Eight persons -- six in Punjab and two in Haryana -- lost their lives during past three days due to the simmering heat wave sweeping the region.
Temperature in capital Delhi settled at 43.5 degrees Celsius, three degrees above normal, against yesterday's 45 degrees Celsius.
While the minimum temperature stood at 30.5 degrees, the maximum and minimum humidity levels were registered 46 and 21 per cent respectively.
The extreme climate has brought down water levels in most rivers of Punjab including Beas, Ravi and Sutlej. Water level in Bhakhra and Pong Dams has declined by as much as 10 feet.
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Rajasthan also continued to reel under intense heat wave and Churu was the hottest place in the state with a maximum of 45.3 degrees Celsius.
Sriganganagar registered a high of 44.4 degrees Celsius, followed by Jaipur 43.4, Bikaner 42.8 and Barmer 41.4 degrees Celsius, the Met department said.
Etawah was the hottest place in the state with a maximum of 46.9 degrees Celsius.