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	1.27
1980/04/02	1.87
1980/04/03	1.37
1980/04/04	1.33
1980/04/05	1.37
1980/04/06	1.37
1980/04/07	1.37
1980/04/08	1.33
1980/04/09	1.30
1980/04/10	1.27
1980/04/11	1.27
1980/04/12	1.23
1980/04/13	1.23
1980/04/14	1.23
1980/04/15	1.27
1980/04/16	1.27
1980/04/17	1.30
1980/04/18	1.27
1980/04/19	1.27
1980/04/20	1.23
1980/04/21	1.23
1980/04/22	1.23
1980/04/23	1.33
1980/04/24	1.23
1980/04/25	1.20
1980/04/26	1.17
1980/04/27	1.23
1980/04/28	1.23
1980/04/29	1.20
1980/04/30	1.20
1980/05/01	1.20
1980/05/02	1.23
1980/05/03	1.23
1980/05/04	1.87
1980/05/05	1.43
1980/05/06	1.40
1980/05/07	1.33
1980/05/08	1.27
1980/05/09	1.23
1980/05/10	1.23
1980/05/11	1.20
1980/05/12	1.17
1980/05/13	1.17
1980/05/14	1.17
1980/05/15	1.17
1980/05/16	1.13
1980/05/17	1.10
1980/05/18	1.10
1980/05/19	1.23
1980/05/20	2.80
1980/05/21	17.40
1980/05/22	17.40
1980/05/23	84.48
1980/05/24	36.40
1980/05/25	21.30
1980/05/26	7.75
1980/05/27	55.50
1980/05/28	10.50
1980/05/29	8.25
1980/05/30	4.40
1980/05/31	2.90
1980/06/01	2.20
1980/06/02	1.93
1980/06/03	2.20
1980/06/04	1.93
1980/06/05	1.80
1980/06/06	1.67
1980/06/07	1.60
1980/06/08	1.60
1980/06/09	1.57
1980/06/10	1.57
1980/06/11	1.77
1980/06/12	1.90
1980/06/13	2.40
1980/06/14	2.90
1980/06/15	2.10
1980/06/16	1.97
1980/06/17	1.87
1980/06/18	1.90
1980/06/19	6.60
1980/06/20	5.80
1980/06/21	23.40
1980/06/22	23.70
1980/06/23	15.90
1980/06/24	8.25
1980/06/25	6.40
1980/06/26	5.20
1980/06/27	11.00
1980/06/28	5.80
1980/06/29	4.80
1980/06/30	4.00
1980/07/01	3.00
1980/07/02	2.30
1980/07/03	1.87
1980/07/04	1.83
1980/07/05	1.77
1980/07/06	2.00
1980/07/07	2.00
1980/07/08	2.60
1980/07/09	2.10
1980/07/10	1.93
1980/07/11	1.77
1980/07/12	1.53
1980/07/13	1.57
1980/07/14	1.50
1980/07/15	1.80
1980/07/16	1.63
1980/07/17	1.57
1980/07/18	1.50
1980/07/19	1.50
1980/07/20	1.57
1980/07/21	1.83
1980/07/22	1.87
1980/07/23	3.60
1980/07/24	1.87
1980/07/25	1.87
1980/07/26	3.40
1980/07/27	3.40
1980/07/28	3.60
1980/07/29	2.20
1980/07/30	2.00
1980/07/31	1.80
1980/08/01	1.83
1980/08/02	1.77
1980/08/03	2.00
1980/08/04	1.77
1980/08/05	1.67
1980/08/06	1.77
1980/08/07	1.63
1980/08/08	1.60
1980/08/09	1.60
1980/08/10	1.57
1980/08/11	1.53
1980/08/12	1.50
1980/08/13	1.50
1980/08/14	1.50
1980/08/15	1.50
1980/08/16	1.63
1980/08/17	1.87
1980/08/18	2.70
1980/08/19	5.60
1980/08/20	7.75
1980/08/21	11.50
1980/08/22	3.80
1980/08/23	31.20
1980/08/24	31.20
1980/08/25	10.25
1980/08/26	5.20
1980/08/27	3.60
1980/08/28	2.40
1980/08/29	2.40
1980/08/30	2.10
1980/08/31	5.20
1980/09/01	19.20
1980/09/02	22.50
1980/09/03	12.60
1980/09/04	8.00
1980/09/05	7.50
1980/09/06	5.40
1980/09/07	19.20
1980/09/08	17.70
1980/09/09	10.50
1980/09/10	10.00
1980/09/11	20.40
1980/09/12	10.75
1980/09/13	6.80
1980/09/14	5.60
1980/09/15	5.80
1980/09/16	6.00
1980/09/17	8.00
1980/09/18	11.50
1980/09/19	9.00
1980/09/20	7.50
1980/09/21	6.60
1980/09/22	5.00
1980/09/23	25.60
1980/09/24	8.00
1980/09/25	7.00
1980/09/26	4.80
1980/09/27	4.60
1980/09/28	4.00
1980/09/29	4.20
1980/09/30	6.80
1980/10/01	18.30
1980/10/02	11.50
1980/10/03	58.00
1980/10/04	38.40
1980/10/05	26.80
1980/10/06	14.40
1980/10/07	12.60
1980/10/08	32.80
1980/10/09	18.60
1980/10/10	12.30
1980/10/11	13.20
1980/10/12	16.50
1980/10/13	10.25
1980/10/14	8.75
1980/10/15	7.75
1980/10/16	9.75
1980/10/17	8.75
1980/10/18	8.00
1980/10/19	8.50
1980/10/20	10.25
1980/10/21	8.00
1980/10/22	6.80
1980/10/23	7.00
1980/10/24	6.00
1980/10/25	5.40
1980/10/26	6.60
1980/10/27	5.20
1980/10/28	4.40
1980/10/29	4.40
1980/10/30	4.20
1980/10/31	4.80
1980/11/01	4.80
1980/11/02	5.40
1980/11/03	5.80
1980/11/04	4.60
1980/11/05	4.40
1980/11/06	3.80
1980/11/07	3.80
1980/11/08	5.00
1980/11/09	7.25
1980/11/10	6.00
1980/11/11	5.40
1980/11/12	4.40
1980/11/13	5.00
1980/11/14	5.60
1980/11/15	5.80
1980/11/16	5.40
1980/11/17	5.20
1980/11/18	4.40
1980/11/19	20.10
1980/11/20	7.25
1980/11/21	6.60
1980/11/22	5.80
1980/11/23	5.80
1980/11/24	5.80
1980/11/25	5.60
1980/11/26	5.40
1980/11/27	4.60
1980/11/28	4.80
1980/11/29	5.00
1980/11/30	4.80
1980/12/01	3.60
1980/12/02	4.00
1980/12/03	4.80
1980/12/04	4.00
1980/12/05	3.40
1980/12/06	3.60
1980/12/07	3.20
1980/12/08	3.60
1980/12/09	3.20
1980/12/10	3.60
1980/12/11	3.20
1980/12/12	2.90
1980/12/13	4.60
1980/12/14	3.60
1980/12/15	3.20
1980/12/16	2.90
1980/12/17	2.90
1980/12/18	2.60
1980/12/19	2.80
1980/12/20	2.50
1980/12/21	2.40
1980/12/22	2.30
1980/12/23	2.10
1980/12/24	1.90
1980/12/25	1.87
1980/12/26	1.80
1980/12/27	1.80
1980/12/28	1.83
1980/12/29	1.83
1980/12/30	1.83
1980/12/31	1.83
#===========================================
# Number of observations = 275 / 366
# Average = 6.10