St. Georges Island (Bermuda) Site History 1968-
History Summary
Station name | Bermuda, St. Georges Is |
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Country | U.K. |
GLOSS No. | 221 |
Contributor | (1968-1995) NOAA/NOS, USA |
Instrument type | (1968-1989) Pneumatic bubbler gauge
(1991-present) Next Generation Water Level Measurement System, acoustic sensor |
Site of Gauge | (1968-1989) Bermuda Biological Station
(1991-present) Bermuda Esso Pier |
Observational periods | 1932 - present |
Reference Level
All data are referred to Tide Gauge Zero and are linked into historic fixed benchmarks.
Tide Gauge Benchmark (TGBM) Description
BM Control | BM is a standard disk set flush in top of wall near the MSA office, 1.8ft above ground, 16.8ft east of southeast corner of MSA office. 34' north of centerline of road leading to Esso terminal. Stamping 5540C 1979 |
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Auxiliary Benchmarks
5540D | 1988 |
5540E | 1988 |
Additional benchmarks can be found on the Bermuda Biological Station property.
Quality Assessment
Comment
The daily and monthly means do not reveal any obvious reference level shifts.
Year | Completeness
Index (%) |
Questionable Fluctuations (in day Nos.) and Missing Data (Gaps >6 hours) |
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1968 | 95 | None |
Gap from 1968/08/15 at 04.00 to 1968/08/24 at 03.00 | ||
1969 | 100 | 141-143 |
1970 | 100 | None |
1971 | 100 | None |
1972 | 90 | 117,123,341-342 |
Gap from 1972/10/01 at 04.00 to 1972/11/01 at 03.00 | ||
Gap from 1972/12/07 at 04.00 to 1972/12/12 at 03.00 | ||
1973 | 98 | None |
Gap from 1973/08/02 at 04.00 to 1973/08/08 at 03.00 | ||
Gap from 1973/08/09 at 20.00 to 1973/08/10 at 17.00 | ||
1974 | 50 | 120 |
1975 | 99 | None |
Gap from 1975/05/16 at 19.00 to 1975/05/17 at 12.00 | ||
1976 | 100 | 59-61,202-203,206-208,234,244 |
1977 | 57 | 21-24,53-61,62-64,91 |
Gap from 1977/02/22 at 17.00 to 1977/02/28 at 18.00 | ||
Gap from 1977/05/15 at 17.00 to 1977/05/16 at 11.00 | ||
1978 | 57 | None |
Gap from 1978/07/09 at 23.00 to 1978/07/13 at 16.00 | ||
Gap from 1978/11/27 at 19.00 to 1978/11/28 at 03.00 | ||
Gap from 1978/12/23 at 04.00 to 1978/12/23 at 13.00 | ||
1979 | 100 | 24-31,55-62 |
1980 | 100 | None |
1981 | 74 | None |
Gap from 1981/04/01 at 15.00 to 1981/05/04 at 13.00 | ||
Gap from 1981/07/08 at 04.00 to 1981/09/14 at 01.00 | ||
1982 | 100 | 232-233 |
1983 | 86 | None |
Gap from 1983/02/01 at 04.00 to 1983/03/23 at 13.00 | ||
1984 | 92 | None |
Gap from 1984/03/01 at 13.00 to 1984/04/01 at 03.00 | ||
1985 | 100 | 182 |
1986 | 100 | None |
1987 | 100 | None |
1988 | 75 | 19-24,46-54,76-82,214-215,224-225
(Timing accuracy is questionable throughout the year) |
Gap from 1988/07/01 at 20.00 to 1988/08/01 at 03.00 | ||
1989 | 57 | None |
Gap from 1989/04/01 at 04.00 to 1989/05/31 at 12.00 | ||
Gap from 1989/07/01 at 04.00 to 1989/07/10 at 14.00 | ||
1991 | 100 | None |
1992 | 100 | None |
1993 | 100 | None |
1994 | 79 | None |
Gap from 1994/03/04 at 08.00 to 1994/03/04 at 15.00 | ||
Gap from 1994/03/11 at 11.00 to 1994/03/12 at 23.00 | ||
Gap from 1994/03/13 at 08.00 to 1994/03/13 at 21.00 | ||
Gap from 1994/03/14 at 14.00 to 1994/03/25 at 15.00 | ||
Gap from 1994/03/25 at 23.00 to 1994/03/27 at 00.00 | ||
Gap from 1994/03/27 at 07.00 to 1994/03/27 at 15.00 | ||
Gap from 1994/03/27 at 23.00 to 1994/03/29 at 21.00 | ||
Gap from 1994/03/30 at 05.00 to 1994/05/01 at 00.00 | ||
Gap from 1994/05/02 at 08.00 to 1994/05/02 at 18.00 | ||
Gap from 1994/05/03 at 02.00 to 1994/05/03 at 21.00 | ||
Gap from 1994/05/05 at 05.00 to 1994/05/07 at 18.00 | ||
Gap from 1994/05/08 at 02.00 to 1994/05/08 at 09.00 | ||
Gap from 1994/05/09 at 04.00 to 1994/05/09 at 18.00 | ||
Gap from 1994/05/10 at 17.00 to 1994/05/11 at 21.00 | ||
Gap from 1994/05/12 at 05.00 to 1994/05/12 at 21.00 | ||
Gap from 1994/05/13 at 05.00 to 1994/05/14 at 15.00 | ||
Gap from 1994/05/14 at 23.00 to 1994/05/15 at 15.00 | ||
Gap from 1994/05/16 at 20.00 to 1994/05/19 at 09.00 | ||
Gap from 1994/05/20 at 08.00 to 1994/05/20 at 15.00 | ||
Gap from 1994/05/21 at 05.00 to 1994/05/21 at 21.00 | ||
Gap from 1994/05/22 at 05.00 to 1994/05/23 at 03.00 | ||
Gap from 1994/05/23 at 11.00 to 1994/05/25 at 00.00 | ||
Gap from 1994/05/25 at 11.00 to 1994/05/29 at 18.00 | ||
Gap from 1994/05/30 at 02.00 to 1994/05/30 at 12.00 | ||
1995 | 100 | None |