Delhi sweltered under heatwave-like conditions for the fourth consecutive day with the temperature touching 43.6 degrees Celsius in the city and 45.4 degrees Celsius at the outskirts in Palam on Friday. But before that, the maximum temperature could shoot up to 45 degrees Celsius over the weekend, resulting in a heatwave. A heatwave is declared when the maximum temperature shoots up beyond 40°C and it is at least four degrees above normal. The highest temperature Delhi recorded this summer was on May 22, when the readings at Safdarjung and Palam shot up to 44° and 46° Celsius, respectively. The maximum temperature had shot up to 45.7 degrees Celsius on May 24, 2013, the highest for a May day over the past decade.

Source: Hindustan Times May 25, 2018 14:59 UTC