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	0.06
1980/04/02	0.06
1980/04/03	0.07
1980/04/04	0.08
1980/04/05	0.08
1980/04/06	0.06
1980/04/07	0.06
1980/04/08	0.06
1980/04/09	0.06
1980/04/10	0.06
1980/04/11	0.06
1980/04/12	0.05
1980/04/13	0.05
1980/04/14	0.05
1980/04/15	0.06
1980/04/16	0.15
1980/04/17	0.09
1980/04/18	0.08
1980/04/19	0.08
1980/04/20	0.07
1980/04/21	0.06
1980/04/22	0.05
1980/04/23	0.05
1980/04/24	0.05
1980/04/25	0.05
1980/04/26	0.05
1980/04/27	0.05
1980/04/28	0.05
1980/04/29	0.04
1980/04/30	0.04
1980/05/01	0.04
1980/05/02	0.04
1980/05/03	0.04
1980/05/04	0.04
1980/05/05	0.04
1980/05/06	0.04
1980/05/07	0.04
1980/05/08	0.04
1980/05/09	0.04
1980/05/10	0.04
1980/05/11	0.04
1980/05/12	0.04
1980/05/13	0.04
1980/05/14	0.04
1980/05/15	0.04
1980/05/16	0.04
1980/05/17	0.04
1980/05/18	0.04
1980/05/19	0.04
1980/05/20	0.04
1980/05/21	0.10
1980/05/22	0.13
1980/05/23	0.42
1980/05/24	0.98
1980/05/25	1.09
1980/05/26	0.65
1980/05/27	0.61
1980/05/28	0.61
1980/05/29	0.35
1980/05/30	0.27
1980/05/31	0.24
1980/06/01	0.20
1980/06/02	0.13
1980/06/03	0.12
1980/06/04	1.04
1980/06/05	0.82
1980/06/06	0.54
1980/06/07	0.38
1980/06/08	0.10
1980/06/09	0.10
1980/06/10	0.09
1980/06/11	0.08
1980/06/12	0.09
1980/06/13	0.09
1980/06/14	0.08
1980/06/15	0.05
1980/06/16	0.05
1980/06/17	0.05
1980/06/18	0.06
1980/06/19	10.05
1980/06/20	1.20
1980/06/21	7.70
1980/06/22	20.78
1980/06/23	8.75
1980/06/24	3.76
1980/06/25	2.36
1980/06/26	2.10
1980/06/27	4.89
1980/06/28	3.76
1980/06/29	1.72
1980/06/30	1.15
1980/07/01	0.61
1980/07/02	0.31
1980/07/03	0.24
1980/07/04	0.15
1980/07/05	0.12
1980/07/06	0.10
1980/07/07	0.09
1980/07/08	0.08
1980/07/09	0.07
1980/07/10	0.05
1980/07/11	0.04
1980/07/12	0.04
1980/07/13	0.04
1980/07/14	0.04
1980/07/15	0.04
1980/07/16	0.50
1980/07/17	0.38
1980/07/18	0.24
1980/07/19	0.19
1980/07/20	0.25
1980/07/21	0.25
1980/07/22	2.98
1980/07/23	7.54
1980/07/24	7.88
1980/07/25	12.14
1980/07/26	69.84
1980/07/27	15.08
1980/07/28	13.06
1980/07/29	18.20
1980/07/30	14.28
1980/07/31	7.54
1980/08/01	20.78
1980/08/02	11.05
1980/08/03	6.74
1980/08/04	3.55
1980/08/05	2.53
1980/08/06	1.40
1980/08/07	0.98
1980/08/08	0.87
1980/08/09	0.65
1980/08/10	0.50
1980/08/11	0.42
1980/08/12	0.31
1980/08/13	0.25
1980/08/14	0.20
1980/08/15	0.19
1980/08/16	0.42
1980/08/17	0.31
1980/08/18	0.27
1980/08/19	0.24
1980/08/20	0.35
1980/08/21	0.76
1980/08/22	0.87
1980/08/23	0.82
1980/08/24	1.04
1980/08/25	1.53
1980/08/26	1.27
1980/08/27	0.98
1980/08/28	0.76
1980/08/29	0.50
1980/08/30	0.50
1980/08/31	1.53
1980/09/01	2.62
1980/09/02	5.97
1980/09/03	5.56
1980/09/04	4.75
1980/09/05	3.65
1980/09/06	3.18
1980/09/07	2.89
1980/09/08	2.89
1980/09/09	7.70
1980/09/10	7.06
1980/09/11	3.98
1980/09/12	3.37
1980/09/13	2.80
1980/09/14	2.02
1980/09/15	1.66
1980/09/16	9.85
1980/09/17	9.45
1980/09/18	7.06
1980/09/19	5.29
1980/09/20	3.98
1980/09/21	7.22
1980/09/22	3.76
1980/09/23	2.80
1980/09/24	1.85
1980/09/25	1.59
1980/09/26	1.33
1980/09/27	1.15
1980/09/28	1.27
1980/09/29	1.27
1980/09/30	1.20
1980/10/01	1.20
1980/10/02	1.15
1980/10/03	1.04
1980/10/04	1.09
1980/10/05	1.59
1980/10/06	1.46
1980/10/07	1.33
1980/10/08	1.40
1980/10/09	1.66
1980/10/10	1.53
1980/10/11	1.20
1980/10/12	1.09
1980/10/13	1.15
1980/10/14	1.09
1980/10/15	0.87
1980/10/16	1.20
1980/10/17	2.02
1980/10/18	1.59
1980/10/19	1.79
1980/10/20	5.70
1980/10/21	3.98
1980/10/22	3.27
1980/10/23	2.19
1980/10/24	2.02
1980/10/25	1.66
1980/10/26	1.27
1980/10/27	1.04
1980/10/28	0.93
1980/10/29	0.71
1980/10/30	0.65
1980/10/31	0.65
1980/11/01	0.65
1980/11/02	0.61
1980/11/03	0.46
1980/11/04	0.38
1980/11/05	0.35
1980/11/06	0.31
1980/11/07	0.31
1980/11/08	0.31
1980/11/09	0.93
1980/11/10	1.20
1980/11/11	1.09
1980/11/12	1.04
1980/11/13	0.98
1980/11/14	0.93
1980/11/15	0.87
1980/11/16	0.76
1980/11/17	0.65
1980/11/18	0.65
1980/11/19	0.65
1980/11/20	0.61
1980/11/21	0.61
1980/11/22	0.65
1980/11/23	0.50
1980/11/24	0.38
1980/11/25	0.42
1980/11/26	0.38
1980/11/27	0.38
1980/11/28	0.38
1980/11/29	0.38
1980/11/30	0.42
1980/12/01	0.46
1980/12/02	0.42
1980/12/03	0.38
1980/12/04	0.35
1980/12/05	0.31
1980/12/06	0.27
1980/12/07	0.24
1980/12/08	0.24
1980/12/09	0.20
1980/12/10	0.17
1980/12/11	0.09
1980/12/12	0.08
1980/12/13	3.46
1980/12/14	6.90
1980/12/15	2.62
1980/12/16	1.94
1980/12/17	1.59
1980/12/18	1.27
1980/12/19	1.04
1980/12/20	0.87
1980/12/21	0.76
1980/12/22	0.71
1980/12/23	0.42
1980/12/24	0.25
1980/12/25	0.19
1980/12/26	0.15
1980/12/27	0.13
1980/12/28	0.12
1980/12/29	0.08
1980/12/30	0.08
1980/12/31	0.08
#===========================================
# Number of observations = 275 / 366
# Average = 1.92