GLOSS Station Handbook – Johnston Is., Hawaiian Is.
The GLOSS Station Handbook is currently being re-designed and upgraded.
Until a new version is available, the tide gauge station list below from the last version of the Handbook provides links to further details about each tide gauge in the GLOSS Core Network. Click column headings to sort the station list table. Click the GLOSS number buttons to view the station information.
Station information
General | |
---|---|
Gloss number | 109 |
Station name | Johnston Is., Hawaiian Is. |
Country | U.S.A. |
Time zone | 165W, GMT - 11hrs |
Latitude (+ve N) | 16.73333 |
Longitude (+ve E) | -169.53333 |
Ocean | Pacific |
Observation periods | 1950- |
Responsible country | U.S.A. |
Authority responsible for tide gauge | NOAA, National Ocean Service, 1305 East-West Highway, Silver Spring, MD 20910-3281, USA |
GLOSS contact | USA |
Committed to GLOSS | Yes |
Operational | Yes |
Location map | |
Instrumentation | |
Float | Yes |
Pressure | No |
Bubbler | Yes |
Acoustic | Yes |
Radar | No |
Data | |
Digital data | Yes |
Additional parameters | Surface temperature, density |
Data acquisition rate | Digital gauge: 6 minute interval (after 1975) Analog gauge: hourly heights (before 1975) |
Fast delivery data at UHSLC | Data 052 File format |
High frequency data at BODC | Data 109 Document 57423 Document 83902 |
High frequency data at UHSLC | Data 052a Document 052a File format |
Real-time data available | Yes |
Real-time data transmitted to GLOSS Fast Centre | |
Additional parameters (real-time) | None |
Benchmarks | |
Tide gauge benchmark | Benchmark 13(1955) is the primary benchmark (PBM) stamped 'NO 13 1955' set in a concrete bulkhead cap at the inshore end of the small boat pier |
Benchmark relationships | TGBM is 9.35ft above Tide Gauge Zero (Station Datum) NOAA Chart Datum (MLLW) is 1.74ft above Station Datum Mean Sea Level (1960-1978) is 2.81ft above Station Datum |
Auxiliary benchmarks | 10 additional benchmarks are levelled to the TGBM and the Tide Station on a yearly basis (BM 21, BM 28, BM 22, BM 19, BM L, BM 6, BM 12, BM 14, BM MON JOHN, BM NO 1 JOE) |
Data at PSMSL | |
Annual MSL (RLR) data | RLR 598 |
Annual MSL (RLR) plot | |
PSMSL code | 598 |
Other relevant codes | UHSLC 052 |
Additional information | |
Other relevant information | NOAA can no longer travel to the gauge |
Last updated | 5 December 1993 |