| 291_Ascension_United Kingdom of Great Britain and Northern Ireland (the) |
|---|
| Datum | Value | Description |
|---|
| Status | 14-Nov-2022 | Processing Date |
| Epoch | 01-Jan-2002 to 20-May-2017 | Tidal Datum Analysis Period |
| MHHW | 1.17 | Mean Higher-High Water (ft) |
| MHW | 0.94 | Mean High Water (ft) |
| MTL | -0.12 | Mean Tide Level (ft) |
| MSL | -0.11 | Mean Sea Level (ft) |
| DTL | -0.07 | Mean Diurnal Tide Level (ft) |
| MLW | -1.17 | Mean Low Water (ft) |
| MLLW | -1.32 | Mean Lower-Low Water (ft) |
| STND | 0.00 | Station Datum (ft) |
| GT | 2.49 | Great Diurnal Range (ft) |
| MN | 2.11 | Mean Range of Tide (ft) |
| DHQ | 0.24 | Mean Diurnal High Water Inequality (ft) |
| DLQ | 0.15 | Mean Diurnal Low Water Inequality (ft) |
| HWI | Unavailable | Greenwich High Water Interval (in hours) |
| LWI | Unavailable | Greenwich Low Water Interval (in hours) |
| Maximum | 2.84 | Highest Observed Water Level (ft) |
| Max Date & Time | 14-Mar-2013 19 | Highest Observed Water Level Date and Hour (LST) |
| Minimum | -2.72 | Lowest Observed Water Level (ft) |
| Min Date & Time | 25-Feb-2013 10 | Lowest Observed Water Level Date and Hour (LST) |
| HAT | 2.27 | Highest Astronomical Tide (ft) |
| HAT Date & Time | 28-Mar-2002 18 | HAT Date and Hour (LST) |
| LAT | -2.19 | Lowest Astronomical Tide (ft) |
| LAT Date & Time | 17-Oct-2016 13 | LAT Date and Hour (LST) |
| LEV | Unavailable | Switch 1 (ft) |
| LEVB | Unavailable | Switch 2 (ft) |