The districts include Unnao, Farukhabad, Kannauj, Varanasi, Gorakhpur, Ballia, Ghazipur, Kushinagar, Mau, Deoria, Maharajganj, Balrampur, Shrawasti, Lakhimpur Kheri,
Pilibhit, Rampur, Moradabad, Bijnor and Bareilly and their adjoining areas, a Met office release said.
Banda recorded the highest maximum temperature of 44.2 degrees Celsius.
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