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Cape Hatteras (North Carolina, USA) Site History

History Summary

Station Name Cape Hatteras, N.C.
Country U.S.A.
Latitude 35° 13.4' N
Longitude 075° 38.1' W
GLOSS No.  
Time Reference GMT (00-23 hours)
Contributor 1992-2000 NOAA/NOS, USA
Instrument Type Analog-to-digital (ADR) recorder (1992-1994);
NOAA Next Generation Water Level Measuring
System (NGWLMS) (June 1994-2000)
Site of Gauge  
Observational Period 1992-2000

Please note that the position information has been altered in this document - see document 83916

Reference Level

All data are referred to Tide Gauge Zero and are linked into historic fixed benchmarks.

Quality Assessment

Comments

The daily or monthly means do not reveal any obvious reference level shifts.

The hourly residuals are very noisy.

The data for 1996-2000 were supplied with heights relative to MLLW. Consequently 856mm was added to refer the data to tide gauge zero.

The data for 1998-2000 were supplied in non-GMT format and had to be shifted into GMT.

Year Completeness Index (%) Questionable Fluctuations (in day Nos.)
and Missing Data (Gaps >6 hours)
1992 84 None
Gap From 1992/10/05 at 18.00 to 1992/12/02 at 15.00
1993 70 72-73
Gap From 1993/03/15 at 21.00 to 1993/03/19 at 19.00
Gap From 1993/05/02 at 23.00 to 1993/06/01 at 04.00
Gap From 1993/08/04 at 04.00 to 1993/08/05 at 00.00
Gap From 1993/08/05 at 12.00 to 1993/08/06 at 20.00
Gap From 1993/08/07 at 11.00 to 1993/08/09 at 16.00
Gap From 1993/08/11 at 02.00 to 1993/08/11 at 19.00
Gap From 1993/08/13 at 08.00 to 1993/08/14 at 17.00
Gap From 1993/08/15 at 12.00 to 1993/08/16 at 22.00
Gap From 1993/08/19 at 03.00 to 1993/08/22 at 21.00
Gap From 1993/08/28 at 04.00 to 1993/08/29 at 23.00
Gap From 1993/09/01 at 20.00 to 1993/10/28 at 17.00
1994 42 None
1995 100 None
1996 99 185-358
Gap From 1996/07/02 at 23.00 to 1996/07/03 at 16.00
1997 100 None
1998 100 9,16,19-20,28,34,43,48,54,99,108,110,124,143,237-240, 246-247,347,350-351
1999 72 10,63,81,89-94,147-152,207-214,218-220,229-231,259,262
Gap From 1999/09/19 at 22.00 to 1999/12/31 at 23.00
2000 42 Gap From 2000/01/01 at 00.00 to 2000/08/01 at 00.00