GLOSS Station Handbook
Station information sheet
| General | |
| GLOSS number | 223 |
| Station name | St John's, Newfoundland |
| Country | Canada |
| Time zone | 052.5W, GMT - 3.5hrs |
| Latitude (+ve N) | 47.56666 |
| Longitude (+ve E) | -52.71666 |
| Ocean | Atlantic |
| Observation period(s) | 1925, 1935- |
| Responsible country | Canada |
| Authority responsible for tide gauge | Dept. of Fisheries and Oceans, CHS Maritimes, Bedford Institute of Oceanography, P.O. Box 1006, Dartmouth, NS, B2Y 4A2, Canada |
| GLOSS contact | Canada |
| Committed to GLOSS | Yes |
| Operational | Yes |
| Location map |  |
| Instrumentation | |
| Float | Yes |
| Pressure | No |
| Bubbler | Yes |
| Acoustic | No |
| Radar | No |
| Data | |
| Digital data | Yes |
| Data acquisition rate | Continuous graph and 15 minute intervals, sampled hourly. |
| Fast delivery data at UHSLC |   |
| High frequency data at BODC |  |
| High frequency data at UHSLC | |
| Real-time data available | Yes |
| Benchmarks | |
| Tide gauge benchmarks | 90F9000 A CHS tablet set vertically in the base of a concrete colonnade at the NE corner of the building of the Harvey Oil office. The building has a brick north face. The tablet is set into the top of the base 0.3m above the asphalt drive. |
| Benchmark relationships | 1957 BM75K elevation 7.276m above Chart Datum (also see below) 1958-1959 BM HS elevation 7.276m above Chart Datum 1960-1979 BM77K elevation 3.602m above Chart Datum 1980-1987 BM77K elevation 3.602m above Chart Datum |
| Auxiliary benchmarks | 77K A GSC tablet set horizontally in the Canadian National Railway Station west wall, 1m north of the main entrance and 0.9m below a window. 87F9000 A CHS tablet set horizontally in the NE corner pillar of the auxiliary electrical building of the MOT complex. Tablet 0.58m above concrete base & 0.18m west of the corner of the bldg. Elevation is 3.562m above Chart Datum. |
| Data at PSMSL | |
| Annual MSL (RLR) data | |
| Annual MSL (RLR) plot |  |
| MSL method | Mean of hourly heights |
| PSMSL code | 393 |
| Other relevant codes | UHSLC 276 |
| Additional information | |
| Other relevant information | 1925-1937 Admiralty BM elevation 30.48m (Admiralty assumed datum) ** 1955-1956 BM76K elevation 7.154m above Chart Datum ** review pending Auxiliary Benchmarks continued: 87F9001 A CHS tablet set vertically in a concrete guard post located on the west side of the 3rd loading door on the north side of the main depot bldg.Data available at http://www.waterlevels.gc.ca, http://www.meds-sdmm.dfo-mpo.gc.ca/meds/Databases/TWL/TWL_inventory_e.htm and http://www.meds-sdmm.dfo-mpo.gc.ca/meds/prog_nat/benchmark/public/default_e.as |
| Nearest Met. station | St. John's Weather Service |
| Last updated | 1997-11-10 |
