
Here is the temperatures for each hour:
Wednesday 26th February, 1997 12:00am 32 C 1:00am 31 C 2:00am 30 C 3:00am 30 C 4:00am 29 C 5:00am 29.0 C (Minumum) 6:00am 29 C 7:00am 30 C 8:00am 32 C 9:00am 34 C 10:00am 36 C 11:00am 39 C 12:00pm 42 C 1:00pm 44 C 1:20pm 44.5 C (Maximum) 2:00pm 42 C 3:00pm 41 C 4:00pm 40 C 5:00pm 39 C 6:00pm 38 C 7:00pm 36 C 8:00pm 33 C 9:00pm 32 C 10:00pm 30 C

The chart at 8:00pm WST shows a high in the bight and a trough off the west coast which brought very hot NE winds to Perth.
Perth's Top 5 Hottest Days 23rd Feb, 1991: 46.2 C 31st Jan, 1991: 45.8 C 12th Jan, 1978: 44.7 C 8th Feb, 1933: 44.6 C 26th Feb, 1997: 44.5 C Perth's Top 5 Hottest Nights 6th Feb, 1898: 29.3 C 8th Feb, 1933: 29.3 C 3rd Feb, 1962: 29.3 C 26th Feb, 1997: 29.0 C 20th Feb, 1948: 28.9 C