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| Washington, DC | Station ID: 8594900 |
Station Information
| Latitude: 38° 52.4' N |
Mean Range: 2.79 ft. |
| Longitude: 77° 1.3' W |
Diurnal Range: 3.17 ft. |
| Established: Nov 10 1924 |
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| Present Installation: Feb 22 1995 |
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| NOAA Chart #: 12289 |
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| Time Meridian: 75 W |
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Data Types Available:Primary Water Level
Backup Water Level
Wind
Air Temperature
Water Temperature
Barometric Pressure
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Station and Bench Mark Drawing
Click HERE for Drawing
(Not for navigational use)
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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| Superceded Bench Mark Data Sheet: |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| Superceded Datums: |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 8594900 Washington, DC |
| 1983-2001 | 1960-1978 | Difference: | | 6.10 ft. | 5.87 ft. | 0.23 ft. |
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Location:
To reach the tidal bench marks from where I-395 northbound splits, travel 1.0 km (0.7 mi) along I-395 northbound to the Maine Avenue S.W. exit. Take the Maine Avenue SW exit road for 0.3 km (0.2 mi) until it dead ends into Water Street S.W. Turn SE onto Water Street, S.W. and proceed to the end of Water Street to the Police and Fire Harbor Patrol Office at Pier 5. The bench marks are located along Water Street, Maine Avenue, and Pier 5, and the tide station is in a separate room located halfway along the north side of the Police building.
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