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Manzanillo-B (Mexico) Site History

History Summary

Station Name Manzanillo-B
Country Mexico
Latitude 19° 03.0' N
Longitude 104° 20.0' W
GLOSS No. 163
Time Reference GMT (hours 00-23)
Contributor National Ocean Service (NOS)
National Ocean. and Atmos. Administration (NOAA)
Instrument Type Aquatrak acoustic gauge, NOAA Next Generation Water Level Measuring System (NGWLMS)
Site of Gauge The house is at the southwest of Naval Pier:
it is a standard 4x6ft fibreglass house.
Recording equipment is bolted to the tide house wall.
Observational Period 1992-1998

Reference Level

The data are referred to tide staff zero which is linked to fixed benchmarks. 40 feet were subtracted from the originator's data to fit the TOGA format.

Tide Gauge Benchmark (TGBM) Description

Primary benchmark is DGOM 9501 A 1992.

Auxiliary Benchmarks

November 1992 site report states 'next inspection will connect Historic BM 1 1953, 2A 1956, 3 1952, 4 1952, 5, 1952, 6 1956, 7 1956.'

Other Benchmarks

DGOM 9501 B 1992
DGOM 9501 C 1992
DGOM 9501 D 1992
DGOM E 1992
DGOM F 1992

Quality Assessment by the UH Sea Level Center


The daily and monthly values do not reveal any obvious reference level shifts or trends.

The timing is good.

This series is distinguished from Manzanillo-A because they are not linked to the same bench marks.

A Tsunami of 9 October 1995 is evident.

Year CI(%) Missing Data Replaced Gaps or Bad Data Questionable Fluctuations
1992 9 none none none
1993 91 221-252 (21)218-(16)219 none
1994 98 136-145 none none
1995 100 none (16)065-(13)067 none
1996 8 none none none
1997 51 001-133,319-365 none none
1998 21 001-058,113-141,160-365 none none