1981/01/01	0.64
1981/01/02	0.64
1981/01/03	0
1981/01/04	0
1981/01/05	0
1981/01/06	0
1981/01/07	0
1981/01/08	0
1981/01/09	0
1981/01/10	0
1981/01/11	0
1981/01/12	0
1981/01/13	0
1981/01/14	0
1981/01/15	0
1981/01/16	0
1981/01/17	0
1981/01/18	0
1981/01/19	0
1981/01/20	0
1981/01/21	0
1981/01/22	0
1981/01/23	0
1981/01/24	0
1981/01/25	0
1981/01/26	0
1981/01/27	0
1981/01/28	0
1981/01/29	0
1981/01/30	0
1981/01/31	0
1981/02/01	0
1981/02/02	0
1981/02/03	0
1981/02/04	0
1981/02/05	0
1981/02/06	0
1981/02/07	0
1981/02/08	0
1981/02/09	0
1981/02/10	0
1981/02/11	0
1981/02/12	0
1981/02/13	0
1981/02/14	0
1981/02/15	0
1981/02/16	0
1981/02/17	0
1981/02/18	0
1981/02/19	0
1981/02/20	0
1981/02/21	0
1981/02/22	0
1981/02/23	0
1981/02/24	0
1981/02/25	0
1981/02/26	0
1981/02/27	0
1981/02/28	0
1981/03/01	0
1981/03/02	0
1981/03/03	0
1981/03/04	0
1981/03/05	0
1981/03/06	0
1981/03/07	0
1981/03/08	0
1981/03/09	0
1981/03/10	0
1981/03/11	0
1981/03/12	0
1981/03/13	0
1981/03/14	0
1981/03/15	0
1981/03/16	0
1981/03/17	0
1981/03/18	0
1981/03/19	0
1981/03/20	0
1981/03/21	0
1981/03/22	0
1981/03/23	0
1981/03/24	0
1981/03/25	0
1981/03/26	0
1981/03/27	0
1981/03/28	0
1981/03/29	0
1981/03/30	0
1981/03/31	0
1981/04/01	-9999
1981/04/02	-9999
1981/04/03	-9999
1981/04/04	-9999
1981/04/05	-9999
1981/04/06	-9999
1981/04/07	-9999
1981/04/08	-9999
1981/04/09	-9999
1981/04/10	-9999
1981/04/11	-9999
1981/04/12	-9999
1981/04/13	4.77
1981/04/14	2.36
1981/04/15	1.90
1981/04/16	1.65
1981/04/17	1.00
1981/04/18	1.25
1981/04/19	1.35
1981/04/20	1.25
1981/04/21	6.92
1981/04/22	3.72
1981/04/23	1.75
1981/04/24	1.55
1981/04/25	1.35
1981/04/26	1.30
1981/04/27	1.20
1981/04/28	1.15
1981/04/29	1.05
1981/04/30	1.00
1981/05/01	1.80
1981/05/02	1.55
1981/05/03	3.23
1981/05/04	6.28
1981/05/05	1.70
1981/05/06	8.98
1981/05/07	2.36
1981/05/08	6.28
1981/05/09	2.00
1981/05/10	1.65
1981/05/11	1.45
1981/05/12	1.40
1981/05/13	1.30
1981/05/14	1.25
1981/05/15	1.20
1981/05/16	1.20
1981/05/17	1.20
1981/05/18	1.45
1981/05/19	1.60
1981/05/20	3.72
1981/05/21	1.30
1981/05/22	1.25
1981/05/23	1.20
1981/05/24	3.02
1981/05/25	2.48
1981/05/26	1.65
1981/05/27	1.40
1981/05/28	1.25
1981/05/29	1.20
1981/05/30	1.15
1981/05/31	2.18
1981/06/01	2.81
1981/06/02	1.85
1981/06/03	1.65
1981/06/04	1.85
1981/06/05	1.55
1981/06/06	1.40
1981/06/07	1.40
1981/06/08	1.30
1981/06/09	1.30
1981/06/10	1.30
1981/06/11	1.35
1981/06/12	1.25
1981/06/13	1.20
1981/06/14	1.20
1981/06/15	1.35
1981/06/16	1.40
1981/06/17	1.35
1981/06/18	1.25
1981/06/19	1.35
1981/06/20	1.25
1981/06/21	8.98
1981/06/22	1.85
1981/06/23	3.93
1981/06/24	2.88
1981/06/25	2.36
1981/06/26	1.80
1981/06/27	1.65
1981/06/28	1.60
1981/06/29	1.50
1981/06/30	1.45
1981/07/01	1.40
1981/07/02	1.45
1981/07/03	1.65
1981/07/04	1.50
1981/07/05	1.60
1981/07/06	1.60
1981/07/07	2.06
1981/07/08	1.80
1981/07/09	2.24
1981/07/10	2.67
1981/07/11	2.06
1981/07/12	1.90
1981/07/13	1.65
1981/07/14	1.55
1981/07/15	1.40
1981/07/16	3.79
1981/07/17	3.23
1981/07/18	2.06
1981/07/19	5.72
1981/07/20	38.07
1981/07/21	92.20
1981/07/22	22.06
1981/07/23	8.62
1981/07/24	4.70
1981/07/25	3.58
1981/07/26	2.74
1981/07/27	2.42
1981/07/28	2.24
1981/07/29	2.24
1981/07/30	3.51
1981/07/31	3.51
1981/08/01	3.51
1981/08/02	2.95
1981/08/03	2.36
1981/08/04	4.14
1981/08/05	46.42
1981/08/06	28.60
1981/08/07	26.64
1981/08/08	9.16
1981/08/09	8.53
1981/08/10	12.25
1981/08/11	11.74
1981/08/12	6.44
1981/08/13	5.64
1981/08/14	3.93
1981/08/15	4.91
1981/08/16	3.23
1981/08/17	2.81
1981/08/18	2.60
1981/08/19	2.42
1981/08/20	2.30
1981/08/21	2.18
1981/08/22	2.06
1981/08/23	2.00
1981/08/24	1.95
1981/08/25	3.16
1981/08/26	2.54
1981/08/27	6.60
1981/08/28	2.30
1981/08/29	2.06
1981/08/30	1.90
1981/08/31	6.44
1981/09/01	3.72
1981/09/02	2.36
1981/09/03	4.00
1981/09/04	2.60
1981/09/05	2.95
1981/09/06	2.36
1981/09/07	2.12
1981/09/08	2.06
1981/09/09	2.60
1981/09/10	2.60
1981/09/11	2.12
1981/09/12	3.79
1981/09/13	2.36
1981/09/14	2.74
1981/09/15	21.08
1981/09/16	4.70
1981/09/17	2.81
1981/09/18	2.42
1981/09/19	2.36
1981/09/20	2.48
1981/09/21	2.30
1981/09/22	2.12
1981/09/23	2.67
1981/09/24	32.70
1981/09/25	10.52
1981/09/26	4.84
1981/09/27	4.77
1981/09/28	4.14
1981/09/29	3.72
1981/09/30	2.74
1981/10/01	2.48
1981/10/02	7.36
1981/10/03	4.77
1981/10/04	4.63
1981/10/05	19.52
1981/10/06	17.00
1981/10/07	6.44
1981/10/08	4.56
1981/10/09	3.51
1981/10/10	3.23
1981/10/11	2.67
1981/10/12	2.48
1981/10/13	2.36
1981/10/14	2.24
1981/10/15	2.12
1981/10/16	3.23
1981/10/17	6.76
1981/10/18	4.28
1981/10/19	2.95
1981/10/20	2.60
1981/10/21	2.30
1981/10/22	2.12
1981/10/23	2.12
1981/10/24	1.95
1981/10/25	1.80
1981/10/26	1.75
1981/10/27	1.75
1981/10/28	1.70
1981/10/29	1.65
1981/10/30	1.60
1981/10/31	1.60
1981/11/01	1.60
1981/11/02	1.60
1981/11/03	2.00
1981/11/04	44.80
1981/11/05	4.56
1981/11/06	2.81
1981/11/07	9.25
1981/11/08	4.56
1981/11/09	2.74
1981/11/10	2.36
1981/11/11	2.12
1981/11/12	1.95
1981/11/13	1.90
1981/11/14	1.80
1981/11/15	1.80
1981/11/16	1.75
1981/11/17	1.80
1981/11/18	1.85
1981/11/19	1.80
1981/11/20	1.75
1981/11/21	1.70
1981/11/22	1.65
1981/11/23	1.60
1981/11/24	1.55
1981/11/25	1.50
1981/11/26	1.45
1981/11/27	1.40
1981/11/28	1.50
1981/11/29	1.45
1981/11/30	1.40
1981/12/01	1.35
1981/12/02	1.35
1981/12/03	1.30
1981/12/04	1.30
1981/12/05	1.30
1981/12/06	1.30
1981/12/07	1.30
1981/12/08	1.25
1981/12/09	1.25
1981/12/10	1.25
1981/12/11	1.20
1981/12/12	1.20
1981/12/13	1.20
1981/12/14	1.20
1981/12/15	1.15
1981/12/16	1.15
1981/12/17	1.10
1981/12/18	1.10
1981/12/19	1.10
1981/12/20	1.10
1981/12/21	1.10
1981/12/22	1.10
1981/12/23	1.10
1981/12/24	1.10
1981/12/25	1.05
1981/12/26	1.05
1981/12/27	1.05
1981/12/28	1.05
1981/12/29	1.05
1981/12/30	1.05
1981/12/31	1.05
#===========================================
# Number of observations = 353 / 365
# Average = 2.92