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	0.63
1980/04/02	3.05
1980/04/03	2.15
1980/04/04	1.48
1980/04/05	1.09
1980/04/06	0.96
1980/04/07	0.96
1980/04/08	0.83
1980/04/09	0.83
1980/04/10	0.63
1980/04/11	0.56
1980/04/12	0.56
1980/04/13	0.56
1980/04/14	0.83
1980/04/15	1.35
1980/04/16	1.61
1980/04/17	1.35
1980/04/18	0.96
1980/04/19	0.70
1980/04/20	0.56
1980/04/21	0.63
1980/04/22	0.63
1980/04/23	0.56
1980/04/24	0.56
1980/04/25	0.56
1980/04/26	0.70
1980/04/27	1.09
1980/04/28	0.70
1980/04/29	0.56
1980/04/30	0.56
1980/05/01	0.49
1980/05/02	0.56
1980/05/03	0.63
1980/05/04	0.70
1980/05/05	0.70
1980/05/06	0.70
1980/05/07	0.63
1980/05/08	0.56
1980/05/09	0.56
1980/05/10	0.63
1980/05/11	0.56
1980/05/12	0.63
1980/05/13	0.83
1980/05/14	0.56
1980/05/15	0.63
1980/05/16	1.09
1980/05/17	1.74
1980/05/18	1.09
1980/05/19	0.56
1980/05/20	1.35
1980/05/21	1.61
1980/05/22	2.00
1980/05/23	1.61
1980/05/24	1.48
1980/05/25	1.35
1980/05/26	0.96
1980/05/27	2.45
1980/05/28	2.00
1980/05/29	1.35
1980/05/30	0.96
1980/05/31	0.63
1980/06/01	0.83
1980/06/02	0.63
1980/06/03	0.56
1980/06/04	0.56
1980/06/05	0.63
1980/06/06	1.09
1980/06/07	0.83
1980/06/08	0.83
1980/06/09	1.09
1980/06/10	1.09
1980/06/11	1.35
1980/06/12	2.60
1980/06/13	2.15
1980/06/14	1.87
1980/06/15	1.61
1980/06/16	2.15
1980/06/17	9.16
1980/06/18	4.94
1980/06/19	2.90
1980/06/20	8.90
1980/06/21	6.68
1980/06/22	4.94
1980/06/23	4.94
1980/06/24	3.86
1980/06/25	2.75
1980/06/26	2.60
1980/06/27	5.12
1980/06/28	4.22
1980/06/29	3.05
1980/06/30	2.60
1980/07/01	2.15
1980/07/02	1.87
1980/07/03	1.61
1980/07/04	1.48
1980/07/05	1.35
1980/07/06	1.61
1980/07/07	1.61
1980/07/08	1.61
1980/07/09	1.61
1980/07/10	1.61
1980/07/11	1.61
1980/07/12	1.74
1980/07/13	2.30
1980/07/14	2.45
1980/07/15	3.50
1980/07/16	2.90
1980/07/17	2.60
1980/07/18	2.45
1980/07/19	2.75
1980/07/20	4.22
1980/07/21	5.12
1980/07/22	6.91
1980/07/23	5.53
1980/07/24	4.40
1980/07/25	4.58
1980/07/26	8.12
1980/07/27	26.86
1980/07/28	17.76
1980/07/29	16.74
1980/07/30	19.12
1980/07/31	10.48
1980/08/01	20.54
1980/08/02	15.38
1980/08/03	10.20
1980/08/04	4.76
1980/08/05	4.94
1980/08/06	3.50
1980/08/07	3.05
1980/08/08	2.75
1980/08/09	2.75
1980/08/10	3.86
1980/08/11	4.22
1980/08/12	4.94
1980/08/13	5.30
1980/08/14	4.94
1980/08/15	4.22
1980/08/16	4.40
1980/08/17	4.94
1980/08/18	4.94
1980/08/19	4.76
1980/08/20	5.30
1980/08/21	8.38
1980/08/22	6.68
1980/08/23	5.76
1980/08/24	7.60
1980/08/25	10.48
1980/08/26	7.86
1980/08/27	6.22
1980/08/28	5.12
1980/08/29	4.94
1980/08/30	5.30
1980/08/31	14.36
1980/09/01	32.90
1980/09/02	122.50
1980/09/03	174.25
1980/09/04	164.80
1980/09/05	142.50
1980/09/06	108.60
1980/09/07	117.30
1980/09/08	90.50
1980/09/09	64.92
1980/09/10	102.08
1980/09/11	85.30
1980/09/12	87.90
1980/09/13	114.40
1980/09/14	57.58
1980/09/15	38.60
1980/09/16	34.10
1980/09/17	120.92
1980/09/18	95.70
1980/09/19	53.87
1980/09/20	23.22
1980/09/21	18.67
1980/09/22	17.02
1980/09/23	17.02
1980/09/24	16.36
1980/09/25	12.50
1980/09/26	10.75
1980/09/27	15.38
1980/09/28	15.38
1980/09/29	12.00
1980/09/30	11.50
1980/10/01	11.50
1980/10/02	12.82
1980/10/03	16.03
1980/10/04	15.70
1980/10/05	14.10
1980/10/06	12.50
1980/10/07	11.50
1980/10/08	11.50
1980/10/09	9.50
1980/10/10	7.75
1980/10/11	7.75
1980/10/12	7.06
1980/10/13	8.25
1980/10/14	8.50
1980/10/15	7.28
1980/10/16	8.50
1980/10/17	9.00
1980/10/18	8.00
1980/10/19	8.25
1980/10/20	10.25
1980/10/21	9.25
1980/10/22	8.25
1980/10/23	7.75
1980/10/24	7.06
1980/10/25	7.28
1980/10/26	13.46
1980/10/27	19.77
1980/10/28	18.01
1980/10/29	12.00
1980/10/30	10.00
1980/10/31	9.75
1980/11/01	8.75
1980/11/02	8.50
1980/11/03	8.00
1980/11/04	8.25
1980/11/05	7.50
1980/11/06	7.06
1980/11/07	7.75
1980/11/08	5.52
1980/11/09	6.40
1980/11/10	6.40
1980/11/11	6.40
1980/11/12	4.90
1980/11/13	6.84
1980/11/14	12.50
1980/11/15	9.50
1980/11/16	8.25
1980/11/17	9.50
1980/11/18	7.28
1980/11/19	5.30
1980/11/20	5.96
1980/11/21	4.90
1980/11/22	8.25
1980/11/23	17.35
1980/11/24	13.14
1980/11/25	5.30
1980/11/26	3.90
1980/11/27	2.88
1980/11/28	2.60
1980/11/29	3.16
1980/11/30	2.88
1980/12/01	2.88
1980/12/02	2.88
1980/12/03	2.88
1980/12/04	2.74
1980/12/05	2.46
1980/12/06	2.18
1980/12/07	2.32
1980/12/08	2.46
1980/12/09	2.32
1980/12/10	2.32
1980/12/11	2.60
1980/12/12	2.18
1980/12/13	2.60
1980/12/14	9.50
1980/12/15	17.68
1980/12/16	11.25
1980/12/17	5.74
1980/12/18	4.10
1980/12/19	5.74
1980/12/20	5.96
1980/12/21	5.96
1980/12/22	4.30
1980/12/23	3.30
1980/12/24	3.70
1980/12/25	6.18
1980/12/26	6.40
1980/12/27	5.30
1980/12/28	4.30
1980/12/29	4.50
1980/12/30	4.30
1980/12/31	3.90
#===========================================
# Number of observations = 275 / 366
# Average = 11.58