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	2.20
1980/04/02	2.20
1980/04/03	2.20
1980/04/04	3.20
1980/04/05	2.80
1980/04/06	2.40
1980/04/07	2.40
1980/04/08	2.20
1980/04/09	2.20
1980/04/10	2.20
1980/04/11	2.00
1980/04/12	2.00
1980/04/13	1.60
1980/04/14	1.60
1980/04/15	1.60
1980/04/16	1.40
1980/04/17	3.00
1980/04/18	2.60
1980/04/19	2.00
1980/04/20	1.60
1980/04/21	1.40
1980/04/22	1.40
1980/04/23	1.40
1980/04/24	1.40
1980/04/25	1.40
1980/04/26	1.40
1980/04/27	1.40
1980/04/28	1.40
1980/04/29	1.40
1980/04/30	1.40
1980/05/01	1.40
1980/05/02	1.20
1980/05/03	1.40
1980/05/04	2.40
1980/05/05	3.00
1980/05/06	2.20
1980/05/07	2.00
1980/05/08	1.40
1980/05/09	1.00
1980/05/10	1.20
1980/05/11	1.20
1980/05/12	1.20
1980/05/13	1.40
1980/05/14	1.40
1980/05/15	1.40
1980/05/16	1.60
1980/05/17	1.60
1980/05/18	1.60
1980/05/19	1.40
1980/05/20	1.40
1980/05/21	1.80
1980/05/22	1.80
1980/05/23	3.40
1980/05/24	3.80
1980/05/25	3.00
1980/05/26	2.60
1980/05/27	2.80
1980/05/28	2.60
1980/05/29	3.00
1980/05/30	3.00
1980/05/31	2.60
1980/06/01	2.60
1980/06/02	2.80
1980/06/03	3.20
1980/06/04	4.80
1980/06/05	3.40
1980/06/06	3.00
1980/06/07	2.80
1980/06/08	2.40
1980/06/09	2.40
1980/06/10	2.80
1980/06/11	2.80
1980/06/12	3.00
1980/06/13	3.40
1980/06/14	3.80
1980/06/15	4.40
1980/06/16	12.60
1980/06/17	13.20
1980/06/18	6.80
1980/06/19	5.20
1980/06/20	13.80
1980/06/21	13.20
1980/06/22	8.80
1980/06/23	10.80
1980/06/24	10.40
1980/06/25	8.80
1980/06/26	6.00
1980/06/27	5.20
1980/06/28	6.80
1980/06/29	5.60
1980/06/30	4.80
1980/07/01	3.80
1980/07/02	3.40
1980/07/03	3.00
1980/07/04	2.80
1980/07/05	2.40
1980/07/06	2.40
1980/07/07	2.40
1980/07/08	2.60
1980/07/09	2.40
1980/07/10	2.60
1980/07/11	2.60
1980/07/12	2.60
1980/07/13	2.80
1980/07/14	2.80
1980/07/15	3.00
1980/07/16	3.20
1980/07/17	3.60
1980/07/18	3.80
1980/07/19	3.80
1980/07/20	6.00
1980/07/21	8.80
1980/07/22	24.00
1980/07/23	21.60
1980/07/24	15.00
1980/07/25	18.00
1980/07/26	22.20
1980/07/27	47.60
1980/07/28	34.80
1980/07/29	28.20
1980/07/30	29.40
1980/07/31	21.60
1980/08/01	16.20
1980/08/02	13.20
1980/08/03	11.20
1980/08/04	10.00
1980/08/05	8.80
1980/08/06	8.00
1980/08/07	6.80
1980/08/08	6.40
1980/08/09	6.00
1980/08/10	6.00
1980/08/11	4.80
1980/08/12	4.00
1980/08/13	3.80
1980/08/14	3.80
1980/08/15	4.00
1980/08/16	7.20
1980/08/17	9.60
1980/08/18	21.60
1980/08/19	24.00
1980/08/20	27.00
1980/08/21	16.80
1980/08/22	15.00
1980/08/23	13.20
1980/08/24	17.40
1980/08/25	31.60
1980/08/26	21.60
1980/08/27	17.40
1980/08/28	14.40
1980/08/29	12.00
1980/08/30	13.20
1980/08/31	19.80
1980/09/01	34.00
1980/09/02	81.00
1980/09/03	92.40
1980/09/04	60.00
1980/09/05	67.00
1980/09/06	67.00
1980/09/07	71.00
1980/09/08	108.00
1980/09/09	83.00
1980/09/10	72.00
1980/09/11	65.00
1980/09/12	64.00
1980/09/13	45.20
1980/09/14	37.20
1980/09/15	42.80
1980/09/16	64.00
1980/09/17	46.00
1980/09/18	40.40
1980/09/19	34.80
1980/09/20	31.60
1980/09/21	28.20
1980/09/22	26.40
1980/09/23	24.60
1980/09/24	23.40
1980/09/25	22.20
1980/09/26	20.40
1980/09/27	19.80
1980/09/28	22.20
1980/09/29	21.00
1980/09/30	20.40
1980/10/01	19.80
1980/10/02	21.60
1980/10/03	21.60
1980/10/04	32.40
1980/10/05	24.00
1980/10/06	21.00
1980/10/07	19.20
1980/10/08	18.00
1980/10/09	16.80
1980/10/10	15.60
1980/10/11	16.20
1980/10/12	28.20
1980/10/13	20.40
1980/10/14	19.80
1980/10/15	18.00
1980/10/16	17.40
1980/10/17	17.40
1980/10/18	18.60
1980/10/19	20.40
1980/10/20	33.20
1980/10/21	23.40
1980/10/22	21.00
1980/10/23	19.80
1980/10/24	18.60
1980/10/25	16.80
1980/10/26	15.60
1980/10/27	15.60
1980/10/28	15.00
1980/10/29	13.20
1980/10/30	12.60
1980/10/31	12.60
1980/11/01	13.20
1980/11/02	13.20
1980/11/03	12.60
1980/11/04	12.00
1980/11/05	11.60
1980/11/06	11.20
1980/11/07	11.20
1980/11/08	11.20
1980/11/09	12.00
1980/11/10	13.20
1980/11/11	12.60
1980/11/12	12.00
1980/11/13	12.00
1980/11/14	11.20
1980/11/15	10.80
1980/11/16	10.80
1980/11/17	10.40
1980/11/18	10.40
1980/11/19	10.80
1980/11/20	10.00
1980/11/21	9.60
1980/11/22	10.00
1980/11/23	10.00
1980/11/24	9.60
1980/11/25	10.00
1980/11/26	9.60
1980/11/27	9.60
1980/11/28	9.20
1980/11/29	8.80
1980/11/30	8.80
1980/12/01	8.40
1980/12/02	8.40
1980/12/03	8.40
1980/12/04	8.00
1980/12/05	8.00
1980/12/06	7.60
1980/12/07	8.00
1980/12/08	7.20
1980/12/09	7.20
1980/12/10	9.20
1980/12/11	9.60
1980/12/12	9.60
1980/12/13	10.40
1980/12/14	11.60
1980/12/15	9.60
1980/12/16	8.40
1980/12/17	7.60
1980/12/18	7.20
1980/12/19	6.80
1980/12/20	6.40
1980/12/21	6.40
1980/12/22	6.00
1980/12/23	6.00
1980/12/24	6.00
1980/12/25	6.40
1980/12/26	6.40
1980/12/27	6.00
1980/12/28	6.00
1980/12/29	6.40
1980/12/30	6.00
1980/12/31	5.60
#===========================================
# Number of observations = 275 / 366
# Average = 13.19