GLOSS Station Handbook
Station information sheet
| General | |
| GLOSS number | 217 |
| Station name | Galveston (Pier 21), TX |
| Country | U.S.A. |
| Time zone | 090W, GMT - 6hrs |
| Latitude (+ve N) | 29.31666 |
| Longitude (+ve E) | -94.8 |
| Ocean | Atlantic |
| Observation period(s) | 1908-, being upgraded 2007 |
| 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 | Yes |
| Bubbler | Yes |
| Acoustic | Yes |
| Radar | No |
| Data | |
| Digital data | Yes |
| Additional parameters | Surface temperature and density |
| Data acquisition rate | 6 minute intervals |
| Fast delivery data at UHSLC |   |
| High frequency data at UHSLC |  |
| Data held at national organisation | Yes |
| Real-time data available | Yes |
| Real-time data transmitted to GLOSS Fast Centre |  |
| Additional parameters (real-time) | Surface temperature and density |
| Benchmarks | |
| Tide gauge benchmarks | US Army Corps of Engineers survey disk stamped '7.151' set in the sidewalk near the northeast corner of the Hendley Building on 20th Street, Galveston, TX. |
| Benchmark relationships | TGBM is 10.183 feet above tide staff zero TGBM = 5.63 feet above mean lower low water (1960-1978 epoch) TGBM = 4.81 feet above mean sea level (1960-1978 epoch) TGBM = 4.31 feet above mean high water (1960-1978 epoch) |
| Auxiliary benchmarks | USC & GS 32 1913 No stamping 1 = 13.362ft USC & GS J305 1935 USED 19 bolt USC & GS 40 1935 reset 1450A 1989 = 11.058ft USC & GS 41 1935 reset Aquatrak Levelling Point = 20.147ft USC & GS 42 1943 = 9.981ft NOS NO 2 1974 = 9.979ft Heights are in feet above staff zero |
| Data at PSMSL | |
| Annual MSL (RLR) data | |
| Annual MSL (RLR) plot | |
| PSMSL code | 161 |
| Other relevant codes | UHSLC 775 |
| Additional information | |
| Other relevant information | Nearby station located at Galveston Pleasure Pier (outside on the Gulf of Mexico) has shorter and less continuous record length than Galveston Pier 21 (inside) station described above (PSMSL Code 940/007; PSMSL hold data 1957-1973, 1978-1990). |
| Last updated | 1993-12-05 |
