"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
275639	1970	-11.3	 -9.2	-10.5	 -5.2	  2.7	  7.2	 10.6	  9.1	  5.0	  1.6	 -4.2	-11.8
275639	1971	-10.5	 -9.3	-12.0	 -6.5	  1.2	  7.2	  8.8	  8.3	  7.3	  4.2	 -7.5	-10.1
275639	1972	 -9.9	-10.6	 -8.8	 -8.2	  3.3	  6.2	  9.7	  7.7	  5.7	 -3.2	 -7.1	 -9.5
275639	1973	 -8.7	-11.9	 -5.2	 -4.5	  0.6	  7.8	 10.2	 10.6	  3.5	  0.3	 -7.7	 -7.2
275639	1974	-10.1	-11.7	-10.3	 -4.5	 -1.5	  7.2	  8.4	  9.1	  3.9	 -4.9	 -4.8	 -9.9
275639	1975	-10.9	-10.2	-10.0	 -8.6	  4.6	  6.8	 10.7	  9.0	  3.8	  0.1	 -4.0	 -9.7
275639	1976	-10.4	 -9.1	 -7.8	 -4.1	  0.9	  9.0	  8.4	  8.6	  3.7	 -3.0	-10.7	-10.4
275639	1977	-11.4	-11.3	 -7.4	 -4.9	  2.3	  5.6	  8.5	  8.3	  4.0	 -1.4	 -4.4	-10.2
275639	1978	-11.1	-13.2	-10.6	 -7.4	  2.8	  6.4	  9.3	  9.4	  3.2	 -2.0	 -6.1	-10.6
275639	1979	 -9.1	 -7.7	 -5.7	 -4.5	  3.2	  7.3	 10.5	  7.3	  4.9	 -1.3	 -3.7	 -9.1
275639	1980	-10.2	-12.7	 -8.7	 -3.7	  1.7	  4.9	  9.3	  9.2	  3.9	 -3.8	 -8.6	 -9.0
275639	1981	-11.1	 -6.7	-10.0	 -4.7	  2.3	  7.1	  9.4	  8.4	  3.7	 -1.2	 -5.9	-10.9
275639	1982	 -9.3	-10.9	 -9.4	 -6.2	  3.5	  4.9	  8.8	  5.6	  6.1	  0.2	 -4.0	 -6.8
275639	1983	-10.0	-10.2	 -6.8	 -3.6	  0.5	  7.9	  9.1	  9.0	  6.1	 -0.5	 -5.1	 -9.1
275639	1984	-12.0	 -6.9	 -8.8	 -3.7	    	  6.9	  8.8	 10.3	  2.5	  1.6	 -5.4	 -8.5
275639	1985	-11.7	-10.2	 -9.7	 -5.1	  2.1	  4.1	  8.8	  7.8	  6.2	 -0.6	 -4.7	-11.7
275639	1986	 -9.1	-11.6	 -6.9	 -1.7	  3.3	  4.9	  8.5	  7.2	  3.3	 -1.6	 -7.6	-10.4
275639	1987	-12.0	-12.4	 -8.0	 -1.8	  2.2	  7.0	  9.6	  7.3	  4.0	 -2.1	 -5.9	-10.2
275639	1988	 -9.8	-10.9	 -8.5	 -4.6	  3.0	  4.5	 10.9	  9.4	  3.1	 -5.0	 -5.3	-10.8
275639	1989	-10.1	-11.5	 -8.5	 -7.1	  3.9	  7.4	  9.5	  8.0	  5.4	  0.1	 -8.0	-11.6
275639	1990	 -9.6	 -9.6	 -6.8	 -3.3	 -0.2	  7.6	  9.6	 10.2	  4.1	  1.6	 -4.8	 -7.9
275639	1991	-10.8	 -9.1	 -7.9	 -2.2	  4.3	  6.8	  8.7	  9.0	  3.2	  0.3	 -4.6	 -9.2
275639	1992	 -7.9	-10.2	 -9.6	 -6.0	  2.8	  6.6	  7.0	  7.9	  6.0	 -2.7	 -6.5	 -8.5
275639	1993	 -9.5	-11.8	 -8.0	 -1.9	  2.0	  5.8	  9.1	  9.6	  4.2	 -2.9	 -6.7	 -7.6