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	0.15
1980/04/02	15.30
1980/04/03	12.00
1980/04/04	3.70
1980/04/05	2.30
1980/04/06	1.64
1980/04/07	1.37
1980/04/08	0.92
1980/04/09	0.65
1980/04/10	0.56
1980/04/11	0.56
1980/04/12	0.38
1980/04/13	0.20
1980/04/14	0.19
1980/04/15	0.19
1980/04/16	0.18
1980/04/17	1.28
1980/04/18	1.46
1980/04/19	1.01
1980/04/20	0.92
1980/04/21	0.65
1980/04/22	1.91
1980/04/23	1.82
1980/04/24	1.28
1980/04/25	0.92
1980/04/26	0.65
1980/04/27	1.28
1980/04/28	1.10
1980/04/29	1.64
1980/04/30	0.92
1980/05/01	0.56
1980/05/02	0.20
1980/05/03	1.28
1980/05/04	2.90
1980/05/05	6.40
1980/05/06	10.80
1980/05/07	5.60
1980/05/08	7.00
1980/05/09	3.30
1980/05/10	16.50
1980/05/11	13.80
1980/05/12	5.80
1980/05/13	3.30
1980/05/14	3.70
1980/05/15	2.90
1980/05/16	4.00
1980/05/17	7.80
1980/05/18	4.00
1980/05/19	2.90
1980/05/20	5.40
1980/05/21	3.80
1980/05/22	3.70
1980/05/23	11.00
1980/05/24	7.60
1980/05/25	7.60
1980/05/26	4.40
1980/05/27	18.00
1980/05/28	38.00
1980/05/29	12.60
1980/05/30	8.40
1980/05/31	7.40
1980/06/01	4.20
1980/06/02	3.30
1980/06/03	31.20
1980/06/04	34.00
1980/06/05	36.00
1980/06/06	12.60
1980/06/07	8.60
1980/06/08	5.60
1980/06/09	5.20
1980/06/10	11.60
1980/06/11	9.60
1980/06/12	17.10
1980/06/13	25.20
1980/06/14	20.80
1980/06/15	24.00
1980/06/16	26.80
1980/06/17	58.50
1980/06/18	32.40
1980/06/19	17.70
1980/06/20	29.20
1980/06/21	22.80
1980/06/22	27.60
1980/06/23	38.00
1980/06/24	32.40
1980/06/25	19.20
1980/06/26	12.90
1980/06/27	39.50
1980/06/28	43.50
1980/06/29	20.80
1980/06/30	13.20
1980/07/01	10.00
1980/07/02	8.00
1980/07/03	6.80
1980/07/04	5.60
1980/07/05	4.60
1980/07/06	4.00
1980/07/07	4.40
1980/07/08	3.90
1980/07/09	3.60
1980/07/10	3.60
1980/07/11	3.10
1980/07/12	2.90
1980/07/13	2.90
1980/07/14	3.30
1980/07/15	3.40
1980/07/16	3.10
1980/07/17	2.70
1980/07/18	2.60
1980/07/19	4.40
1980/07/20	3.00
1980/07/21	3.00
1980/07/22	30.80
1980/07/23	10.00
1980/07/24	6.40
1980/07/25	40.00
1980/07/26	28.40
1980/07/27	20.00
1980/07/28	73.80
1980/07/29	86.40
1980/07/30	184.65
1980/07/31	112.00
1980/08/01	70.50
1980/08/02	44.00
1980/08/03	33.20
1980/08/04	26.80
1980/08/05	20.40
1980/08/06	13.20
1980/08/07	11.20
1980/08/08	9.80
1980/08/09	8.80
1980/08/10	7.80
1980/08/11	7.20
1980/08/12	6.60
1980/08/13	5.60
1980/08/14	5.40
1980/08/15	5.00
1980/08/16	6.40
1980/08/17	6.60
1980/08/18	7.20
1980/08/19	6.60
1980/08/20	9.60
1980/08/21	23.60
1980/08/22	55.05
1980/08/23	27.60
1980/08/24	64.50
1980/08/25	214.40
1980/08/26	70.50
1980/08/27	40.00
1980/08/28	27.20
1980/08/29	20.40
1980/08/30	16.50
1980/08/31	19.60
1980/09/01	64.50
1980/09/02	212.05
1980/09/03	148.50
1980/09/04	269.40
1980/09/05	243.05
1980/09/06	133.50
1980/09/07	1080.00
1980/09/08	547.40
1980/09/09	212.50
1980/09/10	141.30
1980/09/11	133.50
1980/09/12	129.60
1980/09/13	80.00
1980/09/14	55.85
1980/09/15	41.50
1980/09/16	52.75
1980/09/17	246.15
1980/09/18	350.50
1980/09/19	182.50
1980/09/20	107.40
1980/09/21	106.30
1980/09/22	104.10
1980/09/23	80.00
1980/09/24	73.00
1980/09/25	50.50
1980/09/26	60.10
1980/09/27	66.05
1980/09/28	40.75
1980/09/29	32.50
1980/09/30	26.00
1980/10/01	24.00
1980/10/02	25.60
1980/10/03	23.60
1980/10/04	19.20
1980/10/05	16.80
1980/10/06	14.80
1980/10/07	14.80
1980/10/08	22.40
1980/10/09	30.50
1980/10/10	26.00
1980/10/11	25.60
1980/10/12	20.40
1980/10/13	16.80
1980/10/14	15.20
1980/10/15	13.40
1980/10/16	12.50
1980/10/17	12.80
1980/10/18	17.60
1980/10/19	18.80
1980/10/20	14.00
1980/10/21	13.70
1980/10/22	11.30
1980/10/23	9.80
1980/10/24	9.50
1980/10/25	12.80
1980/10/26	12.50
1980/10/27	10.10
1980/10/28	9.20
1980/10/29	8.00
1980/10/30	7.60
1980/10/31	7.00
1980/11/01	6.80
1980/11/02	6.60
1980/11/03	6.40
1980/11/04	6.00
1980/11/05	6.00
1980/11/06	5.80
1980/11/07	5.80
1980/11/08	5.80
1980/11/09	5.60
1980/11/10	6.00
1980/11/11	6.20
1980/11/12	5.80
1980/11/13	5.40
1980/11/14	5.20
1980/11/15	5.20
1980/11/16	5.00
1980/11/17	4.80
1980/11/18	4.60
1980/11/19	4.40
1980/11/20	4.40
1980/11/21	4.40
1980/11/22	4.00
1980/11/23	4.00
1980/11/24	3.85
1980/11/25	3.85
1980/11/26	3.85
1980/11/27	3.70
1980/11/28	3.70
1980/11/29	3.70
1980/11/30	3.55
1980/12/01	3.40
1980/12/02	3.25
1980/12/03	3.10
1980/12/04	2.95
1980/12/05	2.95
1980/12/06	2.80
1980/12/07	2.80
1980/12/08	2.65
1980/12/09	2.50
1980/12/10	2.50
1980/12/11	2.35
1980/12/12	2.20
1980/12/13	2.05
1980/12/14	2.05
1980/12/15	1.90
1980/12/16	1.75
1980/12/17	1.90
1980/12/18	1.75
1980/12/19	1.75
1980/12/20	1.75
1980/12/21	2.35
1980/12/22	1.60
1980/12/23	1.45
1980/12/24	1.60
1980/12/25	1.45
1980/12/26	1.45
1980/12/27	1.45
1980/12/28	1.30
1980/12/29	1.30
1980/12/30	1.30
1980/12/31	1.15
#===========================================
# Number of observations = 275 / 366
# Average = 30.28