1981/01/01	15.90
1981/01/02	15.50
1981/01/03	15.50
1981/01/04	15.10
1981/01/05	14.70
1981/01/06	13.90
1981/01/07	12.90
1981/01/08	12.00
1981/01/09	12.00
1981/01/10	11.70
1981/01/11	11.10
1981/01/12	10.50
1981/01/13	10.20
1981/01/14	9.60
1981/01/15	9.60
1981/01/16	9.00
1981/01/17	8.70
1981/01/18	8.40
1981/01/19	8.10
1981/01/20	7.80
1981/01/21	7.80
1981/01/22	7.50
1981/01/23	7.50
1981/01/24	7.20
1981/01/25	7.20
1981/01/26	7.00
1981/01/27	6.70
1981/01/28	6.70
1981/01/29	6.50
1981/01/30	6.20
1981/01/31	5.90
1981/02/01	5.90
1981/02/02	5.70
1981/02/03	5.70
1981/02/04	5.40
1981/02/05	5.20
1981/02/06	5.20
1981/02/07	4.90
1981/02/08	4.90
1981/02/09	4.70
1981/02/10	4.50
1981/02/11	4.50
1981/02/12	4.30
1981/02/13	4.10
1981/02/14	4.10
1981/02/15	3.90
1981/02/16	3.70
1981/02/17	3.50
1981/02/18	3.30
1981/02/19	3.10
1981/02/20	2.90
1981/02/21	2.70
1981/02/22	2.70
1981/02/23	2.60
1981/02/24	2.40
1981/02/25	2.20
1981/02/26	2.10
1981/02/27	2.10
1981/02/28	1.90
1981/03/01	1.70
1981/03/02	1.70
1981/03/03	1.70
1981/03/04	1.50
1981/03/05	1.50
1981/03/06	1.40
1981/03/07	1.20
1981/03/08	1.10
1981/03/09	1.10
1981/03/10	1.10
1981/03/11	1.50
1981/03/12	1.70
1981/03/13	1.70
1981/03/14	4.90
1981/03/15	8.10
1981/03/16	9.60
1981/03/17	8.40
1981/03/18	9.60
1981/03/19	5.70
1981/03/20	4.50
1981/03/21	3.90
1981/03/22	3.10
1981/03/23	3.10
1981/03/24	2.90
1981/03/25	2.70
1981/03/26	2.60
1981/03/27	2.40
1981/03/28	2.10
1981/03/29	2.10
1981/03/30	1.90
1981/03/31	1.50
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	-9999
1981/04/14	-9999
1981/04/15	-9999
1981/04/16	-9999
1981/04/17	-9999
1981/04/18	-9999
1981/04/19	-9999
1981/04/20	-9999
1981/04/21	-9999
1981/04/22	-9999
1981/04/23	-9999
1981/04/24	-9999
1981/04/25	-9999
1981/04/26	-9999
1981/04/27	-9999
1981/04/28	-9999
1981/04/29	-9999
1981/04/30	-9999
1981/05/01	-9999
1981/05/02	-9999
1981/05/03	-9999
1981/05/04	-9999
1981/05/05	-9999
1981/05/06	-9999
1981/05/07	-9999
1981/05/08	-9999
1981/05/09	-9999
1981/05/10	-9999
1981/05/11	-9999
1981/05/12	-9999
1981/05/13	-9999
1981/05/14	-9999
1981/05/15	-9999
1981/05/16	-9999
1981/05/17	-9999
1981/05/18	-9999
1981/05/19	-9999
1981/05/20	-9999
1981/05/21	-9999
1981/05/22	-9999
1981/05/23	-9999
1981/05/24	-9999
1981/05/25	-9999
1981/05/26	-9999
1981/05/27	-9999
1981/05/28	-9999
1981/05/29	-9999
1981/05/30	-9999
1981/05/31	-9999
1981/06/01	-9999
1981/06/02	-9999
1981/06/03	-9999
1981/06/04	-9999
1981/06/05	-9999
1981/06/06	-9999
1981/06/07	-9999
1981/06/08	-9999
1981/06/09	-9999
1981/06/10	-9999
1981/06/11	-9999
1981/06/12	-9999
1981/06/13	-9999
1981/06/14	-9999
1981/06/15	-9999
1981/06/16	-9999
1981/06/17	-9999
1981/06/18	-9999
1981/06/19	-9999
1981/06/20	-9999
1981/06/21	-9999
1981/06/22	-9999
1981/06/23	-9999
1981/06/24	-9999
1981/06/25	-9999
1981/06/26	-9999
1981/06/27	-9999
1981/06/28	-9999
1981/06/29	-9999
1981/06/30	-9999
1981/07/01	-9999
1981/07/02	-9999
1981/07/03	-9999
1981/07/04	-9999
1981/07/05	-9999
1981/07/06	-9999
1981/07/07	-9999
1981/07/08	-9999
1981/07/09	-9999
1981/07/10	-9999
1981/07/11	-9999
1981/07/12	-9999
1981/07/13	-9999
1981/07/14	-9999
1981/07/15	-9999
1981/07/16	-9999
1981/07/17	-9999
1981/07/18	-9999
1981/07/19	-9999
1981/07/20	-9999
1981/07/21	-9999
1981/07/22	-9999
1981/07/23	-9999
1981/07/24	-9999
1981/07/25	-9999
1981/07/26	-9999
1981/07/27	-9999
1981/07/28	-9999
1981/07/29	-9999
1981/07/30	-9999
1981/07/31	-9999
1981/08/01	-9999
1981/08/02	-9999
1981/08/03	-9999
1981/08/04	-9999
1981/08/05	-9999
1981/08/06	-9999
1981/08/07	-9999
1981/08/08	-9999
1981/08/09	-9999
1981/08/10	-9999
1981/08/11	-9999
1981/08/12	-9999
1981/08/13	-9999
1981/08/14	-9999
1981/08/15	-9999
1981/08/16	-9999
1981/08/17	-9999
1981/08/18	-9999
1981/08/19	-9999
1981/08/20	-9999
1981/08/21	-9999
1981/08/22	-9999
1981/08/23	-9999
1981/08/24	-9999
1981/08/25	-9999
1981/08/26	-9999
1981/08/27	-9999
1981/08/28	-9999
1981/08/29	-9999
1981/08/30	-9999
1981/08/31	-9999
1981/09/01	-9999
1981/09/02	-9999
1981/09/03	-9999
1981/09/04	-9999
1981/09/05	-9999
1981/09/06	-9999
1981/09/07	-9999
1981/09/08	-9999
1981/09/09	-9999
1981/09/10	-9999
1981/09/11	-9999
1981/09/12	-9999
1981/09/13	-9999
1981/09/14	-9999
1981/09/15	-9999
1981/09/16	-9999
1981/09/17	-9999
1981/09/18	-9999
1981/09/19	-9999
1981/09/20	-9999
1981/09/21	-9999
1981/09/22	-9999
1981/09/23	-9999
1981/09/24	-9999
1981/09/25	-9999
1981/09/26	-9999
1981/09/27	-9999
1981/09/28	-9999
1981/09/29	-9999
1981/09/30	-9999
1981/10/01	-9999
1981/10/02	-9999
1981/10/03	-9999
1981/10/04	-9999
1981/10/05	-9999
1981/10/06	-9999
1981/10/07	-9999
1981/10/08	-9999
1981/10/09	-9999
1981/10/10	-9999
1981/10/11	-9999
1981/10/12	-9999
1981/10/13	-9999
1981/10/14	-9999
1981/10/15	-9999
1981/10/16	-9999
1981/10/17	-9999
1981/10/18	-9999
1981/10/19	-9999
1981/10/20	-9999
1981/10/21	-9999
1981/10/22	-9999
1981/10/23	-9999
1981/10/24	-9999
1981/10/25	-9999
1981/10/26	-9999
1981/10/27	-9999
1981/10/28	-9999
1981/10/29	-9999
1981/10/30	-9999
1981/10/31	-9999
1981/11/01	-9999
1981/11/02	-9999
1981/11/03	-9999
1981/11/04	-9999
1981/11/05	-9999
1981/11/06	-9999
1981/11/07	-9999
1981/11/08	-9999
1981/11/09	-9999
1981/11/10	-9999
1981/11/11	-9999
1981/11/12	-9999
1981/11/13	-9999
1981/11/14	-9999
1981/11/15	-9999
1981/11/16	-9999
1981/11/17	-9999
1981/11/18	-9999
1981/11/19	-9999
1981/11/20	-9999
1981/11/21	-9999
1981/11/22	-9999
1981/11/23	-9999
1981/11/24	-9999
1981/11/25	-9999
1981/11/26	-9999
1981/11/27	-9999
1981/11/28	-9999
1981/11/29	-9999
1981/11/30	-9999
1981/12/01	-9999
1981/12/02	-9999
1981/12/03	-9999
1981/12/04	-9999
1981/12/05	-9999
1981/12/06	-9999
1981/12/07	-9999
1981/12/08	-9999
1981/12/09	-9999
1981/12/10	-9999
1981/12/11	-9999
1981/12/12	-9999
1981/12/13	-9999
1981/12/14	-9999
1981/12/15	-9999
1981/12/16	-9999
1981/12/17	-9999
1981/12/18	-9999
1981/12/19	-9999
1981/12/20	-9999
1981/12/21	-9999
1981/12/22	-9999
1981/12/23	-9999
1981/12/24	-9999
1981/12/25	-9999
1981/12/26	-9999
1981/12/27	-9999
1981/12/28	-9999
1981/12/29	-9999
1981/12/30	-9999
1981/12/31	-9999
#===========================================
# Number of observations = 90 / 365
# Average = 5.72