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Humidity is the amount of water vapor in the air. The vapor content of air is measured with devices known as hygrometers. The measurements are usually expressed as specific humidity or percent relative humidity. The temperatures of the atmosphere and the water surface determine the equilibrium vapor pressure; 100% relative humidity occurs when ...
Rain occurs mainly in winter; the summers are generally dry. Average morning relative humidity : 82%, evening relative humidity: 64%. [ 2 ] Sunshine hours are up to 2,778 per year, from 150 in November (~5 hours of sunshine per day) to 341 in July (~11 hours of sunshine per day).
If all the other factors influencing humidity remain constant, at ground level the relative humidity rises as the temperature falls; this is because less vapor is needed to saturate the air. In normal conditions, the dew point temperature will not be greater than the air temperature, since relative humidity typically [5] does not exceed 100%. [6]
Air conditioning equipment will reduce the absolute humidity of the air processed by the system if the surface of the evaporator coil is significantly cooler than the dew point of the surrounding air. An air conditioner designed for an occupied space will typically achieve a 30% to 60% relative humidity in the occupied space. [51]
This period saw sea levels 5 to 10 metres higher than today. The most recent glacial maximum 20,000 years ago was some 5–7 °C colder. This period has sea levels that were over 125 metres (410 ft) lower than today. [41] Temperatures stabilized in the current interglacial period beginning 11,700 years ago. [42]
It is the world's fastest-growing free zone and has been nominated as "Global Free Zone of the Year 2016" by The Financial Times Magazine. Dubai is also known as the City of Gold because a major part of the economy is based on gold trades, with Dubai's total gold trading volumes in H1 2011 reaching 580 tonnes, with an average price of US$1,455 ...
Early fall and late winter are generally dry, with February having the lowest average precipitation at 2.75 inches (70 mm). The dewpoint in the summer averages between 59.1 and 64.5 °F (15 and 18 °C). [105] The highest recorded temperature was 106 °F (41 °C) on August 7, 1918.
Iran, [a] [b] officially the Islamic Republic of Iran (IRI) [c] and also known as Persia, [d] is a country in West Asia.It borders Turkey to the northwest and Iraq to the west, Azerbaijan, Armenia, the Caspian Sea, and Turkmenistan to the north, Afghanistan to the east, Pakistan to the southeast, the Gulf of Oman and the Persian Gulf to the south.