King Edward Point, Grytviken, South Georgia 54deg17'S 36deg29'W
| 1905 | Data collection begins |
| 1970 | 12z, 18z, 00z manual observations, 06z observations from autographic records |
| 1970 | Instruments in use
Thermograph, Barograph, Thermometers, Munro Mk.1b anemometer, Kew pattern barometer |
| 1971 February | PAB replaces Kew pattern barometer |
| 1971 March | Three hourly manual obs |
| 1974 | Munro Mk.4a replaces Munro Mk.1B |
| 1978 January | Thermometer screen moved |
| 1980 April | PT100 PRTs replace thermometer and are situated in a different place |
| 1980 April | Vector A100 anemometer replaces Munro Mk.4a |
| 1980 April | KDG pressure sensor replaces PAB |
| 1982 | Base becomes military, no metadata available Thermometer screen moved Barometer height assumed to have changed |