Delhi recorded the hottest day of the season on Monday with the mercury rising to 44.2 degrees Celsius, four notches above normal, according to the Palam observatory.
The Safdarjung observatory, however, recorded a maximum temperature of 41.8 degrees Celsius, two notches above normal. The reading of the observatory is considered official for the city
"The minimum temperatures recorded by Palam and Safdarjung observatories are 27 degrees and 25.5 degrees Celsius, respectively," a MeT official said, adding that humidity levels oscillated between 47 and 21 per cent.
According to the weatherman, Tuesday will see mainly clear sky and strong winds during the day.
"Strong surface winds during day time is expected. The maximum and minimum temperatures will be around 43 degrees and 26 degrees Celsius, respectively," the official said. On Sunday, the national capital recorded minimum and maximum temperatures at 26.4 degrees and 42.6 degrees Celsius respectively.
Punjab and Haryana on Monday witnessed strong and intense heat wave with Hisar recording a maximum temperature of 43.4 degrees Celsius in the region.
The maximum temperatures in most parts of Punjab and Haryana settled between one to four notches above normal, an official of the MeT department in Chandigarh said.
Narnaul settled at a high of 43.2 degrees Celsius, two notches above normal while Karnal, Bhiwani and Patiala braved a high of identical 42 degrees Celsius, three notches above normal.
Among other places in the region, Chandigarh had a high of 41.7 degrees Celsius, four notches above normal followed by 41.6 degrees Celsius at Ambala, three notches above normal, 41.5 degrees Celsius at Amritsar, two notches above normal and 40.8 degrees Celsius at Ludhiana, one notch above normal.
The MeT department has predicted heat wave conditions at isolated places in the region during the next 48 hours.
(With inputs from PTI)