Ludhiana's minimum settled four notches below normal and dropped by three degrees since yesterday, the MeT Department report here said.
Piercing cold waves also swept the holy city of Amritsar, which recorded a low of 4.1 deg C, down one notch while Patiala registered a minimum of 6.5 deg C.
Cold weather also prevailed in Chandigarh, where minimum temperature dropped to 5.2 deg C, down two notches.
Cold conditions also tightened grip over Haryana, where Hisar was the coldest place at a low of 3.1 deg C, five notches below normal.
Bhiwani's low settled at 8.2 deg C.
The maximum temperatures at many places in the two states and Chandigarh also fell by couple of notches since yesterday.