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	0.65
1980/04/02	0.65
1980/04/03	0.70
1980/04/04	1.05
1980/04/05	1.52
1980/04/06	0.95
1980/04/07	0.80
1980/04/08	0.80
1980/04/09	0.80
1980/04/10	0.80
1980/04/11	0.90
1980/04/12	0.85
1980/04/13	0.80
1980/04/14	0.70
1980/04/15	0.70
1980/04/16	0.90
1980/04/17	3.70
1980/04/18	1.52
1980/04/19	1.25
1980/04/20	1.25
1980/04/21	1.10
1980/04/22	1.10
1980/04/23	0.90
1980/04/24	0.80
1980/04/25	0.90
1980/04/26	0.85
1980/04/27	0.75
1980/04/28	0.80
1980/04/29	0.85
1980/04/30	0.75
1980/05/01	0.80
1980/05/02	0.80
1980/05/03	0.75
1980/05/04	0.90
1980/05/05	1.00
1980/05/06	1.20
1980/05/07	1.10
1980/05/08	0.95
1980/05/09	0.85
1980/05/10	0.80
1980/05/11	0.75
1980/05/12	0.85
1980/05/13	0.90
1980/05/14	0.85
1980/05/15	0.75
1980/05/16	0.70
1980/05/17	0.75
1980/05/18	0.75
1980/05/19	0.70
1980/05/20	0.75
1980/05/21	1.00
1980/05/22	1.05
1980/05/23	2.32
1980/05/24	6.42
1980/05/25	13.92
1980/05/26	21.46
1980/05/27	9.16
1980/05/28	6.42
1980/05/29	9.44
1980/05/30	4.30
1980/05/31	3.60
1980/06/01	2.72
1980/06/02	2.08
1980/06/03	5.46
1980/06/04	5.46
1980/06/05	5.02
1980/06/06	3.60
1980/06/07	1.58
1980/06/08	3.90
1980/06/09	3.10
1980/06/10	2.64
1980/06/11	2.48
1980/06/12	2.08
1980/06/13	7.07
1980/06/14	5.68
1980/06/15	5.35
1980/06/16	5.79
1980/06/17	6.94
1980/06/18	4.91
1980/06/19	4.60
1980/06/20	8.04
1980/06/21	6.42
1980/06/22	4.80
1980/06/23	7.34
1980/06/24	8.46
1980/06/25	6.03
1980/06/26	4.80
1980/06/27	5.90
1980/06/28	5.24
1980/06/29	3.70
1980/06/30	3.10
1980/07/01	2.64
1980/07/02	2.40
1980/07/03	2.00
1980/07/04	1.46
1980/07/05	1.46
1980/07/06	1.64
1980/07/07	1.46
1980/07/08	1.40
1980/07/09	1.82
1980/07/10	2.48
1980/07/11	2.32
1980/07/12	2.16
1980/07/13	2.00
1980/07/14	2.32
1980/07/15	2.40
1980/07/16	2.08
1980/07/17	1.76
1980/07/18	1.58
1980/07/19	1.46
1980/07/20	2.32
1980/07/21	4.30
1980/07/22	9.30
1980/07/23	13.38
1980/07/24	8.46
1980/07/25	5.68
1980/07/26	8.46
1980/07/27	11.84
1980/07/28	15.90
1980/07/29	19.68
1980/07/30	26.80
1980/07/31	34.96
1980/08/01	24.80
1980/08/02	16.44
1980/08/03	8.60
1980/08/04	8.04
1980/08/05	5.90
1980/08/06	6.68
1980/08/07	5.24
1980/08/08	4.00
1980/08/09	4.91
1980/08/10	3.80
1980/08/11	3.50
1980/08/12	3.30
1980/08/13	3.20
1980/08/14	2.80
1980/08/15	2.56
1980/08/16	3.60
1980/08/17	4.30
1980/08/18	3.60
1980/08/19	7.07
1980/08/20	7.76
1980/08/21	5.79
1980/08/22	6.68
1980/08/23	7.20
1980/08/24	7.62
1980/08/25	11.84
1980/08/26	8.04
1980/08/27	5.57
1980/08/28	4.50
1980/08/29	4.20
1980/08/30	3.70
1980/08/31	3.90
1980/09/01	6.29
1980/09/02	5.35
1980/09/03	32.62
1980/09/04	23.30
1980/09/05	18.40
1980/09/06	16.80
1980/09/07	7.34
1980/09/08	8.88
1980/09/09	16.44
1980/09/10	12.69
1980/09/11	11.35
1980/09/12	19.68
1980/09/13	13.74
1980/09/14	7.48
1980/09/15	7.62
1980/09/16	13.38
1980/09/17	14.28
1980/09/18	16.26
1980/09/19	9.02
1980/09/20	5.79
1980/09/21	6.42
1980/09/22	5.35
1980/09/23	6.29
1980/09/24	6.03
1980/09/25	6.68
1980/09/26	4.50
1980/09/27	3.60
1980/09/28	2.56
1980/09/29	3.50
1980/09/30	2.90
1980/10/01	3.00
1980/10/02	3.60
1980/10/03	8.04
1980/10/04	6.55
1980/10/05	2.32
1980/10/06	8.32
1980/10/07	6.29
1980/10/08	6.81
1980/10/09	5.79
1980/10/10	4.80
1980/10/11	4.10
1980/10/12	8.32
1980/10/13	5.35
1980/10/14	4.10
1980/10/15	3.80
1980/10/16	9.58
1980/10/17	6.55
1980/10/18	7.20
1980/10/19	5.13
1980/10/20	16.08
1980/10/21	8.74
1980/10/22	5.68
1980/10/23	5.13
1980/10/24	4.40
1980/10/25	4.10
1980/10/26	3.70
1980/10/27	3.90
1980/10/28	3.40
1980/10/29	3.20
1980/10/30	3.10
1980/10/31	3.30
1980/11/01	3.10
1980/11/02	3.00
1980/11/03	3.40
1980/11/04	3.00
1980/11/05	3.00
1980/11/06	2.64
1980/11/07	2.80
1980/11/08	3.00
1980/11/09	4.70
1980/11/10	7.62
1980/11/11	4.30
1980/11/12	3.50
1980/11/13	4.30
1980/11/14	4.10
1980/11/15	3.90
1980/11/16	3.70
1980/11/17	3.60
1980/11/18	3.60
1980/11/19	3.60
1980/11/20	3.40
1980/11/21	3.50
1980/11/22	3.40
1980/11/23	3.40
1980/11/24	4.40
1980/11/25	4.70
1980/11/26	3.90
1980/11/27	3.60
1980/11/28	3.40
1980/11/29	3.30
1980/11/30	3.20
1980/12/01	3.10
1980/12/02	3.10
1980/12/03	3.10
1980/12/04	3.00
1980/12/05	2.90
1980/12/06	2.80
1980/12/07	2.72
1980/12/08	2.56
1980/12/09	2.56
1980/12/10	2.80
1980/12/11	3.00
1980/12/12	2.90
1980/12/13	6.81
1980/12/14	5.13
1980/12/15	3.90
1980/12/16	3.30
1980/12/17	3.00
1980/12/18	2.90
1980/12/19	2.80
1980/12/20	2.72
1980/12/21	2.56
1980/12/22	2.56
1980/12/23	2.40
1980/12/24	2.08
1980/12/25	2.24
1980/12/26	2.16
1980/12/27	2.08
1980/12/28	1.94
1980/12/29	1.64
1980/12/30	1.52
1980/12/31	1.35
#===========================================
# Number of observations = 275 / 366
# Average = 4.93