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Highest heat index: In the observation above at Dhahran, Saudi Arabia, the heat index ("feels like" temperature) was 81.1 °C (178.0 °F). [201] Highest temperature with 100% relative humidity: A temperature of 34 °C (93 °F) with 100% relative humidity in Jask, Iran, on 21 July 2012. [202]
The highest-altitude plant species is a moss that grows at 6,480 m (21,260 ft) on Mount Everest. [83] The sandwort Arenaria bryophylla is the highest flowering plant in the world, occurring as high as 6,180 m (20,280 ft).
Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. [2] Humidity indicates the likelihood for precipitation, dew, or fog to be present. Humidity depends on the temperature and pressure of the system of interest.
The Köppen climate classification is the most widely used climate classification system. [2] It defines a tropical climate as a region where the mean temperature of the coldest month is greater than or equal to 18 °C (64 °F) and does not fit into the criteria for B-group climates, classifying them as an A-group (tropical climate group). [3]
Amazon River rain forest in Peru. Tropical rainforests are hot and wet. Mean monthly temperatures exceed 18 °C (64 °F) during all months of the year. [4] Average annual rainfall is no less than 1,680 mm (66 in) and can exceed 10 m (390 in) although it typically lies between 1,750 mm (69 in) and 3,000 mm (120 in). [5]
Hundreds of cattle died in Iowa from extreme heat and humidity in late July, the state and livestock producers said, as the world recorded its hottest month ever. The losses further trim the U.S ...
Air measurements are noted by the World Meteorological Organization (WMO) and Guinness World Records among others as the standard to be used for determining the official record. The current official highest registered air temperature on Earth is 56.7 °C (134.1 °F), recorded on 10 July 1913 at Furnace Creek Ranch, in Death Valley in the United ...
The prettiest flowers in the world include rare camellias, expensive roses, common daffodils, elusive orchids, fragrant lilacs, and an exquisite sacred lotus. ... 40 of the Prettiest Flowers in ...