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	0.28
1980/04/02	0.28
1980/04/03	0.31
1980/04/04	0.37
1980/04/05	0.37
1980/04/06	0.40
1980/04/07	0.31
1980/04/08	0.31
1980/04/09	0.40
1980/04/10	0.92
1980/04/11	0.40
1980/04/12	0.40
1980/04/13	0.37
1980/04/14	0.37
1980/04/15	0.37
1980/04/16	0.34
1980/04/17	0.34
1980/04/18	0.34
1980/04/19	0.34
1980/04/20	0.31
1980/04/21	0.28
1980/04/22	0.28
1980/04/23	0.25
1980/04/24	0.25
1980/04/25	0.25
1980/04/26	0.25
1980/04/27	0.25
1980/04/28	0.28
1980/04/29	0.28
1980/04/30	0.28
1980/05/01	0.28
1980/05/02	0.31
1980/05/03	0.31
1980/05/04	0.31
1980/05/05	0.31
1980/05/06	0.31
1980/05/07	0.31
1980/05/08	0.31
1980/05/09	0.31
1980/05/10	0.31
1980/05/11	0.31
1980/05/12	0.31
1980/05/13	0.28
1980/05/14	0.34
1980/05/15	0.34
1980/05/16	0.31
1980/05/17	0.28
1980/05/18	0.28
1980/05/19	0.34
1980/05/20	0.34
1980/05/21	0.40
1980/05/22	0.40
1980/05/23	0.40
1980/05/24	5.52
1980/05/25	5.52
1980/05/26	3.00
1980/05/27	3.00
1980/05/28	3.28
1980/05/29	2.48
1980/05/30	2.22
1980/05/31	1.96
1980/06/01	1.44
1980/06/02	1.18
1980/06/03	14.20
1980/06/04	8.36
1980/06/05	2.74
1980/06/06	7.72
1980/06/07	4.96
1980/06/08	3.28
1980/06/09	1.96
1980/06/10	0.92
1980/06/11	0.40
1980/06/12	1.96
1980/06/13	5.24
1980/06/14	6.76
1980/06/15	4.68
1980/06/16	4.40
1980/06/17	7.40
1980/06/18	7.40
1980/06/19	4.40
1980/06/20	5.80
1980/06/21	21.00
1980/06/22	24.75
1980/06/23	18.50
1980/06/24	12.60
1980/06/25	14.20
1980/06/26	8.68
1980/06/27	8.68
1980/06/28	6.76
1980/06/29	4.96
1980/06/30	3.84
1980/07/01	3.00
1980/07/02	3.28
1980/07/03	3.28
1980/07/04	1.18
1980/07/05	0.40
1980/07/06	0.40
1980/07/07	0.40
1980/07/08	0.34
1980/07/09	0.37
1980/07/10	0.37
1980/07/11	0.34
1980/07/12	0.34
1980/07/13	0.31
1980/07/14	0.31
1980/07/15	0.31
1980/07/16	0.31
1980/07/17	0.31
1980/07/18	0.31
1980/07/19	0.34
1980/07/20	0.66
1980/07/21	7.40
1980/07/22	5.80
1980/07/23	4.68
1980/07/24	7.40
1980/07/25	12.20
1980/07/26	36.75
1980/07/27	22.55
1980/07/28	18.00
1980/07/29	17.00
1980/07/30	13.40
1980/07/31	10.60
1980/08/01	9.40
1980/08/02	8.04
1980/08/03	5.24
1980/08/04	4.40
1980/08/05	3.56
1980/08/06	3.56
1980/08/07	4.12
1980/08/08	4.40
1980/08/09	4.68
1980/08/10	5.24
1980/08/11	4.40
1980/08/12	3.56
1980/08/13	3.84
1980/08/14	4.12
1980/08/15	4.12
1980/08/16	6.76
1980/08/17	7.08
1980/08/18	7.08
1980/08/19	7.08
1980/08/20	12.20
1980/08/21	12.60
1980/08/22	8.04
1980/08/23	6.44
1980/08/24	9.40
1980/08/25	13.40
1980/08/26	9.00
1980/08/27	8.36
1980/08/28	8.68
1980/08/29	8.68
1980/08/30	17.50
1980/08/31	26.95
1980/09/01	98.32
1980/09/02	51.40
1980/09/03	22.00
1980/09/04	14.20
1980/09/05	10.60
1980/09/06	9.40
1980/09/07	14.60
1980/09/08	26.40
1980/09/09	16.20
1980/09/10	13.00
1980/09/11	13.40
1980/09/12	14.60
1980/09/13	12.20
1980/09/14	10.20
1980/09/15	14.60
1980/09/16	21.00
1980/09/17	17.50
1980/09/18	15.00
1980/09/19	11.40
1980/09/20	9.00
1980/09/21	9.40
1980/09/22	8.04
1980/09/23	9.00
1980/09/24	8.04
1980/09/25	7.72
1980/09/26	5.52
1980/09/27	8.04
1980/09/28	7.08
1980/09/29	7.72
1980/09/30	5.80
1980/10/01	4.12
1980/10/02	3.56
1980/10/03	3.28
1980/10/04	3.00
1980/10/05	3.84
1980/10/06	4.68
1980/10/07	4.68
1980/10/08	3.56
1980/10/09	3.56
1980/10/10	4.12
1980/10/11	4.40
1980/10/12	4.68
1980/10/13	4.68
1980/10/14	4.68
1980/10/15	4.68
1980/10/16	4.68
1980/10/17	5.52
1980/10/18	4.40
1980/10/19	3.00
1980/10/20	3.28
1980/10/21	3.84
1980/10/22	3.56
1980/10/23	1.96
1980/10/24	1.96
1980/10/25	1.44
1980/10/26	1.18
1980/10/27	1.18
1980/10/28	0.92
1980/10/29	0.40
1980/10/30	0.34
1980/10/31	0.40
1980/11/01	0.40
1980/11/02	0.34
1980/11/03	0.34
1980/11/04	0.34
1980/11/05	0.31
1980/11/06	0.28
1980/11/07	0.25
1980/11/08	0.28
1980/11/09	0.28
1980/11/10	0.28
1980/11/11	0.25
1980/11/12	0.22
1980/11/13	0.13
1980/11/14	0.10
1980/11/15	0.10
1980/11/16	0.10
1980/11/17	0.10
1980/11/18	0.10
1980/11/19	0.10
1980/11/20	0.09
1980/11/21	0.09
1980/11/22	0.09
1980/11/23	0.09
1980/11/24	0.09
1980/11/25	0.09
1980/11/26	0.09
1980/11/27	0.09
1980/11/28	0.09
1980/11/29	0.09
1980/11/30	0.09
1980/12/01	0.09
1980/12/02	0.09
1980/12/03	0.09
1980/12/04	0.09
1980/12/05	0.09
1980/12/06	0.09
1980/12/07	0.09
1980/12/08	0.09
1980/12/09	0.09
1980/12/10	0.09
1980/12/11	0.09
1980/12/12	0.10
1980/12/13	1.18
1980/12/14	1.70
1980/12/15	0.34
1980/12/16	0.28
1980/12/17	0.13
1980/12/18	0.10
1980/12/19	0.10
1980/12/20	0.09
1980/12/21	0.09
1980/12/22	0.08
1980/12/23	0.07
1980/12/24	0.07
1980/12/25	0.07
1980/12/26	0.07
1980/12/27	0.07
1980/12/28	0.06
1980/12/29	0.06
1980/12/30	0.05
1980/12/31	0.06
#===========================================
# Number of observations = 275 / 366
# Average = 4.65