The mean temperature in January is three degrees below zero.

一月份平均温度是零下三度。

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People are fleeing the cold: there is a strong correlation between the average temperature in January and population growth, notes Edward Glaeser, a professor of economics at Harvard University.

哈佛大学经济学教授爱德华格雷泽指出，人们趋暖避寒：1月均温与人口增长有着密切的相互关系。

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In late January 2010, NASA's Goddard Institute for Space Studies announced that the 2009 average global temperature was among the hottest observed since 1880.

2010年1月下旬，美国航天局戈达德太空研究所宣布，2009年全球平均气温是自1880年以来最高的。

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You know, where the average low temperature in January is minus 10 degrees.

CNN: STORY HIGHLIGHTS

People are fleeing the cold: there is a strong correlation between the average temperature in January and population growth, notes Edward Glaeser, a professor of economics at Harvard University.

ECONOMIST: The census

In January, the temperature in Altnaharra, near Lairg in Sutherland, dropped to -22.3C, making it the coldest place in Britain this winter.

BBC: Cold and election 'hampered Highland Council CO2 aims'