It was a warm Thursday morning in the national capital with the minimum temperature settling at 23 degrees Celsius, two notches above the season's average.
Relative humidity was 61 per cent at 8.30 am, a MeT department official said.
The mercury is predicted to soar and touch 40 degrees Celsius mark, triggering heat wave, the official said.
Under heat wave conditions, the maximum temperature are markedly above the normal, 5.1 degrees Celsius or more.
On Wednesday, the maximum temperature was recorded at 38.7 degrees Celsius, three notches above the season's average, while the minimum settled at 20 degrees Celsius.
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