Below is a list of recorded instances of maximum temperatures of 49 degrees Celsius or more in Australia, based on [1] and [2] from Australia’s Bureau of Meteorology. Out of the 48 52 occasions, 22 26 have occurred in this decade including 8 (so far) during this summer alone! I believe all the stations have been recording temperatures for at least 20 years except Port Augusta and Keith West (which both started in 2001). Edited: 20 Dec 2019
| Temperature (°C) | Date | Station Name | State |
| 50.7 | 2-Jan-60 | Oodnadatta Airport | SA |
| 50.5 | 19-Feb-98 | Mardie | WA |
| 50.3 | 3-Jan-60 | Oodnadatta Airport | SA |
| 49.9 | 19-Dec-19 | Nullarbor | SA |
| 49.8 | 19-Dec-19 | Eucla | WA |
| 49.8 | 21-Feb-98 | Emu Creek Station | WA |
| 49.8 | 13-Jan-79 | Forrest Aero | WA |
| 49.8 | 3-Jan-79 | Mundrabilla Station | WA |
| 49.7 | 10-Jan-39 | Menindee Post Office | NSW |
| 49.6 | 12-Jan-13 | Moomba Airport | SA |
| 49.5 | 19-Dec-19 | Forrest | WA |
| 49.5 | 24-Jan-19 | Port Augusta Aero | SA |
| 49.5 | 24-Dec-72 | Birdsville Police Station | QLD |
| 49.4 | 21-Dec-11 | Roebourne | WA |
| 49.4 | 16-Feb-98 | Emu Creek Station | WA |
| 49.4 | 7-Jan-71 | Madura Station | WA |
| 49.4 | 2-Jan-60 | Marree Comparison | SA |
| 49.4 | 2-Jan-60 | Whyalla (Norrie) | SA |
| 49.3 | 27-Dec-18 | Marble Bar | WA |
| 49.3 | 2-Jan-14 | Moomba Airport | SA |
| 49.3 | 9-Jan-39 | Kyancutta | SA |
| 49.2 | 20-Dec-19 | Keith West | SA |
| 49.2 | 24-Jan-19 | Kyancutta | SA |
| 49.2 | 21-Feb-15 | Roebourne Aero | WA |
| 49.2 | 10-Jan-14 | Emu Creek Station | WA |
| 49.2 | 22-Dec-11 | Onslow Airport | WA |
| 49.2 | 1-Jan-10 | Onslow | WA |
| 49.2 | 11-Jan-08 | Onslow | WA |
| 49.2 | 9-Feb-77 | Mardie | WA |
| 49.2 | 1-Jan-60 | Oodnadatta Airport | SA |
| 49.2 | 3-Jan-22 | Marble Bar Comparison | WA |
| 49.2 | 11-Jan-05 | Marble Bar Comparison | WA |
| 49.1 | 24-Jan-19 | Tarcoola Aero | SA |
| 49.1 | 23-Jan-19 | Red Rocks Point | WA |
| 49.1 | 13-Jan-19 | Marble Bar | WA |
| 49.1 | 27-Dec-18 | Onslow Airport | WA |
| 49.1 | 3-Jan-14 | Walgett Airport AWS | NSW |
| 49.1 | 2-Jan-10 | Emu Creek Station | WA |
| 49.1 | 18-Feb-98 | Roebourne | WA |
| 49.1 | 23-Dec-72 | Moomba | SA |
| 49 | 15-Jan-19 | Tarcoola Aero | SA |
| 49 | 23-Jan-15 | Marble Bar | WA |
| 49 | 13-Jan-13 | Birdsville Airport | QLD |
| 49 | 9-Jan-13 | Leonora | WA |
| 49 | 21-Dec-11 | Roebourne Aero | WA |
| 49 | 1-Jan-10 | Mardie | WA |
| 49 | 10-Jan-09 | Emu Creek Station | WA |
| 49 | 11-Jan-08 | Port Hedland Airport | WA |
| 49 | 11-Jan-08 | Roebourne | WA |
| 49 | 12-Jan-88 | Marla Police Station | SA |
| 49 | 6-Dec-81 | Birdsville Police Station | QLD |
| 49 | 22-Dec-72 | Marree | SA |
References
[1] http://www.bom.gov.au/cgi-bin/climate/extremes/monthly_extremes.cgi
[2] http://www.bom.gov.au/climate/current/statements/scs43e.pdf
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