Bankura continued to top the maximum temperature chart at 43.7 degrees Celsius, while Panagarh in Paschim Bardhaman district followed closely at 43.5 degrees Celsius, the weather office said.
Rao's death triggered a political slugfest in neighbouring Andhra Pradesh with the Telugu Desam Party holding the Y S Jagan Mohan Reddy government there responsible for the veteran leader's suspected suicide.
Under attack from the Bharatiya Janata Party's prime ministerial nominee Narendra Modi, Samajwadi Party supremo Mulayam Singh Yadav on Monday hit back at him asking whether education and irrigation had been made free in Gujarat like Uttar Pradesh, and charged his party with instigating riots to impede growth.