************************ PRELIMINARY DATA **************************

THIS RAW DATA HAS NOT BEEN SUBJECT TO THE NATIONAL OCEAN SERVICE’S

QUALITY CONTROL OR QUALITY ASSURANCE PROCEDURES AND DOES NOT MEET

THE CRITERIA AND STANDARDS OF OFFICIAL NATIONAL OCEAN SERVICE

DATA. IT IS RELEASED FOR LIMITED PUBLIC USE AS PRELIMINARY DATA TO

BE USED ONLY WITH APPROPRIATE CAUTION.

************************ PRELIMINARY DATA **************************

Water Level - Acoustic (A1)

Station -- Unique seven character identifier for the station

DCP -- A one character identifier for the data collection

platform at a station

SE -- A two character identifier for the data sensor

Date Time -- Date and time the data were collected by the DCP

WL_Value -- Water level height

Sigma -- Standard deviation of 1 second samples used to

compute the water level height

Out -- Count of number of samples that fall outside a

3-sigma band about the mean

Flat -- A flag that when set to 1 indicates that the flat

tolerance limit was exceeded

ROFC -- A flag that when set to 1 indicates that the rate

of change tolerance limit was exceeded

Temp -- A flag that when set to 1 indicates that the

temperature difference tolerance limit was exceeded

Limit -- A flag that when set to 1 indicates that either the

maximum or minimum expected water level height limit

was exceeded

Data are in meters above MLLW

Times are on UTC (GMT)

9453220 1 Yakutat, AK from 19990614 to 19990618

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Station DCP SE Date Time WL_Value Sigma Out Flat RofC Temp Limit

9453220 1 A1 1999/06/14 00:00 1.881 0.014 0 0 0 0 0

9453220 1 A1 1999/06/14 00:06 1.814 0.025 0 0 0 0 0

9453220 1 A1 1999/06/14 00:12 1.746 0.018 0 0 0 0 0

9453220 1 A1 1999/06/14 00:18 1.692 0.014 0 0 0 0 0

9453220 1 A1 1999/06/14 00:24 1.632 0.013 0 0 0 0 0

9453220 1 A1 1999/06/14 00:30 1.560 0.015 0 0 0 0 0

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