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Sunshine duration is usually expressed in hours per year, or in (average) hours per day. The first measure indicates the general sunniness of a location compared with other places, while the latter allows for comparison of sunshine in various seasons in the same location. [ 1 ]
Sunshine duration. Sunshine duration or sunshine hours is a climatological indicator, measuring duration of sunshine in given period (usually, a day or a year) for a given location on Earth, typically expressed as an averaged value over several years. It is a general indicator of cloudiness of a location, and thus differs from insolation, which ...
Hong Kong Observatory. Archived from the original on 2013-12-19. Retrieved 2016-03-10. ^ "Monthly and annual means, maximum and minimum values of meteorological elements for the period 1981–2010-Belgrade" (in Serbian). Republic Hydrometeorological Service of Serbia. Retrieved 8 September 2012. ^ "Monthly sunshine hours Niš".
The unit is designed to record the hours of bright sunshine which will burn a hole through the card. A Campbell–Stokes sunshine recorder. This basic unit is still in use today with very little change. It is widely used outside the United States (the Marvin sunshine recorder is generally the instrument used by the U.S. National Weather Service).
Metric conversion. Phoenix has a hot desert climate (Köppen: BWh), [1][2] typical of the Sonoran Desert, and is the largest city in America in this climatic zone. [3] Phoenix has long, extremely hot summers and short, mild winters. The city is within one of the world's sunniest regions, with its sunshine duration comparable to the Sahara region.
Sunshine duration is 2,524 hours per year, from 138 - average 4.5 hours of sunshine per day in December to 310 - average 10 hours of sunshine per day in July. [5] Barcelona has an average seasonal UV index close to that of Madrid , different only in March but with the same annual average of 5, with the values varying from 9 in June and July to ...
A sunshine recorder is a device that records the amount of sunshine at a given location or region at any time. The results provide information about the weather and climate as well as the temperature of a geographical area. This information is useful in meteorology, science, agriculture, tourism, and other fields.
Rosslare is commonly known in Ireland as being in the "Sunny South-East", and in 1959 Rosslare recorded 1,996.4 hours of sunshine, the highest recorded in Ireland. [15] However, it is not the warmest or driest place in Ireland. Met Éireann operated a weather station at Rosslare until its closure in 2007.