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| Unalaska , AK | Station ID: 9462620 |
Station Information
| Latitude: 53° 52.8' N |
Mean Range: 2.39 ft. |
| Longitude: 166° 32.2' W |
Diurnal Range: 3.60 ft. |
| Established: May 7 1955 |
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| Present Installation: Jul 27 1989 |
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| NOAA Chart #: 16529 |
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| Time Meridian: 135 W |
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Data Types Available:Backup Water Level
Primary Water Level
Wind
Barometric Pressure
Air Temperature
Water Temperature
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Station Location Chartlet
Click HERE for Map
(Not for navigational use)
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EPOCH Update Information:
| EPOCH Datum Comparison: |
Click HERE - |
check datum differences between the old epoch (1960-1978) and the new epoch (1983-2001) |
| Superceded Bench Mark Data Sheet: |
Click HERE - |
bench mark sheet on the old Tidal Datum Epoch (1960-1978) |
| Superceded Datums: |
Click HERE - |
datums on the old Tidal Datum Epoch (1960-1978) |
| Mean Sea Level Differences List: |
Click HERE - |
mean sea level differences between the two epochs for all stations. |
Mean Sea Level Difference:
for 9462620 Unalaska, AK |
| 1983-2001 | 1960-1978 | Difference: | | 4.68 ft. | 4.73 ft. | -0.05 ft. |
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Location:
To reach the tidal bench marks from the Airport at Dutch Harbor where there is only one road leading from the Airport to the bridge that crosses over the inlet to Unalaska, once over the bridge, stay on main road till you come to a "T" intersection (Generator Plant and school should be directly ahead), make a left turn and go to the end of road to Alyeska Seafoods, Inc. Tide gauge is located on pier of fisheries property. The bench marks are located in the general vicinity.
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