Документ взят из кэша поисковой машины. Адрес оригинального документа : http://star.arm.ac.uk/press/2009/Weather_Dec08_pr.html
Дата изменения: Mon Jan 5 16:47:02 2009
Дата индексирования: Tue Oct 2 05:57:00 2012
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Поисковые слова: rigel
Armagh Observatory Weather December 2008
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December Drier

Armagh Observatory reports that December was drier, sunnier and colder than average. The total precipitation for the month was 56.2 mm (2.21 inches), that is, about one-quarter less than the average. The wettest day of the month was the 3rd when 8.8 mm fell.

The number of hours of sunshine was 52.5, that is, about 46% more than the monthly average.

The mean monthly temperature was 3.9 degrees Celsius (39.0 degrees Fahrenheit), which is about 0.8 degrees Celsius below average. The maximum temperature was 11.7 degrees C on the 20th and 21st, while the lowest air temperature was -4.3 C on 29th. There were twenty-two nights with grass frost and sixteen with air frost.

The mean annual temperature at Armagh during 2008 was 9.78 degrees Celsius, making 2008 the coolest year since 2001.

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Last Revised: 2009 January 5th
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