| 571_Ketchikan |
|---|
| Datum | Value | Description |
|---|
| Epoch | 01-Jan-1983 to 31-Dec-2001 | Tidal Datum Analysis Period |
| MHHW | 657.8 | Mean Higher-High Water (cm) |
| MHW | 629.9 | Mean High Water (cm) |
| MTL | 434.3 | Mean Tide Level (cm) |
| MSL | 434.5 | Mean Sea Level (cm) |
| DTL | 424.4 | Mean Diurnal Tide Level (cm) |
| MLW | 238.6 | Mean Low Water (cm) |
| MLLW | 191 | Mean Lower-Low Water (cm) |
| STND | 0 | Station Datum (cm) |
| GT | 466.8 | Great Diurnal Range (cm) |
| MN | 391.3 | Mean Range of Tide (cm) |
| DHQ | 55.5 | Mean Diurnal High Water Inequality (cm) |
| DLQ | 95.4 | Mean Diurnal Low Water Inequality (cm) |
| HWI | NaN | Greenwich High Water Interval (in hours) |
| LWI | NaN | Greenwich Low Water Interval (in hours) |
| Maximum | 829.1 | Highest Observed Water Level (cm) |
| Max Date & Time | 02-Dec-1967 13:00:00 | Highest Observed Water Level Date and Time (LST) |
| Minimum | 31.5 | Lowest Observed Water Level (cm) |
| Min Date & Time | 13-Dec-2008 19:00:00 | Lowest Observed Water Level Date and Time (LST) |
| HAT | 784.4 | Highest Astronomical Tide (cm) |
| HAT Date & Time | 05-Nov-1998 13:00:00 | HAT Date and Time (LST) |
| LAT | 49.8 | Lowest Astronomical Tide (cm) |
| LAT Date & Time | 09-Aug-1983 07:00:00 | LAT Date and Time (LST) |
| LEV | NaN | Switch 1 (cm) |
| LEVB | NaN | Switch 2 (cm) |