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	1.52
1980/04/02	1.64
1980/04/03	1.52
1980/04/04	1.70
1980/04/05	3.20
1980/04/06	2.96
1980/04/07	2.72
1980/04/08	2.56
1980/04/09	2.26
1980/04/10	2.12
1980/04/11	1.84
1980/04/12	1.58
1980/04/13	1.52
1980/04/14	1.46
1980/04/15	1.46
1980/04/16	1.40
1980/04/17	1.34
1980/04/18	1.28
1980/04/19	1.28
1980/04/20	1.28
1980/04/21	1.28
1980/04/22	1.22
1980/04/23	1.22
1980/04/24	1.22
1980/04/25	1.22
1980/04/26	1.16
1980/04/27	1.70
1980/04/28	1.58
1980/04/29	1.52
1980/04/30	1.46
1980/05/01	-9999
1980/05/02	-9999
1980/05/03	-9999
1980/05/04	-9999
1980/05/05	-9999
1980/05/06	-9999
1980/05/07	-9999
1980/05/08	-9999
1980/05/09	-9999
1980/05/10	-9999
1980/05/11	-9999
1980/05/12	-9999
1980/05/13	-9999
1980/05/14	-9999
1980/05/15	-9999
1980/05/16	-9999
1980/05/17	-9999
1980/05/18	-9999
1980/05/19	-9999
1980/05/20	-9999
1980/05/21	-9999
1980/05/22	-9999
1980/05/23	-9999
1980/05/24	-9999
1980/05/25	-9999
1980/05/26	-9999
1980/05/27	-9999
1980/05/28	-9999
1980/05/29	-9999
1980/05/30	-9999
1980/05/31	-9999
1980/06/01	3.12
1980/06/02	3.04
1980/06/03	2.88
1980/06/04	3.74
1980/06/05	3.47
1980/06/06	3.04
1980/06/07	3.83
1980/06/08	3.12
1980/06/09	2.88
1980/06/10	2.72
1980/06/11	3.04
1980/06/12	3.56
1980/06/13	3.74
1980/06/14	3.83
1980/06/15	7.30
1980/06/16	7.06
1980/06/17	11.05
1980/06/18	10.15
1980/06/19	9.02
1980/06/20	14.54
1980/06/21	21.50
1980/06/22	17.80
1980/06/23	10.30
1980/06/24	15.85
1980/06/25	11.98
1980/06/26	7.18
1980/06/27	23.00
1980/06/28	14.36
1980/06/29	10.90
1980/06/30	9.30
1980/07/01	8.21
1980/07/02	6.82
1980/07/03	5.80
1980/07/04	5.00
1980/07/05	4.50
1980/07/06	4.20
1980/07/07	4.01
1980/07/08	3.83
1980/07/09	3.65
1980/07/10	3.56
1980/07/11	3.47
1980/07/12	3.38
1980/07/13	3.20
1980/07/14	3.12
1980/07/15	3.12
1980/07/16	3.04
1980/07/17	2.96
1980/07/18	3.04
1980/07/19	3.12
1980/07/20	3.29
1980/07/21	3.65
1980/07/22	9.72
1980/07/23	11.66
1980/07/24	10.15
1980/07/25	55.35
1980/07/26	18.20
1980/07/27	21.00
1980/07/28	33.45
1980/07/29	44.00
1980/07/30	46.00
1980/07/31	25.06
1980/08/01	20.34
1980/08/02	15.47
1980/08/03	11.98
1980/08/04	10.00
1980/08/05	8.34
1980/08/06	7.43
1980/08/07	6.58
1980/08/08	6.00
1980/08/09	5.60
1980/08/10	5.40
1980/08/11	5.20
1980/08/12	4.90
1980/08/13	4.70
1980/08/14	4.50
1980/08/15	4.40
1980/08/16	7.95
1980/08/17	6.70
1980/08/18	5.80
1980/08/19	5.20
1980/08/20	8.88
1980/08/21	29.80
1980/08/22	15.85
1980/08/23	10.45
1980/08/24	56.70
1980/08/25	53.60
1980/08/26	30.40
1980/08/27	18.20
1980/08/28	14.36
1980/08/29	11.98
1980/08/30	10.45
1980/08/31	12.78
1980/09/01	18.80
1980/09/02	54.00
1980/09/03	30.40
1980/09/04	31.00
1980/09/05	23.25
1980/09/06	18.60
1980/09/07	-9999
1980/09/08	-9999
1980/09/09	-9999
1980/09/10	-9999
1980/09/11	-9999
1980/09/12	-9999
1980/09/13	-9999
1980/09/14	-9999
1980/09/15	-9999
1980/09/16	-9999
1980/09/17	-9999
1980/09/18	-9999
1980/09/19	26.38
1980/09/20	24.02
1980/09/21	16.23
1980/09/22	-9999
1980/09/23	-9999
1980/09/24	-9999
1980/09/25	15.47
1980/09/26	13.10
1980/09/27	11.82
1980/09/28	11.66
1980/09/29	10.60
1980/09/30	10.30
1980/10/01	9.86
1980/10/02	9.58
1980/10/03	9.30
1980/10/04	9.58
1980/10/05	9.02
1980/10/06	8.34
1980/10/07	8.34
1980/10/08	8.21
1980/10/09	8.21
1980/10/10	8.88
1980/10/11	8.47
1980/10/12	9.72
1980/10/13	9.02
1980/10/14	8.47
1980/10/15	8.34
1980/10/16	8.21
1980/10/17	9.30
1980/10/18	8.47
1980/10/19	8.60
1980/10/20	9.86
1980/10/21	9.16
1980/10/22	8.47
1980/10/23	8.47
1980/10/24	8.21
1980/10/25	8.08
1980/10/26	7.95
1980/10/27	7.82
1980/10/28	7.69
1980/10/29	7.69
1980/10/30	7.56
1980/10/31	7.43
1980/11/01	7.43
1980/11/02	7.30
1980/11/03	7.18
1980/11/04	7.06
1980/11/05	7.06
1980/11/06	7.06
1980/11/07	7.06
1980/11/08	7.30
1980/11/09	7.18
1980/11/10	7.06
1980/11/11	6.94
1980/11/12	6.94
1980/11/13	6.94
1980/11/14	6.82
1980/11/15	6.82
1980/11/16	6.82
1980/11/17	6.70
1980/11/18	6.70
1980/11/19	6.70
1980/11/20	6.58
1980/11/21	6.58
1980/11/22	6.58
1980/11/23	6.58
1980/11/24	6.58
1980/11/25	6.46
1980/11/26	6.46
1980/11/27	6.46
1980/11/28	6.46
1980/11/29	6.46
1980/11/30	6.34
1980/12/01	6.34
1980/12/02	6.34
1980/12/03	6.34
1980/12/04	6.22
1980/12/05	6.22
1980/12/06	6.22
1980/12/07	6.22
1980/12/08	6.10
1980/12/09	6.10
1980/12/10	6.10
1980/12/11	6.00
1980/12/12	6.00
1980/12/13	6.00
1980/12/14	6.00
1980/12/15	6.00
1980/12/16	6.00
1980/12/17	5.90
1980/12/18	5.90
1980/12/19	5.90
1980/12/20	5.90
1980/12/21	5.80
1980/12/22	5.80
1980/12/23	5.80
1980/12/24	5.80
1980/12/25	5.80
1980/12/26	5.80
1980/12/27	5.80
1980/12/28	5.80
1980/12/29	5.70
1980/12/30	5.70
1980/12/31	5.70
#===========================================
# Number of observations = 229 / 366
# Average = 8.95