Walvis Bay (Namibia) Site History
History Summary
| Station | Walvis Bay |
|---|---|
| Country | Namibia |
| Gloss No | 314 |
| Latitude | 022° 57.0' S |
| Longitude | 014° 30.0' E |
| Time Meridian | 030° E (GMT +2 hr) |
| Contributor | University of Cape town,
Department of Oceanography, Rondebosch 7701, RSA. |
| Originator | Hydrographic Office,
South African Navy, Private Bag X1, Tokai 7966, RSA. |
| Instrument Type | OTT float-type gauge
EMATEK acoustic Automatic Water Level Recorder (AWLR) |
| Observational Periods | 19 August 1991 - 31 December 1995 OTT float-type
10 January 1995 - 31 December 1998 AWLR |
Tide Gauge Benchmark (TGBM) Description
Unavailable at present
Quality Assessment
Comments
Years marked with '*' listed below refer to data from the AWLR, else data recorded by the OTT float gauge.
Possible datum shift - 1993 05 10 +70cm
Possible datum shift - 1993 12 02 -30cm
Most questionable fluctuations are related to timing errors of the gauge.
| Year | Completeness
Index (%) |
Questionable Fluctuations (In day Nos) and
Missing Data (Gaps >6 hours) |
|---|---|---|
| 1991 | 36 | None
Gap From 1991/09/21 at 02.00 to 1991/09/21 at 12.00 Gap From 1991/10/23 at 22.00 to 1991/10/24 at 07.00 Gap From 1991/11/21 at 13.00 to 1991/11/22 at 17.00 |
| 1992 | 88 | 127-135,183-188
Gap From 1992/01/17 at 03.00 to 1992/01/19 at 15.00 Gap From 1992/02/15 at 08.00 to 1992/02/15 at 21.00 Gap From 1992/03/13 at 17.00 to 1992/04/09 at 11.00 Gap From 1992/05/06 at 05.00 to 1992/05/06 at 15.00 Gap From 1992/06/03 at 05.00 to 1992/06/03 at 21.00 Gap From 1992/07/27 at 02.00 to 1992/07/27 at 16.00 Gap From 1992/08/23 at 09.00 to 1992/08/23 at 15.00 Gap From 1992/09/18 at 11.00 to 1992/09/18 at 17.00 Gap From 1992/12/06 at 15.00 to 1992/12/06 at 21.00 Gap From 1992/12/20 at 22.00 to 1992/12/31 at 21.00 |
| 1993 | 52 | 035,078-092,139-140,316-319
Gap From 1993/02/04 at 07.00 to 1993/02/04 at 18.00 Gap From 1993/03/04 at 03.00 to 1993/03/05 at 17.00 Gap From 1993/04/11 at 18.00 to 1993/05/10 at 07.00 Gap From 1993/05/18 at 22.00 to 1993/05/19 at 10.00 Gap From 1993/05/20 at 18.00 to 1993/05/21 at 10.00 Gap From 1993/06/17 at 22.00 to 1993/06/22 at 04.00 Gap From 1993/06/24 at 15.00 to 1993/06/25 at 04.00 Gap From 1993/07/04 at 22.00 to 1993/07/05 at 08.00 Gap From 1993/07/25 at 18.00 to 1993/07/26 at 06.00 Gap From 1993/08/01 at 18.00 to 1993/11/12 at 06.00 Gap From 1993/11/15 at 14.00 to 1993/11/15 at 21.00 Gap From 1993/12/07 at 22.00 to 1993/12/08 at 13.00 |
| 1994 | 25 | 209-236
Gap From 1994/01/04 at 17.00 to 1994/07/27 at 21.00 Gap From 1994/08/24 at 09.00 to 1994/09/05 at 12.00 Gap From 1994/09/30 at 22.00 to 1994/11/14 at 12.00 Gap From 1994/12/12 at 22.00 to 1994/12/22 at 13.00 Gap From 1994/12/31 at 15.00 to 1994/12/31 at 21.00 |
| 1995 | 75 | 016-027,043-057,076-079,104-113,148-252,280-285,338-350
Gap From 1995/01/27 at 17.00 to 1995/01/29 at 17.00 Gap From 1995/02/26 at 04.00 to 1995/03/03 at 11.00 Gap From 1995/03/06 at 22.00 to 1995/03/17 at 15.00 Gap From 1995/03/20 at 07.00 to 1995/04/14 at 08.00 Gap From 1995/04/18 at 00.00 to 1995/04/18 at 15.00 Gap From 1995/04/19 at 20.00 to 1995/04/20 at 14.00 Gap From 1995/04/21 at 17.00 to 1995/04/22 at 05.00 Gap From 1995/05/12 at 02.00 to 1995/05/28 at 11.00 Gap From 1995/06/10 at 16.00 to 1995/06/16 at 13.00 Gap From 1995/06/16 at 22.00 to 1995/06/17 at 21.00 Gap From 1995/07/15 at 07.00 to 1995/07/18 at 15.00 Gap From 1995/08/15 at 08.00 to 1995/08/17 at 04.00 Gap From 1995/08/28 at 18.00 to 1995/08/29 at 05.00 Gap From 1995/09/09 at 22.00 to 1995/09/10 at 21.00 Gap From 1995/09/13 at 12.00 to 1995/09/15 at 08.00 Gap From 1995/09/23 at 02.00 to 1995/09/23 at 15.00 Gap From 1995/10/12 at 22.00 to 1995/10/16 at 06.00 Gap From 1995/10/23 at 21.00 to 1995/10/28 at 05.00 Gap From 1995/11/17 at 05.00 to 1995/11/18 at 14.00 Gap From 1995/12/02 at 22.00 to 1995/12/04 at 08.00 Gap From 1995/12/16 at 16.00 to 1995/12/17 at 14.00 |
| 1995* | 73 | None
Gap From 1995/01/16 at 03.00 to 1995/03/01 at 07.00 Gap From 1995/03/26 at 14.00 to 1995/03/27 at 01.00 Gap From 1995/04/03 at 20.00 to 1995/04/04 at 07.00 Gap From 1995/06/01 at 02.00 to 1995/07/01 at 01.00 Gap From 1995/07/30 at 20.00 to 1995/08/01 at 01.00 Gap From 1995/10/16 at 02.00 to 1995/10/16 at 13.00 Gap From 1995/10/21 at 02.00 to 1995/10/21 at 12.00 Gap From 1995/12/18 at 07.00 to 1995/12/29 at 00.00 |
| 1996* | 88 | None
Gap From 1996/02/26 at 13.00 to 1996/02/27 at 00.00 Gap From 1996/04/09 at 19.00 to 1996/04/15 at 18.00 Gap From 1996/05/27 at 13.00 to 1996/05/28 at 00.00 Gap From 1996/06/06 at 13.00 to 1996/06/07 at 06.00 Gap From 1996/06/13 at 12.00 to 1996/06/20 at 09.00 Gap From 1996/06/20 at 11.00 to 1996/06/20 at 18.00 Gap From 1996/06/25 at 10.00 to 1996/06/27 at 17.00 Gap From 1996/07/07 at 06.00 to 1996/07/07 at 13.00 Gap From 1996/08/08 at 20.00 to 1996/09/03 at 13.00 Gap From 1996/09/16 at 02.00 to 1996/09/16 at 19.00 |
| 1997* | 65 | 365
Gap From 1997/01/28 at 06.00 to 1997/01/29 at 13.00 Gap From 1997/07/09 at 20.00 to 1997/07/10 at 07.00 Gap From 1997/07/15 at 16.00 to 1997/11/17 at 12.00 |
| 1998* | 68 | 26,207-208
Gap From 1998/02/02 at 07.00 to 1998/02/24 at 09.00 Gap From 1998/03/16 at 16.00 to 1998/03/17 at 03.00 Gap From 1998/04/16 at 04.00 to 1998/05/08 at 07.00 Gap From 1998/05/25 at 02.00 to 1998/05/27 at 07.00 Gap From 1998/08/03 at 02.00 to 1998/08/03 at 13.00 Gap From 1998/10/05 at 02.00 to 1998/10/07 at 16.00 Gap From 1998/11/09 at 05.00 to 1998/11/15 at 22.00 Gap From 1998/11/23 at 11.00 to 1998/12/31 at 21.00 |
