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Only on Wednesdays

Only on Wednesdays IT'S no use trying to corner global warming on any day of the week but Wednesdays, says Adrian Gordon of the Flinders Institute for Atmospheric and Marine Sciences in Adelaide, Australia. His admonition came after he studied satellite readings of daily global temperatures for 726 weeks, from January 1979 to November 1992 (Nature, Vol 367, No 6461).

Gordon found that Wednesdays are the hottest days of the week and Sundays the coldest. His chart shows a steady temperature rise from Sunday to Wednesday, followed by a decline till it again touches its nadir on Sunday. According to him, this happens presumably because of the heightened heat generation that goes on from Monday to Friday in various industries.

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