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	0.32
1980/04/02	0.32
1980/04/03	0.32
1980/04/04	0.32
1980/04/05	0.32
1980/04/06	0.32
1980/04/07	0.32
1980/04/08	0.32
1980/04/09	0.32
1980/04/10	0.32
1980/04/11	0.32
1980/04/12	0.32
1980/04/13	0.32
1980/04/14	0.32
1980/04/15	0.32
1980/04/16	0.32
1980/04/17	0.32
1980/04/18	0.32
1980/04/19	0.32
1980/04/20	0.32
1980/04/21	0.32
1980/04/22	0.32
1980/04/23	0.32
1980/04/24	0.32
1980/04/25	0.32
1980/04/26	0.32
1980/04/27	0.32
1980/04/28	0.32
1980/04/29	0.32
1980/04/30	0.32
1980/05/01	0.32
1980/05/02	0.32
1980/05/03	0.32
1980/05/04	0.32
1980/05/05	0.32
1980/05/06	0.32
1980/05/07	0.32
1980/05/08	0.32
1980/05/09	0.40
1980/05/10	1.19
1980/05/11	1.19
1980/05/12	3.85
1980/05/13	1.19
1980/05/14	0.66
1980/05/15	0.40
1980/05/16	0.40
1980/05/17	0.36
1980/05/18	0.40
1980/05/19	0.93
1980/05/20	0.66
1980/05/21	0.66
1980/05/22	0.66
1980/05/23	0.66
1980/05/24	0.66
1980/05/25	2.52
1980/05/26	1.73
1980/05/27	11.30
1980/05/28	3.05
1980/05/29	1.73
1980/05/30	1.19
1980/05/31	1.19
1980/06/01	0.93
1980/06/02	8.50
1980/06/03	4.37
1980/06/04	4.91
1980/06/05	4.11
1980/06/06	2.26
1980/06/07	1.99
1980/06/08	1.73
1980/06/09	1.73
1980/06/10	1.73
1980/06/11	1.99
1980/06/12	1.99
1980/06/13	3.58
1980/06/14	5.44
1980/06/15	4.91
1980/06/16	11.30
1980/06/17	12.90
1980/06/18	5.44
1980/06/19	4.64
1980/06/20	4.11
1980/06/21	3.85
1980/06/22	3.32
1980/06/23	3.58
1980/06/24	6.10
1980/06/25	5.70
1980/06/26	28.38
1980/06/27	27.13
1980/06/28	19.36
1980/06/29	12.10
1980/06/30	10.50
1980/07/01	9.30
1980/07/02	7.70
1980/07/03	6.50
1980/07/04	5.70
1980/07/05	7.70
1980/07/06	5.70
1980/07/07	5.70
1980/07/08	5.44
1980/07/09	5.44
1980/07/10	5.44
1980/07/11	6.10
1980/07/12	5.70
1980/07/13	5.44
1980/07/14	5.44
1980/07/15	8.10
1980/07/16	9.70
1980/07/17	7.70
1980/07/18	8.90
1980/07/19	167.40
1980/07/20	35.88
1980/07/21	29.00
1980/07/22	33.37
1980/07/23	24.00
1980/07/24	148.35
1980/07/25	41.09
1980/07/26	27.75
1980/07/27	109.40
1980/07/28	71.00
1980/07/29	30.87
1980/07/30	30.87
1980/07/31	27.13
1980/08/01	22.97
1980/08/02	21.43
1980/08/03	20.40
1980/08/04	18.33
1980/08/05	16.79
1980/08/06	22.46
1980/08/07	21.43
1980/08/08	20.91
1980/08/09	20.40
1980/08/10	15.24
1980/08/11	14.21
1980/08/12	12.90
1980/08/13	12.10
1980/08/14	11.30
1980/08/15	10.10
1980/08/16	12.50
1980/08/17	11.30
1980/08/18	14.21
1980/08/19	16.79
1980/08/20	14.73
1980/08/21	19.36
1980/08/22	17.82
1980/08/23	16.79
1980/08/24	23.48
1980/08/25	25.25
1980/08/26	22.46
1980/08/27	29.62
1980/08/28	18.85
1980/08/29	21.94
1980/08/30	16.79
1980/08/31	16.79
1980/09/01	23.48
1980/09/02	30.25
1980/09/03	27.75
1980/09/04	57.56
1980/09/05	38.03
1980/09/06	31.50
1980/09/07	24.00
1980/09/08	25.87
1980/09/09	21.43
1980/09/10	20.91
1980/09/11	18.85
1980/09/12	17.82
1980/09/13	46.45
1980/09/14	60.44
1980/09/15	34.63
1980/09/16	26.50
1980/09/17	21.94
1980/09/18	19.36
1980/09/19	16.79
1980/09/20	15.24
1980/09/21	14.73
1980/09/22	13.70
1980/09/23	13.30
1980/09/24	13.30
1980/09/25	13.30
1980/09/26	11.70
1980/09/27	11.70
1980/09/28	11.30
1980/09/29	10.90
1980/09/30	9.70
1980/10/01	9.70
1980/10/02	9.70
1980/10/03	9.30
1980/10/04	8.90
1980/10/05	8.90
1980/10/06	8.50
1980/10/07	8.10
1980/10/08	8.10
1980/10/09	8.10
1980/10/10	8.10
1980/10/11	8.10
1980/10/12	7.70
1980/10/13	7.70
1980/10/14	7.30
1980/10/15	6.50
1980/10/16	6.50
1980/10/17	6.50
1980/10/18	5.70
1980/10/19	7.30
1980/10/20	6.50
1980/10/21	6.50
1980/10/22	6.10
1980/10/23	6.10
1980/10/24	5.70
1980/10/25	5.70
1980/10/26	5.70
1980/10/27	5.70
1980/10/28	5.70
1980/10/29	5.44
1980/10/30	5.44
1980/10/31	5.44
1980/11/01	5.44
1980/11/02	5.44
1980/11/03	5.44
1980/11/04	5.17
1980/11/05	5.17
1980/11/06	5.17
1980/11/07	4.91
1980/11/08	4.91
1980/11/09	4.91
1980/11/10	4.91
1980/11/11	4.91
1980/11/12	4.91
1980/11/13	4.91
1980/11/14	4.91
1980/11/15	4.91
1980/11/16	4.91
1980/11/17	4.91
1980/11/18	4.91
1980/11/19	4.91
1980/11/20	4.91
1980/11/21	4.91
1980/11/22	4.91
1980/11/23	4.91
1980/11/24	4.91
1980/11/25	4.64
1980/11/26	4.64
1980/11/27	4.64
1980/11/28	4.37
1980/11/29	4.37
1980/11/30	4.37
1980/12/01	4.37
1980/12/02	4.37
1980/12/03	4.37
1980/12/04	4.11
1980/12/05	4.11
1980/12/06	4.11
1980/12/07	4.11
1980/12/08	3.85
1980/12/09	3.85
1980/12/10	3.85
1980/12/11	3.85
1980/12/12	3.85
1980/12/13	3.85
1980/12/14	3.85
1980/12/15	3.85
1980/12/16	3.85
1980/12/17	3.85
1980/12/18	3.85
1980/12/19	3.58
1980/12/20	3.58
1980/12/21	3.58
1980/12/22	3.58
1980/12/23	3.58
1980/12/24	3.32
1980/12/25	3.32
1980/12/26	3.32
1980/12/27	3.05
1980/12/28	3.05
1980/12/29	3.05
1980/12/30	3.05
1980/12/31	3.05
#===========================================
# Number of observations = 275 / 366
# Average = 10.55