The early 2009 southeastern Australia heat wave was a heat wave that commenced in late January and led to record- breaking prolonged high temperatures in the region. The heat wave is considered one of, if not the most, extreme in the region's history. During the heat wave, 50 separate locations set various records for consecutive, highest daytime and overnight temperatures. The highest temperature recorded during the heat wave was 48.8 °C (119.8 °F) in Hopetoun, Victoria, a record for the state. Many locations through the region recorded all-time high temperatures including capital cities Adelaide, which reached its third- highest temperature, 45.7 °C (114.3 °F), and Melbourne, which recorded its highest ever temperature on record, 46.4 °C (115.5 °F). Both cities broke records for the most consecutive days over 40 °C (104 °F), while Mildura, Victoria recorded an all time record 12 consecutive days over 40 °C (104 °F).