Datums for 9757809, Arecibo PR

NOTICE OF PROVISIONAL DATUM These datums and any data referred to said datum are PROVISIONAL and subject to revision until they have been thoroughly reviewed and received final approval. Subsequent review based on field inspections and additional measurements may result in revisions to the data and datums. Data users are cautioned to consider the conditional nature of this information before using it for critical decisions such as those that concern physical or public safety. Only after meeting all standards for quality control assurance will the datums be classified as Accepted Datums.
NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9757809, Arecibo, PR
Status: Accepted (Mar 16 2012)
Units: Feet
Control Station: 9755371 San Juan, La Puntilla, San Juan Bay, PR
T.M.: 60
Epoch: 1983-2001
Datum: MLLW
MHHW1.75Mean Higher-High Water
MHW1.43Mean High Water
MTL0.81Mean Tide Level
MSL0.82Mean Sea Level
DTL0.88Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
STND-22.11Station Datum
GT1.76Great Diurnal Range
MN1.24Mean Range of Tide
DHQ0.32Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWI0.08Greenwich High Water Interval (in hours)
LWI6.38Greenwich Low Water Interval (in hours)
Max Tide2.66Highest Observed Tide
Max Tide Date & Time10/08/2010 12:48Highest Observed Tide Date & Time
Min Tide-0.77Lowest Observed Tide
Min Tide Date & Time04/27/2009 19:12Lowest Observed Tide Date & Time
HAT2.38Highest Astronomical Tide
HAT Date & Time11/06/2025 13:00HAT Date and Time
LAT-0.54Lowest Astronomical Tide
LAT Date & Time05/27/2025 17:48LAT Date and Time
Tidal Datum Analysis Periods
05/01/2010 - 04/30/2011

Products available at 9757809 Arecibo, PR