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	1.70
1980/04/02	1.88
1980/04/03	2.60
1980/04/04	2.24
1980/04/05	2.06
1980/04/06	2.24
1980/04/07	1.88
1980/04/08	2.24
1980/04/09	2.42
1980/04/10	1.88
1980/04/11	1.88
1980/04/12	1.88
1980/04/13	1.70
1980/04/14	1.70
1980/04/15	1.70
1980/04/16	2.82
1980/04/17	3.26
1980/04/18	3.70
1980/04/19	2.24
1980/04/20	2.42
1980/04/21	1.88
1980/04/22	1.70
1980/04/23	1.70
1980/04/24	1.52
1980/04/25	1.52
1980/04/26	1.16
1980/04/27	1.16
1980/04/28	1.70
1980/04/29	1.52
1980/04/30	1.88
1980/05/01	1.34
1980/05/02	1.52
1980/05/03	1.70
1980/05/04	1.70
1980/05/05	2.06
1980/05/06	2.06
1980/05/07	1.70
1980/05/08	1.70
1980/05/09	1.52
1980/05/10	1.34
1980/05/11	0.80
1980/05/12	0.64
1980/05/13	0.64
1980/05/14	0.48
1980/05/15	0.32
1980/05/16	0.32
1980/05/17	0.16
1980/05/18	0.16
1980/05/19	0.32
1980/05/20	4.14
1980/05/21	3.92
1980/05/22	3.26
1980/05/23	3.70
1980/05/24	8.35
1980/05/25	11.84
1980/05/26	7.10
1980/05/27	7.60
1980/05/28	7.85
1980/05/29	5.49
1980/05/30	4.80
1980/05/31	3.48
1980/06/01	2.60
1980/06/02	2.42
1980/06/03	22.04
1980/06/04	13.04
1980/06/05	7.85
1980/06/06	7.35
1980/06/07	5.26
1980/06/08	4.14
1980/06/09	3.70
1980/06/10	3.26
1980/06/11	2.24
1980/06/12	1.70
1980/06/13	3.04
1980/06/14	2.60
1980/06/15	3.70
1980/06/16	6.87
1980/06/17	9.35
1980/06/18	10.72
1980/06/19	5.03
1980/06/20	5.26
1980/06/21	7.10
1980/06/22	10.72
1980/06/23	11.84
1980/06/24	7.35
1980/06/25	7.60
1980/06/26	5.95
1980/06/27	6.64
1980/06/28	5.26
1980/06/29	3.70
1980/06/30	3.04
1980/07/01	2.60
1980/07/02	2.06
1980/07/03	1.70
1980/07/04	1.34
1980/07/05	1.16
1980/07/06	1.16
1980/07/07	0.98
1980/07/08	0.98
1980/07/09	1.16
1980/07/10	0.80
1980/07/11	0.80
1980/07/12	0.64
1980/07/13	0.64
1980/07/14	0.80
1980/07/15	1.34
1980/07/16	2.60
1980/07/17	2.24
1980/07/18	2.06
1980/07/19	2.60
1980/07/20	3.26
1980/07/21	14.00
1980/07/22	16.28
1980/07/23	17.98
1980/07/24	9.35
1980/07/25	14.00
1980/07/26	17.30
1980/07/27	16.96
1980/07/28	11.84
1980/07/29	12.12
1980/07/30	12.12
1980/07/31	12.40
1980/08/01	13.68
1980/08/02	8.60
1980/08/03	6.18
1980/08/04	4.36
1980/08/05	3.70
1980/08/06	3.26
1980/08/07	3.26
1980/08/08	2.82
1980/08/09	2.42
1980/08/10	2.42
1980/08/11	2.24
1980/08/12	1.70
1980/08/13	1.70
1980/08/14	1.88
1980/08/15	2.42
1980/08/16	3.48
1980/08/17	5.26
1980/08/18	3.92
1980/08/19	4.58
1980/08/20	7.85
1980/08/21	8.60
1980/08/22	6.87
1980/08/23	5.49
1980/08/24	6.87
1980/08/25	9.60
1980/08/26	8.60
1980/08/27	6.41
1980/08/28	5.03
1980/08/29	3.92
1980/08/30	5.26
1980/08/31	18.66
1980/09/01	31.66
1980/09/02	17.64
1980/09/03	16.62
1980/09/04	13.04
1980/09/05	12.12
1980/09/06	9.60
1980/09/07	8.85
1980/09/08	13.36
1980/09/09	13.36
1980/09/10	20.52
1980/09/11	19.76
1980/09/12	15.28
1980/09/13	11.28
1980/09/14	8.85
1980/09/15	11.84
1980/09/16	18.66
1980/09/17	11.84
1980/09/18	10.16
1980/09/19	11.00
1980/09/20	9.10
1980/09/21	10.16
1980/09/22	8.85
1980/09/23	10.44
1980/09/24	8.10
1980/09/25	6.41
1980/09/26	5.72
1980/09/27	5.95
1980/09/28	5.49
1980/09/29	7.85
1980/09/30	6.64
1980/10/01	5.72
1980/10/02	5.72
1980/10/03	5.95
1980/10/04	7.85
1980/10/05	5.95
1980/10/06	5.72
1980/10/07	4.80
1980/10/08	5.26
1980/10/09	5.72
1980/10/10	5.03
1980/10/11	4.80
1980/10/12	5.26
1980/10/13	5.72
1980/10/14	6.41
1980/10/15	6.18
1980/10/16	7.35
1980/10/17	8.35
1980/10/18	6.87
1980/10/19	6.64
1980/10/20	8.10
1980/10/21	8.35
1980/10/22	8.10
1980/10/23	7.10
1980/10/24	6.18
1980/10/25	5.95
1980/10/26	5.49
1980/10/27	5.03
1980/10/28	4.80
1980/10/29	4.36
1980/10/30	4.58
1980/10/31	5.03
1980/11/01	4.80
1980/11/02	4.36
1980/11/03	4.80
1980/11/04	4.36
1980/11/05	3.92
1980/11/06	3.92
1980/11/07	4.36
1980/11/08	4.14
1980/11/09	11.28
1980/11/10	7.60
1980/11/11	5.72
1980/11/12	4.80
1980/11/13	5.03
1980/11/14	4.14
1980/11/15	3.92
1980/11/16	3.70
1980/11/17	3.70
1980/11/18	3.48
1980/11/19	3.70
1980/11/20	3.48
1980/11/21	3.70
1980/11/22	3.70
1980/11/23	3.70
1980/11/24	3.26
1980/11/25	3.70
1980/11/26	3.48
1980/11/27	5.72
1980/11/28	5.95
1980/11/29	4.14
1980/11/30	3.70
1980/12/01	3.70
1980/12/02	3.70
1980/12/03	3.70
1980/12/04	3.26
1980/12/05	2.82
1980/12/06	3.04
1980/12/07	2.60
1980/12/08	2.82
1980/12/09	2.60
1980/12/10	2.60
1980/12/11	2.60
1980/12/12	2.60
1980/12/13	14.32
1980/12/14	8.85
1980/12/15	5.72
1980/12/16	5.26
1980/12/17	4.36
1980/12/18	3.92
1980/12/19	3.48
1980/12/20	3.26
1980/12/21	2.82
1980/12/22	2.60
1980/12/23	2.60
1980/12/24	2.42
1980/12/25	2.60
1980/12/26	2.42
1980/12/27	2.42
1980/12/28	2.24
1980/12/29	2.24
1980/12/30	2.42
1980/12/31	2.42
#===========================================
# Number of observations = 275 / 366
# Average = 5.44