Ársmeðaltöl fyrir stöð 578 - Birkihlíð
stöð	 ár	  t	  tx	  txx	txxD1	  tn	 tnn	tnnD1	 rh	 r	 rx	rxD1	 p	 n	sun	 f
578	1985	  2.1	  5.3	 20.3	19-05	 -1.4	-20.1	05-11	NA	643.4	 40.8	16-11	NA	5.8	NA	 3.6
578	1986	  2.9	  6.3	 25.5	27-06	 -0.6	-21.4	02-12	NA	1332.0	 82.9	13-12	NA	5.7	NA	 4.1
578	1987	  3.9	  7.1	 25.0	21-07	  0.8	-19.5	16-02	NA	845.8	 54.5	28-02	NA	6.1	NA	 3.7
578	1988	  2.4	  5.7	 24.0	25-06	 -1.1	-23.7	05-01	NA	709.6	 54.0	05-05	NA	6.0	NA	 3.8
578	1989	  3.2	  6.4	 22.0	18-07	 -0.3	-17.6	21-12	NA	1196.7	 51.6	08-03	NA	6.0	NA	 3.6
578	1990	  3.2	  6.3	 21.0	22-07	 -0.3	-19.0	10-03	NA	842.7	 36.1	09-01	NA	6.3	NA	 4.4
578	1991	  4.3	  7.7	 27.6	05-07	  0.4	-18.2	21-12	NA	1121.9	 61.4	03-02	NA	5.9	NA	 4.7
578	1992	  3.3	  6.6	 23.9	06-07	 -0.2	-20.1	14-03	NA	1105.8	 54.3	06-09	NA	6.4	NA	 4.9
578	1993	  3.2	  6.6	 20.7	25-08	 -0.2	-20.3	23-01	NA	1087.8	 50.1	26-06	NA	6.3	NA	 5.2
578	1994	  3.1	  6.4	 25.6	07-08	 -0.5	-18.0	19-03	NA	1041.5	 44.3	08-12	NA	6.1	NA	 4.4
578	1995	  2.2	  5.6	 24.8	03-08	 -1.1	-22.5	27-12	NA	713.5	 38.4	01-10	NA	6.0	NA	 5.0
578	1996	  3.4	  7.1	 24.7	17-07	  0.0	-19.9	24-11	NA	1013.9	 57.8	15-10	NA	6.1	NA	 4.7
578	1997	  3.5	  6.9	 25.0	03-06	  0.2	-17.5	15-03	NA	929.9	 85.7	31-12	NA	6.2	NA	 4.7
578	1998	  2.4	  5.8	 25.0	02-07	 -1.2	-22.9	07-03	NA	1065.0	 78.1	08-11	NA	6.2	NA	 4.6
578	1999	  2.9	  6.6	 24.5	26-07	 -0.7	-19.2	31-03	NA	746.9	 62.4	16-09	NA	6.2	NA	 4.7
578	2000	  3.2	  6.9	 24.5	23-07	 -0.3	-19.7	30-12	NA	949.8	 58.9	21-02	NA	6.1	NA	 5.7