Thursday, October 15, 2009

Temperature range on Earth

A temperature range is the difference in temperatures. It can be daily, between day and night; monthly, between the hottest and coldest day; and a yearly temperature range between the coldest and hottest months. The difference in temperature in various places depends on the latitude and distance from sea. The Sahara Desert, for example, has a daily temperature range; it is so hot by day, yet very cold at night. The coldest place on earth is the Antarctic, where temperatures can often go as low as 78 degree below zero, Celsius. Then is the Siberia with 50 degree Celsius below zero. The coldest cities in Europe, based on average temperatures during the coldest months, are Archangel in Russia with 13 degree Celsius below zero, followed by Montreal, Canada, with 10 degree, Beijing with 4 degree and Tashkent with 1 degree Celsius. The highest shade temperature on record is 58 degree Celsius at Aziziah in the Sahara desert in Libya. The 56 degree Celsius recorded in Death Valley in the USA in July 1913. The eastern Sahara has more sunshine than anywhere else does: sunshine has recorded for 4300 hours in a year, which is an average of 11 hours 47 minutes per day.

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