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What is the lowest and highest temperature in Antarctica?
Question
#43076. Asked by joezhou300. (Jan 06 04 1:58 PM)
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TheAlphaWolf
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It is on the high polar plateau that the coldest temperatures are experienced. The lowest ever temperature on Earth, -91C, was recorded in 1997 at Vostok station, an abandoned Soviet base near the centre of the Plateau.
At the South Pole the temperature varies from -20C at the height of summer to -70 in mid-winter. During the summer the temperature rises and falls with the angle of the sun producing a peaked temperature profile. Once the sun has set the temperature drops rapidly and stays roughly constant throughout winter. Under thick cloud cover the heat of the ice (yes the ice at -50C is actually warm compared to the atmosphere) is trapped and the temperature can rise quite substantially.
http://ast.leeds.ac.uk/haverah/spaseman/faq.shtml
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