 22.9	 18.1	 14.6	  9.2	  4.8
190770	1991	 -1.4	  2.2	  5.3	 10.7	 17.4	 21.1	 23.6	 23.2	 17.6	 13.5	  7.3	  2.2
190770	1992	 -0.6	  0.2	  1.9	  8.0	 13.1	 19.8	 20.8	 21.3	 17.7	 11.3	  6.0	  1.6
190770	1993	  0.2	 -2.7	  2.4	  9.1	 15.7	 20.8	 23.7	 23.1	 18.2	 11.3	  7.6	  1.2