BODC FIXED STATION DOCUMENT NO. 76883 Site History : Walvis Bay, Namibia ================================== Station : Walvis Bay Country : Namibia Gloss No : 314 Latitude : 022 57.0S Longitude : 014 30.0E Time Meridian : 030E (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 AWRL Tide Gauge benchmark (TGBM) description: Unavailable at present Quality Assessment: Comment: Years marked with * listed below refer to data from the AWRL, 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. COMPLETENESS QUESTIONABLE FLUCTUATIONS (In day Nos) YEAR INDEX (%) 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