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The heat index ( HI) is an index that combines air temperature and relative humidity, in shaded areas, to posit a human-perceived equivalent temperature, as how hot it would feel if the humidity were some other value in the shade. For example, when the temperature is 32 °C (90 °F) with 70% relative humidity, the heat index is 41 °C (106 °F ...
This is a list of cities by average temperature (monthly and yearly). The temperatures listed are averages of the daily highs and lows. Thus, the actual daytime temperature in a given month may be considerably higher than the temperature listed here, depending on how large the difference between daily highs and lows is.
Some temperature information is available through geologic evidence, going back millions of years. More recently, information from ice cores covers the period from 800,000 years ago until now. Tree rings and measurements from ice cores can give evidence about the global temperature from 1,000-2,000 years before the present until now. [6]
May 29, 2024 at 11:15 AM. By Sakshi Dayal and Priyanshu Singh. NEW DELHI (Reuters) -Delhi recorded an all-time high temperature of 52.9 degrees Celsius (127.22 Fahrenheit) on Wednesday as extreme ...
Ian Cassette. July 7, 2024 at 11:40 AM. MONDAY:A fetch of tropical moisture will help fuel better storm chances Monday and in the day ahead this week. It will still be plenty hot with highs well ...
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A definition of urban heat island is: "The relative warmth of a city compared with surrounding rural areas." [14]: 2926 This relative warmth is caused by "heat trapping due to land use, the configuration and design of the built environment, including street layout and building size, the heat-absorbing properties of urban building materials, reduced ventilation, reduced greenery and water ...
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