1980/01/01	-9999
1980/01/02	-9999
1980/01/03	-9999
1980/01/04	-9999
1980/01/05	-9999
1980/01/06	-9999
1980/01/07	-9999
1980/01/08	-9999
1980/01/09	-9999
1980/01/10	-9999
1980/01/11	-9999
1980/01/12	-9999
1980/01/13	-9999
1980/01/14	-9999
1980/01/15	-9999
1980/01/16	-9999
1980/01/17	-9999
1980/01/18	-9999
1980/01/19	-9999
1980/01/20	-9999
1980/01/21	-9999
1980/01/22	-9999
1980/01/23	-9999
1980/01/24	-9999
1980/01/25	-9999
1980/01/26	-9999
1980/01/27	-9999
1980/01/28	-9999
1980/01/29	-9999
1980/01/30	-9999
1980/01/31	-9999
1980/02/01	-9999
1980/02/02	-9999
1980/02/03	-9999
1980/02/04	-9999
1980/02/05	-9999
1980/02/06	-9999
1980/02/07	-9999
1980/02/08	-9999
1980/02/09	-9999
1980/02/10	-9999
1980/02/11	-9999
1980/02/12	-9999
1980/02/13	-9999
1980/02/14	-9999
1980/02/15	-9999
1980/02/16	-9999
1980/02/17	-9999
1980/02/18	-9999
1980/02/19	-9999
1980/02/20	-9999
1980/02/21	-9999
1980/02/22	-9999
1980/02/23	-9999
1980/02/24	-9999
1980/02/25	-9999
1980/02/26	-9999
1980/02/27	-9999
1980/02/28	-9999
1980/02/29	-9999
1980/03/01	-9999
1980/03/02	-9999
1980/03/03	-9999
1980/03/04	-9999
1980/03/05	-9999
1980/03/06	-9999
1980/03/07	-9999
1980/03/08	-9999
1980/03/09	-9999
1980/03/10	-9999
1980/03/11	-9999
1980/03/12	-9999
1980/03/13	-9999
1980/03/14	-9999
1980/03/15	-9999
1980/03/16	-9999
1980/03/17	-9999
1980/03/18	-9999
1980/03/19	-9999
1980/03/20	-9999
1980/03/21	-9999
1980/03/22	-9999
1980/03/23	-9999
1980/03/24	-9999
1980/03/25	-9999
1980/03/26	-9999
1980/03/27	-9999
1980/03/28	-9999
1980/03/29	-9999
1980/03/30	-9999
1980/03/31	-9999
1980/04/01	1.90
1980/04/02	1.90
1980/04/03	1.90
1980/04/04	2.10
1980/04/05	2.00
1980/04/06	1.90
1980/04/07	1.90
1980/04/08	1.80
1980/04/09	1.80
1980/04/10	1.70
1980/04/11	1.70
1980/04/12	1.70
1980/04/13	1.60
1980/04/14	1.60
1980/04/15	1.60
1980/04/16	1.50
1980/04/17	1.50
1980/04/18	1.50
1980/04/19	1.50
1980/04/20	1.40
1980/04/21	1.40
1980/04/22	1.40
1980/04/23	1.40
1980/04/24	1.40
1980/04/25	1.30
1980/04/26	1.30
1980/04/27	1.30
1980/04/28	1.30
1980/04/29	1.20
1980/04/30	1.20
1980/05/01	1.10
1980/05/02	1.10
1980/05/03	1.10
1980/05/04	1.50
1980/05/05	1.80
1980/05/06	1.50
1980/05/07	1.20
1980/05/08	1.20
1980/05/09	1.20
1980/05/10	1.20
1980/05/11	1.10
1980/05/12	1.10
1980/05/13	1.10
1980/05/14	0.80
1980/05/15	0.70
1980/05/16	0.70
1980/05/17	0.70
1980/05/18	0.60
1980/05/19	0.60
1980/05/20	1.10
1980/05/21	2.80
1980/05/22	4.20
1980/05/23	17.90
1980/05/24	18.20
1980/05/25	9.20
1980/05/26	5.60
1980/05/27	8.20
1980/05/28	5.60
1980/05/29	5.60
1980/05/30	4.40
1980/05/31	3.00
1980/06/01	3.20
1980/06/02	3.20
1980/06/03	3.20
1980/06/04	2.40
1980/06/05	2.20
1980/06/06	2.00
1980/06/07	1.80
1980/06/08	1.80
1980/06/09	2.30
1980/06/10	2.10
1980/06/11	1.90
1980/06/12	2.20
1980/06/13	8.00
1980/06/14	6.00
1980/06/15	4.40
1980/06/16	3.00
1980/06/17	2.90
1980/06/18	4.20
1980/06/19	8.20
1980/06/20	6.20
1980/06/21	19.70
1980/06/22	26.80
1980/06/23	15.20
1980/06/24	9.00
1980/06/25	6.80
1980/06/26	6.00
1980/06/27	8.20
1980/06/28	5.40
1980/06/29	4.40
1980/06/30	4.20
1980/07/01	4.20
1980/07/02	3.60
1980/07/03	2.90
1980/07/04	2.80
1980/07/05	2.10
1980/07/06	5.20
1980/07/07	3.60
1980/07/08	3.40
1980/07/09	5.60
1980/07/10	3.60
1980/07/11	3.60
1980/07/12	3.00
1980/07/13	2.90
1980/07/14	2.90
1980/07/15	4.20
1980/07/16	5.20
1980/07/17	4.00
1980/07/18	3.20
1980/07/19	3.00
1980/07/20	3.20
1980/07/21	4.00
1980/07/22	8.00
1980/07/23	13.10
1980/07/24	6.80
1980/07/25	7.40
1980/07/26	10.40
1980/07/27	8.00
1980/07/28	7.40
1980/07/29	9.20
1980/07/30	7.00
1980/07/31	6.00
1980/08/01	6.20
1980/08/02	6.20
1980/08/03	7.20
1980/08/04	6.00
1980/08/05	5.20
1980/08/06	5.20
1980/08/07	5.00
1980/08/08	3.80
1980/08/09	4.40
1980/08/10	4.40
1980/08/11	4.40
1980/08/12	4.20
1980/08/13	3.60
1980/08/14	5.40
1980/08/15	4.40
1980/08/16	5.60
1980/08/17	6.80
1980/08/18	7.00
1980/08/19	7.40
1980/08/20	8.80
1980/08/21	11.30
1980/08/22	8.40
1980/08/23	7.00
1980/08/24	6.60
1980/08/25	7.80
1980/08/26	6.80
1980/08/27	6.00
1980/08/28	5.60
1980/08/29	5.80
1980/08/30	5.20
1980/08/31	6.60
1980/09/01	8.80
1980/09/02	15.50
1980/09/03	10.60
1980/09/04	8.40
1980/09/05	8.40
1980/09/06	7.80
1980/09/07	26.40
1980/09/08	16.10
1980/09/09	10.20
1980/09/10	9.80
1980/09/11	14.90
1980/09/12	14.00
1980/09/13	10.00
1980/09/14	11.30
1980/09/15	14.00
1980/09/16	11.00
1980/09/17	11.60
1980/09/18	14.00
1980/09/19	10.80
1980/09/20	9.40
1980/09/21	8.40
1980/09/22	8.20
1980/09/23	13.40
1980/09/24	8.40
1980/09/25	8.20
1980/09/26	7.60
1980/09/27	7.20
1980/09/28	7.00
1980/09/29	6.60
1980/09/30	8.40
1980/10/01	8.20
1980/10/02	12.20
1980/10/03	28.40
1980/10/04	31.60
1980/10/05	20.00
1980/10/06	14.30
1980/10/07	11.90
1980/10/08	18.80
1980/10/09	12.20
1980/10/10	9.80
1980/10/11	9.20
1980/10/12	9.80
1980/10/13	8.20
1980/10/14	7.80
1980/10/15	7.40
1980/10/16	9.60
1980/10/17	9.80
1980/10/18	9.00
1980/10/19	15.20
1980/10/20	10.60
1980/10/21	8.60
1980/10/22	7.80
1980/10/23	8.20
1980/10/24	7.80
1980/10/25	7.20
1980/10/26	7.80
1980/10/27	7.20
1980/10/28	6.80
1980/10/29	6.60
1980/10/30	6.60
1980/10/31	7.00
1980/11/01	7.00
1980/11/02	8.00
1980/11/03	7.40
1980/11/04	7.00
1980/11/05	6.60
1980/11/06	6.60
1980/11/07	6.40
1980/11/08	17.00
1980/11/09	7.80
1980/11/10	7.40
1980/11/11	6.60
1980/11/12	6.40
1980/11/13	6.20
1980/11/14	6.20
1980/11/15	6.00
1980/11/16	6.00
1980/11/17	5.80
1980/11/18	5.80
1980/11/19	8.80
1980/11/20	6.40
1980/11/21	6.00
1980/11/22	5.80
1980/11/23	5.80
1980/11/24	5.80
1980/11/25	5.60
1980/11/26	5.60
1980/11/27	5.40
1980/11/28	5.40
1980/11/29	5.20
1980/11/30	5.20
1980/12/01	5.00
1980/12/02	5.00
1980/12/03	5.00
1980/12/04	5.00
1980/12/05	4.80
1980/12/06	4.80
1980/12/07	4.80
1980/12/08	4.80
1980/12/09	4.80
1980/12/10	4.80
1980/12/11	4.80
1980/12/12	4.80
1980/12/13	5.60
1980/12/14	5.80
1980/12/15	5.20
1980/12/16	5.00
1980/12/17	4.80
1980/12/18	4.80
1980/12/19	4.60
1980/12/20	4.60
1980/12/21	4.60
1980/12/22	4.40
1980/12/23	4.40
1980/12/24	4.20
1980/12/25	4.20
1980/12/26	4.20
1980/12/27	4.00
1980/12/28	4.00
1980/12/29	4.00
1980/12/30	3.80
1980/12/31	3.80
#===========================================
# Number of observations = 275 / 366
# Average = 6.17